:root {
  --dark-bg: #09090b;
  --surface: #18181b;
  --surface-elevated: #27272a;
  --accent: #a855f7;
  --accent-secondary: #3b82f6;
  --accent-warm: #a855f7;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-inverse: #ffffff;
  --divider: #27272a;
  --input-bg: #27272a;
  --primary-glow: rgba(168, 85, 247, 0.15);
  --primary-muted: rgba(168, 85, 247, 0.12);
  --primary-subtle: rgba(168, 85, 247, 0.08);
  --warm-muted: rgba(168, 85, 247, 0.15);
  --progress-green: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.12);
  --type-video: #22c55e;
  --type-gp: #a855f7;
  --type-cifra: #3b82f6;
  --type-text: #60a5fa;
  --type-exercise: #2dd4bf;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  height: 100%;
}

body {
  background: var(--dark-bg);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
}

body[data-screen="app"] {
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

@media (max-width: 800px) {
  html {
    height: 100%;
    height: -webkit-fill-available;
    height: 100dvh;
    overflow: hidden;
  }

  body[data-screen="app"] {
    overflow: hidden;
    height: 100%;
    height: -webkit-fill-available;
    height: 100dvh;
    min-height: 0;
    overscroll-behavior: none;
  }

  body[data-screen="app"] #dashboard-screen {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: -webkit-fill-available;
    height: 100dvh;
    max-height: 100dvh;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden;
    min-height: 0;
  }

  #dashboard-screen {
    height: 100%;
    max-height: 100dvh;
    overflow: hidden;
    min-height: 0;
  }

  #dashboard-screen .content-area {
    flex: 1 1 0;
    min-height: 0;
    width: 100%;
    height: auto;
    overflow-x: hidden;
    overflow-y: scroll;
    overscroll-behavior-y: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y pinch-zoom;
  }

  /* Trilhos horizontais não devem bloquear scroll vertical no touch */
  .music-rail,
  .path-carousel,
  .activity-carousel:not(.course-view-list):not(.course-view-icons),
  .filter-chips,
  .level-track {
    touch-action: auto;
    scroll-snap-type: x proximity;
  }
}

.hidden { display: none !important; }

#file-protocol-warning {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #b45309;
  color: #fff;
  padding: 12px 16px;
  font-size: 14px;
  text-align: center;
  line-height: 1.4;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* LOGIN */
#login-screen {
  display: none;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 24px;
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--dark-bg);
  overflow-y: auto;
}

#login-screen.active {
  display: flex;
}

#login-screen::before,
#login-screen::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

#login-screen::before {
  width: 500px; height: 500px; top: -200px; right: -200px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
}

#login-screen::after {
  width: 400px; height: 400px; bottom: -150px; left: -150px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 24px;
  width: 100%;
  max-width: 450px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  z-index: 1;
  animation: fadeIn 0.4s ease-out;
}

.app-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-logo-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.app-logo--login {
  width: min(100%, 320px);
  margin: 0 auto 20px;
}

.app-logo--login .app-logo-img {
  max-height: 88px;
}

.app-logo--sidebar {
  width: 100%;
  max-width: 220px;
  margin-bottom: 8px;
}

.app-logo--sidebar .app-logo-img {
  max-height: 56px;
}

.brand-icon {
  width: 80px; height: 80px;
  background: var(--primary-muted);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  font-size: 38px;
}

.login-card h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  text-align: center;
  margin-bottom: 8px;
}

.login-card > p {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 28px;
  font-size: 14px;
}

.form-group { margin-bottom: 18px; }
.form-group-header { display: flex; justify-content: space-between; margin-bottom: 8px; }
.form-group label { font-size: 14px; font-weight: 600; }
.forgot-pass { color: var(--accent); font-size: 12px; text-decoration: none; }

.input-field {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 16px;
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
}

.input-field:focus { border-color: var(--accent); }

.password-field {
  position: relative;
}

.password-field .input-field {
  padding-right: 76px;
}

.password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 8px;
  line-height: 1;
}

.password-toggle:hover {
  color: var(--text-primary);
}

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--text-inverse);
  border: none;
  border-radius: 12px;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-submit:hover { filter: brightness(1.08); }
.btn-submit.disabled, .btn-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-install-app {
  width: 100%;
  margin-top: 10px;
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(139, 92, 246, 0.45);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.btn-install-app:hover {
  background: var(--primary-subtle);
  border-color: var(--accent);
}

.sidebar-footer .btn-install-app {
  margin-bottom: 10px;
}

.signup-hint { text-align: center; margin-top: 20px; color: var(--text-secondary); font-size: 14px; }
.signup-hint a { color: var(--accent); font-weight: 700; text-decoration: none; }

.login-error {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.45);
  color: #fca5a5;
  font-size: 13px;
  line-height: 1.45;
  text-align: center;
}

/* DASHBOARD */
#dashboard-screen {
  display: none;
  width: 100%;
  height: 100%;
  max-height: 100vh;
  max-height: 100dvh;
  overflow: hidden;
  flex-direction: row;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(229, 169, 59, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(214, 125, 62, 0.05), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.sidebar {
  width: 260px;
  background: var(--surface);
  border-right: 1px solid var(--divider);
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: 100vh;
  max-height: 100dvh;
  padding: 32px 0 0;
  flex-shrink: 0;
  overflow: hidden;
  z-index: 20;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  flex-shrink: 0;
  padding: 0 16px;
}

.sidebar-brand-icon { font-size: 28px; margin-right: 10px; }
.sidebar-brand-text h2 { font-family: 'Outfit', sans-serif; font-size: 18px; letter-spacing: 1px; }

.nav-list {
  list-style: none;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 16px 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.nav-list::-webkit-scrollbar {
  width: 6px;
}

.nav-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
}
.nav-item {
  display: flex; align-items: center;
  padding: 14px 18px;
  border-radius: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  cursor: pointer;
  font-weight: 500;
}
.nav-item i { margin-right: 14px; font-style: normal; }
.nav-item.active { background: var(--primary-subtle); color: var(--accent); font-weight: 700; }

.nav-item-tool {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--divider);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--divider);
  flex-shrink: 0;
  background: var(--surface);
}
.btn-logout {
  display: flex; align-items: center; width: 100%;
  padding: 14px 18px; border-radius: 10px;
  color: #ff5252; background: none; border: none;
  font-weight: 600; cursor: pointer;
}
.btn-logout i { margin-right: 14px; font-style: normal; }

.content-area {
  flex: 1;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 16px 24px 148px;
  -webkit-overflow-scrolling: touch;
}

.view-content { display: none; max-width: 1000px; margin: 0 auto; animation: fadeIn 0.25s ease-out; }
.view-content.active { display: block; }

.home-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  gap: 16px;
}

.home-header h1 { font-family: 'Outfit', sans-serif; font-size: 32px; margin-bottom: 6px; }
.home-header p { color: var(--text-secondary); }

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-title-row h3 { font-family: 'Outfit', sans-serif; font-size: 20px; }
.section-link { color: var(--accent); text-decoration: none; font-weight: 600; font-size: 14px; }

/* HOME */
.home-hero {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 28px 24px 22px;
  margin-bottom: 32px;
  background:
    radial-gradient(circle at top right, rgba(139, 92, 246, 0.22), transparent 55%),
    radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.12), transparent 50%),
    linear-gradient(145deg, #1e1b4b 0%, var(--surface) 55%, #0f172a 100%);
  border: 1px solid rgba(139, 92, 246, 0.18);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.home-hero-content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.home-hero-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.home-hero-text h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(28px, 4vw, 36px);
  line-height: 1.1;
  margin-bottom: 8px;
}

.home-hero-text p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
  max-width: 420px;
}

.home-hero-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.home-stat-card {
  min-width: 78px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(139, 92, 246, 0.14);
  text-align: center;
}

.home-stat-card span {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.home-stat-card strong {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  color: var(--accent);
}

.home-hero-cta {
  display: block;
  width: 100%;
  text-align: left;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--text-inverse);
  border: none;
  border-radius: 16px;
  padding: 16px 18px;
  cursor: pointer;
  margin-bottom: 14px;
  box-shadow: 0 10px 24px rgba(139, 92, 246, 0.22);
  transition: transform 0.15s, filter 0.15s;
}

.home-hero-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.home-hero-cta-label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 4px;
}

.home-hero-cta strong {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  line-height: 1.25;
}

.home-hero-cta small {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  opacity: 0.85;
}

.home-hero-done {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
  color: var(--progress-green);
  font-size: 14px;
  margin-bottom: 14px;
}

.home-quick-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.home-quick-actions button {
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid var(--divider);
  color: var(--text-primary);
  border-radius: 12px;
  padding: 12px 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.home-quick-actions button:hover {
  border-color: rgba(139, 92, 246, 0.35);
  background: var(--primary-subtle);
  color: var(--accent);
}

.home-section {
  margin-bottom: 34px;
}

.home-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.home-section-head h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  margin-bottom: 4px;
}

.home-section-head p {
  font-size: 13px;
  color: var(--text-secondary);
}

.changelog-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.changelog-entry {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 14px 16px;
}

.changelog-entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.changelog-entry-head strong {
  font-size: 15px;
}

.changelog-entry-meta {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.changelog-entry-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.changelog-entry-list li + li {
  margin-top: 4px;
}

.changelog-new-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.changelog-new-badge.hidden {
  display: none;
}

.changelog-mark-seen {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
}

.install-welcome-modal-card {
  max-width: 420px;
  width: calc(100% - 32px);
}

.install-welcome-sub {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0 0 14px;
}

.install-welcome-lead {
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 14px;
}

.install-welcome-steps {
  margin: 0 0 8px;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.55;
}

.install-welcome-steps li + li {
  margin-top: 8px;
}

.install-welcome-actions {
  flex-wrap: wrap;
  gap: 8px;
}

.install-welcome-actions .btn-accent {
  flex: 1;
  min-width: 120px;
}

.changelog-modal-card {
  max-width: 420px;
  width: calc(100% - 32px);
  max-height: min(85vh, 640px);
  display: flex;
  flex-direction: column;
}

.changelog-modal-sub {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0 0 14px;
}

.changelog-modal-card .changelog-list {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  margin-bottom: 16px;
}

.changelog-modal-card .modal-actions {
  margin-top: auto;
  flex-shrink: 0;
}

.changelog-modal-card .modal-actions .btn-accent {
  width: 100%;
}

.home-section-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.home-path-strip,
.home-activity-strip {
  padding-top: 4px;
}

.home-path-strip.path-carousel {
  align-items: flex-start;
  gap: 10px;
  padding: 6px 4px 12px;
}

.home-path-strip .path-module-card {
  min-width: 148px;
  max-width: 148px;
  min-height: 0;
}

.home-path-strip .path-card-media {
  min-height: 72px;
  flex: 0 0 auto;
  font-size: 32px;
}

.home-path-strip .path-card-body {
  padding: 10px 10px 12px;
}

.home-path-strip .path-card-body h4 {
  font-size: 13px;
  margin-bottom: 6px;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.home-path-strip .path-track-label {
  font-size: 9px;
  margin-bottom: 4px;
}

.home-path-strip .path-card-meta {
  margin-bottom: 6px;
}

.home-path-strip .path-count {
  font-size: 11px;
  padding: 2px 7px;
}

.home-path-strip .path-stars {
  font-size: 11px;
}

.home-path-strip .path-card-bar {
  height: 4px;
}

.home-path-strip .path-milestone {
  min-width: 32px;
  align-self: center;
  margin-top: 28px;
}

.home-path-strip .path-medal-icon {
  font-size: 20px;
}

@media (max-width: 720px) {
  .home-path-strip .path-module-card {
    min-width: 132px;
    max-width: 132px;
  }

  .home-path-strip .path-card-media {
    min-height: 64px;
    font-size: 28px;
  }
}

.home-arr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.home-arr-grid .arrangement-item {
  margin-bottom: 0;
  height: 100%;
  transition: transform 0.15s, border-color 0.15s;
}

.home-arr-grid .arrangement-item:hover {
  transform: translateY(-2px);
  border-color: rgba(139, 92, 246, 0.35);
}

@media (max-width: 640px) {
  .home-hero {
    padding: 22px 18px 18px;
    border-radius: 18px;
  }

  .home-hero-content {
    flex-direction: column;
  }

  .home-quick-actions {
    grid-template-columns: 1fr;
  }

  .home-arr-grid {
    grid-template-columns: 1fr;
  }
}

.carousel-container {
  display: flex;
  overflow-x: auto;
  gap: 20px;
  padding-bottom: 12px;
}

.course-card {
  min-width: 320px;
  width: 320px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
}

.grid-card { min-width: unset; width: 100%; }

.video-thumbnail {
  height: 130px;
  background: var(--surface-elevated) center/cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  position: relative;
}

.grid-thumb { height: 160px; }

.video-progress-bar {
  position: absolute;
  bottom: 0; left: 0; height: 4px;
  background: var(--accent);
}

.course-info { padding: 16px; }
.course-info h4 { font-size: 16px; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.course-info p { color: var(--text-secondary); font-size: 14px; margin-bottom: 8px; }
.course-progress-percent { font-size: 12px; color: var(--accent); font-weight: 700; }

#courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.arrangement-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 12px;
}

.arr-icon {
  width: 44px; height: 44px;
  background: var(--primary-subtle);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.arr-details { flex: 1; min-width: 0; }
.arr-details h4 { font-size: 15px; margin-bottom: 2px; }
.arr-details p { font-size: 13px; color: var(--text-secondary); }

.arr-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.diff-chip {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}
.diff-iniciante { background: var(--success-bg); color: var(--progress-green); border: 1px solid rgba(16, 185, 129, 0.4); }
.diff-intermediario { background: rgba(255,152,0,0.12); color: #FF9800; border: 1px solid rgba(255,152,0,0.4); }
.diff-avancado { background: rgba(244,67,54,0.12); color: #F44336; border: 1px solid rgba(244,67,54,0.4); }

.pro-badge {
  font-size: 10px;
  background: var(--primary-muted);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 999px;
  margin-left: 6px;
}

.btn-practice {
  background: var(--accent);
  color: var(--text-inverse);
  border: none;
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.btn-icon-play {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 22px;
  cursor: pointer;
}

.upload-zone {
  border: 2px dashed rgba(139, 92, 246, 0.35);
  border-radius: 14px;
  padding: 28px 20px;
  margin-bottom: 24px;
  background: var(--primary-subtle);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
  background: var(--primary-muted);
}

.upload-zone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}

.upload-icon { font-size: 36px; }

.upload-zone h3 {
  font-size: 16px;
  font-family: 'Outfit', sans-serif;
}

.upload-zone p {
  color: var(--text-secondary);
  font-size: 13px;
}

.music-upload-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.music-upload-toolbar .btn-accent {
  flex: 1 1 180px;
}

.music-upload-panel {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
}

.music-upload-panel.hidden { display: none; }

.music-upload-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.music-upload-panel-head h3 {
  margin: 0;
  font-size: 17px;
}

.music-upload-panel .upload-zone {
  margin-bottom: 16px;
}

.music-track-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--divider);
}

.music-track-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
}

.music-track-options select {
  flex: 1 1 200px;
  min-width: 180px;
}

.music-upload-actions {
  margin-top: 14px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-danger-inline {
  border-color: rgba(255, 82, 82, 0.45) !important;
  color: #ff6b6b !important;
}

.upload-formats {
  font-size: 11px;
  color: var(--accent);
  margin-top: 4px;
}

.section-subtitle {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.library-subtitle { margin-top: 8px; }

.upload-badge {
  font-size: 10px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-secondary);
  padding: 2px 6px;
  border-radius: 999px;
  margin-left: 6px;
}

.cifra-badge {
  font-size: 10px;
  background: rgba(100, 181, 246, 0.15);
  color: #64b5f6;
  padding: 2px 6px;
  border-radius: 999px;
  margin-left: 6px;
}

.upload-item { border-color: rgba(59, 130, 246, 0.25); }

.btn-delete-upload {
  background: transparent;
  border: 1px solid rgba(255, 82, 82, 0.35);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-delete-upload:hover {
  background: rgba(255, 82, 82, 0.1);
  color: #ffffff;
}

.btn-trash {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.btn-trash .icon-trash {
  display: block;
  flex-shrink: 0;
}

.profile-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  margin-bottom: 20px;
}

.profile-avatar {
  width: 90px; height: 90px;
  background: var(--primary-muted);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
  font-size: 42px;
}

.plan-badge {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  background: var(--primary-muted);
}

.stats-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 14px 0;
}

.stat-chip {
  background: var(--dark-bg);
  border: 1px solid var(--divider);
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
}

.xp-bar-wrap {
  height: 6px;
  background: var(--divider);
  border-radius: 999px;
  overflow: hidden;
  margin: 8px 0;
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  width: 0;
  transition: width 0.3s ease;
}

.settings-item {
  cursor: pointer;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 12px;
}

.plan-card.highlight { border-color: var(--accent-secondary); }
.plan-card.active-plan { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.plan-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.plan-price { color: var(--accent); font-weight: 700; margin-bottom: 4px; }
.plan-desc { color: var(--text-secondary); font-size: 13px; margin-bottom: 10px; }
.plan-card ul { list-style: none; margin-bottom: 14px; }
.plan-card li { font-size: 13px; margin-bottom: 6px; padding-left: 18px; position: relative; }
.plan-card li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); }
.plan-active-tag { font-size: 11px; background: var(--accent); color: var(--text-inverse); padding: 3px 8px; border-radius: 999px; }

.bottom-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0;
  width: 100%;
  height: calc(64px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--surface);
  border-top: 1px solid var(--divider);
  z-index: 500;
  justify-content: space-around;
  align-items: center;
}

.bottom-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
}
.bottom-item.active { color: var(--accent); font-weight: 700; }
.bottom-item.open { color: var(--accent); font-weight: 700; }
.bottom-item svg { width: 24px; height: 24px; margin-bottom: 2px; fill: currentColor; }

.bottom-more-sheet {
  position: fixed;
  inset: 0;
  z-index: 560;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.bottom-more-sheet.hidden {
  display: none;
}

.bottom-more-backdrop {
  position: absolute;
  inset: 0;
  border: none;
  background: rgba(0, 0, 0, 0.45);
  cursor: pointer;
}

.bottom-more-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px 16px 0 0;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  display: grid;
  gap: 8px;
  animation: bottomMoreSlide 0.22s ease-out;
}

@keyframes bottomMoreSlide {
  from { transform: translateY(100%); opacity: 0.6; }
  to { transform: translateY(0); opacity: 1; }
}

.bottom-more-title {
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  margin: 0 0 4px;
  color: var(--text-secondary);
}

.bottom-more-action {
  width: 100%;
  text-align: left;
  background: var(--input-bg);
  border: 1px solid var(--divider);
  color: var(--text-primary);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.bottom-more-action:active {
  background: var(--primary-subtle);
  border-color: rgba(139, 92, 246, 0.35);
}

/* PLAYER OVERLAY */
#player-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2300;
  background: var(--dark-bg);
  flex-direction: column;
}

#player-overlay.active { display: flex; }

.player-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--divider);
  background: var(--surface);
}

.player-topbar h2 { font-size: 16px; font-family: 'Outfit', sans-serif; }

.player-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn-player-expand {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  color: var(--text-secondary);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}

.btn-player-expand:hover,
.btn-player-expand[aria-pressed='true'] {
  border-color: var(--accent);
  color: var(--accent);
}

#player-overlay.player-tab-fullscreen.player-hide-topbar-playing .player-topbar {
  display: none;
}

#player-overlay.player-tab-fullscreen .player-controls {
  display: block;
  flex: 0 0 auto;
  padding: 12px 16px calc(14px + env(safe-area-inset-bottom, 0px));
}

#player-overlay.player-tab-fullscreen .player-title-row,
#player-overlay.player-tab-fullscreen .player-speed-row,
#player-overlay.player-tab-fullscreen .player-progress-meta,
#player-overlay.player-tab-fullscreen #player-progress-bar,
#player-overlay.player-tab-fullscreen .player-loop-ab-label,
#player-overlay.player-tab-fullscreen .player-advanced-control {
  display: none !important;
}

#player-overlay.player-tab-fullscreen .player-buttons {
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

#player-overlay.player-tab-fullscreen .player-buttons button {
  min-width: 96px;
}

#player-overlay.player-tab-fullscreen #player-viewport {
  flex: 1 1 auto;
  min-height: 0;
}

body.player-tab-fullscreen-open {
  overflow: hidden;
}

.btn-close-player {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 600;
}

#player-viewport {
  flex: 1;
  position: relative;
  overflow: auto;
  background: #ffffff;
  -webkit-overflow-scrolling: touch;
}

#alphaTab {
  width: 100%;
  min-height: 100%;
  position: relative;
  overflow: visible;
  background: #ffffff !important;
}

.at-surface,
.at-main,
.at-surface svg,
.at-main svg {
  background: #ffffff !important;
}

.at-main svg,
.at-surface svg {
  filter: none;
}

.at-main svg text,
.at-surface svg text,
.at-main svg tspan,
.at-surface svg tspan {
  fill: #1f2937 !important;
}

.at-main svg path,
.at-surface svg path,
.at-main svg line,
.at-surface svg line,
.at-main svg rect,
.at-surface svg rect {
  stroke: #374151 !important;
}

.at-cursors {
  pointer-events: none;
}

.at-cursor-bar {
  background: rgba(139, 92, 246, 0.14) !important;
}

.at-cursor-beat {
  background: var(--accent) !important;
  width: 3px !important;
  opacity: 0.95;
  border-radius: 2px;
  box-shadow: 0 0 8px var(--primary-glow);
  pointer-events: none;
}

.at-highlight * {
  fill: var(--accent) !important;
  stroke: var(--accent) !important;
}

#player-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(28, 26, 24, 0.92);
  color: var(--text-secondary);
  z-index: 5;
  padding: 24px;
  text-align: center;
  line-height: 1.6;
  font-size: 14px;
}

.player-controls {
  border-top: 1px solid var(--divider);
  background: var(--surface);
  padding: 14px 16px calc(18px + env(safe-area-inset-bottom, 0px));
}

.player-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.player-title-row h3 { font-size: 15px; }

.speed-badge {
  font-size: 11px;
  color: var(--accent);
  background: var(--primary-muted);
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: 999px;
  padding: 4px 10px;
}

.player-progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

#player-progress-bar {
  width: 100%;
  height: 6px;
  appearance: none;
  background: var(--divider);
  border-radius: 999px;
  margin-bottom: 12px;
}

#player-progress-bar::-webkit-slider-thumb {
  appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.player-loop-ab-row {
  display: none;
}

.player-loop-mark,
#player-btn-loop-ab {
  min-width: 44px;
  padding: 10px 12px;
}

.player-loop-mark.active,
#player-btn-loop-ab.active,
#player-btn-countin.active,
#player-btn-metronome.active {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: transparent;
}

.player-loop-ab-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 6px 0 0;
  min-height: 16px;
}

.player-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.player-buttons button {
  border: 1px solid var(--divider);
  background: var(--input-bg);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 10px 14px;
  min-height: 44px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.player-buttons button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--text-inverse);
  border-color: transparent;
}

.player-buttons button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#player-status {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-secondary);
}

/* MODAL + TOAST */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 3000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active { display: flex; }

.modal-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 24px;
  max-width: 420px;
  width: 100%;
}

.modal-card h3 { margin-bottom: 10px; font-family: 'Outfit', sans-serif; }
.modal-card p { color: var(--text-secondary); margin-bottom: 18px; line-height: 1.5; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* Modal de Seleção de Versões JSON */
.json-version-modal-card {
  max-width: 550px !important;
}
.json-version-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 400px;
  overflow-y: auto;
  margin-top: 16px;
  padding-right: 4px;
}
.json-version-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all 0.2s ease;
  cursor: pointer;
  user-select: none;
}
.json-version-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}
.json-version-item.selected {
  border-color: var(--primary);
  background: rgba(14, 165, 233, 0.04);
}
.json-version-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  cursor: pointer;
  accent-color: var(--primary);
}
.json-version-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.json-version-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.json-version-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}
.json-version-badge-key {
  background: #f59e0b;
  color: #000;
  font-weight: 700;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}
.json-version-tag-req {
  font-size: 12px;
  color: var(--text-secondary);
  font-style: italic;
}
.json-version-preview {
  font-family: monospace;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.8;
  max-width: 100%;
}

.lesson-save-status {
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(30, 136, 229, 0.1);
  border: 1px solid rgba(30, 136, 229, 0.35);
}

.lesson-save-status.hidden {
  display: none;
}

.lesson-save-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #90caf9;
}

.lesson-save-progress-track {
  height: 8px;
  border-radius: 999px;
  background: var(--divider);
  overflow: hidden;
}

.lesson-save-progress-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #1565c0, #42a5f5);
  transition: width 0.25s ease;
}

#btn-lesson-save:disabled {
  opacity: 0.75;
  cursor: wait;
}

.modal-actions button {
  border: 1px solid var(--divider);
  background: var(--input-bg);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
}

.modal-actions .btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--text-inverse);
  border-color: transparent;
}

#toast {
  position: fixed;
  bottom: 88px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--text-inverse);
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 10050;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#toast.toast-success {
  background: linear-gradient(135deg, #2e7d32, #43a047);
}

#toast.toast-error {
  background: linear-gradient(135deg, #c62828, #e53935);
}

#toast.toast-info {
  background: linear-gradient(135deg, #1565c0, #1e88e5);
}

body[data-screen="admin"] #toast {
  bottom: 24px;
}

body[data-screen="admin"] #toast.celebration {
  bottom: 24px;
}

@media (max-width: 800px) {
  #dashboard-screen.active { flex-direction: column; }
  .sidebar { display: none !important; }
  .content-area { padding: 24px 16px 148px; }
  .bottom-bar { display: flex; }
  #toast { bottom: 140px; }
  #toast.celebration { bottom: 140px; }
  .stats-row { grid-template-columns: 1fr; }
  .arrangement-item { flex-wrap: wrap; }
}

@media (min-width: 801px) {
  #dashboard-screen.active { display: flex; }
  body[data-screen="app"] #dashboard-screen { flex-direction: row !important; }
}

@media (max-width: 600px) {
  .login-card { border: none; box-shadow: none; background: transparent; padding: 8px; }
}

/* COURSES EDITOR */
.courses-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-create-course {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--text-inverse);
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.course-card-editable {
  cursor: pointer;
  position: relative;
}

.course-card-editable:hover {
  border-color: rgba(139, 92, 246, 0.4);
}

.course-card-actions {
  display: flex;
  gap: 6px;
  padding: 0 16px 14px;
}

.course-card-actions button {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 14px;
}

.courses-empty {
  color: var(--text-secondary);
  padding: 24px;
  text-align: center;
}

.btn-edit-inline {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.btn-add-lesson {
  background: var(--primary-muted);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: var(--accent);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.course-lessons-empty {
  color: var(--text-secondary);
  font-size: 13px;
  padding: 16px;
  line-height: 1.5;
}

.modal-wide { max-width: 560px; }

#course-editor-modal,
#lesson-editor-modal {
  align-items: flex-start;
  overflow-y: auto;
}

#course-editor-modal .modal-card,
#lesson-editor-modal .modal-card {
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  margin: auto 0;
}

.textarea-field {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

.lesson-content-field { min-height: 200px; }

.form-row-2 {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 8px 0 0;
  line-height: 1.45;
}

.form-hint.hidden {
  display: none;
}

/* YOUSICIAN-STYLE UI */
.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.topbar-stats { display: flex; gap: 8px; }

.stat-pill {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 700;
}

.topbar-greeting {
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
}

.topbar-level {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.filter-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 16px;
  margin-bottom: 8px;
}

.filter-chip {
  background: var(--surface);
  border: 1px solid var(--divider);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-chip.active {
  background: var(--primary-muted);
  border-color: var(--accent);
  color: var(--accent);
}

.path-carousel,
.activity-carousel {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 12px 4px 24px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.path-carousel-large .path-module-card {
  min-width: 300px;
  max-width: 300px;
  min-height: 400px;
}

.path-module-card {
  min-width: 272px;
  max-width: 272px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--divider);
  cursor: pointer;
  scroll-snap-align: start;
  flex-shrink: 0;
  transition: transform 0.15s, border-color 0.15s;
  position: relative;
}

.path-module-card:hover { transform: translateY(-2px); border-color: rgba(139, 92, 246, 0.4); }
.path-module-card.complete { border-color: rgba(139, 92, 246, 0.45); }
.path-module-card.in-progress { border-color: rgba(34, 197, 94, 0.35); }
.path-module-card.locked { opacity: 0.75; }

.path-card-media {
  flex: 1;
  min-height: 190px;
  height: auto;
  background: linear-gradient(135deg, var(--surface-elevated), var(--dark-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.path-card-media.has-image { font-size: 0; }

.lock-badge {
  position: absolute;
  top: 8px; right: 8px;
  background: rgba(0,0,0,0.6);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 14px;
}

.path-count .path-hidden-count {
  font-size: 0.72em;
  font-weight: 600;
  opacity: 0.75;
}

.hidden-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.62);
  color: #fff;
  pointer-events: none;
}

.path-module-card.content-hidden,
.activity-card.content-hidden,
.activity-lesson-list-item.content-hidden,
.activity-lesson-icon.content-hidden {
  opacity: 0.48;
  filter: grayscale(0.12);
}

.gp-current-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--input-bg);
  border: 1px solid var(--divider);
}

.gp-current-label {
  flex: 1;
  min-width: 140px;
  font-size: 13px;
  color: var(--text-secondary);
}

.path-card-body {
  padding: 16px 16px 18px;
  flex-shrink: 0;
}

.path-track-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--progress-green);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.path-module-card.complete .path-track-label { color: var(--accent-warm); }

.path-card-body h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 17px;
  margin-bottom: 12px;
  line-height: 1.25;
}

.path-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.path-stars { color: var(--accent-warm); font-size: 13px; letter-spacing: 1px; }
.path-stars.empty { color: var(--divider); }

.path-count {
  font-size: 13px;
  font-weight: 800;
  background: var(--input-bg);
  padding: 4px 10px;
  border-radius: 999px;
}

.path-count.green { background: var(--success-bg); color: var(--progress-green); }
.path-count.gold { background: var(--warm-muted); color: var(--accent-warm); }

.path-card-bar {
  height: 6px;
  background: var(--divider);
  border-radius: 999px;
  overflow: hidden;
}

.path-card-bar span {
  display: block;
  height: 100%;
  background: var(--progress-green);
  border-radius: 999px;
}

.path-module-card.complete .path-card-bar span { background: var(--accent-warm); }

.path-card-admin {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 16px;
  align-items: center;
}

.path-card-reorder {
  display: flex;
  gap: 4px;
  margin-right: auto;
}

.path-move-btn {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1;
}

.path-move-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.path-move-btn:not(:disabled):hover {
  border-color: rgba(139, 92, 246, 0.5);
  color: var(--accent);
}

.path-reorder-hint {
  margin-top: -4px;
  font-size: 12px;
  color: var(--accent-secondary);
}

.path-card-admin button {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
  color: var(--text-primary);
}

.path-card-admin .btn-trash:hover {
  border-color: rgba(255, 82, 82, 0.45);
  color: #ffffff;
}

@media (max-width: 720px) {
  .path-module-card {
    min-width: 228px;
    max-width: 228px;
    min-height: 340px;
  }

  .path-carousel-large .path-module-card {
    min-width: 248px;
    max-width: 248px;
    min-height: 360px;
  }

  .path-carousel,
  .activity-carousel {
    gap: 16px;
    padding: 10px 4px 20px;
  }

  .path-card-media {
    min-height: 150px;
    font-size: 44px;
  }

  .path-card-body h4 {
    font-size: 15px;
  }
}

.path-milestone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  flex-shrink: 0;
  transition: opacity 0.35s ease, filter 0.35s ease, transform 0.35s ease;
}

.path-medal-icon {
  font-size: 32px;
  line-height: 1;
  display: block;
}

.path-milestone.locked {
  opacity: 0.28;
  filter: grayscale(1) brightness(0.75);
}

.path-milestone.locked .path-medal-icon {
  transform: scale(0.92);
}

.path-milestone.unlocked {
  opacity: 1;
  filter: none;
}

.path-milestone.unlocked .path-medal-icon {
  animation: milestonePop 0.55s ease;
  filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.45));
}

@keyframes milestonePop {
  0% { transform: scale(0.6); opacity: 0.4; }
  60% { transform: scale(1.12); }
  100% { transform: scale(1); opacity: 1; }
}

.path-card-admin .path-medal-toggle {
  border: 1px solid var(--divider);
  background: var(--surface-elevated);
  border-radius: 8px;
  padding: 4px 7px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  opacity: 0.45;
  filter: grayscale(1);
  transition: opacity 0.2s, filter 0.2s, border-color 0.2s;
}

.path-card-admin .path-medal-toggle.active {
  opacity: 1;
  filter: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.25);
}

.path-card-admin .path-medal-toggle:hover {
  border-color: var(--accent);
}

.path-hint {
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: -8px;
}

.activity-card {
  min-width: 200px;
  max-width: 200px;
  background: var(--surface);
  border-radius: 14px;
  border: 1px solid var(--divider);
  overflow: hidden;
  cursor: pointer;
  scroll-snap-align: start;
  flex-shrink: 0;
  position: relative;
}

.activity-card.compact { min-width: 180px; max-width: 180px; }
.activity-card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.activity-card.done { opacity: 0.85; }
.activity-card.locked { opacity: 0.78; }

.activity-card-visual {
  position: relative;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  background: linear-gradient(135deg, var(--surface-elevated), var(--input-bg));
  overflow: hidden;
}

.activity-card-visual img.activity-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.activity-pro-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
}

.cifra-audio-badges {
  position: absolute;
  bottom: 8px;
  left: 8px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cifra-audio-badge {
  position: static;
  font-size: 15px;
  line-height: 1;
  padding: 3px 6px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.55);
  pointer-events: none;
}

.cifra-reviewed-badge {
  font-size: 15px;
  line-height: 1;
  padding: 3px 6px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.55);
  pointer-events: none;
}

.activity-lesson-icon-badges .cifra-audio-badges {
  position: static;
  gap: 3px;
}

.activity-lesson-icon-badges .cifra-audio-badge,
.activity-lesson-icon-badges .cifra-reviewed-badge {
  padding: 2px 4px;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.45);
}

.activity-card.type-video .activity-card-visual { background: linear-gradient(135deg, #064e3b, var(--type-video)); }
.activity-card.type-gp .activity-card-visual { background: linear-gradient(135deg, #4c1d95, #8b5cf6); }
.activity-card.type-cifra .activity-card-visual { background: linear-gradient(135deg, #78350f, #3b82f6); }
.activity-card.type-text .activity-card-visual { background: linear-gradient(135deg, #1e3a8a, #60a5fa); }
.activity-card.type-exercise .activity-card-visual { background: linear-gradient(135deg, #581c87, var(--type-exercise)); }

.activity-card-body { padding: 12px; }

.activity-type {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.activity-card.type-video .activity-type { color: var(--type-video); }
.activity-card.type-gp .activity-type { color: var(--type-gp); }
.activity-card.type-cifra .activity-type { color: var(--type-cifra); }
.activity-card.type-text .activity-type { color: var(--type-text); }
.activity-card.type-exercise .activity-type { color: var(--type-exercise); }

.activity-card-body h4 {
  font-size: 14px;
  margin: 6px 0 4px;
  line-height: 1.2;
}

.activity-card-body p {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  min-height: 18px;
}

.activity-stars { color: var(--accent-warm); font-size: 11px; }
.activity-check {
  color: var(--progress-green);
  font-weight: 800;
  font-size: 14px;
}

.activity-card-actions {
  position: absolute;
  top: 6px; right: 6px;
  display: flex;
  gap: 2px;
}

.activity-card-actions button {
  background: rgba(0,0,0,0.5);
  border: none;
  border-radius: 6px;
  padding: 2px 6px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-primary);
}

.activity-card-actions .btn-trash:hover {
  background: rgba(255, 82, 82, 0.25);
  color: #ffffff;
}

.activity-card-admin {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--divider);
  background: rgba(0, 0, 0, 0.12);
}

.activity-card-reorder {
  display: flex;
  gap: 4px;
}

.activity-move-module {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-size: 11px;
  color: var(--text-secondary);
}

.activity-move-module select {
  max-width: min(170px, 42vw);
  padding: 5px 8px;
  border-radius: 8px;
  border: 1px solid var(--divider);
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 11px;
  cursor: pointer;
}

.activity-move-module select:focus {
  border-color: var(--accent);
  outline: none;
}

.level-bar {
  position: fixed;
  bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  left: 0; right: 0;
  z-index: 100;
  background: var(--surface);
  border-top: 1px solid var(--divider);
  backdrop-filter: blur(8px);
  padding: 16px 20px;
  min-height: 68px;
}

.level-bar-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.level-bar-label {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.level-bar-title {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.level-track {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  flex: 1;
  padding: 2px 0;
  align-items: center;
}

.level-track-milestones {
  gap: 6px;
}

.level-segment {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 72px;
  flex: 1;
  max-width: 140px;
}

.level-segment-num {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.level-segment.current .level-segment-num {
  color: var(--accent);
}

.level-segment.done .level-segment-num {
  color: rgba(139, 92, 246, 0.75);
}

.level-segment-bar {
  height: 8px;
  background: var(--divider);
  border-radius: 999px;
  overflow: hidden;
}

.level-segment-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-secondary), var(--accent));
  border-radius: 999px;
  transition: width 0.35s ease;
}

.level-segment.done .level-segment-bar span {
  width: 100% !important;
}

.level-segment.current .level-segment-bar {
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.25);
}

.level-bar-medal {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  flex-shrink: 0;
}

.level-bar-medal .path-medal-icon {
  font-size: 22px;
}

.level-bar-medal.locked {
  opacity: 0.28;
  filter: grayscale(1) brightness(0.75);
}

.level-bar-medal.unlocked .path-medal-icon {
  filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.45));
}

.level-bar-inner--path {
  align-items: center;
}

.level-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--divider);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.level-dot.done {
  border-color: rgba(139, 92, 246, 0.4);
  color: var(--accent);
}

.level-dot.current {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  border-color: transparent;
  color: var(--text-inverse);
}

/* COURSE OVERLAY — PATH STYLE */
#course-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2100;
  background: var(--dark-bg);
  flex-direction: column;
  overflow: hidden;
}

#course-overlay.active {
  display: flex;
  height: 100dvh;
  max-height: 100dvh;
}

.course-path-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--divider);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 2;
}

.btn-path-back {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--divider);
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.course-path-titles { flex: 1; min-width: 0; }

.track-label {
  display: block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--progress-green);
  text-transform: uppercase;
}

.course-path-titles h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-badge {
  font-size: 13px;
  font-weight: 800;
  background: var(--input-bg);
  border: 1px solid var(--divider);
  padding: 6px 12px;
  border-radius: 999px;
  flex-shrink: 0;
}

.btn-edit-compact { padding: 8px 10px !important; }

.course-path-toolbar {
  padding: 12px 16px;
  border-bottom: 1px solid var(--divider);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.course-view-toolbar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--divider);
  background: rgba(255, 255, 255, 0.02);
}

.course-view-toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.course-icon-size-toolbar[hidden] {
  display: none !important;
}

.course-view-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.course-view-toggle {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.course-view-toggle-btn {
  border: 1px solid var(--divider);
  background: var(--input-bg);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.course-view-toggle-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

.course-view-toggle-btn.active {
  background: rgba(139, 92, 246, 0.14);
  border-color: var(--accent);
  color: var(--accent-warm);
}

.course-activity-carousel.course-view-list,
.course-activity-carousel.course-view-icons {
  flex-direction: row;
  flex-wrap: wrap;
  align-content: flex-start;
  align-items: stretch;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-snap-type: none;
  touch-action: pan-y pinch-zoom;
}

.course-activity-carousel.course-view-list {
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 10px;
}

.course-activity-carousel.course-view-icons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 12px;
}

.course-activity-carousel.course-view-icons.course-icon-size-small {
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 12px;
}

.course-activity-carousel.course-view-icons.course-icon-size-medium {
  grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
  gap: 14px;
}

.course-activity-carousel.course-view-icons.course-icon-size-large {
  grid-template-columns: repeat(auto-fill, minmax(156px, 1fr));
  gap: 16px;
}

.course-activity-carousel.course-view-icons.course-icon-size-medium .activity-lesson-icon.icon-size-medium,
.course-activity-carousel.course-view-icons.course-icon-size-large .activity-lesson-icon.icon-size-large {
  width: 100%;
}

.course-activity-carousel.course-view-icons.course-icon-size-small .activity-lesson-icon.icon-size-small {
  min-height: 96px;
  padding: 10px 8px;
}

.course-activity-carousel.course-view-icons.course-icon-size-small .activity-lesson-icon.icon-size-small .activity-lesson-icon-emoji {
  font-size: 28px;
}

.course-activity-carousel.course-view-icons.course-icon-size-large .activity-lesson-icon.icon-size-large .activity-lesson-icon-label {
  font-size: 13px;
  padding: 10px 8px 12px;
}

.activity-lesson-list-item {
  display: flex;
  align-items: stretch;
  gap: 14px;
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--divider);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.activity-lesson-list-item.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.activity-lesson-list-thumb {
  position: relative;
  width: 88px;
  min-width: 88px;
  height: 88px;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  background: linear-gradient(135deg, var(--surface-elevated), var(--input-bg));
}

.activity-lesson-list-thumb img.activity-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-lesson-list-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.activity-lesson-list-body h4 {
  margin: 4px 0;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-lesson-list-body p {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-lesson-list-item .activity-card-actions,
.activity-lesson-list-item .activity-card-admin {
  align-self: center;
}

.activity-lesson-icon {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 96px;
  padding: 10px 8px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--divider);
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.activity-lesson-icon.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.activity-lesson-icon.icon-size-medium,
.activity-lesson-icon.icon-size-large {
  padding: 0;
  gap: 0;
  min-height: 0;
  overflow: hidden;
  align-items: stretch;
  background: var(--surface);
}

.activity-lesson-icon-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.activity-lesson-icon-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.activity-lesson-icon-fallback {
  font-size: 34px;
}

.activity-lesson-icon.icon-size-medium .activity-lesson-icon-fallback {
  font-size: 38px;
}

.activity-lesson-icon.icon-size-large .activity-lesson-icon-fallback {
  font-size: 46px;
}

.activity-lesson-icon.icon-size-medium .activity-lesson-icon-label {
  padding: 8px 6px 10px;
  font-size: 11px;
}

.activity-lesson-icon.icon-size-large .activity-lesson-icon-label {
  padding: 10px 8px 12px;
  font-size: 12px;
}

.activity-lesson-list-item.type-video .activity-lesson-list-thumb,
.activity-lesson-icon.type-video:not(.icon-size-medium):not(.icon-size-large),
.activity-lesson-icon-cover.type-video { background: linear-gradient(135deg, #064e3b, var(--type-video)); }
.activity-lesson-list-item.type-gp .activity-lesson-list-thumb,
.activity-lesson-icon.type-gp:not(.icon-size-medium):not(.icon-size-large),
.activity-lesson-icon-cover.type-gp { background: linear-gradient(135deg, #4c1d95, #8b5cf6); }
.activity-lesson-list-item.type-cifra .activity-lesson-list-thumb,
.activity-lesson-icon.type-cifra:not(.icon-size-medium):not(.icon-size-large),
.activity-lesson-icon-cover.type-cifra { background: linear-gradient(135deg, #78350f, #3b82f6); }
.activity-lesson-list-item.type-text .activity-lesson-list-thumb,
.activity-lesson-icon.type-text:not(.icon-size-medium):not(.icon-size-large),
.activity-lesson-icon-cover.type-text { background: linear-gradient(135deg, #1e3a8a, #60a5fa); }
.activity-lesson-list-item.type-exercise .activity-lesson-list-thumb,
.activity-lesson-icon.type-exercise:not(.icon-size-medium):not(.icon-size-large),
.activity-lesson-icon-cover.type-exercise { background: linear-gradient(135deg, #581c87, var(--type-exercise)); }

.activity-lesson-icon-emoji {
  font-size: 30px;
  line-height: 1;
}

.activity-lesson-icon-label {
  font-size: 10px;
  font-weight: 700;
  text-align: center;
  line-height: 1.25;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-lesson-icon-badges {
  position: absolute;
  top: 6px;
  right: 6px;
  display: flex;
  gap: 4px;
  align-items: center;
}

.activity-lesson-icon-badges .pro-badge,
.activity-lesson-icon-badges .lock-badge {
  position: static;
  padding: 2px 5px;
  font-size: 9px;
}

.activity-lesson-icon-done {
  font-size: 11px;
  color: var(--progress-green);
  font-weight: 800;
}

.activity-submodule-type {
  color: #888 !important;
}

.activity-submodule-card,
.activity-submodule-header-card {
  cursor: pointer;
  background: linear-gradient(145deg, #2a2a2a, #1f1f1f);
  border-color: rgba(255, 255, 255, 0.05);
}

.activity-submodule-visual {
  background: rgba(0, 0, 0, 0.3);
  font-size: 3rem;
  color: var(--accent-warm, #c89e6d);
}

.activity-submodule-visual img.activity-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-submodule-back-btn {
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}

.activity-submodule-back-btn--overlay {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
}

.activity-submodule-add-btn {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 8px 10px;
  background: #4a8b41;
  color: #fff;
  font-size: 12px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.activity-submodule-list-item {
  display: flex;
  align-items: stretch;
  gap: 14px;
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--divider);
  cursor: pointer;
}

.activity-submodule-list-thumb {
  position: relative;
  width: 88px;
  min-width: 88px;
  height: 88px;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  color: var(--accent-warm, #c89e6d);
  background: linear-gradient(145deg, #2a2a2a, #1f1f1f);
}

.activity-submodule-list-thumb img.activity-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-submodule-list-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.activity-submodule-list-body h4 {
  margin: 4px 0;
  font-size: 15px;
}

.activity-submodule-list-body p {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.activity-submodule-list-item .activity-card-actions {
  position: static;
  align-self: center;
  flex-shrink: 0;
}

.activity-submodule-list-body .activity-submodule-reorder {
  margin-top: 8px;
  padding: 0;
  border: 0;
  background: transparent;
}

.activity-submodule-icon {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  min-height: 96px;
  padding: 10px 8px 8px;
  border-radius: 14px;
  background: linear-gradient(145deg, #2a2a2a, #1f1f1f);
  border: 1px solid var(--divider);
  cursor: pointer;
}

.activity-submodule-icon.icon-size-medium,
.activity-submodule-icon.icon-size-large {
  padding: 0;
  gap: 0;
  min-height: 0;
  overflow: hidden;
  align-items: stretch;
}

.activity-submodule-icon-emoji {
  font-size: 30px;
  line-height: 1;
  color: var(--accent-warm, #c89e6d);
}

.activity-submodule-icon-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.28);
}

.activity-submodule-icon-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-submodule-icon-meta {
  font-size: 10px;
  color: var(--text-secondary);
  text-align: center;
}

.activity-submodule-icon-admin {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 3;
}

.activity-submodule-icon-admin .activity-card-actions {
  position: static;
  display: flex;
  gap: 2px;
}

.activity-submodule-icon-reorder {
  display: flex;
  justify-content: center;
  gap: 4px;
  width: 100%;
  padding-top: 2px;
}

.activity-submodule-icon-reorder-inner {
  display: flex;
  justify-content: center;
  gap: 4px;
}

.activity-submodule-header-list,
.activity-submodule-header-icons {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--divider);
}

.activity-submodule-header-info {
  flex: 1;
  min-width: 0;
}

.activity-submodule-header-info h3,
.activity-submodule-header-info strong {
  display: block;
  margin: 4px 0;
  font-size: 16px;
}

.activity-submodule-header-info p,
.activity-submodule-header-count {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.activity-submodule-header-list .activity-card-actions,
.activity-submodule-header-icons .activity-card-actions {
  position: static;
  flex-shrink: 0;
}

.course-view-list .activity-submodule-header-list,
.course-view-icons .activity-submodule-header-icons,
.course-view-list .activity-submodule-empty,
.course-view-icons .activity-submodule-empty {
  grid-column: 1 / -1;
  width: 100%;
  max-width: none;
  min-width: 0;
}

.course-view-list .activity-submodule-empty {
  margin: 0;
  padding: 8px 4px 0;
}

.course-view-icons .activity-submodule-icon,
.course-view-list .activity-submodule-list-item {
  min-width: 0;
  max-width: none;
  width: 100%;
}

#course-overlay .activity-submodule-header-card {
  min-width: 280px;
}

.course-view-mode-list .activity-submodule-header-card,
.course-view-mode-icons .activity-submodule-header-card {
  display: none;
}

.course-view-mode-list .activity-submodule-header-list,
.course-view-mode-icons .activity-submodule-header-icons {
  display: flex;
}

.course-view-mode-card .activity-submodule-header-list,
.course-view-mode-card .activity-submodule-header-icons {
  display: none;
}

.course-view-mode-icons .activity-submodule-card,
.course-view-mode-list .activity-submodule-card {
  display: none;
}

.course-view-mode-card .activity-submodule-list-item,
.course-view-mode-card .activity-submodule-icon {
  display: none;
}

.course-view-mode-list .activity-submodule-list-item,
.course-view-mode-icons .activity-submodule-icon {
  display: flex;
}

.course-view-mode-card .activity-submodule-card {
  display: flex;
}

.course-view-mode-list .course-carousel-nav,
.course-view-mode-icons .course-carousel-nav {
  display: none;
}

.course-reorder-hint {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  flex: 1 1 180px;
}

.course-carousel-shell {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.course-carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  border: 0;
  background: transparent;
  padding: 0 10px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.course-carousel-nav:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.course-carousel-nav-prev {
  left: 8px;
}

.course-carousel-nav-next {
  right: 8px;
}

.course-carousel-nav::before {
  content: '';
  position: absolute;
  top: -45%;
  bottom: -45%;
  width: 72px;
  pointer-events: none;
}

.course-carousel-nav-prev::before {
  left: -8px;
  background: linear-gradient(to right, rgba(18, 17, 16, 0.95) 18%, transparent 100%);
}

.course-carousel-nav-next::before {
  right: -8px;
  background: linear-gradient(to left, rgba(18, 17, 16, 0.95) 18%, transparent 100%);
}

.course-carousel-nav-arrow {
  position: relative;
  display: block;
  font-size: 34px;
  font-weight: 300;
  line-height: 1;
  color: var(--accent);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.55);
}

.course-carousel-nav-next .course-carousel-nav-arrow {
  animation: course-carousel-nudge-right 1.5s ease-in-out infinite;
}

.course-carousel-nav-prev .course-carousel-nav-arrow {
  animation: course-carousel-nudge-left 1.5s ease-in-out infinite;
}

@keyframes course-carousel-nudge-right {
  0%,
  100% {
    transform: translateX(0);
    opacity: 0.82;
  }
  50% {
    transform: translateX(5px);
    opacity: 1;
  }
}

@keyframes course-carousel-nudge-left {
  0%,
  100% {
    transform: translateX(0);
    opacity: 0.82;
  }
  50% {
    transform: translateX(-5px);
    opacity: 1;
  }
}

.course-activity-carousel {
  flex: 1;
  min-height: 0;
  align-items: stretch;
  padding: 20px 20px 28px;
  gap: 20px;
  scroll-padding-inline: 20px;
}

.course-activity-carousel:has(.activity-card:only-child) {
  justify-content: center;
}

#course-overlay .activity-card {
  min-width: 320px;
  max-width: 340px;
  width: 340px;
  min-height: auto;
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.28);
}

#course-overlay .activity-card-visual {
  flex: none;
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 0;
  height: auto;
  font-size: 56px;
  position: relative;
  background: #0a0a0a;
}

#course-overlay .activity-card-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 52%);
  pointer-events: none;
  opacity: 0;
}

#course-overlay .activity-card-visual:has(img)::after {
  opacity: 1;
}

#course-overlay .activity-card-visual img.activity-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  image-rendering: auto;
}

#course-overlay .activity-card-body {
  padding: 16px 16px 18px;
  flex-shrink: 0;
  flex: 1;
}

#course-overlay .activity-type {
  font-size: 10px;
}

#course-overlay .activity-card-body h4 {
  font-size: 17px;
  margin: 8px 0 6px;
}

#course-overlay .activity-card-body p {
  font-size: 13px;
  -webkit-line-clamp: 3;
}

#course-overlay .activity-card-footer {
  margin-top: 10px;
  min-height: 22px;
}

#course-overlay .activity-stars {
  font-size: 13px;
}

#course-overlay .activity-check {
  font-size: 16px;
}

#course-overlay .activity-card-actions {
  top: 8px;
  right: 8px;
  z-index: 2;
}

#course-overlay .activity-card-actions button {
  padding: 4px 8px;
  font-size: 13px;
}

#course-overlay .activity-card-admin {
  padding: 10px 14px 14px;
}

#course-overlay .activity-move-module select {
  max-width: min(190px, 48vw);
  font-size: 12px;
}

@media (max-width: 720px) {
  .course-activity-carousel {
    padding: 14px 16px 28px;
    gap: 14px;
    scroll-padding-inline: 16px;
  }

  #course-overlay .activity-card {
    min-width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
    width: calc(100vw - 32px);
    min-height: auto;
    scroll-snap-align: center;
  }

  #course-overlay .activity-card-visual {
    aspect-ratio: 16 / 9;
    min-height: 0;
    font-size: 44px;
  }

  #course-overlay .activity-card-body h4 {
    font-size: 16px;
  }
}

/* LESSON OVERLAY */
#lesson-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2200;
  background: var(--dark-bg);
  flex-direction: column;
  overflow-y: auto;
}

#lesson-overlay.active {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-height: 100dvh;
}

#lesson-overlay.type-cifra {
  overflow: hidden;
}

#lesson-overlay.type-cifra .lesson-overlay-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 12px 16px 16px;
  max-width: 1040px;
  width: 100%;
}

.cifra-lesson-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.cifra-main-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.cifra-side-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

#lesson-overlay.type-cifra .cifra-side-stack .cifra-lesson-footer {
  box-shadow: none;
  border-top: 1px solid var(--divider);
  padding: 10px 0 0;
  background: transparent;
}

#lesson-overlay.type-cifra .cifra-side-stack .lesson-complete-row {
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

#lesson-overlay.type-cifra .cifra-side-stack .lesson-progress-hint,
#lesson-overlay.type-cifra .cifra-side-stack .lesson-auto-hint {
  font-size: 12px;
  margin: 0;
}

#lesson-overlay.type-cifra .cifra-side-stack .btn-lesson-action {
  width: 100%;
  margin: 0;
}

#lesson-overlay.type-cifra .cifra-side-stack .lesson-comments-panel {
  margin-top: 8px;
  padding-top: 10px;
  max-height: min(150px, 22vh);
}

.cifra-lesson-footer {
  flex-shrink: 0;
}

#lesson-overlay.type-cifra .cifra-lesson-flow {
  flex: none;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: visible;
}

#lesson-overlay.type-cifra .lesson-cifra-instructions {
  flex-shrink: 0;
  margin-bottom: 0;
}

#lesson-overlay.type-cifra .lesson-complete-row {
  flex-shrink: 0;
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

#lesson-overlay.type-cifra .lesson-comments-panel {
  flex-shrink: 0;
  margin-top: 12px;
  padding-top: 12px;
  max-height: min(180px, 28vh);
  overflow-y: auto;
  border-top: 1px solid var(--divider);
}

.lesson-overlay-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--divider);
  background: var(--surface);
  flex-shrink: 0;
  z-index: 2;
}

.lesson-overlay-titles {
  flex: 1;
  min-width: 0;
}

.lesson-overlay-type {
  display: block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 4px;
}

.lesson-overlay-titles h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  line-height: 1.2;
  margin-bottom: 4px;
}

.lesson-overlay-course {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lesson-overlay-body {
  flex: 1;
  min-height: 0;
  padding: 20px 16px 40px;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

#lesson-overlay.type-video .lesson-overlay-type { color: var(--type-video); }
#lesson-overlay.type-gp .lesson-overlay-type { color: var(--type-gp); }
#lesson-overlay.type-cifra .lesson-overlay-type { color: var(--type-cifra); }
#lesson-overlay.type-text .lesson-overlay-type { color: var(--type-text); }
#lesson-overlay.type-exercise .lesson-overlay-type { color: var(--type-exercise); }

.lesson-overlay-body .lesson-view-body {
  max-height: none;
  overflow: visible;
  padding-right: 0;
}

/* Cifra lesson */
#lesson-gp-field,
#lesson-cifra-field,
#lesson-video-field {
  display: none;
}

.chord-edit-field {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre;
}

.cifra-stems-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--divider);
}

.cifra-style-row {
  margin-bottom: 16px;
}

.cifra-field-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.cifra-field-head label {
  margin: 0;
}

.cifra-style-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.cifra-style-controls select {
  flex: 1 1 140px;
  min-width: 120px;
}

.cifra-style-controls input {
  flex: 1 1 120px;
  min-width: 100px;
}

.cifra-stems-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.cifra-stems-head-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.btn-clear-stem-audio,
.btn-clear-all-stems {
  color: #ff8a80;
  border-color: rgba(255, 82, 82, 0.45);
}

.btn-clear-stem-audio:hover,
.btn-clear-all-stems:hover {
  background: rgba(255, 82, 82, 0.12);
}

.cifra-stem-file-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.cifra-stem-file-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.cifra-stem-badge {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.18);
  color: var(--accent);
  flex-shrink: 0;
}

.cifra-stem-badge.badge-error {
  background: rgba(229, 57, 53, 0.18);
  color: #ef9a9a;
}

.cifra-stem-badge.badge-cloud {
  background: rgba(76, 175, 80, 0.18);
  color: #a5d6a7;
}

.cifra-stem-badge:empty {
  display: none;
}

.cifra-stems-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

.cifra-stems-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cifra-stem-row {
  display: grid;
  grid-template-columns: 120px 1fr auto auto auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border-radius: 10px;
  background: var(--input-bg);
  border: 1px solid var(--divider);
}

.cifra-stem-reorder {
  display: flex;
  gap: 4px;
  align-items: center;
}

.cifra-stem-move {
  min-width: 34px;
  padding: 4px 8px;
}

.cifra-stem-move:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.cifra-stem-row label.cifra-stem-default {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  white-space: nowrap;
}

.cifra-stem-file-name {
  font-size: 11px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lesson-cifra-instructions {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--input-bg);
  border: 1px solid var(--divider);
}

.cifra-lesson-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.cifra-sheet-panel {
  display: flex;
  flex-direction: column;
  min-height: min(62vh, 520px);
  margin: 0 0 16px;
  border: 1px solid var(--divider);
  border-radius: 12px;
  overflow: hidden;
  background: var(--input-bg);
}

#lesson-overlay.type-cifra .cifra-sheet-panel {
  flex: none;
  min-height: 0;
  margin: 0;
}

.chord-sheet-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--divider);
  background: var(--surface);
  flex-shrink: 0;
}

.chord-sheet-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-right: 2px;
}

.chord-transpose-btn {
  min-width: 36px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--divider);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.chord-transpose-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chord-transpose-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.chord-transpose-btn:disabled:hover {
  border-color: var(--divider);
  color: var(--text-primary);
}

.chord-key-select {
  min-width: 72px;
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--divider);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 13px;
}

.chord-transpose-reset {
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--divider);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
}

.chord-transpose-reset:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.chord-sheet-expand {
  height: 34px;
  padding: 0 12px;
  margin-left: auto;
  border: 1px solid var(--divider);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.chord-sheet-expand:hover,
.chord-sheet-expand[aria-pressed='true'] {
  border-color: var(--accent);
  color: var(--accent);
}

.cifra-sheet-panel.is-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 6500;
  width: 100% !important;
  max-width: none !important;
  height: 100dvh !important;
  max-height: 100dvh !important;
  margin: 0 !important;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

.cifra-sheet-panel.is-fullscreen .cifra-resize-handle {
  display: none;
}

.cifra-sheet-panel.is-fullscreen .chord-sheet {
  flex: 1;
  min-height: 0;
}

body.cifra-fullscreen-open {
  overflow: hidden;
}

.chord-font-size {
  min-width: 36px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.chord-font-group {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.chord-toolbar-transport {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.chord-sheet {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: var(--chord-sheet-font-size, 14px);
  line-height: 1.45;
  white-space: normal;
  word-wrap: break-word;
  background: #fff;
  border: none;
  border-radius: 0;
  padding: 16px;
  margin: 0;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  color: #1a1a1a;
}

.chord-line {
  white-space: pre;
  min-height: 1.45em;
  color: #1a1a1a;
}

.chord-line .chord {
  color: var(--accent, #e85d04);
  font-weight: 700;
}

.lyric-line {
  white-space: pre-wrap;
  margin-bottom: 0.35em;
  color: #1a1a1a;
}

.tab-line {
  white-space: pre;
  margin-bottom: 0;
  color: #1a1a1a;
  font-family: inherit;
  overflow-x: auto;
}

.chord-meta,
.chord-section {
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5em;
}

.chord-meta .chord,
.chord-section .chord {
  color: var(--accent, #e85d04);
}

.chord-blank {
  height: 0.6em;
}

.chord-empty {
  color: var(--text-secondary);
  font-style: italic;
}

@media (max-width: 480px) {
  .chord-sheet-toolbar {
    gap: 6px;
    padding: 8px 10px;
  }

  .chord-font-group {
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .chord-toolbar-transport {
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .chord-transpose-reset {
    width: auto;
  }

  .chord-sheet-expand {
    width: 100%;
    margin-left: 0;
  }
}

#lesson-overlay.type-cifra .chord-sheet {
  min-height: 0;
}

#lesson-overlay.type-cifra .chord-mixer {
  flex-shrink: 0;
  margin-bottom: 0;
  max-height: none;
  overflow: visible;
}

@media (min-width: 900px) {
  #lesson-overlay.type-cifra .cifra-lesson-scroll {
    overflow-y: auto;
    min-height: 0;
  }

  #lesson-overlay.type-cifra .cifra-lesson-flow {
    min-height: min-content;
  }

  .cifra-main-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
    align-items: start;
    gap: 14px 18px;
  }

  #lesson-overlay.type-cifra .cifra-sheet-panel {
    grid-column: 1;
    min-height: 0;
    height: auto;
    align-self: start;
  }

  .cifra-side-stack {
    grid-column: 2;
    position: sticky;
    top: 0;
    align-self: start;
    max-height: calc(100dvh - 120px);
    overflow-y: auto;
  }

  #lesson-overlay.type-cifra .chord-mixer {
    max-height: none;
    overflow: visible;
  }

  #lesson-overlay.type-cifra .chord-stem-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  #lesson-overlay.type-cifra .chord-transport {
    flex-direction: column;
    align-items: stretch;
  }

  #lesson-overlay.type-cifra .chord-seek-wrap {
    width: 100%;
  }

  #lesson-overlay.type-cifra .chord-seek {
    width: 100%;
    min-width: 0;
  }

  #lesson-overlay.type-cifra .chord-time {
    text-align: left;
  }
}

.cifra-resize-handle {
  position: relative;
  z-index: 10;
  flex-shrink: 0;
  height: 28px;
  cursor: ns-resize;
  touch-action: none;
  user-select: none;
  background: var(--surface-elevated);
  border-top: 1px solid var(--divider);
  border-bottom: 2px solid var(--divider);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.cifra-resize-handle::after {
  content: 'Arraste';
  position: absolute;
  right: 12px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0.7;
  pointer-events: none;
}

.cifra-resize-handle:hover,
.cifra-resize-handle:focus-visible {
  background: rgba(139, 92, 246, 0.12);
  outline: none;
}

.cifra-resize-grip {
  width: 56px;
  height: 5px;
  border-radius: 999px;
  background: var(--text-secondary);
  opacity: 0.55;
  pointer-events: none;
}

.cifra-resize-handle:hover .cifra-resize-grip,
.cifra-resize-handle:focus-visible .cifra-resize-grip {
  opacity: 0.9;
  background: var(--accent);
}

body.cifra-resizing {
  cursor: ns-resize !important;
  user-select: none;
}

body.cifra-resizing * {
  cursor: ns-resize !important;
}

body.cifra-resizing iframe {
  pointer-events: none !important;
}

.chord-mixer {
  background: var(--surface-elevated);
  border: 1px solid var(--divider);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: visible;
  overflow-anchor: none;
}

.chord-mixer-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-shrink: 0;
}

.chord-loading,
.chord-error,
.chord-muted-hint {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.chord-error { color: #f87171; }

.chord-muted-hint {
  text-align: center;
  padding: 12px;
  color: var(--text-muted);
}

.chord-stems-pro-lock {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  padding: 18px 14px;
  border: 1px dashed var(--divider);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.chord-stems-pro-lock-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.chord-stems-pro-lock-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-secondary);
  max-width: 280px;
}

.chord-stems-pro-lock-btn {
  margin-top: 4px;
}

.chord-transport {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.chord-transport-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.chord-seek-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 6px 0 2px;
}

.chord-transport button {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 700;
}

.chord-transport button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.chord-transport button:disabled:hover {
  border-color: var(--divider);
  color: var(--text-primary);
}

.chord-seek:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.chord-transport button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chord-seek {
  flex: 1;
  min-width: 0;
  appearance: none;
  height: 8px;
  touch-action: pan-x;
  background: var(--divider);
  border-radius: 999px;
}

.chord-seek::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-secondary);
  cursor: pointer;
}

.chord-time {
  font-size: 12px;
  color: var(--text-secondary);
  min-width: 90px;
  text-align: right;
}

.chord-speed-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  flex-shrink: 0;
}

.chord-speed-row-label {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 72px;
}

.chord-speed-step {
  min-width: 32px;
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--divider);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.chord-speed-step:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chord-speed-row--compact {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0;
}

.chord-speed-row--compact .chord-speed-slider {
  width: 80px;
  min-width: 64px;
  flex: none;
}

.chord-speed-row--compact .chord-speed-label {
  min-width: 40px;
  font-size: 11px;
}

.cifra-sheet-panel.is-fullscreen .chord-toolbar-transport {
  flex: 1 1 auto;
  justify-content: flex-end;
  margin-right: 8px;
}

.cifra-sheet-panel.is-fullscreen .chord-sheet-expand {
  margin-left: 0;
}

.cifra-sheet-panel.is-fullscreen .chord-font-group {
  display: inline-flex !important;
}

.cifra-sheet-panel.is-fullscreen .chord-speed-row--compact .chord-speed-slider {
  width: 120px;
}

/* ——— YouTube Player na Cifra (Estilo Cifra Club) ——— */

.cifra-yt-selector-card {
  padding: 10px 14px;
  background: var(--surface-elevated);
  border: 1px solid var(--divider);
  border-radius: 12px;
  margin-bottom: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.cifra-yt-selector-buttons-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-yt-select {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--divider);
  background: var(--surface);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s, color 0.15s;
  flex: 1;
  max-width: 240px;
  min-width: 140px;
}

.btn-yt-select:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Player Card */
.cifra-yt-player-card {
  background: var(--surface-elevated);
  border: 1px solid var(--divider);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.cifra-yt-player-hint {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(139, 92, 246, 0.08);
  padding: 6px 12px;
  text-align: center;
  border-top: 1px solid var(--divider);
  letter-spacing: 0.02em;
}

.cifra-yt-player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--surface-elevated);
  border-bottom: 1px solid var(--divider);
}

.cifra-yt-player-header span {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
}

.cifra-yt-player-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-yt-switch-inline {
  padding: 3px 6px;
  font-size: 10px;
  border-radius: 6px;
  border: 1px solid var(--divider);
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 600;
  transition: color 0.15s, border-color 0.15s;
}

.btn-yt-switch-inline:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.btn-yt-close-inline {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  transition: color 0.15s;
}

.btn-yt-close-inline:hover {
  color: var(--accent);
}

.cifra-yt-player-body iframe {
  display: block;
  width: 100%;
  height: 180px;
  border: none;
}

/* Hide active player during full-screen */
.cifra-yt-sidebar-container.is-hidden-fullscreen {
  display: none !important;
}

/* ——— Mini-player (fullscreen mode) ——— */

.cifra-yt-mini-bar {
  display: none;           /* hidden by default */
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 10px;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
}

.cifra-yt-mini-label {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  white-space: nowrap;
}

.cifra-yt-mini-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.12s, background 0.12s;
  flex-shrink: 0;
}

.cifra-yt-mini-btn:hover {
  transform: scale(1.08);
  background: color-mix(in srgb, var(--accent) 85%, white);
}

/* ——— Cifra YT URL row (edit panel) ——— */

.cifra-yt-url-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.cifra-yt-url-row .input-field {
  flex: 1;
  min-width: 0;
}

/* ——— Caixa de Admin YouTube na lateral da Cifra ——— */

.cifra-admin-yt-box {
  margin-top: 14px;
  padding: 14px;
  background: rgba(139, 92, 246, 0.05);
  border: 1px dashed rgba(139, 92, 246, 0.35);
  border-radius: 12px;
}

.cifra-admin-yt-box h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  margin: 0 0 10px;
  color: var(--accent);
  font-weight: 700;
}

.cifra-admin-yt-group {
  margin-bottom: 10px;
}

.cifra-admin-yt-group:last-of-type {
  margin-bottom: 0;
}

.cifra-admin-yt-group label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  font-weight: 600;
}


@media (max-width: 540px) {
  .cifra-yt-frame-slot iframe {
    height: 180px;
  }

  .cifra-yt-mini-bar {
    bottom: 10px;
    right: 10px;
    padding: 5px 10px;
  }
}

.chord-speed-slider {
  flex: 1;
  appearance: none;
  height: 6px;
  background: var(--divider);
  border-radius: 999px;
}

.chord-speed-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-secondary);
  cursor: pointer;
}

.chord-speed-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  min-width: 44px;
  text-align: right;
}

.chord-pitch-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  flex-shrink: 0;
  flex-wrap: nowrap;
}

.chord-pitch-row-label {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 72px;
}

.chord-pitch-step {
  min-width: 32px;
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--divider);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.chord-pitch-step:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chord-pitch-row--compact {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0;
}

.chord-pitch-row--compact .chord-pitch-label {
  min-width: 38px;
  font-size: 11px;
}

.chord-pitch-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-secondary);
  min-width: 44px;
  text-align: center;
}

.chord-pitch-hint {
  margin: -6px 0 0;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.35;
}

.chord-quick-mutes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex-shrink: 0;
}

.chord-quick-mutes button {
  background: var(--primary-subtle);
  border: 1px solid var(--divider);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-primary);
}

.chord-quick-mutes button:hover {
  border-color: var(--type-cifra);
  color: var(--type-cifra);
}

.chord-stem-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
  width: 100%;
}

.chord-stem-row {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 10px;
  align-items: center;
  position: relative;
  width: 100%;
}

.chord-stem-row.is-loading .chord-stem-status {
  color: var(--text-muted);
}

.chord-stem-row.is-ready .chord-stem-status {
  color: #4ade80;
}

.chord-stem-row.is-error .chord-stem-status {
  color: #f87171;
}

.chord-stem-status {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.chord-stem-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  flex-wrap: wrap;
}

.chord-stem-vol {
  width: 100%;
  height: 28px;
  touch-action: pan-x;
  margin: 0;
}

@media (max-width: 900px) {
  .cifra-stem-row {
    grid-template-columns: 1fr;
  }

  .cifra-stem-reorder {
    justify-content: flex-start;
  }

  .cifra-stems-head {
    flex-direction: column;
    align-items: stretch;
  }

  .cifra-stems-head-actions {
    justify-content: flex-start;
  }

  #music-cifra-panel .cifra-stems-section,
  #lesson-cifra-field .cifra-stems-section {
    margin-top: 20px;
    padding-top: 20px;
    clear: both;
  }

  #music-cifra-panel .chord-edit-field,
  #lesson-cifra-field .chord-edit-field {
    min-height: 180px;
    margin-bottom: 4px;
  }

  .chord-stem-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 899px) {
  #lesson-overlay.type-cifra .chord-stem-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  #lesson-overlay.type-cifra .chord-transport {
    flex-direction: column;
    align-items: stretch;
  }

  #lesson-overlay.type-cifra .chord-seek-wrap {
    flex: 1 1 100%;
  }

  #lesson-overlay.type-cifra .lesson-comments-compose {
    flex-direction: column;
  }

  #lesson-overlay.type-cifra .lesson-comments-compose .btn-submit {
    align-self: stretch;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .cifra-stem-row {
    grid-template-columns: 1fr;
  }

  .chord-stem-row {
    grid-template-columns: 1fr;
  }
}

.course-lesson-detail {
  display: none;
}

.lesson-detail-head { margin-bottom: 16px; }
.lesson-detail-head h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  margin-top: 8px;
}

.btn-lesson-action {
  background: var(--accent);
  color: var(--text-inverse);
  border: none;
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 16px;
}

.btn-lesson-action-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary, #e2e8f0);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.lesson-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 16px;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
}

.lesson-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

#toast.celebration {
  background: linear-gradient(135deg, hsl(40, 90%, 55%), var(--accent));
  font-size: 15px;
  padding: 14px 22px;
  bottom: 96px;
}

/* Local data banner */
.local-data-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1000px;
  margin: 0 auto 16px;
  padding: 12px 16px;
  background: var(--primary-subtle);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: 12px;
  font-size: 13px;
}

.local-data-banner-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.local-data-banner-text span { color: var(--text-secondary); }

.local-data-banner-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-banner {
  background: var(--surface);
  border: 1px solid var(--divider);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.btn-banner:hover { border-color: var(--accent); color: var(--accent); }

.btn-banner-dismiss {
  padding: 6px 10px;
  line-height: 1;
}

.backup-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 20px;
  margin-top: 16px;
}

.backup-card p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 8px 0 14px;
  line-height: 1.5;
}

.backup-actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* Player speed slider */
.player-speed-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.player-speed-row label {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 72px;
}

#player-speed-slider {
  flex: 1;
  appearance: none;
  height: 6px;
  background: var(--divider);
  border-radius: 999px;
}

#player-speed-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-secondary);
  cursor: pointer;
}

.player-volume-row label {
  min-width: 64px;
}

.player-vol-btn {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--divider);
  background: var(--input-bg);
  color: var(--text-primary);
  border-radius: 10px;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.player-vol-btn.muted {
  opacity: 0.55;
}

.player-vol-label {
  flex: 0 0 42px;
  font-size: 11px;
  color: var(--text-secondary);
  text-align: right;
}

#player-music-vol-slider,
#player-met-vol-slider {
  flex: 1;
  appearance: none;
  height: 6px;
  background: var(--divider);
  border-radius: 999px;
}

#player-music-vol-slider::-webkit-slider-thumb,
#player-met-vol-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-secondary);
  cursor: pointer;
}

/* Lesson completion gate */
.lesson-progress-hint {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 8px;
  line-height: 1.45;
}

.btn-lesson-action:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-lesson-action.ready {
  box-shadow: 0 4px 16px var(--primary-glow);
}

.lesson-view-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  max-height: 280px;
  overflow-y: auto;
  padding-right: 6px;
}

.lesson-video-wrap iframe,
.lesson-video-wrap #lesson-yt-player,
.lesson-video-wrap #lesson-yt-player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Module complete celebration */
.path-module-card.module-just-completed {
  animation: modulePulse 1.2s ease 2;
  border-color: var(--accent-warm) !important;
  box-shadow: 0 0 24px hsla(40, 90%, 60%, 0.35);
}

@keyframes modulePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

#confetti-root {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  top: -12px;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  opacity: 0.95;
  animation: confettiFall 3.2s ease-in forwards;
}

@keyframes confettiFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% {
    transform: translateY(100vh) rotate(720deg) translateX(calc(var(--drift) * 120px));
    opacity: 0;
  }
}

.lesson-complete-row {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--divider);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.lesson-done-badge {
  color: var(--progress-green);
  font-weight: 700;
  font-size: 14px;
}

.star-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.star-picker span { font-size: 13px; color: var(--text-secondary); }

.star-btn {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--accent);
  font-size: 12px;
}

.star-btn:hover { border-color: var(--accent); }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  cursor: pointer;
}

.cover-upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.btn-cover-upload {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.cover-filename {
  font-size: 12px;
  color: var(--text-secondary);
}

.cover-preview {
  margin-top: 10px;
}

.cover-preview img {
  max-width: 100%;
  max-height: 140px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--divider);
}

.cover-focus-wrap {
  margin-top: 12px;
}

.cover-focus-wrap.hidden {
  display: none !important;
}

.cover-focus-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 8px;
}

.cover-focus-frame {
  position: relative;
  width: 100%;
  max-width: 360px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--divider);
  background: #0a0a0a;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
}

.cover-focus-frame--course {
  aspect-ratio: 16 / 10;
}

.cover-focus-frame--lesson {
  aspect-ratio: 16 / 10;
}

.cover-focus-frame--music-tile {
  aspect-ratio: 5 / 7;
  max-width: 150px;
}

.cover-focus-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  pointer-events: none;
}

.cover-focus-img--broken {
  opacity: 0.15;
}

.cover-focus-error {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 82, 82, 0.12);
  border: 1px solid rgba(255, 82, 82, 0.35);
  color: #ffb4b4;
  font-size: 13px;
  line-height: 1.45;
}

.cover-focus-error.hidden {
  display: none;
}

.cover-focus-marker.hidden {
  display: none;
}

.cover-focus-marker {
  position: absolute;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.cover-focus-marker::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.cover-focus-sliders {
  display: grid;
  gap: 8px;
  margin-top: 10px;
  max-width: 360px;
}

.cover-focus-slider {
  display: grid;
  grid-template-columns: 88px 1fr;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.cover-focus-slider input[type='range'] {
  width: 100%;
  accent-color: var(--accent);
}

.lesson-auto-hint {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
  min-width: 200px;
}

.lesson-done-badge small {
  font-size: 11px;
  opacity: 0.75;
  font-weight: 500;
}

/* TUNER OVERLAY */
#tuner-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--dark-bg);
  flex-direction: column;
}

#tuner-overlay.active { display: flex; }

.tuner-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--divider);
  background: var(--surface);
}

.tuner-topbar h2 {
  font-size: 16px;
  font-family: 'Outfit', sans-serif;
}

.tuner-overlay-body {
  flex: 1;
  overflow-y: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px 32px;
}

/* TUNER PANEL */
.tuner-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 18px;
  padding: 20px;
  width: 100%;
  max-width: 420px;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.tuner-card.listening {
  border-color: rgba(139, 92, 246, 0.35);
}

.tuner-card.in-tune {
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 0 24px rgba(16, 185, 129, 0.15);
}

.tuner-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.tuner-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  margin-bottom: 4px;
}

.tuner-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
}

.btn-tuner-toggle {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--text-inverse);
  border: none;
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.btn-tuner-toggle:disabled {
  opacity: 0.65;
  cursor: wait;
}

.btn-tuner-toggle.active {
  background: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--divider);
}

.tuner-display {
  text-align: center;
  padding: 8px 0 4px;
}

.tuner-note-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
}

.tuner-intune-dot {
  position: absolute;
  top: 8px;
  right: -20px;
  color: var(--progress-green);
  font-size: 18px;
  opacity: 0;
  transition: opacity 0.2s;
}

.tuner-card.in-tune .tuner-intune-dot {
  opacity: 1;
}

.tuner-note {
  font-family: 'Outfit', sans-serif;
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.tuner-card.in-tune .tuner-note {
  color: var(--progress-green);
}

.tuner-freq {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 8px 0 18px;
}

.tuner-meter {
  max-width: 320px;
  margin: 0 auto 12px;
}

.tuner-meter-track {
  position: relative;
  height: 10px;
  background: var(--input-bg);
  border-radius: 999px;
  overflow: visible;
}

.tuner-meter-mark {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 3px;
  background: var(--progress-green);
  border-radius: 999px;
  transform: translateX(-50%);
}

.tuner-meter-mark.center { left: 50%; }

.tuner-meter-needle {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-left: -7px;
  margin-top: -7px;
  border-radius: 50%;
  background: var(--accent-secondary);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
  transition: left 0.12s ease-out;
}

.tuner-card.in-tune .tuner-meter-needle {
  background: var(--progress-green);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.tuner-meter-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 8px;
  padding: 0 4px;
}

.tuner-cents {
  font-size: 14px;
  font-weight: 600;
  min-height: 22px;
  color: var(--accent-warm);
}

.tuner-card.in-tune .tuner-cents {
  color: var(--progress-green);
}

.tuner-strings {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 18px;
}

.tuner-string {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 12px;
  min-width: 52px;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: border-color 0.2s, background 0.2s;
}

.tuner-string span {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 800;
}

.tuner-string small {
  font-size: 10px;
  color: var(--text-secondary);
}

.tuner-string.active {
  background: var(--primary-muted);
  border-color: var(--accent);
  color: var(--accent);
}

.tuner-string.active small { color: var(--accent); }

.tuner-status {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.45;
}

/* METRONOME OVERLAY */
#metronome-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--dark-bg);
  flex-direction: column;
}

#metronome-overlay.active { display: flex; }

.metronome-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 18px;
  padding: 20px;
  width: 100%;
  max-width: 420px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.metronome-card.running {
  border-color: rgba(139, 92, 246, 0.35);
}

.metronome-card.pulse {
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.12);
}

.metronome-bpm-display {
  font-family: 'Outfit', sans-serif;
  font-size: 64px;
  font-weight: 700;
  text-align: center;
  line-height: 1;
  color: var(--accent);
  margin-top: 8px;
}

.metronome-bpm-label {
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  margin: 4px 0 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metronome-bpm-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.metronome-bpm-controls input[type='range'] {
  flex: 1;
  accent-color: var(--accent);
}

.metronome-bpm-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--divider);
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.metronome-bpm-input-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.metronome-bpm-input-row label {
  font-size: 13px;
  color: var(--text-secondary);
}

.metronome-bpm-input-row .input-field {
  width: 88px;
  text-align: center;
}

.metronome-time-row {
  margin-bottom: 18px;
}

.metronome-beat-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  min-height: 28px;
  margin-bottom: 8px;
}

.metronome-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--input-bg);
  border: 1px solid var(--divider);
  transition: transform 0.1s, background 0.1s, border-color 0.1s;
}

.metronome-dot.accent {
  width: 18px;
  height: 18px;
}

.metronome-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.15);
}

.metronome-dot.accent.active {
  background: var(--progress-green);
  border-color: var(--progress-green);
}

/* ARRANGEMENTS — META, TAXONOMY, CARDS */
.arr-upload-meta {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}

.arr-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.taxonomy-panel {
  margin-bottom: 20px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 12px 14px;
}

.taxonomy-panel summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.taxonomy-panel-desc {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.taxonomy-col--full {
  grid-column: 1 / -1;
}

.taxonomy-count {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

.taxonomy-manager--artists {
  display: block;
}

.taxonomy-manager {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.taxonomy-col strong {
  display: block;
  font-size: 12px;
  margin-bottom: 8px;
  color: var(--accent);
}

.taxonomy-list {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
}

.taxonomy-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  border-bottom: 1px solid var(--divider);
  font-size: 13px;
}

.taxonomy-label {
  flex: 1;
  min-width: 0;
}

.taxonomy-edit-input {
  flex: 1;
  min-width: 0;
  padding: 4px 8px;
  font-size: 13px;
}

.taxonomy-edit,
.taxonomy-save,
.taxonomy-cancel,
.taxonomy-remove {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-secondary);
  border-radius: 6px;
  min-width: 32px;
  min-height: 32px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  line-height: 1;
  flex-shrink: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.taxonomy-save {
  border-color: rgba(82, 183, 136, 0.45);
  color: var(--accent);
}

.taxonomy-cancel {
  border-color: rgba(255, 255, 255, 0.12);
}

.taxonomy-remove {
  border-color: rgba(255, 82, 82, 0.35);
  color: #ff5252;
}

.taxonomy-add {
  display: flex;
  gap: 8px;
}

.taxonomy-add .input-field {
  flex: 1;
  padding: 8px 10px;
  font-size: 13px;
}

.arr-filters-wrap {
  margin-bottom: 20px;
}

.arr-filter-groups {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.arr-search-wrap {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--divider);
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 420px;
}

.arr-search-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.arr-search-wrap .input-field {
  width: 100%;
}

.arr-filters-wrap .filter-chips {
  margin-bottom: 8px;
}

.filter-group-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-right: 6px;
  align-self: center;
}

.arr-track-section {
  margin-bottom: 28px;
}

.arr-track-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.arr-track-title {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
}

.arr-track-count {
  font-size: 12px;
  color: var(--text-secondary);
}

.arr-card-grid,
.arr-pick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.arr-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 14px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
  text-align: left;
  color: inherit;
  width: 100%;
}

.arr-card:hover {
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-2px);
}

.arr-card.locked { opacity: 0.65; }

.btn-favorite {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--divider);
  background: var(--surface-elevated);
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, border-color 0.15s, transform 0.12s;
}

.btn-favorite:hover {
  border-color: rgba(139, 92, 246, 0.5);
  color: var(--accent);
}

.btn-favorite.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.12);
}

.arr-card-pick .btn-favorite {
  display: none;
}

.arr-card-pick.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.arr-card-top {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  min-height: 22px;
}

.arr-card-style-tag {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  background: rgba(59, 130, 246, 0.12);
  padding: 3px 8px;
  border-radius: 999px;
}

.arr-card h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  margin-bottom: 4px;
  line-height: 1.2;
}

.arr-card-artist {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.arr-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.type-chip {
  font-size: 10px;
  font-weight: 700;
  background: var(--primary-muted);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

.arr-card-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.arr-card-selected {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}

.gp-editor-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.gp-tab {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--divider);
  color: var(--text-secondary);
  border-radius: 10px;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.gp-tab.active {
  background: var(--primary-muted);
  border-color: var(--accent);
  color: var(--accent);
}

.gp-tab-panel.hidden { display: none; }

.gp-library-hint {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.arr-pick-grid {
  max-height: 280px;
  overflow-y: auto;
  margin-top: 10px;
}

@media (min-width: 801px) {
  .level-bar { bottom: 0; left: 260px; right: 0; }
  .content-area { padding-bottom: 120px; }
}

.mobile-only { display: none !important; }

@media (max-width: 800px) {
  .mobile-only { display: flex !important; }
  .level-bar {
    bottom: var(--vgh-bottom-bar-h, calc(64px + env(safe-area-inset-bottom, 0px)));
    left: 0;
    right: 0;
  }
  #dashboard-screen {
    --vgh-level-bar-h: 72px;
    --vgh-bottom-bar-h: calc(64px + env(safe-area-inset-bottom, 0px));
  }
  .content-area {
    padding-bottom: calc(var(--vgh-level-bar-h) + var(--vgh-bottom-bar-h) + 24px);
  }
  .topbar-admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--divider);
    background: var(--surface-elevated);
    border-radius: 10px;
    width: 40px;
    height: 40px;
    font-size: 18px;
    cursor: pointer;
    flex-shrink: 0;
    margin-left: auto;
    margin-right: 8px;
  }
  .topbar-admin-btn.hidden { display: none !important; }
  .bottom-bar .bottom-item {
    font-size: 10px;
    min-width: 0;
    flex: 1;
    padding: 0 2px;
  }
  .bottom-bar .bottom-item svg {
    width: 20px;
    height: 20px;
  }
  .bottom-item-admin { color: var(--accent); }
  .admin-header {
    padding: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
  }
  .admin-header-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .admin-header-actions .btn-edit-inline {
    width: 100%;
    justify-content: center;
  }
}

.topbar-admin-btn {
  display: none;
}

/* Admin panel + cloud badge */
#admin-screen {
  min-height: 100vh;
  background: var(--dark-bg);
  color: var(--text-primary);
}

#admin-screen.hidden,
#dashboard-screen.hidden,
#login-screen.hidden {
  display: none !important;
}

.admin-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px;
  border-bottom: 1px solid var(--divider);
  background: var(--surface);
}

.admin-header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  margin-bottom: 6px;
}

.admin-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

.admin-publish-status {
  margin: 0 24px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.admin-publish-status.hidden {
  display: none;
}

.admin-publish-status--pending {
  background: rgba(30, 136, 229, 0.12);
  border: 1px solid rgba(30, 136, 229, 0.35);
  color: #90caf9;
}

.admin-publish-status--success {
  background: rgba(46, 125, 50, 0.14);
  border: 1px solid rgba(76, 175, 80, 0.45);
  color: #a5d6a7;
}

.admin-publish-status--error {
  background: rgba(198, 40, 40, 0.14);
  border: 1px solid rgba(229, 57, 53, 0.45);
  color: #ef9a9a;
}

@media (max-width: 800px) {
  .admin-publish-status {
    margin: 0 16px 8px;
    font-size: 13px;
  }
}

.admin-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.admin-section {
  margin-bottom: 32px;
}

.admin-section h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  margin-bottom: 6px;
}

.admin-section-desc {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 14px;
}

.admin-section-head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.admin-section-head-row .admin-section-desc {
  margin-bottom: 0;
}

.admin-inbox-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  margin-left: 6px;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  vertical-align: middle;
}

.admin-inbox-badge.hidden {
  display: none !important;
}

.topbar-admin-btn {
  position: relative;
}

.topbar-admin-btn .admin-inbox-badge {
  position: absolute;
  top: -4px;
  right: -6px;
  margin-left: 0;
  min-width: 16px;
  height: 16px;
  font-size: 10px;
}

.nav-item .admin-inbox-badge {
  margin-left: 8px;
}

.admin-signup-inbox-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-signup-inbox-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--divider);
  background: var(--surface);
}

.admin-signup-inbox-item--unread {
  border-color: rgba(139, 92, 246, 0.45);
  background: rgba(139, 92, 246, 0.08);
}

.admin-signup-inbox-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.admin-signup-inbox-main strong {
  font-size: 14px;
}

.admin-signup-inbox-main span {
  font-size: 13px;
  color: var(--text-secondary);
  word-break: break-word;
}

.admin-signup-inbox-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.admin-signup-inbox-tag {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.15);
  color: #93c5fd;
  font-weight: 700;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--divider);
}

.admin-table th {
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-plan-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-plan-select {
  background: var(--input-bg);
  border: 1px solid var(--divider);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 13px;
  padding: 6px 10px;
  min-width: 120px;
  cursor: pointer;
}

.admin-plan-hint {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}

#cloud-mode-badge {
  color: var(--accent);
}

#cloud-mode-badge.local {
  color: var(--text-secondary);
}

.teacher-only.hidden {
  display: none !important;
}

.cloud-only.hidden {
  display: none !important;
}

.bottom-bar.hidden,
#level-bar.hidden {
  display: none !important;
}

/* ——— Fórum / Comunidade ——— */
.forum-thread-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.forum-thread-row:hover {
  border-color: var(--accent);
  background: var(--surface-elevated);
}

.forum-thread-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.forum-thread-main strong {
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.forum-thread-main span {
  font-size: 12px;
  color: var(--text-secondary);
}

.forum-thread-meta {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.forum-back-btn {
  background: transparent;
  border: none;
  color: var(--accent);
  font-size: 14px;
  cursor: pointer;
  margin-bottom: 16px;
  padding: 0;
}

.forum-post {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
}

.forum-post-op {
  border-color: rgba(139, 92, 246, 0.35);
}

.forum-post-compact {
  padding: 10px 12px;
  margin-bottom: 8px;
}

.forum-post-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}

.forum-post-head strong {
  font-size: 14px;
}

.forum-post-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

.forum-post-body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-primary);
  word-break: break-word;
}

.forum-post-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.forum-reply-box {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.forum-reply-box .btn-submit {
  align-self: flex-end;
  width: auto;
  min-width: 140px;
}

.forum-mod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.lesson-comments-panel {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--divider);
}

.lesson-comments-head {
  margin-bottom: 12px;
}

.lesson-comments-compose {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lesson-comments-compose .btn-submit {
  align-self: flex-end;
  width: auto;
  min-width: 120px;
}

@media (max-width: 600px) {
  .forum-mod-actions .btn-edit-inline {
    font-size: 11px;
    padding: 4px 8px;
  }

  .bottom-bar .bottom-item {
    font-size: 10px;
  }
}

/* ——— Suporte ——— */
.btn-support-sidebar {
  width: 100%;
  margin-bottom: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--divider);
  background: var(--surface);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-support-sidebar:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.support-modal-card {
  max-width: 420px;
}

.support-modal-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 20px;
  line-height: 1.5;
}

.support-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.support-contact-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--surface-elevated);
  border-radius: 10px;
  border: 1px solid var(--divider);
}

.support-contact-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.support-contact-value {
  font-size: 15px;
  color: var(--text-primary);
  word-break: break-all;
}

.support-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.support-actions .btn-submit {
  text-align: center;
  text-decoration: none;
  display: block;
}

.support-btn-email {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: #121110;
}

.support-btn-whatsapp {
  background: #25d366;
  color: #fff;
  border: none;
}

.support-btn-whatsapp:hover {
  filter: brightness(1.05);
}

.support-close-btn {
  width: 100%;
  justify-content: center;
}

.settings-item .arr-details p {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.settings-item--update-ready {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}

.settings-item--update-ready .arr-details h4 {
  color: var(--accent);
}

body.app-update-visible {
  padding-top: 52px;
}

.catalog-update-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10040;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 14px;
  padding: 10px 16px;
  background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
  border-bottom: 1px solid rgba(96, 165, 250, 0.55);
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

body.app-update-visible .catalog-update-banner:not(.hidden) {
  top: 52px;
}

body.catalog-update-visible:not(.app-update-visible) {
  padding-top: 52px;
}

body.app-update-visible.catalog-update-visible {
  padding-top: 104px;
}

.catalog-update-banner.hidden {
  display: none !important;
}

.catalog-update-banner-text {
  font-size: 14px;
  font-weight: 600;
}

.catalog-update-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-update-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10050;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 14px;
  padding: 10px 16px;
  background: linear-gradient(180deg, #1a1816 0%, #121110 100%);
  border-bottom: 1px solid var(--accent);
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.app-update-banner.hidden {
  display: none !important;
}

.app-update-banner-text {
  font-size: 14px;
  font-weight: 600;
}

.app-update-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-update-dismiss {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  padding: 6px 10px;
}

.app-update-dismiss:hover {
  color: var(--text-primary);
}

.legal-footer-links {
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  text-align: center;
}

.legal-footer-links a {
  color: var(--accent);
  text-decoration: none;
}

.legal-footer-links a:hover {
  text-decoration: underline;
}

.legal-accept-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
  cursor: pointer;
}

.legal-accept-row input {
  margin-top: 3px;
  flex-shrink: 0;
}

.legal-accept-row a {
  color: var(--accent);
  text-decoration: none;
}

.legal-inline-links a {
  color: var(--accent);
  text-decoration: none;
}

.legal-inline-links a:hover {
  text-decoration: underline;
}

.plans-legal-note {
  margin-top: 18px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  text-align: center;
}

.plans-update-notice {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(139, 92, 246, 0.35);
  background: rgba(139, 92, 246, 0.08);
}

.plans-update-notice strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-primary);
}

.plans-update-notice p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.plans-update-btn {
  width: 100%;
  justify-content: center;
}

.legal-modal-card,
.faq-modal-card {
  max-width: 560px;
  max-height: min(88vh, 760px);
  display: flex;
  flex-direction: column;
}

.legal-doc-body {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 16px;
  padding-right: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.legal-doc-body h4 {
  color: var(--text-primary);
  font-size: 14px;
  margin: 18px 0 8px;
  font-family: 'Outfit', sans-serif;
}

.legal-doc-body h4:first-of-type {
  margin-top: 0;
}

.legal-doc-body ul {
  margin: 0 0 12px 18px;
}

.legal-doc-body li {
  margin-bottom: 6px;
}

.legal-doc-body a {
  color: var(--accent);
}

.legal-updated,
.legal-note {
  font-size: 12px;
  color: var(--text-secondary);
}

.legal-close-btn {
  align-self: flex-end;
}

.faq-modal-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 14px;
}

.faq-list {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 12px;
}

.faq-item {
  border: 1px solid var(--divider);
  border-radius: 10px;
  margin-bottom: 8px;
  background: var(--surface-elevated);
}

.faq-item summary {
  cursor: pointer;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  float: right;
  color: var(--accent);
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.faq-legal-links {
  margin: 0 0 12px;
  text-align: left;
}

.admin-analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 10px;
}

.admin-analytic-card {
  background: var(--surface-elevated);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-analytic-value {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.admin-analytic-label {
  font-size: 11px;
  line-height: 1.35;
  color: var(--text-secondary);
}

.admin-analytics-note {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}

.admin-access-table {
  max-width: 560px;
}

.admin-access-table th:nth-child(n + 2),
.admin-access-table td:nth-child(n + 2) {
  text-align: center;
  width: 72px;
}

.admin-access-pro {
  color: var(--accent);
  font-weight: 700;
}

.admin-access-open {
  color: #4ade80;
  font-weight: 700;
}

.admin-access-empty {
  text-align: center;
  color: var(--text-secondary);
  font-style: italic;
}

.legal-menu-intro {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.legal-menu-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal-menu-btn {
  width: 100%;
  justify-content: center;
  text-align: center;
}

.admin-last-access {
  white-space: nowrap;
  font-size: 13px;
  color: var(--text-secondary);
}

.admin-students-wrap {
  overflow-x: auto;
}

.admin-students-table {
  min-width: 920px;
}

.admin-name-cell {
  min-width: 200px;
}

.admin-student-name {
  font-size: 13px;
  padding: 6px 10px;
  margin-bottom: 6px;
}

.admin-name-save {
  font-size: 12px;
  padding: 4px 10px;
}

.admin-student-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  white-space: nowrap;
}

.admin-student-actions .btn-edit-inline {
  font-size: 12px;
  padding: 5px 10px;
}

.admin-student-delete {
  color: #ff5252;
  border-color: rgba(255, 82, 82, 0.45);
}

.admin-student-delete:hover {
  background: rgba(255, 82, 82, 0.12);
}

/* ——— Remoção de cifras em lote (admin) ——— */

.bulk-delete-cifras-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface-elevated);
  border: 1px solid var(--divider);
  border-radius: 12px;
  margin-bottom: 16px;
}

.bulk-delete-cifras-selectall {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  user-select: none;
}

.bulk-delete-cifras-selectall input[type='checkbox'] {
  width: 17px;
  height: 17px;
  cursor: pointer;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.bulk-delete-confirm-btn {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.bulk-delete-confirm-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

.bulk-delete-cifras-groups {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* --- Grupos por Letra na Exclusão em Lote --- */

.bulk-delete-letter-group {
  border: 1px solid var(--divider);
  border-radius: 12px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.bulk-delete-letter-group[open] {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.08);
}

.bulk-delete-letter-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  user-select: none;
  background: var(--surface-elevated);
  transition: background 0.15s;
}

.bulk-delete-letter-summary::-webkit-details-marker,
.bulk-delete-letter-summary::marker {
  color: var(--accent);
}

.bulk-delete-letter-summary:hover {
  background: rgba(255, 255, 255, 0.03);
}

.bulk-letter-title {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: var(--accent);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139, 92, 246, 0.15);
  border-radius: 8px;
}

.bulk-letter-count {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.bulk-delete-letter-content {
  padding: 16px;
  border-top: 1px solid var(--divider);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 12px;
}


.bulk-delete-artist-group {
  border: 1px solid var(--divider);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
  transition: border-color 0.15s;
}

.bulk-delete-artist-group:has(.bulk-delete-artist-check:checked),
.bulk-delete-artist-group:has(.bulk-delete-cifra-check:checked) {
  border-color: rgba(139, 92, 246, 0.4);
  background: rgba(139, 92, 246, 0.04);
}

.bulk-delete-artist-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--divider);
  background: var(--surface-elevated);
  user-select: none;
  transition: background 0.15s;
}

.bulk-delete-artist-label:hover {
  background: rgba(139, 92, 246, 0.07);
}

.bulk-delete-artist-label input[type='checkbox'] {
  width: 17px;
  height: 17px;
  cursor: pointer;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.bulk-delete-artist-name {
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bulk-delete-artist-count {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.bulk-delete-cifra-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.bulk-delete-cifra-item {
  border-bottom: 1px solid var(--divider);
  transition: background 0.12s;
}

.bulk-delete-cifra-item:last-child {
  border-bottom: none;
}

.bulk-delete-cifra-item.is-checked {
  background: rgba(139, 92, 246, 0.07);
}

.bulk-delete-cifra-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 42px;
  cursor: pointer;
  user-select: none;
}

.bulk-delete-cifra-label:hover {
  background: rgba(255, 255, 255, 0.03);
}

.bulk-delete-cifra-label input[type='checkbox'] {
  width: 15px;
  height: 15px;
  cursor: pointer;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.bulk-delete-cifra-title {
  font-size: 14px;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bulk-delete-cifra-tag {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.18);
  color: var(--accent);
  flex-shrink: 0;
}

@media (max-width: 520px) {
  .bulk-delete-cifras-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .bulk-delete-confirm-btn {
    text-align: center;
    justify-content: center;
  }

  .bulk-delete-cifra-label {
    padding-left: 32px;
  }
}

.notify-panel-desc,
.notify-panel-status {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

.notify-pref-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-primary);
  margin: 8px 0;
  cursor: pointer;
}

.notify-log {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--divider);
}

.notify-log-item {
  margin-top: 10px;
}

.notify-log-item span {
  font-size: 11px;
  color: var(--text-secondary);
}

.notify-log-item p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-primary);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* —— Músicas (estilo Yousician) —— */
.music-tab {
  padding-bottom: 32px;
}

.music-hub-header {
  margin-bottom: 18px;
}

.music-hub-header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.music-hub-sub {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-secondary);
}

.music-hub-toolbar {
  margin-bottom: 22px;
}

.music-search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 999px;
  padding: 0 16px;
  max-width: 520px;
}

.music-search-icon {
  font-size: 15px;
  opacity: 0.7;
}

.music-search-input {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  font-size: 15px;
  padding: 12px 0;
  outline: none;
}

.music-search-input::placeholder {
  color: var(--text-secondary);
}

.music-advanced-filters {
  margin-top: 12px;
}

.music-advanced-filters summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  list-style: none;
}

.music-advanced-filters summary::-webkit-details-marker {
  display: none;
}

.music-advanced-filters[open] summary {
  margin-bottom: 10px;
  color: var(--accent);
}

.music-hub {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.music-hub-empty {
  padding: 24px 0;
}

.music-rail-section {
  min-width: 0;
}

.music-rail-head {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  margin-bottom: 14px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.music-rail-head:hover {
  color: var(--accent);
}

.music-rail-chevron {
  font-size: 22px;
  line-height: 1;
  color: var(--text-secondary);
}

.music-rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 6px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.music-rail::-webkit-scrollbar {
  height: 6px;
}

.music-rail::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
}

.music-rail .music-tile {
  scroll-snap-align: start;
  flex-shrink: 0;
}

.music-rail-wrap {
  flex-wrap: wrap;
  overflow: visible;
  scroll-snap-type: none;
}

.music-more-tile {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.music-more-tile-bg {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.12) 100%);
}

.music-more-icon {
  font-size: 36px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
}

.music-more-tile .music-tile-label {
  font-size: 14px;
}

.music-rail-modal-card {
  width: min(920px, 94vw);
  max-height: min(85vh, 820px);
  display: flex;
  flex-direction: column;
}

.music-rail-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.music-rail-modal-head h3 {
  margin: 0;
  font-family: 'Outfit', sans-serif;
  font-size: clamp(18px, 2.5vw, 22px);
}

.music-rail-modal-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.music-rail-modal-search {
  width: 100%;
  margin-bottom: 12px;
}

.music-rail-modal-empty {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 14px;
}

.music-rail-modal-grid {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.music-tile {
  --music-tile-w: clamp(120px, 16vw, 150px);
  --music-tile-h: clamp(170px, 22vw, 210px);
  position: relative;
  width: var(--music-tile-w);
  height: var(--music-tile-h);
  border: 0;
  border-radius: 16px;
  padding: 0;
  overflow: hidden;
  color: #fff;
  cursor: pointer;
  text-align: left;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button.music-tile,
div.music-tile {
  font: inherit;
}

.music-tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35), inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.music-tile.locked {
  opacity: 0.78;
}

.music-tile-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.music-tile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.music-tile-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 800;
  opacity: 0.9;
}

.music-tile-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 35%, rgba(0, 0, 0, 0.82) 100%);
  pointer-events: none;
}

.music-genre-tile .music-tile-shade,
.music-playtype-tile .music-tile-shade {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.55) 100%);
}

.music-genre-tile,
.music-playtype-tile {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 16px;
}

.music-genre-tile .music-tile-label,
.music-genre-tile .music-tile-sub,
.music-playtype-tile .music-tile-label {
  position: relative;
  z-index: 2;
}

.music-tile-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px 14px;
  z-index: 2;
  pointer-events: none;
}

.music-tile-label {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.music-genre-tile .music-tile-label {
  font-size: 18px;
}

.music-tile-sub,
.music-tile-tag {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.25;
  opacity: 0.9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-tile-tag {
  margin-top: 2px;
  font-size: 10px;
  opacity: 0.78;
}

.music-tile-fav {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 3;
  width: 30px;
  height: 30px;
  font-size: 14px;
  background: rgba(0, 0, 0, 0.45);
  border-color: rgba(255, 255, 255, 0.15);
}

.music-tile-badge {
  position: absolute;
  z-index: 3;
  font-size: 10px;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
}

.music-tile-lock {
  top: 8px;
  left: 8px;
}

.music-tile-pro {
  left: 8px;
  bottom: 8px;
  top: auto;
  color: var(--accent);
}

.music-tile-audio {
  right: 8px;
  bottom: 8px;
  top: auto;
  left: auto;
  font-size: 14px;
  padding: 3px 6px;
  line-height: 1;
}

.music-tile-reviewed {
  right: 8px;
  bottom: 8px;
  top: auto;
  left: auto;
  font-size: 14px;
  padding: 3px 6px;
  line-height: 1;
}

.music-song-tile:has(.music-tile-audio) .music-tile-reviewed {
  right: 44px;
}

.music-song-tile:has(.music-tile-pro) .music-tile-audio {
  right: 8px;
  bottom: 34px;
}

.music-song-tile:has(.music-tile-pro):has(.music-tile-audio) .music-tile-reviewed {
  right: 44px;
  bottom: 34px;
}

.music-song-tile:has(.music-tile-pro):not(:has(.music-tile-audio)) .music-tile-reviewed {
  bottom: 34px;
}

.music-song-teacher {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  z-index: 4;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  pointer-events: auto;
}

.music-song-teacher .btn-edit-inline,
.music-song-teacher .btn-delete-upload {
  font-size: 10px;
  padding: 3px 6px;
  background: rgba(0, 0, 0, 0.65);
}

.music-cover-preview img {
  max-width: 140px;
  border-radius: 12px;
  margin-top: 8px;
}

.music-cover-field {
  margin-top: 8px;
}

.music-category-cover-panel {
  margin-bottom: 16px;
}

.music-category-cover-panel.hidden {
  display: none;
}

.hub-visual-row-compact {
  margin-bottom: 0;
}

.hub-visual-row-compact .form-hint {
  margin-top: 8px;
  margin-bottom: 0;
}

.hub-visuals-title {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  margin-bottom: 6px;
}

.hub-visuals-group {
  margin-top: 16px;
}

.hub-visuals-group > strong {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--accent);
}

.hub-visual-row {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
}

.hub-visual-row-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}

.hub-visual-row-id {
  font-size: 11px;
  color: var(--text-secondary);
}

.hub-visual-preview {
  margin-top: 8px;
}

.hub-visual-preview-img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.hub-visual-row .cover-upload-row {
  flex-wrap: wrap;
  gap: 8px;
}

.hub-visual-row .hub-visual-url {
  flex: 1;
  min-width: 160px;
  font-size: 13px;
  padding: 8px 10px;
}

.music-filtered-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 18px;
}

.music-back-btn {
  border: 1px solid var(--divider);
  background: var(--surface);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.music-back-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.music-filtered-label {
  font-size: 14px;
  font-weight: 700;
}

.music-filtered-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-secondary);
}

.music-filtered-bar--artist {
  align-items: flex-start;
}

.music-artist-page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  flex: 1;
  min-width: 0;
}

.music-artist-page-head--editing {
  align-items: center;
}

.music-artist-page-titles {
  min-width: 0;
}

.music-artist-page-kicker {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}

.music-artist-page-name {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
  font-weight: 700;
}

.music-artist-page-edit {
  border: 1px solid var(--divider);
  background: var(--surface);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
}

.music-artist-page-edit:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.music-artist-page-input {
  flex: 1;
  min-width: 140px;
  max-width: 320px;
  font-size: 16px;
  padding: 8px 12px;
}

@media (max-width: 720px) {
  .music-search-bar {
    max-width: none;
  }

  .music-filtered-count {
    width: 100%;
    margin-left: 0;
  }
}

/* Playlists (local) */
.playlists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  margin-top: 8px;
}

.playlist-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 18px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.playlist-card:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.playlist-card-icon {
  font-size: 28px;
  line-height: 1;
}

.playlist-card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
}

.playlist-card-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

.playlists-detail-head {
  flex-wrap: wrap;
  gap: 12px;
}

.playlists-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.playlist-track-item {
  position: relative;
  flex: 0 0 auto;
}

.playlist-track-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 5;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.playlist-picker-tile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  margin-bottom: 8px;
}

.playlist-picker-tile.hidden {
  display: none;
}

.playlist-picker-tile--added {
  opacity: 0.72;
}

.playlist-picker-cover {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.playlist-picker-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.playlist-picker-info strong {
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.playlist-picker-info span {
  font-size: 12px;
  color: var(--text-secondary);
}

.playlist-picker-tag {
  font-size: 11px !important;
  color: var(--primary) !important;
}

.playlist-picker-add.added,
.playlist-picker-add:disabled {
  opacity: 0.65;
  cursor: default;
}

#playlist-picker-grid {
  display: block;
  max-height: min(58vh, 520px);
  overflow-y: auto;
  margin-top: 12px;
}

.music-submit-toolbar {
  display: flex;
  gap: 10px;
  margin: 0 0 16px;
  flex-wrap: wrap;
}

.cifra-submit-card {
  max-width: 640px;
  max-height: min(92vh, 900px);
  overflow: auto;
}

.cifra-submit-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.cifra-submit-my-list {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--divider);
}

.cifra-submit-my-title {
  font-size: 14px;
  margin: 0 0 10px;
  color: var(--text-secondary);
}

.cifra-submit-my-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.cifra-submit-my-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--divider);
  font-size: 13px;
}

.cifra-submit-my-item span {
  color: var(--text-secondary);
  font-size: 12px;
}

.cifra-submit-my-item--approved span { color: #10b981; }
.cifra-submit-my-item--rejected span { color: #f87171; }
.cifra-submit-my-item--pending span { color: #fbbf24; }

.cifra-review-note {
  margin: 0;
  color: #f87171 !important;
}

.cifra-admin-card {
  border: 1px solid var(--divider);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.cifra-admin-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.cifra-admin-card h4 {
  margin: 0 0 4px;
  font-size: 16px;
}

.cifra-admin-meta {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.cifra-admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.cifra-admin-preview {
  margin-top: 12px;
  max-height: 280px;
  overflow: auto;
  border-radius: 10px;
  border: 1px solid var(--divider);
  background: rgba(0, 0, 0, 0.2);
}

.cifra-admin-preview-body {
  padding: 12px;
  font-size: 13px;
}

.cifra-admin-preview-fallback {
  margin: 0;
  white-space: pre-wrap;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}

.cifraclub-search-card {
  max-width: 500px;
  width: calc(100% - 32px);
  max-height: min(85vh, 600px);
  display: flex;
  flex-direction: column;
}
.cifraclub-search-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.cifraclub-search-options-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cifraclub-search-option-item {
  background: var(--surface-elevated);
  border: 1px solid var(--divider);
  border-radius: 10px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  text-align: left;
}
.cifraclub-search-option-item:hover {
  border-color: var(--accent);
  background: var(--primary-muted);
  transform: translateY(-2px);
}
.cifraclub-search-option-item .option-title { font-weight: 600; font-size: 14px; }
.cifraclub-search-option-item .option-url { font-size: 11px; color: var(--text-secondary); word-break: break-all; }

.playlist-track-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
  flex-shrink: 0;
}

.playlist-track-move-btn {
  background: transparent;
  border: 1px solid var(--divider);
  color: var(--text-secondary);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 10px;
  transition: all 0.2s;
}

.playlist-track-move-btn:hover:not(:disabled) {
  background: var(--input-bg);
  color: var(--primary);
  border-color: var(--primary);
}

body.cifra-fullscreen-open .lesson-overlay-header {
  display: none !important;
}

body.cifra-fullscreen-open .lesson-overlay-body {
  padding-top: 0 !important;
  margin-top: 0 !important;
}

.chord-sheet-title-display {
  display: inline-block;
  vertical-align: middle;
}

@media (max-width: 480px) {
  .chord-sheet-title-display {
    max-width: 110px !important;
    font-size: 12px !important;
    margin-left: 8px !important;
  }
}