/* ============================================================
   LUMINA MUSIC - ULTRA-LIGHT GLASSMORPHISM DESIGN SYSTEM
   ============================================================ */

:root {
    --bg-base: #06080d;
    --bg-surface: rgba(15, 19, 29, 0.6);
    --bg-surface-elevated: rgba(23, 29, 44, 0.68);
    --glass-border: rgba(255, 255, 255, 0.09);
    --glass-border-focus: rgba(168, 85, 247, 0.4);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-primary: #8b5cf6;
    --accent-secondary: #06b6d4;
    --accent-pink: #ec4899;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --accent-glow: rgba(139, 92, 246, 0.4);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --blur-intensity: blur(28px) saturate(180%);
    --shadow-glass: 0 12px 40px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 25px var(--accent-glow);
    
    --header-height: 44px;
    --player-height: 84px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.14);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.28);
}

/* ============================================================
   AMBIENT GLOW / HIGH-PERFORMANCE ZERO-GPU AURORA
   ============================================================ */
.ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    opacity: 0.65;
    background: radial-gradient(circle at 20% 15%, rgba(99, 102, 241, 0.15) 0%, transparent 60%),
                radial-gradient(circle at 85% 85%, rgba(236, 72, 153, 0.12) 0%, transparent 60%),
                radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
    transition: background 1.2s ease, opacity 0.5s ease;
    will-change: auto;
}

/* Zero continuous animation loops = Zero GPU lag in games */
.glow-orb {
    display: none;
}

/* ============================================================
   GAMER & UNFOCUSED LOW-POWER OPTIMIZATIONS
   ============================================================ */

/* When user is playing a game or window loses focus: complete GPU freeze */
body.window-unfocused .equalizer-bars .bar {
    animation-play-state: paused !important;
}

body.window-unfocused .logo-icon,
body.window-unfocused .vinyl-disc {
    animation-play-state: paused !important;
}

/* Gamer Mode: Disables heavy backdrop-filter blurs to guarantee maximum FPS in games */
body.gamer-mode .glass-sidebar,
body.gamer-mode .app-top-header,
body.gamer-mode .glass-player-bar,
body.gamer-mode .hero-banner,
body.gamer-mode .song-card,
body.gamer-mode .playlist-header-card,
body.gamer-mode .playlist-card,
body.gamer-mode .lyrics-view-container {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: #0f131d !important;
}

body.gamer-mode .ambient-glow {
    display: none !important;
}

body.gamer-mode .equalizer-bars {
    display: none !important;
}

/* ============================================================
   APP LAYOUT
   ============================================================ */
.app-layout {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.02) 0%, transparent 75%);
}

/* ============================================================
   APP TOP HEADER BAR
   ============================================================ */
.app-top-header {
    height: var(--header-height);
    background: rgba(10, 13, 20, 0.65);
    backdrop-filter: var(--blur-intensity);
    -webkit-backdrop-filter: var(--blur-intensity);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}

.logo-icon {
    width: 16px;
    height: 16px;
    color: #fff;
    animation: rotateSlow 16s linear infinite;
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.brand-name {
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #ffffff;
}

.brand-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-tag {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-secondary);
    padding: 2px 7px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(6, 182, 212, 0.25);
}

.header-center {
    display: flex;
    align-items: center;
}

.memory-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    color: #38bdf8;
    backdrop-filter: blur(10px);
}

.memory-badge .badge-icon {
    width: 12px;
    height: 12px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.win-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 30px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.18s ease;
}

.win-btn i {
    width: 14px;
    height: 14px;
}

.win-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.win-btn.win-close:hover {
    background: #ef4444;
    color: #fff;
}

/* ============================================================
   MAIN BODY (SIDEBAR + CONTENT)
   ============================================================ */
.main-body {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
    padding-bottom: calc(var(--player-height) + 12px);
}

/* SIDEBAR */
.glass-sidebar {
    width: 230px;
    min-width: 230px;
    background: var(--bg-surface);
    backdrop-filter: var(--blur-intensity);
    -webkit-backdrop-filter: var(--blur-intensity);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 18px 12px;
    gap: 6px;
    z-index: 10;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
    padding: 8px 12px 6px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: left;
    position: relative;
}

.nav-item i {
    width: 18px;
    height: 18px;
    stroke-width: 1.8;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(2px);
}

.nav-item.active {
    background: rgba(168, 85, 247, 0.12);
    color: #fff;
    border-color: rgba(168, 85, 247, 0.3);
    font-weight: 600;
    box-shadow: 0 4px 18px rgba(168, 85, 247, 0.15);
}

.nav-item.active i {
    color: var(--accent-primary);
}

.nav-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 7px;
    border-radius: var(--radius-full);
}

.sidebar-spacer {
    flex: 1;
}

.sidebar-track-preview {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: 10px;
}

.sidebar-thumb {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.sidebar-info {
    overflow: hidden;
    font-size: 12px;
}

.sidebar-title {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-artist {
    color: var(--text-muted);
    font-size: 11px;
}

.sidebar-footer {
    padding: 8px 4px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tech-info {
    display: flex;
    flex-direction: column;
    font-size: 10.5px;
    color: var(--text-muted);
    line-height: 1.4;
}

.tech-highlight {
    color: #34d399;
    font-weight: 600;
}

/* ============================================================
   CONTENT VIEWPORT
   ============================================================ */
.content-viewport {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    padding: 16px 24px;
}

/* TOP ACTION BAR */
.top-action-bar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 620px;
}

.search-icon {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input-wrapper input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: 10px 42px 10px 42px;
    font-size: 13.5px;
    color: var(--text-primary);
    outline: none;
    transition: all 0.25s ease;
    backdrop-filter: blur(15px);
}

.search-input-wrapper input:focus {
    background: rgba(255, 255, 255, 0.09);
    border-color: var(--glass-border-focus);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.2);
}

.search-input-wrapper input::placeholder {
    color: var(--text-muted);
}

.search-clear-btn {
    position: absolute;
    right: 12px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: flex;
}

.search-clear-btn:hover {
    color: var(--text-primary);
}

.search-clear-btn i {
    width: 16px;
    height: 16px;
}

/* GENRE CHIPS */
.genre-chips-container {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
}

.genre-chips-container::-webkit-scrollbar {
    display: none;
}

.chip-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.chip-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.18);
}

.chip-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

/* ============================================================
   VIEW PANELS
   ============================================================ */
.views-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    padding-right: 6px;
}

.view-panel {
    display: none;
    animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.view-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 3px;
}

/* HERO BANNER */
.hero-banner {
    position: relative;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(30, 27, 75, 0.5) 0%, rgba(15, 23, 42, 0.6) 100%);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--blur-intensity);
    padding: 28px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-glass);
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 58%;
    z-index: 2;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: #c084fc;
    margin-bottom: 10px;
}

.hero-tag i {
    width: 14px;
    height: 14px;
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: 26px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 8px;
    color: #fff;
}

.hero-subtitle {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 18px;
}

.hero-artwork {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-vinyl-wrapper {
    position: relative;
    width: 130px;
    height: 130px;
}

.hero-art-img {
    width: 110px;
    height: 110px;
    border-radius: var(--radius-md);
    object-fit: cover;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.vinyl-disc {
    position: absolute;
    top: 5px;
    right: -15px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, #222 20%, #111 60%, #000 100%);
    border-radius: 50%;
    border: 2px solid #333;
    z-index: 1;
    animation: rotateSlow 8s linear infinite;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

/* ============================================================
   SONG CARDS & GRID (PORTADAS Y LISTAS)
   ============================================================ */
.songs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.song-card {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 12px;
    cursor: pointer;
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: var(--blur-intensity);
    display: flex;
    flex-direction: column;
}

.song-card:hover {
    background: var(--bg-surface-elevated);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(168, 85, 247, 0.15);
}

.card-thumb-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
    background: rgba(0, 0, 0, 0.3);
}

.card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.song-card:hover .card-thumb {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.2s ease;
}

.song-card:hover .card-overlay {
    opacity: 1;
}

.card-play-btn {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(168, 85, 247, 0.6);
    transform: scale(0.85);
    transition: transform 0.2s ease;
}

.song-card:hover .card-play-btn {
    transform: scale(1);
}

.card-play-btn i {
    width: 20px;
    height: 20px;
    margin-left: 2px;
}

.card-meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.card-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-artist {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.card-duration {
    font-size: 11px;
    color: var(--text-muted);
}

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

.card-action-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 3px;
    border-radius: 4px;
    transition: all 0.15s ease;
}

.card-action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.card-action-btn.active {
    color: var(--accent-pink);
}

.card-action-btn i {
    width: 15px;
    height: 15px;
}

/* ============================================================
   QUEUE & LIST VIEW
   ============================================================ */
.queue-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.queue-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.queue-item:hover {
    background: var(--bg-surface-elevated);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateX(4px);
}

.queue-item.active {
    background: rgba(168, 85, 247, 0.12);
    border-color: rgba(168, 85, 247, 0.35);
}

.queue-index {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    width: 20px;
}

.queue-item.active .queue-index {
    color: var(--accent-primary);
}

.queue-thumb {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    object-fit: cover;
}

.queue-info {
    flex: 1;
    overflow: hidden;
}

.queue-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.queue-artist {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.queue-duration {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================================
   LYRICS VIEW
   ============================================================ */
.lyrics-view-container {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: rgba(15, 19, 29, 0.65);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--blur-intensity);
    max-width: 760px;
    margin: 0 auto;
}

.lyrics-header {
    margin-bottom: 24px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 16px;
}

.lyrics-song-meta h2 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}

.lyrics-song-meta p {
    font-size: 14px;
    color: var(--accent-secondary);
    margin-top: 4px;
}

.lyrics-body {
    font-size: 17px;
    line-height: 2.2;
    color: var(--text-secondary);
    white-space: pre-line;
    max-height: 55vh;
    overflow-y: auto;
    padding-right: 12px;
    font-weight: 400;
}

.lyrics-placeholder {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: 40px 0;
}

.lyrics-source {
    margin-top: 20px;
    font-size: 11px;
    color: var(--text-muted);
    text-align: right;
}

/* ============================================================
   FLOATING GLASS PLAYER BAR
   ============================================================ */
.glass-player-bar {
    position: fixed;
    bottom: 12px;
    left: 14px;
    right: 14px;
    height: var(--player-height);
    background: rgba(14, 18, 28, 0.78);
    backdrop-filter: blur(35px) saturate(200%);
    -webkit-backdrop-filter: blur(35px) saturate(200%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.6), inset 0 1px 0 var(--glass-highlight);
    transition: border-color 0.4s ease;
}

/* PLAYER LEFT */
.player-left {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 28%;
    min-width: 200px;
}

.now-playing-art-wrapper {
    position: relative;
    width: 52px;
    height: 52px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    flex-shrink: 0;
}

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

/* EQUALIZER BARS OVERLAY */
.equalizer-bars {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: none;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
    padding-bottom: 12px;
}

.equalizer-bars.playing {
    display: flex;
}

.equalizer-bars .bar {
    width: 3px;
    background: #fff;
    border-radius: 2px;
    animation: bounceBar 0.9s ease infinite alternate;
}

.bar-1 { height: 14px; animation-delay: 0.1s !important; }
.bar-2 { height: 22px; animation-delay: 0.3s !important; }
.bar-3 { height: 18px; animation-delay: 0.2s !important; }
.bar-4 { height: 10px; animation-delay: 0.4s !important; }

@keyframes bounceBar {
    0% { height: 4px; }
    100% { height: 24px; }
}

.now-playing-text {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.track-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.track-artist {
    font-size: 11.5px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 7px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.18s ease;
}

.player-icon-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.player-icon-btn.active {
    color: var(--accent-primary);
}

.fav-toggle-btn.active {
    color: var(--accent-pink);
}

.player-icon-btn i {
    width: 18px;
    height: 18px;
}

/* PLAYER CENTER */
.player-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: 44%;
    max-width: 580px;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 14px;
}

.play-btn-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border: none;
    color: #0b0d14;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.play-btn-circle:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.45);
}

.play-btn-circle i {
    width: 18px;
    height: 18px;
    margin-left: 2px;
}

.play-btn-circle.playing i {
    margin-left: 0;
}

/* PROGRESS BAR */
.player-progress-container {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.time-label {
    font-size: 11px;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    width: 32px;
}

.slider-track {
    position: relative;
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    cursor: pointer;
    transition: height 0.15s ease;
}

.slider-track:hover {
    height: 6px;
}

.slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    pointer-events: none;
}

.slider-thumb {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.8);
    pointer-events: none;
    transition: transform 0.15s ease;
}

.slider-track:hover .slider-thumb {
    transform: translate(-50%, -50%) scale(1);
}

/* PLAYER RIGHT */
.player-right {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 28%;
    justify-content: flex-end;
}

.volume-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.volume-slider-track {
    position: relative;
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    cursor: pointer;
    transition: height 0.15s ease;
}

.volume-slider-track:hover {
    height: 6px;
}

.volume-slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: #fff;
    border-radius: 4px;
    pointer-events: none;
}

.volume-slider-thumb {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    pointer-events: none;
    transition: transform 0.15s ease;
}

.volume-slider-track:hover .volume-slider-thumb {
    transform: translate(-50%, -50%) scale(1);
}

/* ============================================================
   BUTTONS & GENERAL COMPONENTS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.22s ease;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(168, 85, 247, 0.55);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.14);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn i {
    width: 16px;
    height: 16px;
}

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-icon {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 14px;
    opacity: 0.6;
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 13px;
}

/* SECTION LOADER */
.section-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 50px 0;
    color: var(--text-muted);
    font-size: 13px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.08);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: rotateSlow 0.8s linear infinite;
}

/* TOAST NOTIFICATIONS */
.toast-container {
    position: fixed;
    bottom: calc(var(--player-height) + 24px);
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 2000;
    pointer-events: none;
}

.toast {
    background: rgba(18, 22, 34, 0.92);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 13px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1), toastOut 0.3s cubic-bezier(0.16, 1, 0.3, 1) 2.7s forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-8px) scale(0.95); }
}

/* ============================================================
   PLAYLISTS & IMPORT MODAL SYSTEM
   ============================================================ */

.w-100 {
    width: 100%;
}

.sidebar-action-box {
    padding: 6px 4px 4px;
}

.import-hero-box {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 22px 28px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(20, 24, 38, 0.65) 0%, rgba(15, 23, 42, 0.5) 100%);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--blur-intensity);
    margin-bottom: 26px;
}

.import-hero-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.import-hero-icon i {
    width: 24px;
    height: 24px;
}

.import-hero-info {
    flex: 1;
}

.import-hero-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 3px;
}

.import-hero-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.import-input-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 42%;
    min-width: 280px;
}

.import-input-inline input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: 9px 16px;
    font-size: 13px;
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s ease;
}

.import-input-inline input:focus {
    border-color: var(--glass-border-focus);
    background: rgba(255, 255, 255, 0.08);
}

/* PLAYLISTS GRID */
.playlists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 18px;
}

.playlist-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 14px;
    cursor: pointer;
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: var(--blur-intensity);
    display: flex;
    flex-direction: column;
}

.playlist-card:hover {
    background: var(--bg-surface-elevated);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.playlist-thumb-box {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 12px;
}

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

.playlist-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.playlist-card-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* PLAYLIST DETAIL VIEW */
.playlist-header-card {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 28px 32px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(23, 28, 44, 0.7) 0%, rgba(12, 16, 26, 0.8) 100%);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--blur-intensity);
    margin-bottom: 24px;
    box-shadow: var(--shadow-glass);
}

.playlist-artwork-box {
    position: relative;
    width: 160px;
    height: 160px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.pl-detail-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.playlist-meta-box {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.playlist-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: var(--accent-secondary);
    margin-bottom: 8px;
}

.playlist-tag i {
    width: 14px;
    height: 14px;
}

.pl-detail-title {
    font-family: 'Outfit', sans-serif;
    font-size: 30px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 8px;
    color: #fff;
}

.pl-detail-stats {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.dot-separator {
    color: var(--text-muted);
    opacity: 0.5;
}

.playlist-actions-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* PLAYLIST TRACK ROWS TABLE */
.playlist-tracks-container {
    display: flex;
    flex-direction: column;
    padding-bottom: 40px;
}

.playlist-tracks-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.playlist-track-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.18s ease;
}

.playlist-track-row:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.08);
}

.playlist-track-row.active {
    background: rgba(168, 85, 247, 0.12);
    border-color: rgba(168, 85, 247, 0.3);
}

.row-index {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    width: 28px;
    text-align: center;
}

.playlist-track-row.active .row-index {
    color: var(--accent-primary);
}

.row-thumb {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.row-info {
    flex: 2;
    overflow: hidden;
}

.row-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.row-artist {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.row-album {
    flex: 1.5;
    font-size: 12.5px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.row-duration {
    font-size: 12px;
    color: var(--text-muted);
    width: 44px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.row-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.18s ease;
}

.playlist-track-row:hover .row-actions {
    opacity: 1;
}

/* MODAL OVERLAY & CARD */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 12, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    animation: modalOverlayIn 0.25s ease;
}

.modal-card {
    width: 90%;
    max-width: 520px;
    background: rgba(18, 23, 36, 0.85);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 26px 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.65);
    backdrop-filter: var(--blur-intensity);
    animation: modalPop 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalOverlayIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.92) translateY(14px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
}

.modal-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
}

.modal-header h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    display: flex;
    transition: all 0.15s ease;
}

.modal-close-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.modal-close-btn i {
    width: 18px;
    height: 18px;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 22px;
}

.modal-desc {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.modal-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.modal-input-wrap input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 12px 14px 12px 40px;
    font-size: 13.5px;
    color: #fff;
    outline: none;
    transition: all 0.2s ease;
}

.modal-input-wrap input:focus {
    border-color: var(--glass-border-focus);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.2);
}

.modal-hint {
    font-size: 11.5px;
    color: var(--text-muted);
}

.modal-hint code {
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent-secondary);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.player-modes-divider {
    width: 1px;
    height: 20px;
    background: var(--glass-border);
    margin: 0 4px;
}

/* ============================================================
   FULLSCREEN SONG VISUALIZER STYLES (CANCION EN PANTALLA COMPLETA)
   ============================================================ */
.fullscreen-visualizer {
    position: fixed;
    inset: 0;
    z-index: 5000;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #06080d;
    animation: fadeInFs 0.28s ease;
}

@keyframes fadeInFs {
    from { opacity: 0; transform: scale(1.02); }
    to { opacity: 1; transform: scale(1); }
}

.fs-backdrop {
    position: absolute;
    inset: -60px;
    background-size: cover;
    background-position: center;
    filter: blur(70px) brightness(0.28);
    transform: scale(1.15);
    z-index: 0;
    opacity: 0.85;
    transition: background-image 0.8s ease;
    pointer-events: none;
}

.fs-overlay-tint {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 40%, rgba(13, 17, 28, 0.4) 0%, rgba(6, 8, 13, 0.94) 85%);
    z-index: 1;
    pointer-events: none;
}

.fs-top-bar {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 38px 10px 38px;
}

.fs-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-secondary);
}

.fs-logo-icon {
    width: 22px;
    height: 22px;
    color: var(--accent-primary);
    animation: spinSlow 18s linear infinite;
}

.fs-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.fs-btn-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.fs-btn-icon:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    transform: scale(1.06);
}

.fs-btn-icon i {
    width: 18px;
    height: 18px;
}

.fs-content {
    position: relative;
    z-index: 10;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 75px;
    padding: 10px 60px 40px 60px;
    max-width: 1240px;
    margin: 0 auto;
    width: 100%;
}

.fs-art-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
    max-width: 42vw;
    max-height: 42vw;
    aspect-ratio: 1/1;
    border-radius: 28px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.75), 0 0 50px rgba(139, 92, 246, 0.28);
}

.fs-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.fs-art-glow {
    position: absolute;
    inset: -4px;
    border-radius: 32px;
    background: var(--accent-gradient);
    opacity: 0.15;
    filter: blur(20px);
    z-index: -1;
    pointer-events: none;
}

.fs-meta-section {
    flex: 1;
    max-width: 560px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.fs-track-info {
    margin-bottom: 24px;
}

.fs-title {
    font-family: 'Outfit', sans-serif;
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    letter-spacing: -0.02em;
}

.fs-artist {
    font-size: 21px;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.fs-album {
    font-size: 14.5px;
    color: var(--text-muted);
}

/* Big Interactive Progress Bar */
.fs-progress-container {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    width: 100%;
}

.fs-time-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 44px;
    font-variant-numeric: tabular-nums;
}

.fs-progress-track {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: height 0.15s ease;
}

.fs-progress-track:hover {
    height: 11px;
}

.fs-progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

.fs-progress-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.9);
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.15s ease;
    pointer-events: none;
}

.fs-progress-track:hover .fs-progress-thumb {
    opacity: 1;
}

/* Big Playback Controls */
.fs-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.fs-ctrl-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.fs-ctrl-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    transform: scale(1.08);
}

.fs-ctrl-btn.active {
    color: var(--accent-pink);
    background: rgba(236, 72, 153, 0.2);
    border-color: rgba(236, 72, 153, 0.5);
}

.fs-ctrl-btn i {
    width: 20px;
    height: 20px;
}

.fs-play-btn-large {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 32px rgba(139, 92, 246, 0.5);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.fs-play-btn-large:hover {
    transform: scale(1.08);
    box-shadow: 0 14px 40px rgba(139, 92, 246, 0.7);
}

.fs-play-btn-large i {
    width: 30px;
    height: 30px;
}

@media (max-width: 900px) {
    .fs-content {
        flex-direction: column;
        gap: 25px;
        text-align: center;
    }
    .fs-art-wrapper {
        width: 260px;
        height: 260px;
    }
    .fs-title {
        font-size: 26px;
    }
    .fs-artist {
        font-size: 17px;
    }
    .fs-controls {
        justify-content: center;
    }
}

/* ============================================================
   MINI FLOATING PLAYER STYLES (ALWAYS ON TOP OVER OTHER APPS)
   ============================================================ */
body.mini-player-mode .app-layout {
    display: none !important;
}

body.mini-player-mode .ambient-glow {
    display: none !important;
}

body.mini-player-mode .fullscreen-visualizer {
    display: none !important;
}

body.mini-player-mode .mini-player-container {
    display: flex !important;
}

.mini-player-container {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    background: #090c14;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8px 14px;
    overflow: hidden;
    user-select: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    cursor: grab;
}

.mini-player-container:active,
.mini-player-container.is-dragging,
.mini-player-container.is-dragging * {
    cursor: grabbing !important;
}

.mini-bg-art {
    position: absolute;
    inset: -20px;
    background-size: cover;
    background-position: center;
    filter: blur(28px) brightness(0.24);
    opacity: 0.9;
    z-index: 0;
    pointer-events: none;
}

.mini-tint {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14, 18, 29, 0.8) 0%, rgba(7, 9, 15, 0.94) 100%);
    z-index: 1;
    border-radius: 14px;
    pointer-events: none;
}

/* Header Row: Drag handle and actions */
.mini-header-row {
    position: absolute;
    top: 6px;
    left: 12px;
    right: 8px;
    z-index: 25;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
}

.mini-drag-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 16px;
    pointer-events: auto;
    cursor: grab;
}

.mini-drag-pill {
    width: 30px;
    height: 3.5px;
    background: rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    transition: background 0.15s ease;
}

.mini-drag-handle:hover .mini-drag-pill {
    background: rgba(255, 255, 255, 0.55);
}

.mini-top-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    pointer-events: auto;
}

.mini-action-btn {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.mini-action-btn:hover {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
    transform: scale(1.08);
}

.mini-action-btn i {
    width: 12px;
    height: 12px;
}

/* Base Content: Song Artwork & Titles */
.mini-content-row {
    position: relative;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

.mini-art-wrapper {
    width: 68px;
    height: 68px;
    min-width: 68px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.mini-text-wrapper {
    flex: 1;
    min-width: 0;
    padding-right: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.mini-title-marquee {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mini-title {
    font-size: 13.5px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.01em;
}

.mini-artist {
    font-size: 11.5px;
    color: var(--accent-secondary);
    margin-top: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

/* ============================================================
   HOVER REVEAL: PROGRESO Y CONTROLES AL PASAR EL MOUSE POR ENCIMA
   ============================================================ */
.mini-hover-panel {
    position: absolute;
    bottom: 8px;
    left: 12px;
    right: 12px;
    z-index: 15;
    display: flex;
    flex-direction: column;
    gap: 5px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* When mouse enters the mini window: */
.mini-player-container:hover .mini-content-row {
    transform: translateY(-20px);
}

.mini-player-container:hover .mini-art-wrapper {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 8px;
}

.mini-player-container:hover .mini-hover-panel {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* Mini Progress Bar */
.mini-progress-row {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.mini-time-label {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 28px;
    font-variant-numeric: tabular-nums;
}

.mini-progress-track {
    flex: 1;
    height: 5px;
    background: rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: height 0.12s ease;
}

.mini-progress-track:hover {
    height: 7px;
}

.mini-progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

.mini-progress-thumb {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.12s ease;
    pointer-events: none;
}

.mini-progress-track:hover .mini-progress-thumb {
    opacity: 1;
}

/* Mini Controls Row */
.mini-controls-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 1px;
}

.mini-ctrl-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.mini-ctrl-btn:hover {
    color: #fff;
    transform: scale(1.15);
}

.mini-ctrl-btn i {
    width: 15px;
    height: 15px;
}

.mini-play-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.45);
    transition: all 0.15s ease;
}

.mini-play-btn:hover {
    transform: scale(1.12);
    box-shadow: 0 6px 18px rgba(139, 92, 246, 0.65);
}

.mini-play-btn i {
    width: 14px;
    height: 14px;
}

/* ============================================================
   MOBILE RESPONSIVE & PWA STYLES (CELULAR Y PANTALLAS TÁCTILES)
   ============================================================ */

.mobile-bottom-nav {
    display: none;
}

@media (max-width: 768px) {
    /* Hide desktop sidebar */
    .glass-sidebar {
        display: none !important;
    }

    /* Main layout adjustment for mobile */
    .main-body {
        margin-left: 0;
        width: 100vw;
    }

    .main-content {
        padding: 12px 14px 150px 14px;
        width: 100%;
    }

    /* Top Header compact on mobile */
    .app-top-header {
        padding: 8px 14px;
        height: 54px;
    }

    .header-center {
        display: none;
    }

    .brand-tag {
        display: none;
    }

    .app-top-header .header-right {
        gap: 6px;
    }

    .app-top-header .btn {
        padding: 6px 10px;
        font-size: 11.5px;
    }

    /* Bottom Player Bar floating above mobile bottom nav */
    .glass-player-bar {
        bottom: 64px !important;
        left: 10px !important;
        right: 10px !important;
        height: 60px !important;
        border-radius: 14px !important;
        padding: 6px 12px !important;
        background: rgba(14, 18, 29, 0.95) !important;
        backdrop-filter: blur(25px) !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6) !important;
        border: 1px solid rgba(255, 255, 255, 0.14) !important;
        z-index: 990;
    }

    .player-left {
        flex: 1;
        min-width: 0;
        cursor: pointer;
    }

    .player-center .player-progress-container,
    .player-center .player-controls #btn-shuffle,
    .player-center .player-controls #btn-repeat,
    .player-center .player-controls #btn-prev,
    .player-right .volume-container,
    .player-right .player-modes-divider,
    .player-right #btn-player-mini,
    .player-right #btn-toggle-lyrics-quick,
    .player-right #btn-toggle-queue-quick {
        display: none !important;
    }

    .player-center {
        flex: 0 0 auto;
    }

    .player-center .player-controls {
        gap: 8px;
    }

    .play-btn-circle {
        width: 38px;
        height: 38px;
    }

    .play-btn-circle i {
        width: 18px;
        height: 18px;
    }

    .player-right {
        gap: 6px;
    }

    /* Mobile Bottom Navigation Bar */
    .mobile-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 58px;
        background: rgba(8, 10, 16, 0.96);
        backdrop-filter: blur(24px);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        display: flex;
        align-items: center;
        justify-content: space-around;
        padding: 4px 10px env(safe-area-inset-bottom, 4px);
        z-index: 1000;
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        background: transparent;
        border: none;
        color: var(--text-muted);
        font-size: 10px;
        font-weight: 500;
        cursor: pointer;
        padding: 6px 12px;
        border-radius: 8px;
        transition: all 0.15s ease;
    }

    .mobile-nav-item i {
        width: 20px;
        height: 20px;
    }

    .mobile-nav-item.active {
        color: var(--accent-primary);
    }

    .mobile-nav-item:active {
        transform: scale(0.92);
    }

    /* Grids responsive on mobile */
    .songs-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)) !important;
        gap: 12px !important;
    }

    .song-card {
        padding: 10px !important;
    }

    .playlists-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)) !important;
        gap: 12px !important;
    }

    /* Fullscreen Visualizer for Mobile */
    .fs-content {
        flex-direction: column;
        gap: 18px;
        padding: 20px 14px;
        text-align: center;
        justify-content: center;
    }

    .fs-art-wrapper {
        width: 240px !important;
        height: 240px !important;
        max-width: 65vw;
        max-height: 65vw;
    }

    .fs-title {
        font-size: 22px !important;
    }

    .fs-artist {
        font-size: 15px !important;
    }

    .fs-controls {
        justify-content: center;
        gap: 14px;
    }

    .fs-play-btn-large {
        width: 62px !important;
        height: 62px !important;
    }

    .fs-play-btn-large i {
        width: 26px !important;
        height: 26px !important;
    }
}