/* ==========================================================================
   VishvaX Music — World-Class Mobile Design System (css/mobile.css)
   Target: Mobile Devices & Tablets (Screen width <= 768px)
   Desktop Preservation: Zero changes to screens > 768px (100% Desktop Preserved)
   ========================================================================== */

@media (max-width: 768px) {

  /* --- 1. Global Viewport & Reset Overrides for Mobile --- */
  :root {
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --mobile-nav-height: 58px;
    --mobile-mini-player-height: 58px;
    --mobile-header-height: 56px;
    --mobile-border-glow: rgba(168, 85, 247, 0.4);
  }

  html, body {
    width: 100%;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    position: static;
    overscroll-behavior-y: auto;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
  }

  .app-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: visible;
    position: relative;
    padding-bottom: 0 !important;
    background: var(--bg-dark, #07080e);
  }

  /* --- 2. Mobile App Header (Top Bar) --- */
  .app-header {
    height: calc(var(--mobile-header-height) + var(--safe-top));
    padding-top: var(--safe-top);
    padding-left: 14px;
    padding-right: 14px;
    background: var(--bg-glass, rgba(10, 11, 20, 0.88));
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.07));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    z-index: 80;
    flex-shrink: 0;
  }

  .header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
  }

  .mobile-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s ease;
  }

  .mobile-menu-toggle:active {
    transform: scale(0.92);
    background: rgba(168, 85, 247, 0.2);
    border-color: var(--accent-purple);
  }

  /* Hide Desktop History Back/Forward on Mobile to save space */
  .history-nav-group {
    display: none !important;
  }

  /* Mobile Search Bar - Compact & Fluid */
  .header-search-wrapper {
    flex: 1;
    min-width: 0;
    max-width: 100%;
  }

  .search-input-box {
    height: 38px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 9999px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
  }

  .search-input-box:focus-within {
    background: rgba(22, 22, 38, 0.95);
    border-color: var(--accent-purple);
    box-shadow: 0 0 14px rgba(168, 85, 247, 0.3);
  }

  .search-input-box input {
    font-size: 0.85rem;
    width: 100%;
    color: #fff;
  }

  .search-input-box input::placeholder {
    font-size: 0.82rem;
    color: var(--text-muted);
  }

  .search-suggestions-dropdown {
    position: fixed;
    top: calc(var(--mobile-header-height) + var(--safe-top) + 6px);
    left: 12px;
    right: 12px;
    width: auto;
    max-height: 60vh;
    border-radius: 16px;
    background: rgba(15, 15, 25, 0.98);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
    z-index: 1200;
  }

  /* Header Right Tools */
  .header-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
  }

  .region-selector-wrapper {
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    height: 36px;
  }

  .region-selector-wrapper select {
    font-size: 0.75rem;
    max-width: 68px;
  }

  .region-selector-wrapper svg {
    width: 14px;
    height: 14px;
  }

  .header-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
  }

  /* Hide diagnostics & shortcuts from mobile topbar (moved to drawer/settings) */
  #btn-diagnostics, #btn-shortcuts {
    display: none !important;
  }

  /* --- 3. Mobile Sidebar: Off-Canvas Animated Drawer --- */
  .app-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: min(300px, 82vw) !important;
    height: 100% !important;
    height: 100dvh !important;
    background: #0b0c17 !important;
    z-index: 600 !important;
    transform: translateX(-105%) !important;
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.32s ease !important;
    border-right: 1px solid rgba(255, 255, 255, 0.12) !important;
    padding: calc(var(--safe-top) + 16px) 16px calc(var(--safe-bottom) + 16px) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    box-shadow: none;
  }

  .app-sidebar.open {
    transform: translateX(0) !important;
    box-shadow: 20px 0 60px rgba(0, 0, 0, 0.85), 0 0 30px rgba(168, 85, 247, 0.25) !important;
  }

  .sidebar-header {
    margin-bottom: 1.5rem;
    padding: 0 4px;
  }

  .sidebar-close-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .sidebar-close-btn:active {
    transform: scale(0.9);
  }

  .nav-item {
    padding: 0.75rem 1rem;
    min-height: 48px;
    font-size: 0.95rem;
    border-radius: 12px;
  }

  /* Backdrop Overlay for Sidebar */
  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 550;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .sidebar-backdrop.active {
    opacity: 1;
    pointer-events: auto;
  }

  /* --- 4. Main Content Area on Mobile --- */
  .app-main {
    flex: 1;
    min-height: 100vh;
    margin-left: 0 !important;
    width: 100% !important;
    display: flex;
    flex-direction: column;
    overflow: visible !important;
    position: relative;
    padding-bottom: calc(var(--mobile-nav-height) + var(--mobile-mini-player-height) + var(--safe-bottom) + 36px) !important;
  }

  .views-container, .content-scroll-container {
    width: 100% !important;
    overflow: visible !important;
  }

  .view-panel {
    padding: 12px 14px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Horizontal Momentum Scroll for Pills & Carousels */
  .pills-scroll, .mood-pills-row {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    gap: 8px !important;
    padding-bottom: 6px !important;
    margin-bottom: 16px !important;
    width: 100% !important;
  }

  .pills-scroll::-webkit-scrollbar, .mood-pills-row::-webkit-scrollbar {
    display: none !important;
  }

  .pill-item, .mood-pill {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 7px 15px;
    font-size: 0.8rem;
    border-radius: 9999px;
  }

  /* Featured Song Showcase / Music Collection — Mobile-First Compact Architecture */
  .featured-showcase-card.hero-card,
  .featured-showcase-card,
  .hero-card,
  .hero-banner {
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 !important;
    border-radius: 16px !important;
    margin-bottom: 16px !important;
    background: #090a0f !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 16px rgba(16, 185, 129, 0.08) !important;
    position: relative !important;
    overflow: hidden !important;
  }

  .featured-showcase-inner {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 14px !important;
    padding: 12px 14px 8px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .featured-art-col {
    flex: 0 0 96px !important;
    width: 96px !important;
    max-width: 96px !important;
    height: 96px !important;
    aspect-ratio: 1 !important;
    display: block !important;
  }

  .featured-art-frame {
    width: 100% !important;
    height: 100% !important;
    border-radius: 12px !important;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.65), 0 0 12px rgba(16, 185, 129, 0.12) !important;
    margin: 0 !important;
    position: relative !important;
    overflow: hidden !important;
  }

  .featured-art-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }

  .featured-live-badge {
    bottom: 5px !important;
    left: 5px !important;
    padding: 2px 6px !important;
    font-size: 0.55rem !important;
    gap: 4px !important;
    border-radius: 999px !important;
    backdrop-filter: blur(6px) !important;
    -webkit-backdrop-filter: blur(6px) !important;
  }

  .live-pulse-dot {
    width: 5px !important;
    height: 5px !important;
  }

  .featured-info-col {
    flex: 1 !important;
    min-width: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    gap: 3px !important;
    overflow: hidden !important;
  }

  .featured-meta-header {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 8px !important;
    margin-bottom: 2px !important;
  }

  .featured-tag-badge {
    display: none !important;
  }

  .featured-counter {
    font-size: 0.7rem !important;
    font-family: 'JetBrains Mono', monospace !important;
    font-weight: 600 !important;
    color: rgba(255, 255, 255, 0.6) !important;
    letter-spacing: 0.04em !important;
  }

  .featured-counter .counter-curr {
    color: #10b981 !important;
    font-weight: 700 !important;
  }

  .featured-song-meta {
    display: flex !important;
    flex-direction: column !important;
    gap: 1px !important;
    min-width: 0 !important;
    overflow: hidden !important;
  }

  .featured-title.hero-title,
  .hero-title {
    font-size: 0.98rem !important;
    font-weight: 700 !important;
    color: #ffffff !important;
    line-height: 1.25 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    margin: 0 !important;
  }

  .featured-artist.hero-subtitle,
  .hero-subtitle {
    font-size: 0.78rem !important;
    color: rgba(255, 255, 255, 0.68) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    line-height: 1.2 !important;
    margin: 0 !important;
  }

  .featured-sub-details {
    display: none !important;
  }

  .featured-controls-row {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    width: 100% !important;
    margin-top: 3px !important;
  }

  .featured-play-btn.hero-play-btn {
    flex: 0 0 auto !important;
    height: 30px !important;
    padding: 0 12px !important;
    font-size: 0.74rem !important;
    font-weight: 700 !important;
    border-radius: 999px !important;
    gap: 5px !important;
  }

  .featured-play-btn svg {
    width: 13px !important;
    height: 13px !important;
  }

  .featured-like-btn {
    width: 30px !important;
    height: 30px !important;
    flex: 0 0 30px !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: rgba(255, 255, 255, 0.06) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: rgba(255, 255, 255, 0.75) !important;
  }

  .featured-like-btn svg {
    width: 14px !important;
    height: 14px !important;
  }

  .featured-nav-group {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    margin-left: auto !important;
  }

  .featured-nav-arrow {
    width: 28px !important;
    height: 28px !important;
    flex: 0 0 28px !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: rgba(255, 255, 255, 0.06) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: rgba(255, 255, 255, 0.8) !important;
  }

  .featured-nav-arrow svg {
    width: 13px !important;
    height: 13px !important;
  }

  .featured-indicators-wrap {
    padding: 2px 14px 6px !important;
    display: flex !important;
    justify-content: center !important;
  }

  .featured-indicators {
    gap: 4px !important;
  }

  .featured-indicator-dot {
    height: 3px !important;
    width: 8px !important;
    border-radius: 2px !important;
    background: rgba(255, 255, 255, 0.22) !important;
    transition: all 0.25s ease !important;
  }

  .featured-indicator-dot.active {
    width: 18px !important;
    background: #10b981 !important;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5) !important;
  }

  .featured-progress-track {
    height: 2px !important;
  }

  /* Section Headers */
  .section-container {
    margin-bottom: 24px;
  }

  .section-header {
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 1.15rem;
    letter-spacing: -0.3px;
  }

  .section-subtitle {
    font-size: 0.75rem;
  }

  .section-more-link {
    font-size: 0.8rem;
    padding: 4px 10px;
  }

  /* Grids & Horizontal Carousels */
  .tracks-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .cards-carousel {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    gap: 12px !important;
    padding-bottom: 8px !important;
  }

  .cards-carousel::-webkit-scrollbar {
    display: none !important;
  }

  .square-card,
  .playlist-card,
  .media-card,
  .music-card {
    flex: 0 0 144px !important;
    width: 144px !important;
    min-width: 144px !important;
    max-width: 144px !important;
    padding: 8px !important;
    border-radius: 14px !important;
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.07) !important;
    scroll-snap-align: start;
  }

  .square-card-art-wrap,
  .playlist-card-art-wrap,
  .media-card-img-wrap,
  .music-card-art {
    width: 100% !important;
    aspect-ratio: 1 / 1 !important;
    height: auto !important;
    border-radius: 10px !important;
    margin-bottom: 8px !important;
    position: relative !important;
    overflow: hidden !important;
  }

  .square-card-art,
  .playlist-card-art,
  .media-card-img,
  .music-card-art img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }

  /* Mobile Touch-Optimized Quick Actions */
  .square-card-play-btn,
  .playlist-card-quick-play,
  .media-card-play-btn {
    opacity: 1 !important;
    transform: translateY(0) scale(1) !important;
    width: 34px !important;
    height: 34px !important;
    bottom: 6px !important;
    right: 6px !important;
  }

  .square-card-play-btn svg,
  .playlist-card-quick-play svg,
  .media-card-play-btn svg {
    width: 14px !important;
    height: 14px !important;
  }

  .square-card-like-btn {
    opacity: 1 !important;
    transform: scale(1) !important;
    width: 28px !important;
    height: 28px !important;
    top: 6px !important;
    right: 6px !important;
  }

  .square-card-title,
  .playlist-card-title,
  .media-card-title,
  .music-card-title {
    font-size: 0.84rem !important;
    font-weight: 700 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    line-height: 1.25 !important;
    margin-bottom: 2px !important;
  }

  .square-card-subtitle,
  .playlist-card-subtitle,
  .media-card-sub,
  .music-card-subtitle {
    font-size: 0.72rem !important;
    color: var(--text-muted) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    line-height: 1.2 !important;
  }

  /* Track Cards in Grids (e.g. Trending Today) converted to Sleek Mobile List Items */
  .track-card {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    padding: 8px 12px !important;
    border-radius: 14px !important;
    background: rgba(255, 255, 255, 0.035) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    gap: 12px !important;
    min-height: 60px;
  }

  .track-card.playing {
    background: rgba(168, 85, 247, 0.12) !important;
    border-color: var(--accent-purple) !important;
    box-shadow: 0 0 16px rgba(168, 85, 247, 0.25) !important;
  }

  .track-card-thumb-wrap {
    width: 46px !important;
    height: 46px !important;
    min-width: 46px !important;
    border-radius: 10px !important;
    margin-bottom: 0 !important;
    flex-shrink: 0;
  }

  .track-card-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
  }

  .track-card-title {
    font-size: 0.9rem !important;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
  }

  .track-card-artist {
    font-size: 0.76rem !important;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .track-card-badge {
    display: none !important;
  }

  .track-card-actions {
    margin-left: auto;
    flex-shrink: 0;
  }

  .track-card-like-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
  }

  /* --- 5. Mobile Tables & Playlist Song List --- */
  .table-container,
  .playlist-table-container {
    overflow-x: hidden !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    width: 100% !important;
  }

  .tracks-table,
  .tracks-table.playlist-tracks-table {
    display: block !important;
    width: 100% !important;
  }

  .tracks-table thead,
  .playlist-tracks-table thead {
    display: none !important;
  }

  .tracks-table tbody,
  .playlist-tracks-table tbody {
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    width: 100% !important;
  }

  /* Compact 60px row height, comfortable tap target, smooth touch feedback */
  .tracks-table tr.table-row,
  .playlist-tracks-table tbody tr.table-row {
    display: flex !important;
    align-items: center !important;
    height: 60px !important;
    min-height: 60px !important;
    padding: 6px 10px !important;
    border-radius: 12px !important;
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.04) !important;
    border-left: 3px solid transparent !important;
    position: relative !important;
    gap: 10px !important;
    box-sizing: border-box !important;
    transition: background 0.12s ease;
    content-visibility: auto;
    contain-intrinsic-size: 0 60px;
    width: 100% !important;
  }

  .tracks-table tr.table-row:active,
  .playlist-tracks-table tbody tr.table-row:active {
    background: rgba(255, 255, 255, 0.08) !important;
  }

  .tracks-table tr.table-row.playing,
  .playlist-tracks-table tbody tr.table-row.playing {
    background: rgba(168, 85, 247, 0.12) !important;
    border-color: rgba(168, 85, 247, 0.3) !important;
    border-left: 3px solid var(--accent-purple, #a855f7) !important;
  }

  /* Mobile Song List Columns: Cover | Song + Artist | Duration | ⋮ */
  .tracks-table .col-num,
  .playlist-tracks-table .col-num {
    display: none !important;
  }

  .playlist-tracks-table .col-cover {
    display: flex !important;
    align-items: center !important;
    padding: 0 !important;
    width: auto !important;
    flex-shrink: 0 !important;
  }

  .playlist-tracks-table .track-thumb-wrap {
    width: 46px !important;
    height: 46px !important;
    min-width: 46px !important;
    border-radius: 8px !important;
    object-fit: cover !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
  }

  .tracks-table .col-title-cell,
  .playlist-tracks-table .col-title {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    flex: 1 !important;
    min-width: 0 !important;
    padding: 0 !important;
    gap: 1px !important;
  }

  .tracks-table .col-title-img {
    width: 46px !important;
    height: 46px !important;
    min-width: 46px !important;
    border-radius: 8px !important;
    object-fit: cover !important;
    flex-shrink: 0 !important;
  }

  .tracks-table .col-title-text,
  .playlist-tracks-table .track-title-text {
    font-size: 0.88rem !important;
    font-weight: 600 !important;
    color: #fff !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 100% !important;
    margin-bottom: 1px !important;
  }

  .tracks-table .col-artist-text,
  .playlist-tracks-table .track-artist-text {
    font-size: 0.75rem !important;
    color: var(--text-secondary) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 100% !important;
  }

  /* Album hidden on mobile */
  .tracks-table .col-album,
  .playlist-tracks-table .col-album {
    display: none !important;
  }

  .tracks-table .col-duration,
  .playlist-tracks-table .col-duration {
    font-size: 0.74rem !important;
    color: var(--text-muted) !important;
    font-family: var(--font-mono) !important;
    padding: 0 4px !important;
    flex-shrink: 0 !important;
    width: auto !important;
    text-align: right !important;
  }

  .tracks-table .col-actions,
  .playlist-tracks-table .col-actions {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    flex-shrink: 0 !important;
    width: 40px !important;
  }

  .playlist-tracks-table .track-more-btn {
    width: 40px !important;
    height: 40px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .table-like-btn {
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* --- Compact Mobile Playlist Header & Controls --- */
  .playlist-detail-header {
    display: flex !important;
    flex-direction: row !important;
    text-align: left !important;
    align-items: center !important;
    padding: 8px 0 6px !important;
    gap: 12px !important;
    margin-bottom: 0 !important;
    width: 100% !important;
  }

  .playlist-cover-wrap {
    width: 86px !important;
    height: 86px !important;
    min-width: 86px !important;
    border-radius: 10px !important;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.5) !important;
    flex-shrink: 0 !important;
  }

  .playlist-cover-art {
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
  }

  .playlist-header-meta {
    flex: 1 !important;
    min-width: 0 !important;
  }

  .playlist-title {
    font-size: 1.3rem !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;
    margin: 0 0 2px 0 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }

  .playlist-artist-sub {
    font-size: 0.8rem !important;
    margin-bottom: 2px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .playlist-stats {
    font-size: 0.74rem !important;
  }

  .playlist-controls-bar {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 6px 0 10px !important;
    margin-bottom: 4px !important;
    overflow-x: auto !important;
    scrollbar-width: none !important;
    width: 100% !important;
  }

  .playlist-controls-bar::-webkit-scrollbar {
    display: none !important;
  }

  .playlist-ctl-btn {
    height: 38px !important;
    padding: 0 1rem !important;
    font-size: 0.82rem !important;
    flex-shrink: 0 !important;
  }

  .view-header-banner, .artist-hero-header {
    flex-direction: column !important;
    text-align: center !important;
    padding: 20px 14px !important;
    gap: 16px !important;
  }

  .artist-avatar-wrap img {
    width: 140px !important;
    height: 140px !important;
    margin: 0 auto !important;
    border-radius: 20px !important;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.6) !important;
  }

  .playlist-action-row {
    justify-content: center !important;
    width: 100% !important;
  }

  .playlist-action-row button {
    flex: 1 !important;
    min-height: 44px !important;
    justify-content: center !important;
  }

  /* Filter Chips in Search View */
  .filter-chips-row {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    padding-bottom: 4px !important;
    gap: 8px !important;
  }

  .filter-chips-row::-webkit-scrollbar {
    display: none !important;
  }

  .filter-chip {
    flex-shrink: 0 !important;
    padding: 6px 14px !important;
    font-size: 0.8rem !important;
  }

  /* --- 6. Mobile Floating Mini-Player Bar --- */
  .app-player-bar {
    position: fixed !important;
    bottom: calc(var(--mobile-nav-height) + var(--safe-bottom) + 8px) !important;
    left: 10px !important;
    right: 10px !important;
    height: var(--mobile-mini-player-height) !important;
    background: rgba(18, 18, 28, 0.92) !important;
    backdrop-filter: blur(28px) !important;
    -webkit-backdrop-filter: blur(28px) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    border-radius: 16px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 20px rgba(168, 85, 247, 0.22) !important;
    padding: 0 10px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 8px !important;
    z-index: 150 !important;
    overflow: hidden !important;
    cursor: pointer;
  }

  /* Built-in Slim Real-Time Progress Bar at bottom edge of Mini-Player */
  .app-player-bar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2.5px;
    background: var(--accent-gradient);
    width: var(--progress-percent, 0%);
    transition: width 0.25s linear;
    border-radius: 0 0 16px 16px;
    z-index: 2;
  }

  /* Left Track Info on Mini-Player */
  .player-track-info {
    flex: 1 !important;
    min-width: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
  }

  .player-thumbnail-wrap {
    width: 42px !important;
    height: 42px !important;
    min-width: 42px !important;
    border-radius: 10px !important;
    overflow: hidden !important;
    flex-shrink: 0 !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4) !important;
  }

  .player-thumbnail-wrap img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }

  .player-thumb-hover-icon {
    display: none !important;
  }

  .player-text-meta {
    flex: 1 !important;
    min-width: 0 !important;
  }

  .player-track-title {
    font-size: 0.88rem !important;
    font-weight: 700 !important;
    color: #fff !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    line-height: 1.2 !important;
  }

  .player-track-subline {
    font-size: 0.74rem !important;
    color: var(--text-secondary) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    line-height: 1.2 !important;
  }

  .player-status-sep, .player-play-state {
    display: none !important;
  }

  /* Mini-Player Like Button */
  .player-like-btn {
    width: 36px !important;
    height: 36px !important;
    flex-shrink: 0 !important;
  }

  /* Center Controls on Mini-Player: Keep ONLY Play/Pause & Next Button */
  .player-center-controls {
    flex: initial !important;
    width: auto !important;
  }

  .player-seekbar-row {
    display: none !important;
  }

  .player-buttons-row {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
  }

  #player-shuffle-btn,
  #player-prev-btn,
  #player-repeat-btn {
    display: none !important;
  }

  .btn-play-pause {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    border-radius: 50% !important;
    background: var(--accent-gradient) !important;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.45) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
  }

  .btn-play-pause svg {
    width: 18px !important;
    height: 18px !important;
  }

  #player-next-btn {
    width: 36px !important;
    height: 36px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: #fff !important;
    flex-shrink: 0 !important;
  }

  /* Hide Desktop Right-Hand Volume & Excess Tools from Mini-Player */
  .player-right-controls {
    display: none !important;
  }

  /* --- 7. Mobile Bottom Navigation Bar --- */
  .mobile-bottom-nav {
    display: flex !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: calc(var(--mobile-nav-height) + var(--safe-bottom)) !important;
    padding-bottom: var(--safe-bottom) !important;
    background: rgba(9, 10, 18, 0.95) !important;
    backdrop-filter: blur(24px) !important;
    -webkit-backdrop-filter: blur(24px) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
    z-index: 200 !important;
    justify-content: space-around !important;
    align-items: center !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5) !important;
  }

  .mobile-nav-btn {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 3px !important;
    background: transparent !important;
    border: none !important;
    color: var(--text-muted) !important;
    font-size: 0.68rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    min-width: 60px !important;
    min-height: 48px !important;
    transition: all 0.2s ease !important;
  }

  .mobile-nav-btn svg {
    transition: transform 0.2s ease, color 0.2s ease !important;
  }

  .mobile-nav-btn.active {
    color: #fff !important;
  }

  .mobile-nav-btn.active svg {
    color: var(--accent-purple) !important;
    transform: translateY(-2px) scale(1.1) !important;
    filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.6)) !important;
  }

  /* --- 8. Mobile Fullscreen Immersive Player Sheet (Complete Extended Player CSS) --- */
  .fullscreen-player-modal,
  .expanded-player-modal {
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important;
    height: 100% !important;
    height: 100dvh !important;
    background: #06070b !important;
    z-index: 99999 !important;
    display: flex !important;
    flex-direction: column !important;
    transform: translateY(105%) !important;
    transition: transform 0.34s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease !important;
    opacity: 0 !important;
    pointer-events: none !important;
    overflow: hidden !important;
    padding: 0 !important;
    touch-action: pan-y !important;
    user-select: none !important;
    -webkit-user-select: none !important;
  }

  .fullscreen-player-modal.active,
  .expanded-player-modal.active,
  .expanded-player-modal.open {
    transform: translateY(0%) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  /* Ambient Dynamic Backdrop & Ultra Sonic Aura */
  .player-ambient-bg {
    position: absolute !important;
    inset: -20% !important;
    width: 140% !important;
    height: 140% !important;
    object-fit: cover !important;
    filter: blur(70px) saturate(2) brightness(0.25) !important;
    opacity: 0.9 !important;
    pointer-events: none !important;
    z-index: 1 !important;
  }

  .ultrasonic-ambient-aura {
    position: absolute !important;
    inset: 0 !important;
    background: radial-gradient(circle at 50% 25%, rgba(16, 185, 129, 0.25) 0%, rgba(11, 15, 28, 0.75) 60%, #06070b 100%) !important;
    pointer-events: none !important;
    z-index: 2 !important;
  }

  /* Content Wrapper */
  .expanded-player-modal .player-content-wrap {
    height: 100% !important;
    height: 100dvh !important;
    display: flex !important;
    flex-direction: column !important;
    padding: calc(var(--safe-top, env(safe-area-inset-top, 0px)) + 8px) clamp(14px, 4vw, 20px) calc(var(--safe-bottom, env(safe-area-inset-bottom, 0px)) + 14px) clamp(14px, 4vw, 20px) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch !important;
    position: relative !important;
    z-index: 3 !important;
    box-sizing: border-box !important;
  }
  .expanded-player-modal .player-content-wrap::-webkit-scrollbar {
    display: none !important;
  }

  /* Pull-down drag handle */
  .player-drag-handle {
    width: 36px !important;
    height: 4px !important;
    background: rgba(255, 255, 255, 0.3) !important;
    border-radius: 99px !important;
    margin: 0 auto 6px auto !important;
    flex-shrink: 0 !important;
    cursor: grab !important;
    transition: background 0.2s ease, transform 0.2s ease !important;
  }
  .player-drag-handle:active {
    background: rgba(16, 185, 129, 0.8) !important;
    transform: scaleX(1.15) !important;
  }

  /* Top Header Row */
  .player-top-row {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    min-height: 38px !important;
    margin-bottom: 6px !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    gap: 8px !important;
  }
  .player-dismiss-btn,
  .player-more-btn,
  .player-top-action-btn {
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: #ffffff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
  }
  .player-dismiss-btn:active,
  .player-more-btn:active,
  .player-top-action-btn:active {
    transform: scale(0.92) !important;
    background: rgba(255, 255, 255, 0.16) !important;
  }
  .player-top-actions {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
  }
  .player-header-meta {
    text-align: center !important;
    min-width: 0 !important;
    flex: 1 !important;
  }
  .player-header-lbl {
    font-size: 0.65rem !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.1em !important;
    color: #10b981 !important;
    line-height: 1.2 !important;
  }
  .player-header-album {
    font-size: 0.82rem !important;
    font-weight: 600 !important;
    color: rgba(255, 255, 255, 0.7) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    line-height: 1.2 !important;
  }

  /* View Switcher Tabs (Playing / Lyrics / Queue) */
  .expanded-player-tabs {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    margin: 0 auto 6px auto !important;
    background: rgba(255, 255, 255, 0.07) !important;
    border: 1px solid rgba(255, 255, 255, 0.09) !important;
    padding: 3px !important;
    border-radius: 999px !important;
    flex-shrink: 0 !important;
    backdrop-filter: blur(12px) !important;
  }
  .expanded-tab-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    padding: 4px 12px !important;
    border-radius: 999px !important;
    background: transparent !important;
    border: none !important;
    color: #94a3b8 !important;
    font-size: 0.76rem !important;
    font-weight: 700 !important;
    cursor: pointer !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }
  .expanded-tab-btn.active {
    background: #10b981 !important;
    color: #06070b !important;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.4) !important;
  }

  /* Ultra Sonic Audio Engine Pill Badge */
  .ultrasonic-sound-badge {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 3px 10px !important;
    border-radius: 999px !important;
    background: rgba(16, 185, 129, 0.12) !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
    font-size: 0.65rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.06em !important;
    color: #10b981 !important;
    margin: 0 auto 8px auto !important;
    cursor: pointer !important;
    flex-shrink: 0 !important;
    transition: all 0.2s ease !important;
  }

  /* Tab Panes */
  .expanded-tab-pane {
    display: none !important;
    width: 100% !important;
  }
  .expanded-tab-pane.active {
    display: flex !important;
    flex-direction: column !important;
  }

  /* Pane 1: Now Playing Artwork Frame */
  #paneNowPlaying.active {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 6px !important;
  }
  .player-art-frame {
    width: min(65vw, 240px) !important;
    height: min(65vw, 240px) !important;
    max-height: 30vh !important;
    aspect-ratio: 1/1 !important;
    border-radius: 20px !important;
    overflow: hidden !important;
    position: relative !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.85), 0 0 28px rgba(16, 185, 129, 0.22) !important;
    background: #0e111a !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    margin: 0 auto !important;
    flex-shrink: 1 !important;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease !important;
  }
  .player-art-frame img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
  }
  .mobile-sonic-canvas {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 2 !important;
    pointer-events: none !important;
    background: rgba(8, 10, 16, 0.82) !important;
    backdrop-filter: blur(4px) !important;
  }
  .art-visualizer-toggle-btn {
    position: absolute !important;
    bottom: 8px !important;
    right: 8px !important;
    z-index: 3 !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    padding: 3px 8px !important;
    border-radius: 999px !important;
    background: rgba(6, 7, 11, 0.8) !important;
    border: 1px solid rgba(16, 185, 129, 0.45) !important;
    backdrop-filter: blur(10px) !important;
    color: #10b981 !important;
    font-size: 0.62rem !important;
    font-weight: 700 !important;
    cursor: pointer !important;
  }

  /* Track Title Row */
  .player-title-row {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: 6px !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    gap: 12px !important;
  }
  .player-track-info {
    min-width: 0 !important;
    flex: 1 !important;
    text-align: left !important;
  }
  .player-song-title {
    font-size: clamp(1.1rem, 4vw, 1.35rem) !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    line-height: 1.25 !important;
    letter-spacing: -0.01em !important;
  }
  .player-song-artist {
    font-size: clamp(0.82rem, 3vw, 0.92rem) !important;
    font-weight: 600 !important;
    color: rgba(255, 255, 255, 0.65) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    line-height: 1.2 !important;
    margin-top: 2px !important;
  }
  .player-title-actions {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    flex-shrink: 0 !important;
  }
  .player-quick-btn,
  .player-heart-btn {
    width: 38px !important;
    height: 38px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: transparent !important;
    border: none !important;
    color: rgba(255, 255, 255, 0.65) !important;
    cursor: pointer !important;
    border-radius: 50% !important;
  }
  .player-heart-btn.liked {
    color: #10b981 !important;
  }
  .player-heart-btn.liked svg {
    fill: currentColor !important;
  }

  /* Progress Scrubber */
  .progress-container {
    margin-bottom: 6px !important;
    flex-shrink: 0 !important;
    width: 100% !important;
  }
  .progress-slider-wrap {
    position: relative !important;
    height: 20px !important;
    display: flex !important;
    align-items: center !important;
    width: 100% !important;
  }
  .progress-track {
    position: relative !important;
    width: 100% !important;
    height: 4.5px !important;
    background: rgba(255, 255, 255, 0.16) !important;
    border-radius: 99px !important;
    overflow: hidden !important;
  }
  .progress-buffer {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    height: 100% !important;
    background: rgba(255, 255, 255, 0.3) !important;
    border-radius: 99px !important;
  }
  .progress-filled {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    height: 100% !important;
    background: #10b981 !important;
    border-radius: 99px !important;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5) !important;
  }
  .progress-scrub-input {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    opacity: 0 !important;
    cursor: pointer !important;
    z-index: 5 !important;
    margin: 0 !important;
  }
  .progress-time-row {
    display: flex !important;
    justify-content: space-between !important;
    font-size: 0.72rem !important;
    color: rgba(255, 255, 255, 0.5) !important;
    font-family: monospace !important;
    margin-top: 3px !important;
  }

  /* Primary Controls Row */
  .player-controls-row {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: 6px !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    padding: 0 2px !important;
  }
  .ctrl-btn {
    background: transparent !important;
    border: none !important;
    color: rgba(255, 255, 255, 0.7) !important;
    cursor: pointer !important;
    padding: 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 50% !important;
    transition: all 0.2s ease !important;
  }
  .ctrl-btn:active {
    transform: scale(0.9) !important;
  }
  .ctrl-btn.active {
    color: #10b981 !important;
  }
  .ctrl-btn-play {
    width: clamp(54px, 13vw, 62px) !important;
    height: clamp(54px, 13vw, 62px) !important;
    border-radius: 50% !important;
    background: #10b981 !important;
    color: #06070b !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    box-shadow: 0 4px 18px rgba(16, 185, 129, 0.45) !important;
    flex-shrink: 0 !important;
    transition: transform 0.18s ease, box-shadow 0.18s ease !important;
  }
  .ctrl-btn-play:active {
    transform: scale(0.92) !important;
  }
  .ctrl-btn-play svg {
    fill: #06070b !important;
  }

  /* Spotify Quick Tools Toolbar */
  .player-spotify-toolbar {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 4px 8px !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 14px !important;
    margin-bottom: 6px !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    gap: 4px !important;
  }

  /* Dedicated Mobile Volume Row */
  .mobile-volume-row {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 5px 12px !important;
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.07) !important;
    border-radius: 12px !important;
    margin-bottom: 8px !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    backdrop-filter: blur(12px) !important;
  }

  /* Spotify Floating Lyrics Preview Card */
  .spotify-lyrics-preview-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.18) 0%, rgba(13, 16, 28, 0.94) 100%) !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
    border-radius: 16px !important;
    padding: 10px 14px !important;
    cursor: pointer !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    backdrop-filter: blur(16px) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45) !important;
    margin-bottom: 8px !important;
  }

  /* Fullscreen Lyrics and Queue Modes */
  #paneLyrics,
  #paneQueue {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    height: calc(100dvh - 120px) !important;
    max-height: calc(100dvh - 120px) !important;
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    overflow: hidden !important;
  }
  .mobile-lyrics-scroll {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    height: 100% !important;
    overflow-y: auto !important;
    padding: 12px 10px 50px 10px !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .mobile-lyrics-scroll .lyric-line {
    font-size: 1.28rem !important;
    font-weight: 700 !important;
    padding: 10px 12px !important;
    text-align: left !important;
    line-height: 1.4 !important;
    color: rgba(255, 255, 255, 0.35) !important;
    border-radius: 10px !important;
    transition: all 0.22s ease !important;
  }
  .mobile-lyrics-scroll .lyric-line.active {
    font-size: 1.55rem !important;
    font-weight: 900 !important;
    color: #ffffff !important;
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.7) !important;
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.22) 0%, transparent 100%) !important;
    transform: translateX(6px) !important;
  }
  .mobile-queue-scroll {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    height: 100% !important;
    overflow-y: auto !important;
    padding: 6px 4px 40px 4px !important;
    -webkit-overflow-scrolling: touch !important;
  }

  /* Adaptive Tab View Switching */
  .expanded-player-modal.tab-lyrics .player-art-frame,
  .expanded-player-modal.tab-lyrics .player-title-row,
  .expanded-player-modal.tab-lyrics .progress-container,
  .expanded-player-modal.tab-lyrics .player-controls-row,
  .expanded-player-modal.tab-lyrics .player-spotify-toolbar,
  .expanded-player-modal.tab-lyrics .mobile-volume-row,
  .expanded-player-modal.tab-lyrics .spotify-lyrics-preview-card,
  .expanded-player-modal.tab-queue .player-art-frame,
  .expanded-player-modal.tab-queue .player-title-row,
  .expanded-player-modal.tab-queue .progress-container,
  .expanded-player-modal.tab-queue .player-controls-row,
  .expanded-player-modal.tab-queue .player-spotify-toolbar,
  .expanded-player-modal.tab-queue .mobile-volume-row,
  .expanded-player-modal.tab-queue .spotify-lyrics-preview-card {
    display: none !important;
  }

  /* --- 9. Mobile Bottom Sheet Modals --- */
  .modal-overlay {
    align-items: flex-end !important;
    padding: 0 !important;
    background: rgba(0, 0, 0, 0.8) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
  }

  .modal-card {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 88vh !important;
    border-radius: 26px 26px 0 0 !important;
    padding: 20px 18px calc(var(--safe-bottom) + 20px) !important;
    animation: sheetSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  @keyframes sheetSlideUp {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }

  .modal-header {
    margin-bottom: 1.25rem !important;
  }

  .modal-header h2 {
    font-size: 1.2rem !important;
  }

  .modal-close {
    width: 38px !important;
    height: 38px !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.08) !important;
  }

  .input-with-button {
    flex-direction: column !important;
    gap: 10px !important;
  }

  .input-with-button input {
    height: 48px !important;
    font-size: 0.95rem !important;
  }

  .input-with-button button {
    height: 46px !important;
    width: 100% !important;
    justify-content: center !important;
  }

  .sleep-options-grid, .diagnostics-grid, .themes-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .sleep-btn, .theme-card-btn {
    min-height: 48px !important;
    font-size: 0.88rem !important;
  }

  /* Toasts on Mobile */
  #toasts-container {
    bottom: calc(var(--mobile-nav-height) + var(--mobile-mini-player-height) + var(--safe-bottom) + 16px) !important;
    left: 14px !important;
    right: 14px !important;
    width: auto !important;
    align-items: center !important;
  }

  .toast {
    width: auto !important;
    max-width: 100% !important;
    font-size: 0.85rem !important;
  }
}

/* Fine-tune for very small mobile screens (<= 390px) */
@media (max-width: 390px) {
  .hero-title {
    font-size: 1.25rem;
  }

  .tracks-table .col-title-text {
    max-width: 145px !important;
  }

  .tracks-table .col-artist-text {
    max-width: 145px !important;
  }

  .player-track-title {
    max-width: 160px !important;
  }

  .player-track-subline {
    max-width: 160px !important;
  }

  .themes-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Mobile PWA Enhancements */
@media (max-width: 768px) {
  .pwa-update-toast {
    bottom: calc(var(--mobile-nav-height, 58px) + var(--mobile-mini-player-height, 58px) + var(--safe-bottom, 0px) + 12px) !important;
    left: 12px !important;
    right: 12px !important;
    max-width: none !important;
    padding: 12px 14px !important;
  }
  .header-install-btn {
    padding: 6px 10px !important;
    font-size: 12px !important;
  }
  .header-install-text {
    display: none;
  }

  /* Mobile Playlist Cards & Grids */
  .playlist-cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  .cards-carousel .playlist-card,
  .cards-carousel .music-card {
    flex: 0 0 144px !important;
    width: 144px !important;
    min-width: 144px !important;
    max-width: 144px !important;
  }

  .playlist-card {
    padding: 8px !important;
    border-radius: 14px !important;
  }

  .playlist-card-title {
    font-size: 0.82rem !important;
    height: 2.6em !important;
    margin-top: 6px !important;
    margin-bottom: 2px !important;
  }

  .playlist-card-subtitle {
    font-size: 0.72rem !important;
  }

  .playlist-card-quick-play {
    width: 36px !important;
    height: 36px !important;
    right: 6px !important;
    bottom: 6px !important;
    opacity: 1 !important;
    transform: none !important;
  }

  /* Desktop Drawers are hidden on mobile viewports */
  .lyrics-drawer,
  .queue-drawer {
    display: none !important;
  }

  .player-art-frame {
    max-width: 280px !important;
    margin: 8px auto 14px !important;
  }
}