/* ==========================================================================
   TBOX Music Player — Premium Brand Identity Stylesheet
   ========================================================================== */

/* Brand Custom Variables */
:root {
    --bg-base: #100000;
    --bg-darker: #080000;
    --bg-card: rgba(26, 0, 0, 0.45);
    --bg-card-hover: rgba(255, 85, 51, 0.1);
    
    --color-primary: #c40000;       /* TBOX Red Crimson */
    --color-accent: #ff5533;        /* Neon Coral Highlight */
    --color-accent-rgb: 255, 85, 51;
    
    --text-main: #fff4ef;           /* Off-white Cream Text */
    --text-muted: #bda398;          /* Warm Grey Secondary Text */
    --text-dim: #735e55;            /* Darker muted text */
    
    --border-color: rgba(255, 244, 239, 0.08);
    --border-color-glow: rgba(255, 85, 51, 0.25);
    
    --sidebar-width: 240px;
    --playback-bar-height: 90px;
    --topbar-height: 64px;
    
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Global Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 85, 51, 0.2) transparent;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-base);
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
    user-select: none;
    -webkit-font-smoothing: antialiased;
}

/* Webkit Scrollbars Custom Styles */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 85, 51, 0.2);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Background Ambient Lighting Grid */
.site-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(196, 0, 0, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 85, 51, 0.06) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: var(--font-family);
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    outline: none;
}

/* ==========================================================================
   Structural Layout
   ========================================================================== */

.player-container {
    display: flex;
    height: calc(100vh - var(--playback-bar-height));
    width: 100%;
    position: relative;
}

/* ==========================================================================
   Sidebar (Aside Panel)
   ========================================================================== */

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-darker);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    z-index: 10;
    flex-shrink: 0;
}

.sidebar-header {
    margin-bottom: 28px;
    padding-left: 8px;
}

.brandmark {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brandmark svg {
    height: 24px;
    width: auto;
}

.brandmark polygon, .brandmark path {
    fill: var(--text-main);
    transition: var(--transition-smooth);
}

.brandmark:hover polygon, .brandmark:hover path {
    fill: var(--color-accent);
}

.logo-subtext {
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 5px;
    color: var(--color-accent);
    padding-left: 2px;
    margin-top: 1px;
}

/* Sidebar Nav Links */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.nav-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.nav-item:hover {
    color: var(--text-main);
    background-color: rgba(255, 254, 239, 0.04);
}

.nav-item.active {
    color: var(--text-main);
    background-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(196, 0, 0, 0.3);
}

.sidebar-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 12px 0 18px 0;
}

/* Sidebar Sections */
.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

.sidebar-title {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
    padding-left: 14px;
}

.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-list.scrollable {
    max-height: 160px;
    overflow-y: auto;
}

.sidebar-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 14px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: 8px;
    transition: var(--transition-smooth);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-list-item i {
    font-size: 14px;
    width: 20px;
    text-align: center;
    color: var(--color-accent);
    opacity: 0.85;
    transition: var(--transition-smooth);
}

.sidebar-list-item:hover {
    color: var(--text-main);
    background-color: rgba(255, 85, 51, 0.08);
    padding-left: 18px;
}

.sidebar-list-item:hover i {
    color: var(--text-main);
    opacity: 1;
}

/* Collections List */
.nav-playlist-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.col-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
}

.col-icon.fav {
    background-image: linear-gradient(135deg, #c40000, #ff8c75);
    color: #fff;
}

.col-icon.hist {
    background-color: #2c1a17;
    color: var(--color-accent);
}

.nav-playlist-item:hover {
    color: var(--text-main);
    background-color: rgba(255, 254, 239, 0.04);
}

/* Sidebar Brand Footer */
.sidebar-footer {
    margin-top: auto;
    padding-top: 16px;
}

.tech-badge {
    position: relative;
    background-color: rgba(196, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
}

.tech-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 85, 51, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.tech-badge i {
    color: var(--color-accent);
    font-size: 12px;
}

/* ==========================================================================
   Right Main Panel
   ========================================================================== */

.main-panel {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-color: transparent;
    height: 100%;
    overflow: hidden;
    position: relative;
}

/* Top bar Header Controls */
.main-panel .topbar {
    height: var(--topbar-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(16, 0, 0, 0.6);
    backdrop-filter: blur(12px);
    z-index: 5;
    flex-shrink: 0;
}

.navigation-controls {
    display: flex;
    gap: 8px;
}

.control-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: var(--transition-smooth);
}

.control-btn:hover {
    color: var(--text-main);
    background-color: rgba(0, 0, 0, 0.8);
}

/* Search Container in Topbar */
.search-bar-container {
    flex-grow: 1;
    max-width: 460px;
    height: 38px;
    background-color: rgba(255, 254, 239, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    margin: 0 24px;
    position: relative;
    transition: var(--transition-smooth);
}

.search-bar-container:focus-within {
    border-color: var(--color-accent);
    background-color: rgba(255, 85, 51, 0.05);
    box-shadow: 0 0 15px rgba(255, 85, 51, 0.15);
}

.search-icon {
    color: var(--text-muted);
    font-size: 14px;
}

#search-input {
    flex-grow: 1;
    background: none;
    border: none;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: 500;
    outline: none;
}

#search-input::placeholder {
    color: var(--text-dim);
}

#search-clear-btn {
    color: var(--text-muted);
    font-size: 14px;
    display: none; /* Controlled by JS */
}

#search-clear-btn:hover {
    color: var(--text-main);
}

/* Profile Badge */
.profile-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px 4px 6px;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.brand-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #fff;
    box-shadow: 0 0 8px rgba(196, 0, 0, 0.5);
}

.profile-name {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

/* Content Viewport */
.content-viewport {
    flex-grow: 1;
    padding: 32px;
    overflow-y: auto;
    position: relative;
}

.view {
    display: flex;
    flex-direction: column;
    gap: 36px;
    animation: fadeIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.view.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Home Hero & Banner
   ========================================================================== */

.hero-banner {
    position: relative;
    background-image: linear-gradient(135deg, rgba(196, 0, 0, 0.35) 0%, rgba(26, 0, 0, 0.6) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

/* Replicating tbox.cl orthogrid background lines */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 180, 160, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 180, 160, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 650px;
}

.hero-eyebrow {
    font-size: 11px;
    font-weight: 900;
    color: var(--color-accent);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.hero-display {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1px;
    color: var(--text-main);
}

.outline-text {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--text-main);
}

.hero-lead {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-muted);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.stat-pill {
    padding: 6px 14px;
    background-color: rgba(255, 254, 239, 0.06);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.stat-pill b {
    color: var(--text-main);
}

.stat-pill i {
    color: var(--color-accent);
}

/* ==========================================================================
   Horizontal Slider (Categories)
   ========================================================================== */

.content-section {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section-header h2 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.see-all-link {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
}

.see-all-link:hover {
    color: var(--text-main);
    text-shadow: 0 0 8px rgba(255, 85, 51, 0.5);
}

.categories-row {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
}

.category-card {
    scroll-snap-align: start;
    flex: 0 0 180px;
    height: 110px;
    border-radius: 12px;
    background-image: linear-gradient(135deg, var(--bg-card) 0%, rgba(196, 0, 0, 0.15) 100%);
    border: 1px solid var(--border-color);
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 85, 51, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 85, 51, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.5;
    z-index: 0;
}

.category-card-icon {
    font-size: 20px;
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.category-card-info {
    position: relative;
    z-index: 1;
}

.category-card-info h3 {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -0.2px;
}

.category-card-info span {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.category-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 24px rgba(255, 85, 51, 0.12);
    transform: translateY(-4px);
    background-image: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 85, 51, 0.25) 100%);
}

/* ==========================================================================
   Artists / Album Grids
   ========================================================================== */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
}

.cards-grid.mini {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.music-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition-smooth);
    position: relative;
}

.card-cover-container {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    background-color: #1e0906;
    border: 1px solid rgba(255, 254, 239, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.card-cover-container i {
    font-size: 42px;
    color: var(--color-accent);
    opacity: 0.6;
    transition: var(--transition-smooth);
}

.card-cover-art {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: var(--transition-smooth);
}

.card-hover-play-btn {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(255, 85, 51, 0.4);
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    z-index: 2;
}

.music-card:hover {
    background-color: rgba(255, 254, 239, 0.04);
    border-color: var(--border-color-glow);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.music-card:hover .card-cover-container i {
    transform: scale(1.1);
    opacity: 1;
}

.music-card:hover .card-hover-play-btn {
    opacity: 1;
    transform: translateY(0);
}

.music-card:hover .card-hover-play-btn:hover {
    transform: scale(1.08);
    background-color: #ff6c4f;
}

.card-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-subtitle {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Circular style for artist cards */
.music-card.artist-card .card-cover-container {
    border-radius: 50%;
}

.music-card.artist-card .card-hover-play-btn {
    right: 12px;
}

/* ==========================================================================
   Tracks List (Song Rows)
   ========================================================================== */

.tracks-list-container {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.track-row {
    display: grid;
    grid-template-columns: 48px 1fr 1fr 90px;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255, 254, 239, 0.02);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition-smooth);
}

.track-row:last-child {
    border-bottom: none;
}

.track-row-index {
    color: var(--text-dim);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.track-row-index i.play-row-icon {
    display: none;
    color: var(--color-accent);
}

.track-main-cell {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.track-artwork-thumbnail {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    background-color: #2c1a17;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 12px;
    flex-shrink: 0;
}

.track-titles {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.track-name {
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.track-album-cell {
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
    padding-right: 12px;
}

.track-duration-cell {
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
}

.track-row-fav-btn {
    color: var(--text-dim);
    transition: var(--transition-smooth);
    font-size: 12px;
    opacity: 0;
}

.track-row-fav-btn:hover {
    color: var(--color-accent);
}

/* Hover States for track row */
.track-row:hover {
    background-color: rgba(255, 85, 51, 0.06);
}

.track-row:hover .track-row-index span {
    display: none;
}

.track-row:hover .track-row-index i.play-row-icon {
    display: block;
}

.track-row:hover .track-row-fav-btn {
    opacity: 1;
}

.track-row:hover .track-name {
    color: var(--color-accent);
}

/* Active playing row */
.track-row.playing {
    background-color: rgba(255, 85, 51, 0.08);
}

.track-row.playing .track-name {
    color: var(--color-accent);
    font-weight: 700;
}

.track-row.playing .track-row-index span {
    display: none;
}

.track-row.playing .track-row-index i.play-row-icon {
    display: block;
}

/* ==========================================================================
   Search Result Filters
   ========================================================================== */

.search-filter-pills {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-pill {
    padding: 8px 18px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
}

.filter-pill:hover {
    color: var(--text-main);
    border-color: var(--border-color-glow);
}

.filter-pill.active {
    background-color: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(255, 85, 51, 0.35);
}

/* Empty search states */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    gap: 16px;
    color: var(--text-muted);
}

.floating-icon {
    font-size: 64px;
    color: var(--color-accent);
    opacity: 0.25;
    animation: rotateSlow 15s linear infinite;
}

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

.empty-state h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-main);
}

.empty-state p {
    font-size: 14px;
    max-width: 400px;
    line-height: 1.5;
}

.sub-results-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.sub-results-section h3 {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-main);
    border-left: 3px solid var(--color-accent);
    padding-left: 10px;
}

.sub-results-section.hidden {
    display: none;
}

.search-results-content.hidden {
    display: none;
}

/* ==========================================================================
   Library Toolbar
   ========================================================================== */

.library-toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.total-artists-badge {
    font-size: 12px;
    font-weight: 700;
    background-color: rgba(255, 254, 239, 0.05);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    color: var(--text-muted);
}

.toolbar-search {
    height: 32px;
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0 12px;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 12px;
    font-weight: 500;
    outline: none;
    width: 200px;
    transition: var(--transition-smooth);
}

.toolbar-search:focus {
    border-color: var(--color-accent);
    width: 260px;
}

/* ==========================================================================
   Artist Detail View Header
   ========================================================================== */

.artist-header, .album-header {
    position: relative;
    background-image: linear-gradient(180deg, rgba(196, 0, 0, 0.4) 0%, rgba(26, 0, 0, 0.7) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.artist-header-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.artist-verified {
    font-size: 11px;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.artist-name-title {
    font-size: 54px;
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1;
}

.artist-meta {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.action-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.play-hero-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 6px 18px rgba(255, 85, 51, 0.4);
    transition: var(--transition-smooth);
}

.play-hero-btn:hover {
    transform: scale(1.08);
    background-color: #ff6c4f;
}

.action-outline-btn {
    padding: 10px 20px;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    border-radius: 20px;
    transition: var(--transition-smooth);
}

.action-outline-btn:hover {
    color: var(--text-main);
    border-color: var(--text-main);
    background-color: rgba(255, 254, 239, 0.02);
}

/* Artist Column Layout */
.artist-albums-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 32px;
}

.artist-albums-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.artist-albums-list h3, .artist-tracks-container h3 {
    font-size: 16px;
    font-weight: 800;
    border-left: 3px solid var(--color-accent);
    padding-left: 10px;
}

.album-vertical-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 480px;
    overflow-y: auto;
    padding-right: 4px;
}

.album-row-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background-color: rgba(255, 254, 239, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.album-row-cover {
    width: 44px;
    height: 44px;
    border-radius: 4px;
    background-color: #2c1a17;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.album-row-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.album-row-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-row-meta {
    font-size: 11px;
    color: var(--text-muted);
}

.album-row-item:hover, .album-row-item.active {
    background-color: rgba(255, 85, 51, 0.08);
    border-color: var(--border-color-glow);
}

/* selected album details card */
.selected-album-details-header {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
}

.selected-album-cover {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    background-color: #1e0906;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--color-accent);
    position: relative;
    overflow: hidden;
}

.selected-album-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.album-eyebrow {
    font-size: 9px;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: 2px;
}

.selected-album-info h3 {
    font-size: 18px;
    font-weight: 800;
    border-left: none;
    padding-left: 0;
}

.selected-album-info p {
    font-size: 12px;
    color: var(--text-muted);
}

/* Traditional Album View Header */
.album-header-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    gap: 24px;
}

.album-header-cover {
    width: 140px;
    height: 140px;
    border-radius: 12px;
    background-color: #1e0906;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: var(--color-accent);
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.album-header-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.album-tag {
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--color-accent);
}

#album-view-title {
    font-size: 38px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1px;
}

.album-credits {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
}

.artist-link {
    color: var(--color-accent);
}

.album-stats {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==========================================================================
   Bottom Playback Deck
   ========================================================================== */

.playback-bar {
    height: var(--playback-bar-height);
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 15;
}

/* Song detail (Left section) */
.currently-playing {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.track-artwork {
    width: 54px;
    height: 54px;
    border-radius: 6px;
    background-color: #2c1a17;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 20px;
    flex-shrink: 0;
    position: relative;
    border: 1px solid rgba(255,254,239,0.03);
}

.animate-spin-slow {
    animation: spin 8s linear infinite;
}

.animate-spin-slow.paused {
    animation-play-state: paused;
}

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

.track-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.track-title-container {
    width: 150px;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

#player-track-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
    display: inline-block;
}

#player-track-artist {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.favorite-track-btn {
    color: var(--text-dim);
    font-size: 13px;
    transition: var(--transition-smooth);
}

.favorite-track-btn:hover {
    color: var(--color-accent);
}

.favorite-track-btn.active {
    color: var(--color-accent);
}

.favorite-track-btn.active i {
    font-weight: 900;
}

/* Playback Control slider and Deck buttons (Center section) */
.player-controls-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 580px;
    margin: 0 auto;
}

.player-buttons {
    display: flex;
    align-items: center;
    gap: 20px;
}

.player-buttons .control-btn {
    color: var(--text-muted);
    font-size: 14px;
}

.player-buttons .control-btn:hover {
    color: var(--text-main);
}

.player-buttons .control-btn.active {
    color: var(--color-accent);
}

.play-deck-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--text-main);
    color: var(--bg-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.play-deck-btn:hover {
    transform: scale(1.08);
    background-color: var(--color-accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 85, 51, 0.4);
}

.seek-slider-container {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
}

.seek-time {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    width: 32px;
    text-align: center;
}

/* Ranges Styling (Seeking / Volume sliders) */
.slider-bar-track, .volume-slider-track {
    flex-grow: 1;
    height: 4px;
    background-color: rgba(255, 254, 239, 0.1);
    border-radius: 2px;
    position: relative;
}

.slider-fill, .volume-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%; /* Dynamic fill control */
    background-color: var(--color-accent);
    border-radius: 2px;
    pointer-events: none;
    z-index: 1;
}

input[type="range"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    z-index: 2;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    opacity: 0;
    transition: opacity 0.15s ease;
}

.slider-bar-track:hover input[type="range"]::-webkit-slider-thumb,
.volume-slider-track:hover input[type="range"]::-webkit-slider-thumb {
    opacity: 1;
}

.slider-bar-track:hover .slider-fill,
.volume-slider-track:hover .volume-fill {
    background-color: var(--color-accent);
}

/* Accessories (Right section) */
.deck-accessories {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
}

.deck-accessories .control-btn {
    font-size: 13px;
    color: var(--text-muted);
}

.volume-container {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 120px;
}

.volume-slider-track {
    width: 80px;
    flex-grow: 0;
}

/* ==========================================================================
   Responsive Breakpoints (Mobile UI Setup)
   ========================================================================= */

@media (max-width: 900px) {
    .artist-albums-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: absolute;
        left: -100%;
        top: 0;
        bottom: 0;
        transition: var(--transition-smooth);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    }
    
    .sidebar.active {
        left: 0;
    }
}

@media (max-width: 768px) {
    .playback-bar {
        grid-template-columns: 1fr 1.2fr;
    }
    
    .deck-accessories {
        display: none;
    }
    
    .track-row {
        grid-template-columns: 48px 1fr 60px;
    }
    
    .track-album-cell {
        display: none;
    }
    
    .hero-display {
        font-size: 32px;
    }
}

/* ==========================================================================
   Premium 5-Band Equalizer Styles
   ========================================================================== */

#btn-equalizer.active {
    color: var(--color-accent) !important;
    text-shadow: 0 0 10px rgba(255, 85, 51, 0.4);
}

.eq-popover {
    position: absolute;
    bottom: calc(var(--playback-bar-height) + 12px);
    right: 24px;
    width: 320px;
    background-image: linear-gradient(135deg, rgba(26, 0, 0, 0.9) 0%, rgba(10, 0, 0, 0.95) 100%);
    border: 1px solid var(--border-color-glow);
    border-radius: 16px;
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 85, 51, 0.15);
    padding: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.2s ease;
}

.eq-popover.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.eq-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 244, 239, 0.06);
    padding-bottom: 10px;
}

.eq-header h3 {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.eq-header h3 i {
    color: var(--color-accent);
}

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

.eq-switch-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

/* Bypass Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 20px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 254, 239, 0.1);
    transition: .3s;
    border: 1px solid var(--border-color);
}

.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-muted);
    transition: .3s;
}

input:checked + .slider {
    background-color: var(--color-primary);
    border-color: rgba(255, 85, 51, 0.3);
}

input:checked + .slider:before {
    transform: translateX(14px);
    background-color: #fff;
}

.slider.round {
    border-radius: 20px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Preset dropdown selection */
.eq-preset-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
}

#eq-preset-select {
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 6px;
    padding: 4px 8px;
    font-family: var(--font-family);
    font-weight: 600;
    outline: none;
    cursor: pointer;
}

#eq-preset-select:focus {
    border-color: var(--color-accent);
}

/* Vertical Sliders */
.eq-sliders {
    display: flex;
    justify-content: space-between;
    height: 150px;
    padding: 10px 0;
}

.eq-slider-band {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 18%;
    height: 100%;
}

.eq-slider-track-vert {
    position: relative;
    width: 6px;
    height: 100px;
    background-color: rgba(255, 254, 239, 0.08);
    border-radius: 3px;
    margin-bottom: 8px;
}

.eq-fill-vert {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%; /* JS controlled */
    background-color: var(--color-primary);
    border-radius: 3px;
    transition: background-color 0.2s ease;
}

.eq-slider-track-vert input[type="range"] {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-90deg);
    width: 100px;
    height: 20px;
    background: transparent;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    z-index: 10;
}

.eq-slider-track-vert input[type="range"]::-webkit-slider-runnable-track {
    background: transparent;
    border: none;
}

.eq-slider-track-vert input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 12px;
    width: 12px;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.8), 0 0 5px var(--color-accent);
    border: 1.5px solid var(--color-accent);
    margin-top: 4px; /* Fix centering in Chrome */
}

.eq-slider-track-vert:hover .eq-fill-vert {
    background-color: var(--color-accent);
}

.eq-label {
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 2px;
}

.eq-value {
    font-size: 9px;
    font-weight: 700;
    color: var(--color-accent);
}

/* ==========================================================================
   Drag & Drop and Toast Notification Styles
   ========================================================================== */

.track-row[draggable="true"] {
    cursor: grab;
    user-select: none;
}

.track-row.dragging {
    opacity: 0.4;
    border: 1px dashed var(--color-accent) !important;
    background-color: rgba(255, 85, 51, 0.05) !important;
}

/* Glowing drag-hover state for bottom playback bar */
.playback-bar.drag-hover {
    border-top-color: var(--color-accent) !important;
    box-shadow: 0 -12px 40px rgba(255, 85, 51, 0.28), 0 5px 20px rgba(0, 0, 0, 0.6);
    background-image: linear-gradient(0deg, rgba(20, 0, 0, 0.96) 0%, rgba(255, 85, 51, 0.12) 100%) !important;
    transform: scale(1.005);
    transition: var(--transition-smooth);
}

/* Glassmorphic Premium Toast Notification */
.tbox-toast {
    position: fixed;
    bottom: calc(var(--playback-bar-height) + 24px);
    left: 50%;
    transform: translate(-50%, 50px);
    background-image: linear-gradient(135deg, rgba(26, 0, 0, 0.94) 0%, rgba(10, 0, 0, 0.98) 100%);
    border: 1px solid var(--border-color-glow);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 85, 51, 0.15);
    border-radius: 30px;
    padding: 12px 28px;
    color: var(--text-main);
    font-size: 13.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.tbox-toast.show {
    transform: translate(-50%, 0);
    opacity: 1;
}

.tbox-toast i {
    color: var(--color-accent);
    font-size: 15px;
    filter: drop-shadow(0 0 5px rgba(255, 85, 51, 0.4));
}

/* CORS file:/// Protocol Equalizer Warning Notice */
.eq-cors-notice {
    background-color: rgba(255, 85, 51, 0.08);
    border: 1px solid rgba(255, 85, 51, 0.2);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 10.5px;
    font-weight: 600;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    line-height: 1.4;
}

.eq-cors-notice.hidden {
    display: none !important;
}

.eq-cors-notice i {
    font-size: 12px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 3px rgba(255, 85, 51, 0.4));
}

/* EQ inputs disabled states */
#eq-preset-select:disabled,
#eq-bypass-toggle:disabled + .slider,
.eq-slider-track-vert input[type="range"]:disabled {
    opacity: 0.3 !important;
    cursor: not-allowed !important;
}

.eq-slider-track-vert input[type="range"]:disabled::-webkit-slider-thumb {
    background-color: var(--text-dim) !important;
    border-color: var(--text-dim) !important;
    box-shadow: none !important;
    cursor: not-allowed !important;
}

/* ==========================================================================
   Album Cover Upload & Custom Artwork Styles
   ========================================================================== */

.cover-upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(16, 0, 0, 0.75);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: var(--transition-smooth);
    cursor: pointer;
    z-index: 5;
    border: 1px dashed var(--color-accent);
}

.cover-upload-overlay:hover {
    opacity: 1;
}

.cover-upload-overlay i {
    font-size: 24px;
    color: var(--color-accent) !important;
    filter: drop-shadow(0 0 5px rgba(255, 85, 51, 0.4));
}

.cover-upload-overlay span {
    font-size: 10.5px;
    font-weight: 800;
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cover-upload-overlay.mini {
    gap: 0;
    border-radius: 6px;
}

.cover-upload-overlay.mini i {
    font-size: 16px;
}

/* Ensure custom base64 images scale and crop elegantly */
.album-header-cover img,
.selected-album-cover img,
.track-artwork img,
.card-cover-container img,
.track-artwork-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}