/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-gradient: linear-gradient(135deg, #ff6b35, #f7931e);
    --secondary-gradient: linear-gradient(135deg, #7ed56f, #28b485);
    --accent-gradient: linear-gradient(135deg, #667eea, #764ba2);
    --dark-gradient: linear-gradient(135deg, #1a1a2e, #16213e);
    
    --primary-color: #ff6b35;
    --secondary-color: #28b485;
    --accent-color: #667eea;
    --background-dark: #0a0a0f;
    --background-card: #1a1a2e;
    --background-light: #252540;
    --text-primary: #ffffff;
    --text-secondary: #b8b8d4;
    --text-muted: #7c7c9a;
    
    /* Shadows */
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.3);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-family);
    background: var(--dark-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Header Styles */
.header {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--space-4) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-light);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: var(--space-2);
}

.nav-btn {
    padding: var(--space-3) var(--space-4);
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--radius-full);
}

.nav-btn:hover::before {
    opacity: 0.1;
}

.nav-btn.active::before {
    opacity: 1;
}

.nav-btn:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
}

.nav-btn.active {
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.nav-btn i,
.nav-btn span {
    position: relative;
    z-index: 1;
}

/* Main Content */
.main {
    padding: var(--space-8) 0;
    min-height: calc(100vh - 100px);
}

.section {
    display: none;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.section.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Player Section */
.current-track {
    background: var(--background-card);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-6);
    box-shadow: var(--shadow-heavy);
    position: relative;
    overflow: hidden;
}

.current-track::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.track-image {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: var(--shadow-medium);
}

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

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.track-image:hover .play-overlay {
    opacity: 1;
}

.play-overlay i {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
}

.track-info {
    flex: 1;
}

.track-info h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.track-info p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.track-stats {
    display: flex;
    gap: var(--space-6);
}

.track-stats span {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.track-stats i {
    color: var(--primary-color);
}

/* Progress Bar */
.progress-container {
    background: var(--background-card);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    box-shadow: var(--shadow-medium);
}

.time-current,
.time-total {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 40px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--background-light);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width var(--transition-fast);
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
}

.progress-handle {
    position: absolute;
    top: 50%;
    left: 0%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-normal);
}

.progress-bar:hover .progress-handle {
    opacity: 1;
}

/* Player Controls */
.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.control-btn {
    width: 56px;
    height: 56px;
    border: none;
    border-radius: 50%;
    background: var(--background-card);
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: 50%;
}

.control-btn:hover::before {
    opacity: 0.1;
}

.control-btn:hover {
    color: var(--text-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.control-btn i {
    position: relative;
    z-index: 1;
}

.control-btn.main-btn {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    color: var(--text-primary);
    font-size: var(--font-size-2xl);
    box-shadow: var(--shadow-glow);
}

.control-btn.main-btn::before {
    display: none;
}

.control-btn.main-btn:hover {
    transform: scale(1.05);
}

.control-btn.active {
    background: var(--accent-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

/* Volume Control */
.volume-container {
    background: var(--background-card);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    box-shadow: var(--shadow-medium);
}

.volume-container i {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

.volume-bar {
    flex: 1;
    height: 6px;
    background: var(--background-light);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
}

.volume-fill {
    height: 100%;
    background: var(--secondary-gradient);
    border-radius: var(--radius-full);
    width: 70%;
    transition: width var(--transition-fast);
}

.volume-handle {
    position: absolute;
    top: 50%;
    left: 70%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: var(--secondary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: all var(--transition-normal);
}

.volume-bar:hover .volume-handle {
    opacity: 1;
}

/* Running Stats */
.running-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.stat-item {
    background: var(--background-card);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item i {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    margin-bottom: var(--space-3);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
    font-weight: 500;
}

.stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-icon {
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: var(--background-card);
    color: var(--text-secondary);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-light);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-icon {
    width: 44px;
    height: 44px;
    background: var(--background-card);
    color: var(--text-secondary);
    border-radius: 50%;
    justify-content: center;
    box-shadow: var(--shadow-light);
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--background-light);
    transform: translateY(-2px);
}

/* Playlists Grid */
.playlists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.playlist-card {
    background: var(--background-card);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.playlist-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--radius-lg);
}

.playlist-card:hover::before {
    opacity: 0.05;
}

.playlist-card.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.playlist-card:hover {
    transform: translateY(-5px);
}

.playlist-card > * {
    position: relative;
    z-index: 1;
}

.playlist-image {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-light);
}

.playlist-image i {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
}

.playlist-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.playlist-info p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.playlist-actions {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.playlist-card:hover .playlist-actions {
    opacity: 1;
}

.play-playlist {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-normal);
}

.play-playlist:hover {
    transform: scale(1.1);
}

/* Track List */
.track-list-container {
    background: var(--background-card);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-heavy);
}

.track-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.track-list-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.track-list-controls {
    display: flex;
    gap: var(--space-2);
}

.track-list {
    min-height: 200px;
}

.empty-playlist {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    color: var(--text-secondary);
}

.empty-playlist i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-playlist p {
    margin-bottom: var(--space-6);
    font-size: var(--font-size-lg);
}

.track-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    margin-bottom: var(--space-2);
}

.track-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.track-item.playing {
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
}

.track-number {
    width: 24px;
    color: var(--text-muted);
    font-weight: 600;
    text-align: center;
}

.track-item.playing .track-number {
    color: var(--primary-color);
}

.track-details {
    flex: 1;
}

.track-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.track-artist {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.track-duration {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.track-actions {
    display: flex;
    gap: var(--space-2);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.track-item:hover .track-actions {
    opacity: 1;
}

/* Forms */
.add-music-form {
    background: var(--background-card);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-heavy);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--space-4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    background: var(--background-light);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group small {
    display: block;
    margin-top: var(--space-2);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.add-track-btn {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-lg);
    margin-top: var(--space-4);
}

/* URL Helper */
.url-helper {
    background: var(--background-card);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-heavy);
}

.url-helper h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.url-examples {
    display: grid;
    gap: var(--space-4);
}

.url-example {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.url-example i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.url-example strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.url-example p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-family: 'Monaco', 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.3);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .header .container {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .nav {
        width: 100%;
        justify-content: center;
    }
    
    .current-track {
        flex-direction: column;
        text-align: center;
        padding: var(--space-6);
    }
    
    .track-image {
        width: 100px;
        height: 100px;
    }
    
    .track-info h2 {
        font-size: var(--font-size-2xl);
    }
    
    .track-stats {
        justify-content: center;
    }
    
    .player-controls {
        gap: var(--space-3);
    }
    
    .control-btn {
        width: 48px;
        height: 48px;
        font-size: var(--font-size-base);
    }
    
    .control-btn.main-btn {
        width: 64px;
        height: 64px;
        font-size: var(--font-size-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .playlists-grid {
        grid-template-columns: 1fr;
    }
    
    .track-list-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    
    .track-list-controls {
        align-self: stretch;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .main {
        padding: var(--space-4) 0;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    
    .running-stats {
        grid-template-columns: 1fr;
    }
    
    .progress-container,
    .volume-container {
        padding: var(--space-4);
    }
    
    .current-track,
    .add-music-form,
    .url-helper,
    .track-list-container {
        padding: var(--space-4);
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 2s infinite;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--background-light);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Recommended Music Playlist Section */
.recent-music {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(76, 201, 240, 0.1));
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-heavy);
}

.recent-music h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.recent-music h3 i {
    color: #FFD700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.recent-track-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.recent-track-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.recent-track-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 107, 53, 0.3);
    transform: translateY(-1px);
}

.recent-track-item.new-track::before {
    content: 'NEW';
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: var(--space-1) var(--space-2);
    border-bottom-left-radius: var(--radius-md);
}

.recent-track-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
}

.recent-track-info {
    flex: 1;
    min-width: 0;
}

.recent-track-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recent-track-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.recent-track-bpm {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.recent-track-actions {
    display: flex;
    gap: var(--space-2);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.recent-track-item:hover .recent-track-actions {
    opacity: 1;
}

.recent-track-action {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.recent-track-action:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.recent-track-action.play-action {
    background: var(--primary-color);
    color: white;
}

.recent-track-action.play-action:hover {
    background: var(--secondary-color);
}

/* Empty state for recent tracks */
.recent-tracks-empty {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    color: var(--text-muted);
}

.recent-tracks-empty i {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-3);
    opacity: 0.5;
}

.recent-tracks-empty p {
    margin-bottom: var(--space-4);
}

/* Current Time Display */
.current-time-display {
    position: relative;
}

.current-time {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #c0c0c0, #f5f5f5, #e8e8e8, #d3d3d3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 
        0 0 30px rgba(192, 192, 192, 0.6),
        0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
    font-family: 'Inter', 'Segoe UI', 'Arial', sans-serif;
    text-align: center;
    display: block;
    margin-top: 8px;
    position: relative;
    filter: drop-shadow(0 0 10px rgba(192, 192, 192, 0.4));
}

.current-time-display .stat-label {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #a0a0a0;
}

.current-time-display i {
    color: #c0c0c0;
    font-size: var(--font-size-xl);
}

@media (max-width: 480px) {
    .recent-track-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }
    
    .recent-track-item {
        padding: var(--space-3);
    }
    
    .recent-track-icon {
        width: 36px;
        height: 36px;
    }
    
    .current-time {
        font-size: 2.5rem;
        letter-spacing: 1px;
    }
    
    .current-time-display {
        text-align: center;
    }
}