/**
 * ═══════════════════════════════════════════════════════════════
 * VEAM MUSIC - LAYOUT COMPONENTS
 * ═══════════════════════════════════════════════════════════════
 *
 * App Bar, Bottom Navigation, Mini Player
 * Exact match from Flutter widgets
 */

/* ═══════════════════════════════════════════════════════════════
   LOADING STATE - HIDE NAVIGATION UNTIL LOADED
   ═══════════════════════════════════════════════════════════════ */

body.loading .app-bar,
body.loading .bottom-nav,
body.loading .bottom-nav *,
body.loading .slide-menu,
body.loading .slide-menu *,
body.loading .mini-player,
body.loading .mini-player * {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* Extra specificity for bottom nav items */
body.loading .bottom-nav__item,
body.loading .bottom-nav__label,
body.loading .bottom-nav__icon,
body.loading .bottom-nav__content {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

/* Hide all text content during loading */
body.loading .app-bar__title,
body.loading .section-title,
body.loading .section-header,
body.loading .filter-chip,
body.loading .library-tab,
body.loading .search-bar,
body.loading .artist-card,
body.loading .song-card,
body.loading .empty-state {
  display: none !important;
}

/* Only show skeleton during loading */
body.loading #loadingState {
  display: block !important;
}

/* Hide all page content except skeleton */
body.loading #homeContent,
body.loading #pageSearch > div,
body.loading #pageLibrary > div,
body.loading #pageArtists > div,
body.loading #pageReal > div,
body.loading #pageVeamers > div {
  display: none !important;
}

/* ═══════════════════════════════════════════════════════════════
   APP BAR (Flutter: AppBar widget)
   ═══════════════════════════════════════════════════════════════ */

.app-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--appbar-height);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  z-index: var(--z-appbar);
  transition: opacity 0.3s ease;
}

.app-bar__content {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 16px;
}

.app-bar__menu {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.app-bar__logo {
  width: 50px;
  height: 24px;
  object-fit: contain;
}

.app-bar__title {
  margin-left: 12px;
  font-family: var(--font-primary);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text-primary);
}

.app-bar__title-accent {
  color: var(--primary);
}

/* ═══════════════════════════════════════════════════════════════
   MINI PLAYER (Flutter: MiniPlayer widget)
   ═══════════════════════════════════════════════════════════════

   Exact match:
   - Height: 64px
   - Cover: 44x44px with 4px radius
   - Progress bar: 2px height
   ═══════════════════════════════════════════════════════════════ */

.mini-player {
  position: fixed;
  bottom: var(--bottom-nav-height);
  left: 0;
  right: 0;
  background-color: var(--bg-primary);
  border-top: 0.5px solid var(--border-subtle);
  z-index: var(--z-mini-player);
  cursor: pointer;
  display: none; /* Hidden by default, shown when song is playing */
  transition: opacity 0.3s ease;
}

.mini-player__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--mini-player-height);
  padding: 0 12px;
}

.mini-player__left {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0; /* Allow text truncation */
}

.mini-player__cover {
  width: var(--mini-player-cover-size);
  height: var(--mini-player-cover-size);
  border-radius: var(--mini-player-cover-radius);
  object-fit: cover;
  flex-shrink: 0;
}

.mini-player__info {
  margin-left: 12px;
  flex: 1;
  min-width: 0;
}

.mini-player__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-player__artist {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-secondary);
  margin: 2px 0 0 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-player__controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mini-player__btn {
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.mini-player__btn:hover {
  color: var(--text-primary);
}

.mini-player__btn--play {
  color: var(--text-primary);
}

.mini-player__btn .material-symbols-outlined {
  font-size: 28px;
}

.mini-player__btn:first-child .material-symbols-outlined {
  font-size: 20px;
}

/* Progress Bar */
.mini-player__progress {
  height: var(--mini-player-progress-height);
  width: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  position: relative;
}

.mini-player__progress-fill {
  height: 100%;
  background-color: var(--text-primary);
  width: 0%;
  transition: width 0.1s linear;
}

/* ═══════════════════════════════════════════════════════════════
   BOTTOM NAVIGATION (Flutter: BottomNavigationBar)
   ═══════════════════════════════════════════════════════════════ */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  z-index: var(--z-nav);
  box-shadow: var(--shadow-lg);
  transition: opacity 0.3s ease;
}

.bottom-nav__content {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
  padding: 0 8px;
}

.bottom-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.bottom-nav__item:hover {
  color: var(--text-secondary);
}

.bottom-nav__item.active {
  color: var(--text-primary);
}

.bottom-nav__icon {
  font-size: var(--bottom-nav-icon-size);
}

.bottom-nav__label {
  font-size: var(--bottom-nav-label-size);
  font-weight: 600;
  text-transform: capitalize;
}

/* ═══════════════════════════════════════════════════════════════
   SIDEBAR MENU (Slide-out drawer)
   ═══════════════════════════════════════════════════════════════ */

.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.slide-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background-color: var(--bg-secondary);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform var(--transition-normal) var(--ease-out), opacity 0.3s ease;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.slide-menu.active {
  transform: translateX(0);
}

.slide-menu__profile {
  padding: 32px 24px;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border-subtle);
}

.slide-menu__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 900;
  color: #000;
  margin-bottom: 16px;
  padding: 12px;
  box-shadow: 0 4px 12px rgba(29, 185, 84, 0.3);
}

.slide-menu__logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.slide-menu__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.slide-menu__subtitle {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.slide-menu__nav {
  padding: 16px 0;
}

.slide-menu__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.slide-menu__item:hover {
  background-color: var(--surface-primary);
  color: var(--text-primary);
}

.slide-menu__item.active {
  background-color: rgba(29, 185, 84, 0.15);
  color: var(--primary);
  border-left: 3px solid var(--primary);
}

.slide-menu__item-icon {
  font-size: 24px;
}

.slide-menu__item-text {
  font-size: 15px;
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE ADJUSTMENTS
   ═══════════════════════════════════════════════════════════════ */

/* Desktop Layout - Narrower, with persistent sidebar */
@media (min-width: 1024px) {
  /* App container max width */
  #app {
    max-width: 1400px;
    margin: 0 auto;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
  }

  /* Sidebar always visible on desktop */
  .slide-menu {
    transform: translateX(0) !important;
    position: fixed;
    z-index: 100;
  }

  /* No overlay on desktop */
  .menu-overlay {
    display: none !important;
  }

  /* Hide menu button on desktop */
  .app-bar__menu {
    visibility: hidden;
  }

  /* App bar with sidebar offset */
  .app-bar {
    left: 280px;
  }

  /* Pages with sidebar offset */
  .page {
    margin-left: 280px;
    bottom: 0;
  }

  /* Mini player with sidebar offset */
  .mini-player {
    left: 280px;
    bottom: 0;
  }

  /* Bottom nav hidden on desktop */
  .bottom-nav {
    display: none;
  }
}

/* Tablet - Hide bottom nav but keep slide-out menu */
@media (min-width: 768px) and (max-width: 1023px) {
  .bottom-nav {
    display: none;
  }

  .page {
    bottom: 0;
  }

  .mini-player {
    bottom: 0;
  }
}