/* nallium-music-frontend — design system
 *
 * Palette/typographie ancrées sur les tokens partagés du reste de la suite
 * (--text/--muted/--blue/--green/--amber/--pink/--violet/--red/--cyan/
 * --border/--radius, voir nallium-drive-frontend/css/style.css) MAIS avec
 * un thème SOMBRE par défaut et un thème clair optionnel (cahier des
 * charges, section "Design & expérience utilisateur" : "thème sombre par
 * défaut, thème clair en option") — contrairement au reste de la suite
 * bureautique (Drive/Docs/Sheets/Slides), qui reste volontairement clair
 * uniquement. Bascule via une classe .theme-light sur <html> (voir
 * js/app.js::applyTheme), persistée en localStorage (préférence d'affichage
 * pure, jamais une donnée à synchroniser côté serveur).
 *
 * Disposition : barre latérale fixe (cahier des charges : Accueil,
 * Recherche, Découvrir, Ma bibliothèque, Mes playlists, Mes albums, Mes
 * artistes, Mes téléchargements, Favoris, Historique) + zone de contenu +
 * lecteur permanent en bas de page (jamais démonté entre deux vues).
 */

:root {
  --text: #f2f4fa;
  --muted: #9aa3ba;
  --muted-2: #6b7490;
  --blue: #60a5fa;
  --green: #34d399;
  --amber: #fbbf24;
  --pink: #f472b6;
  --violet: #a78bfa;
  --red: #f87171;
  --cyan: #22d3ee;
  --bg: #0c0e16;
  --bg-elevated: #12141f;
  --panel: #171a29;
  --panel-solid: #1b1e2e;
  --panel-hover: #21253a;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 14px 38px rgba(0, 0, 0, 0.32);
  --radius: 14px;
  --radius-sm: 8px;
  --player-height: 88px;
  --sidebar-width: 232px;
  --accent-gradient: linear-gradient(135deg, #a78bfa, #f472b6);
}

html.theme-light {
  --text: #172033;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --blue: #3b82f6;
  --green: #16a34a;
  --amber: #d97706;
  --pink: #db2777;
  --violet: #7c3aed;
  --red: #dc2626;
  --cyan: #0891b2;
  --bg: #f5f6fb;
  --bg-elevated: #ffffff;
  --panel: #ffffff;
  --panel-solid: #ffffff;
  --panel-hover: #eef0f9;
  --border: rgba(23, 32, 51, 0.1);
  --shadow: 0 24px 80px rgba(30, 41, 59, 0.12);
  --shadow-soft: 0 14px 38px rgba(30, 41, 59, 0.09);
}

* {
  box-sizing: border-box;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  transition: background-color 0.15s ease, color 0.15s ease;
}

a {
  color: var(--blue);
  text-decoration: none;
}

button {
  font: inherit;
}

img {
  max-width: 100%;
}

/* ---------------------------------------------------------------------
 * Boutons / formulaires / alertes — vocabulaire partagé avec le reste de
 * la suite (mêmes noms de classes que nallium-drive-frontend).
 * ------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  background: var(--panel-hover);
  color: var(--text);
  transition: transform 0.08s ease, background-color 0.12s ease, opacity 0.12s ease;
}
.btn:hover {
  background: var(--panel-solid);
}
.btn:active {
  transform: scale(0.97);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--accent-gradient);
  color: #14081f;
}
.btn-primary:hover {
  filter: brightness(1.08);
}
.btn-outline {
  background: transparent;
  border-color: var(--border);
}
.btn-danger {
  background: var(--red);
  color: #2a0a0a;
}
.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}
.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
}

input,
select,
textarea {
  font: inherit;
  color: var(--text);
  background: var(--panel-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
}
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--violet);
  outline-offset: 1px;
}

.alert-banner {
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
}
.alert-banner.error {
  background: rgba(248, 113, 113, 0.12);
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.3);
}
.alert-banner.success {
  background: rgba(52, 211, 153, 0.12);
  color: var(--green);
  border-color: rgba(52, 211, 153, 0.3);
}
.alert-banner.info {
  background: rgba(96, 165, 250, 0.12);
  color: var(--blue);
  border-color: rgba(96, 165, 250, 0.3);
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
  font-size: 13.5px;
}
.empty-icon {
  font-size: 34px;
  margin-bottom: 10px;
}

.login-gate {
  text-align: center;
  padding: 80px 20px;
  color: var(--muted);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-pill.available {
  background: rgba(52, 211, 153, 0.15);
  color: var(--green);
}
.badge-pill.degraded {
  background: rgba(251, 191, 36, 0.15);
  color: var(--amber);
}
.badge-pill.unavailable {
  background: rgba(248, 113, 113, 0.15);
  color: var(--red);
}
.badge-pill.pending {
  background: rgba(154, 163, 186, 0.15);
  color: var(--muted);
}

/* ---------------------------------------------------------------------
 * Coquille applicative : barre latérale + contenu + lecteur permanent.
 * ------------------------------------------------------------------- */
.music-shell {
  display: flex;
  min-height: 100vh;
  padding-bottom: var(--player-height);
}

.music-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 18px 12px;
}

.music-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 20px;
  cursor: pointer;
}
.music-brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #14081f;
}
.music-brand-name {
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.music-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.music-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
}
.music-nav a:hover {
  background: var(--panel-hover);
  color: var(--text);
}
.music-nav a.active {
  background: var(--panel-hover);
  color: var(--text);
}
.music-nav .music-nav-icon {
  width: 18px;
  text-align: center;
}
.music-nav-section {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.music-nav-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted-2);
  padding: 4px 12px 6px;
  font-weight: 700;
}

.music-sidebar-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.music-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  font-size: 12.5px;
  color: var(--muted);
}
.music-user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #14081f;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 12px;
  flex-shrink: 0;
}
.music-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--muted);
}

.music-main {
  flex: 1;
  min-width: 0;
  padding: 26px 34px 40px;
}

.music-topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.music-search-box {
  flex: 1;
  max-width: 420px;
  position: relative;
}
.music-search-box input {
  width: 100%;
  border-radius: 999px;
  padding: 9px 14px 9px 34px;
}
.music-search-box .icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.6;
  font-size: 13px;
}
.music-page-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
}
.music-page-subtitle {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 20px;
}

/* ---------------------------------------------------------------------
 * Grilles de cartes (morceaux / albums / artistes / playlists).
 * ------------------------------------------------------------------- */
.music-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 18px;
}
.music-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  cursor: pointer;
  transition: background-color 0.12s ease, transform 0.1s ease;
  position: relative;
}
.music-card:hover {
  background: var(--panel-hover);
}
.music-card:hover .music-card-play {
  opacity: 1;
  transform: translateY(0);
}
.music-card-cover {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  background: var(--panel-solid);
  background-size: cover;
  background-position: center;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--muted-2);
  position: relative;
  overflow: hidden;
}
.music-card.round .music-card-cover {
  border-radius: 50%;
}
.music-card-play {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #14081f;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.12s ease, transform 0.12s ease;
}
.music-card-title {
  font-size: 13.5px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.music-card-subtitle {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

/* ---------------------------------------------------------------------
 * Listes de morceaux (table façon Spotify : #, titre, album, durée...).
 * ------------------------------------------------------------------- */
.track-list {
  display: flex;
  flex-direction: column;
}
.track-row {
  display: grid;
  grid-template-columns: 32px 40px 1fr minmax(0, 200px) 90px 40px;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13.5px;
}
.track-row:hover {
  background: var(--panel-hover);
}
.track-row.playing {
  color: var(--violet);
}
.track-row.unavailable {
  opacity: 0.45;
}
.track-row .track-index {
  color: var(--muted-2);
  font-variant-numeric: tabular-nums;
  text-align: center;
}
.track-row .track-cover-sm {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background: var(--panel-solid);
  background-size: cover;
  background-position: center;
}
.track-row .track-title-block {
  min-width: 0;
}
.track-row .track-title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.track-row .track-artist {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.track-row .track-album {
  color: var(--muted);
  font-size: 12.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.track-row .track-duration {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
  font-size: 12.5px;
}
.track-row .track-actions {
  display: flex;
  justify-content: flex-end;
  opacity: 0;
}
.track-row:hover .track-actions {
  opacity: 1;
}
.track-row .track-fav.active {
  color: var(--pink);
}

/* ---------------------------------------------------------------------
 * Lecteur permanent.
 * ------------------------------------------------------------------- */
.music-player {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--player-height);
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(320px, 2fr) minmax(180px, 1fr);
  align-items: center;
  padding: 0 18px;
  gap: 16px;
  z-index: 40;
}
.player-now {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.player-now .track-cover-sm {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  background: var(--panel-solid);
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}
.player-now-meta {
  min-width: 0;
}
.player-now-title {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.player-now-artist {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.player-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.player-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}
.player-controls button {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  padding: 4px;
}
.player-controls button.active {
  color: var(--violet);
}
.player-controls .play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.player-seek {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 520px;
}
.player-time {
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  min-width: 34px;
}
.player-time.end {
  text-align: right;
}
.player-progress-track,
.player-volume-track {
  flex: 1;
  height: 4px;
  background: var(--panel-solid);
  border-radius: 999px;
  position: relative;
  cursor: pointer;
}
.player-progress-fill,
.player-volume-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  border-radius: 999px;
  background: var(--text);
  width: 0%;
}
.player-progress-track:hover .player-progress-fill {
  background: var(--violet);
}
.player-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}
.player-quality {
  font-size: 10.5px;
  color: var(--muted-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}
.player-volume {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 110px;
}
.player-error {
  font-size: 11px;
  color: var(--red);
}

/* ---------------------------------------------------------------------
 * Menu contextuel (clic droit) — morceau / playlist / album / artiste /
 * élément de file. Cahier des charges : séparation visuelle des actions
 * destructrices + jamais présenter une suppression de téléchargement comme
 * une suppression globale du morceau.
 * ------------------------------------------------------------------- */
.ctx-menu {
  position: fixed;
  z-index: 200;
  min-width: 220px;
  background: var(--panel-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 6px;
  font-size: 13px;
}
.ctx-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}
.ctx-menu-item:hover {
  background: var(--panel-hover);
}
.ctx-menu-item.danger {
  color: var(--red);
}
.ctx-menu-sep {
  height: 1px;
  background: var(--border);
  margin: 6px 2px;
}

/* ---------------------------------------------------------------------
 * File d'attente (panneau latéral droit, distinct des playlists).
 * ------------------------------------------------------------------- */
.queue-panel {
  position: fixed;
  right: 0;
  top: 0;
  bottom: var(--player-height);
  width: 340px;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  padding: 18px;
  overflow-y: auto;
  z-index: 30;
  transform: translateX(100%);
  transition: transform 0.15s ease;
}
.queue-panel.open {
  transform: translateX(0);
}
.queue-panel h3 {
  margin: 0 0 4px;
  font-size: 15px;
}
.queue-panel .queue-source {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 14px;
}

/* ---------------------------------------------------------------------
 * Modales — Bootstrap standard (voir js/app.js), quelques classes
 * complémentaires pour le contenu import/partage.
 * ------------------------------------------------------------------- */
.modal-content {
  background: var(--panel-solid);
  color: var(--text);
  border: 1px solid var(--border);
}
.modal-header,
.modal-footer {
  border-color: var(--border);
}
.btn-close {
  filter: invert(1) grayscale(1);
}
html.theme-light .btn-close {
  filter: none;
}

.form-row {
  margin-bottom: 12px;
}
.form-row label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 5px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
}

/* ---------------------------------------------------------------------
 * Responsive.
 * ------------------------------------------------------------------- */
@media (max-width: 900px) {
  .music-sidebar {
    width: 72px;
    padding: 14px 6px;
  }
  .music-brand-name,
  .music-nav a span.label,
  .music-nav-label,
  .music-user span,
  .music-theme-toggle span {
    display: none;
  }
  .music-nav a {
    justify-content: center;
  }
  .music-main {
    padding: 18px 16px 40px;
  }
  .music-player {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .player-right {
    display: none;
  }
  .player-now-meta {
    display: none;
  }
  .queue-panel {
    width: 100%;
  }
}
