/**
 * Favoloso - Custom Audio Player Styles
 * Extends gaskb_style with cozy and kid-friendly touch interfaces.
 */

:root {
  --player-height: 84px;
}

body.favoloso-app {
  padding: 0;
  padding-bottom: calc(var(--player-height) + 1.5rem + var(--md-safe-bottom));
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--md-background);
  color: var(--md-on-background);
  user-select: none;
  -webkit-user-select: none;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--md-surface);
  border-bottom: 1px solid var(--md-outline-variant);
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  font-size: 2rem;
  line-height: 1;
}

.brand-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--md-primary);
  line-height: 1.2;
}

.version-badges {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.2rem;
}

.badge {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: var(--md-shape-full);
  font-weight: 600;
  text-transform: uppercase;
}

.badge-ui {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.badge-api {
  background-color: var(--md-surface-container-high);
  color: var(--md-on-surface-variant);
}

/* Tabs */
.nav-tabs {
  display: flex;
  background: var(--md-surface-container);
  border-radius: var(--md-shape-full);
  padding: 4px;
  gap: 4px;
}

.tab-btn {
  border: none;
  background: transparent;
  padding: 0.5rem 1.25rem;
  border-radius: var(--md-shape-full);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--md-transition-fast);
}

.tab-btn.active {
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: var(--md-elevation-1);
}

/* Content Container */
.content-container {
  padding: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Breadcrumbs */
.breadcrumb-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.breadcrumb-item {
  cursor: pointer;
  color: var(--md-primary);
  white-space: nowrap;
  padding: 4px 8px;
  border-radius: var(--md-shape-small);
  background: var(--md-surface-container);
  text-decoration: none;
}

.breadcrumb-item:hover {
  background: var(--md-primary-container);
}

.breadcrumb-separator {
  color: var(--md-outline);
}

/* Grid of Folders / Books */
.section-title {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.75rem 0;
  color: var(--md-on-background);
  font-weight: 700;
}

.folders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.folder-card {
  background: var(--md-surface-container);
  border-radius: var(--md-shape-medium);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: transform var(--md-transition-fast), box-shadow var(--md-transition-fast);
  border: 1px solid transparent;
}

.folder-card:hover {
  transform: translateY(-2px);
  background: var(--md-surface-container-high);
  box-shadow: var(--md-elevation-2);
  border-color: var(--md-outline-variant);
}

.folder-card:active {
  transform: scale(0.98);
}

.folder-cover {
  width: 110px;
  height: 110px;
  border-radius: var(--md-shape-small);
  object-fit: cover;
  margin-bottom: 0.75rem;
  background: var(--md-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  box-shadow: var(--md-elevation-1);
}

.folder-name {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

/* Tracks List */
.tracks-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tracks-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.track-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: var(--md-surface-container);
  border-radius: var(--md-shape-medium);
  cursor: pointer;
  transition: background var(--md-transition-fast);
  gap: 1rem;
}

.track-item:hover {
  background: var(--md-surface-container-high);
}

.track-item.playing {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-weight: 600;
  border-left: 4px solid var(--md-primary);
}

.track-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
  min-width: 0;
}

.track-icon {
  font-size: 1.25rem;
}

.track-title {
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Persistent Player Bar */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--player-height);
  background: var(--md-surface-container-high);
  border-top: 1px solid var(--md-outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.25rem;
  padding-bottom: calc(0.5rem + var(--md-safe-bottom));
  gap: 1rem;
  z-index: 100;
  box-shadow: var(--md-elevation-3);
}

.player-track-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 25%;
  min-width: 150px;
}

.player-cover-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--md-shape-small);
  background: var(--md-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: var(--md-elevation-1);
}

.player-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-meta {
  overflow: hidden;
}

.player-title {
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-subtitle {
  font-size: 0.75rem;
  color: var(--md-outline);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-ctrl {
  background: transparent;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--md-on-surface);
  padding: 8px;
  border-radius: var(--md-shape-full);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: var(--md-touch-target);
  min-height: var(--md-touch-target);
}

.btn-ctrl:hover {
  background: var(--md-surface-container);
}

.btn-ctrl.btn-play {
  background: var(--md-primary);
  color: var(--md-on-primary);
  font-size: 1.4rem;
  width: 52px;
  height: 52px;
  box-shadow: var(--md-elevation-2);
}

.btn-ctrl.btn-play:hover {
  transform: scale(1.05);
}

.player-progress-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 40%;
  max-width: 450px;
}

.time-label {
  font-size: 0.8rem;
  font-family: var(--md-font-mono);
  color: var(--md-outline);
  min-width: 40px;
}

#seek-slider {
  flex: 1;
  accent-color: var(--md-primary);
  cursor: pointer;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--md-outline);
}

.empty-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.5rem;
}

.hidden {
  display: none !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  :root {
    --player-height: 120px;
  }

  .player-bar {
    flex-wrap: wrap;
    padding: 0.5rem 1rem;
    gap: 0.25rem;
  }

  .player-track-info {
    width: 60%;
  }

  .player-controls {
    width: 35%;
    justify-content: flex-end;
  }

  .player-progress-wrap {
    width: 100%;
    max-width: 100%;
    order: 3;
    margin-top: 0.25rem;
  }

  .folders-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.75rem;
  }

  .folder-cover {
    width: 90px;
    height: 90px;
    font-size: 2.2rem;
  }
}