/* CSS Variables for Cyberpunk Theme */
:root {
    --primary-cyan: #00ffff;
    --primary-magenta: #ff00ff;
    --primary-yellow: #ffff00;
    --neon-blue: #0066ff;
    --neon-pink: #ff0066;
    --neon-green: #00ff66;
    --dark-bg: #0a0a0a;
    --dark-surface: #1a1a1a;
    --dark-surface-2: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --glow-intensity: 0 0 20px;
    --border-radius: 8px;
    --animation-speed: 0.3s;
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Effects */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 20% 20%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 60%, rgba(255, 255, 0, 0.1) 0%, transparent 50%);
    animation: particleFloat 15s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* App Container */
.app-container {
    display: grid;
    grid-template-areas: 
        "header header"
        "main sidebar";
    grid-template-columns: 1fr 320px;
    grid-template-rows: 80px 1fr;
    min-height: 100vh;
    gap: 20px;
    padding: 20px;
}

/* Header */
.header {
    grid-area: header;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--primary-cyan);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    box-shadow: var(--glow-intensity) var(--primary-cyan);
}

.logo {
    position: relative;
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-cyan);
    text-shadow: 0 0 20px var(--primary-cyan);
}

.logo-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-cyan), var(--primary-magenta));
    opacity: 0.3;
    filter: blur(10px);
    z-index: -1;
    animation: logoGlow 2s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    0% { opacity: 0.3; }
    100% { opacity: 0.6; }
}

.header-controls {
    display: flex;
    gap: 15px;
}

/* Buttons */
.btn-neon {
    background: transparent;
    border: 2px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 12px 24px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all var(--animation-speed) ease;
    position: relative;
    overflow: hidden;
}

.btn-neon:hover {
    background: var(--primary-cyan);
    color: var(--dark-bg);
    box-shadow: var(--glow-intensity) var(--primary-cyan);
    transform: translateY(-2px);
}

.btn-neon:active {
    transform: translateY(0);
}

/* Main Content */
.main-content {
    grid-area: main;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Upload Section */
.upload-section {
    background: rgba(26, 26, 26, 0.8);
    border: 2px dashed var(--primary-magenta);
    border-radius: var(--border-radius);
    padding: 60px 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--animation-speed) ease;
}

.upload-section:hover {
    border-color: var(--primary-cyan);
    box-shadow: var(--glow-intensity) var(--primary-cyan);
}

.upload-container {
    max-width: 400px;
    margin: 0 auto;
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.upload-container h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary-magenta);
    text-shadow: 0 0 10px var(--primary-magenta);
}

.upload-container p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

#fileInput {
    display: none;
}

.btn-upload {
    background: linear-gradient(45deg, var(--primary-magenta), var(--primary-cyan));
    border: none;
    color: var(--dark-bg);
    padding: 15px 30px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all var(--animation-speed) ease;
    text-transform: uppercase;
}

.btn-upload:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 0, 255, 0.5);
}

/* Player Section */
.player-section {
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--primary-cyan);
    border-radius: var(--border-radius);
    padding: 30px;
    backdrop-filter: blur(15px);
    box-shadow: var(--glow-intensity) var(--primary-cyan);
}

.current-track {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.track-artwork {
    display: flex;
    align-items: center;
    gap: 20px;
}

.artwork-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, var(--primary-magenta), var(--primary-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.vinyl-record {
    width: 100px;
    height: 100px;
    background: #222;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vinyl-center {
    width: 20px;
    height: 20px;
    background: var(--primary-cyan);
    border-radius: 50%;
}

.track-info h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--primary-cyan);
}

.track-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Visualizer */
.visualizer-container {
    flex: 1;
    position: relative;
}

#visualizer {
    width: 100%;
    height: 120px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--border-radius);
    border: 1px solid var(--primary-cyan);
}

.vibe-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 255, 255, 0.2);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

/* Player Controls */
.player-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.control-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.control-btn {
    background: transparent;
    border: 2px solid var(--primary-cyan);
    color: var(--primary-cyan);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--animation-speed) ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: var(--primary-cyan);
    color: var(--dark-bg);
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--primary-cyan);
}

.main-btn {
    width: 70px;
    height: 70px;
    border-color: var(--primary-magenta);
    color: var(--primary-magenta);
    font-size: 1.5rem;
}

.main-btn:hover {
    background: var(--primary-magenta);
    box-shadow: 0 0 20px var(--primary-magenta);
}

/* Progress Bar */
.progress-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.time-display {
    display: flex;
    justify-content: space-between;
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--dark-surface-2);
    border-radius: 3px;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-cyan), var(--primary-magenta));
    border-radius: 3px;
    transition: width 0.1s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-handle {
    position: absolute;
    top: 50%;
    width: 16px;
    height: 16px;
    background: var(--primary-cyan);
    border-radius: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    transition: all var(--animation-speed) ease;
    box-shadow: 0 0 10px var(--primary-cyan);
}

.progress-handle:hover {
    transform: translateY(-50%) scale(1.3);
}

/* Volume Control */
.volume-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.volume-icon {
    font-size: 1.2rem;
    color: var(--primary-cyan);
}

.volume-bar {
    width: 100px;
    height: 4px;
    background: var(--dark-surface-2);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.volume-fill {
    height: 100%;
    background: var(--primary-cyan);
    border-radius: 2px;
    transition: width 0.1s ease;
}

.volume-handle {
    position: absolute;
    top: 50%;
    width: 12px;
    height: 12px;
    background: var(--primary-cyan);
    border-radius: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    transition: all var(--animation-speed) ease;
}

.volume-handle:hover {
    transform: translateY(-50%) scale(1.3);
}

/* Library Section */
.library-section {
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--primary-magenta);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: blur(15px);
    box-shadow: var(--glow-intensity) var(--primary-magenta);
}

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

.library-header h2 {
    font-family: 'Orbitron', monospace;
    color: var(--primary-magenta);
    text-shadow: 0 0 10px var(--primary-magenta);
}

.library-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn-small {
    background: transparent;
    border: 1px solid var(--primary-magenta);
    color: var(--primary-magenta);
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all var(--animation-speed) ease;
}

.btn-small:hover {
    background: var(--primary-magenta);
    color: var(--dark-bg);
}

#sortSelect {
    background: var(--dark-surface);
    border: 1px solid var(--primary-cyan);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--border-radius);
    font-size: 12px;
    cursor: pointer;
}

/* Library Tabs */
.library-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all var(--animation-speed) ease;
    flex: 1;
}

.tab-btn.active {
    background: var(--primary-cyan);
    color: var(--dark-bg);
}

.tab-btn:hover {
    background: var(--primary-cyan);
    color: var(--dark-bg);
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.track-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.track-item {
    background: rgba(42, 42, 42, 0.8);
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    padding: 15px;
    cursor: pointer;
    transition: all var(--animation-speed) ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.track-item:hover {
    border-color: var(--primary-cyan);
    background: rgba(0, 255, 255, 0.1);
    transform: translateX(5px);
}

.track-item.active {
    border-color: var(--primary-magenta);
    background: rgba(255, 0, 255, 0.1);
}

.track-item-info h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.track-item-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

.track-item-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    background: transparent;
    border: none;
    color: var(--primary-cyan);
    font-size: 16px;
    cursor: pointer;
    transition: all var(--animation-speed) ease;
}

.action-btn:hover {
    color: var(--primary-magenta);
    transform: scale(1.2);
}

/* Queue Section */
.queue-section {
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--neon-green);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: blur(15px);
    box-shadow: var(--glow-intensity) var(--neon-green);
}

.queue-section h3 {
    color: var(--neon-green);
    margin-bottom: 15px;
    font-family: 'Orbitron', monospace;
    text-shadow: 0 0 10px var(--neon-green);
}

.queue-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.queue-item {
    background: rgba(42, 42, 42, 0.6);
    border-radius: var(--border-radius);
    padding: 10px;
    font-size: 14px;
    transition: all var(--animation-speed) ease;
}

.queue-item:hover {
    background: rgba(0, 255, 102, 0.1);
    border-left: 3px solid var(--neon-green);
}

/* Sidebar */
.sidebar {
    grid-area: sidebar;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-section {
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--neon-blue);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: blur(15px);
    box-shadow: var(--glow-intensity) var(--neon-blue);
}

.sidebar-section h3 {
    color: var(--neon-blue);
    margin-bottom: 15px;
    font-family: 'Orbitron', monospace;
    text-shadow: 0 0 10px var(--neon-blue);
}

/* Vibe Meter */
.vibe-meter {
    height: 20px;
    background: var(--dark-surface-2);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
}

.vibe-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-green), var(--primary-cyan), var(--primary-magenta));
    border-radius: 10px;
    transition: width 0.5s ease;
    width: 60%;
}

.mood-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.mood-btn {
    background: transparent;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    padding: 10px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--animation-speed) ease;
}

.mood-btn:hover {
    background: var(--neon-blue);
    color: var(--dark-bg);
    transform: scale(1.05);
}

/* Goals Progress */
.goal-progress {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.goal-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.goal-item span {
    font-size: 12px;
    color: var(--text-secondary);
}

.progress-mini {
    height: 8px;
    background: var(--dark-surface-2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-mini-fill {
    height: 100%;
    background: var(--neon-blue);
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* Achievements */
.achievement-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(42, 42, 42, 0.6);
    border-radius: var(--border-radius);
    transition: all var(--animation-speed) ease;
}

.achievement-item:hover {
    background: rgba(0, 102, 255, 0.1);
    transform: translateX(5px);
}

.achievement-icon {
    font-size: 1.2rem;
}

.achievement-text {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--dark-surface);
    border: 2px solid var(--primary-cyan);
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 0 30px var(--primary-cyan);
}

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

.modal-header h2 {
    color: var(--primary-cyan);
    font-family: 'Orbitron', monospace;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--primary-cyan);
    font-size: 2rem;
    cursor: pointer;
    transition: all var(--animation-speed) ease;
}

.close-btn:hover {
    color: var(--primary-magenta);
    transform: scale(1.2);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background: rgba(42, 42, 42, 0.8);
    border: 1px solid var(--primary-cyan);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    transition: all var(--animation-speed) ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 255, 255, 0.3);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-cyan);
    font-family: 'Orbitron', monospace;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Modal Body */
.modal-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-body input {
    background: var(--dark-surface-2);
    border: 1px solid var(--primary-cyan);
    color: var(--text-primary);
    padding: 12px;
    border-radius: var(--border-radius);
    font-size: 16px;
}

.modal-body input:focus {
    outline: none;
    border-color: var(--primary-magenta);
    box-shadow: 0 0 10px var(--primary-magenta);
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-container {
        grid-template-areas: 
            "header"
            "main"
            "sidebar";
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        padding: 10px;
    }

    .header {
        padding: 0 15px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .current-track {
        flex-direction: column;
        gap: 20px;
    }

    .artwork-placeholder {
        width: 100px;
        height: 100px;
    }

    .vinyl-record {
        width: 80px;
        height: 80px;
    }

    .control-buttons {
        gap: 10px;
    }

    .control-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .main-btn {
        width: 60px;
        height: 60px;
    }

    .library-controls {
        flex-direction: column;
        gap: 10px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .app-container {
        padding: 5px;
    }

    .header {
        padding: 0 10px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .btn-neon {
        padding: 8px 16px;
        font-size: 12px;
    }

    .upload-container {
        padding: 20px;
    }

    .upload-container h2 {
        font-size: 1.5rem;
    }

    .player-section {
        padding: 20px;
    }

    .sidebar-section {
        padding: 15px;
    }

    .modal-content {
        padding: 20px;
        width: 95%;
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--primary-cyan);
    border-radius: 4px;
}

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

/* Selection */
::selection {
    background: var(--primary-cyan);
    color: var(--dark-bg);
}

/* Upload Section Compact Mode */
.upload-container-compact {
    display: flex;
    justify-content: center;
    padding: 20px;
}

.btn-upload-compact {
    background: linear-gradient(45deg, var(--primary-cyan), var(--primary-magenta));
    border: none;
    color: var(--dark-bg);
    padding: 12px 24px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all var(--animation-speed) ease;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-upload-compact:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 255, 0.4);
}

.btn-upload-compact:active {
    transform: translateY(0);
}

/* Playlist selection styles */
.playlist-selection {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.playlist-selection .btn-neon {
    justify-content: flex-start;
    text-align: left;
}

.playlist-tracks {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 400px;
    overflow-y: auto;
}

/* Notification animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Advanced Controls */
.advanced-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 20px;
    font-size: 12px;
}

.advanced-controls label {
    color: var(--text-secondary);
}

.advanced-controls input[type="range"] {
    width: 80px;
    height: 4px;
    background: var(--dark-surface-2);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.advanced-controls input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--primary-cyan);
    border-radius: 50%;
    cursor: pointer;
}

#speedValue {
    color: var(--primary-cyan);
    font-weight: 600;
    min-width: 25px;
}

/* Visualizer Controls */
.visualizer-controls {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    gap: 10px;
}

.visualizer-btn {
    background: rgba(0, 255, 255, 0.2);
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 10px;
    cursor: pointer;
    transition: all var(--animation-speed) ease;
}

.visualizer-btn:hover {
    background: var(--primary-cyan);
    color: var(--dark-bg);
}

/* Search Input */
.search-container {
    position: relative;
}

.search-input {
    background: var(--dark-surface-2);
    border: 1px solid var(--primary-cyan);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--border-radius);
    font-size: 12px;
    width: 200px;
    transition: all var(--animation-speed) ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-magenta);
    box-shadow: 0 0 10px var(--primary-magenta);
}

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

/* Queue Header */
.queue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.queue-controls {
    display: flex;
    gap: 10px;
}

/* Mini Player Mode */
.mini-player {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 300px;
    height: 80px;
    background: rgba(26, 26, 26, 0.95);
    border: 1px solid var(--primary-cyan);
    border-radius: var(--border-radius);
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 0 20px var(--primary-cyan);
}

.mini-player .track-info {
    flex: 1;
}

.mini-player .track-info h4 {
    font-size: 14px;
    margin: 0;
    color: var(--primary-cyan);
}

.mini-player .track-info p {
    font-size: 12px;
    margin: 0;
    color: var(--text-secondary);
}

.mini-player .controls {
    display: flex;
    gap: 5px;
}

.mini-player .control-btn {
    width: 30px;
    height: 30px;
    font-size: 12px;
}

/* Fullscreen Visualizer */
.fullscreen-visualizer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--dark-bg);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.fullscreen-visualizer canvas {
    width: 100%;
    height: 80%;
}

.fullscreen-visualizer .exit-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: 2px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
}

.fullscreen-visualizer .track-info {
    position: absolute;
    bottom: 50px;
    text-align: center;
    color: var(--text-primary);
}

/* Keyboard Shortcuts Modal */
.shortcuts-modal {
    max-width: 600px;
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: rgba(42, 42, 42, 0.6);
    border-radius: var(--border-radius);
}

.shortcut-key {
    background: var(--primary-cyan);
    color: var(--dark-bg);
    padding: 2px 8px;
    border-radius: 3px;
    font-family: monospace;
    font-size: 12px;
}

/* Equalizer */
.equalizer-container {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 300px;
    background: rgba(26, 26, 26, 0.95);
    border: 1px solid var(--primary-cyan);
    border-radius: var(--border-radius);
    backdrop-filter: blur(15px);
    padding: 20px;
    z-index: 1000;
    box-shadow: 0 0 20px var(--primary-cyan);
}

.equalizer-bands {
    display: flex;
    justify-content: space-between;
    align-items: end;
    height: 150px;
    margin-bottom: 10px;
}

.eq-band {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.eq-slider {
    writing-mode: bt-lr;
    -webkit-appearance: slider-vertical;
    width: 20px;
    height: 120px;
    background: var(--dark-surface-2);
    outline: none;
    cursor: pointer;
}

.eq-label {
    font-size: 10px;
    color: var(--text-secondary);
}

.eq-presets {
    display: flex;
    gap: 5px;
    margin-top: 10px;
}

.eq-preset {
    background: transparent;
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 4px 8px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 10px;
    transition: all var(--animation-speed) ease;
}

.eq-preset:hover {
    background: var(--primary-cyan);
    color: var(--dark-bg);
}

/* Lyrics Display */
.lyrics-container {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    height: 100px;
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--primary-magenta);
    border-radius: var(--border-radius);
    backdrop-filter: blur(15px);
    padding: 15px;
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
}

.lyrics-line {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.lyrics-line.active {
    opacity: 1;
    color: var(--primary-magenta);
    font-weight: 600;
}

/* Sleep Timer Modal */
.sleep-timer-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 20px;
}

.sleep-timer-btn {
    background: transparent;
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--animation-speed) ease;
    font-size: 14px;
}

.sleep-timer-btn:hover {
    background: var(--primary-cyan);
    color: var(--dark-bg);
}

.sleep-timer-active {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--primary-cyan);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    z-index: 1000;
}

/* Auto DJ Indicator */
.auto-dj-active {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { 
        box-shadow: 0 0 10px var(--primary-cyan);
    }
    50% { 
        box-shadow: 0 0 20px var(--primary-cyan), 0 0 30px var(--primary-cyan);
    }
}

/* Particle Effects */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-cyan);
    border-radius: 50%;
    pointer-events: none;
    animation: particleFloat 3s ease-out forwards;
}

@keyframes particleFloat {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0) translateY(-100px);
    }
}

/* Party Mode Effects */
.party-mode {
    animation: partyGlow 2s ease-in-out infinite alternate;
}

@keyframes partyGlow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.party-mode .header {
    animation: partyBounce 1s ease-in-out infinite;
}

@keyframes partyBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

/* Immersive Mode Effects */
.immersive-mode .sidebar {
    transform: translateX(100%);
    transition: transform 0.5s ease;
}

.immersive-mode .main-content {
    grid-column: 1 / -1;
}

.immersive-mode .header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
}

/* Responsive Updates */
@media (max-width: 768px) {
    .library-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-input {
        width: 100%;
    }
    
    .advanced-controls {
        flex-direction: column;
        gap: 5px;
        margin-left: 0;
        margin-top: 10px;
    }
    
    .visualizer-controls {
        position: static;
        justify-content: center;
        margin-bottom: 10px;
    }
    
    .mini-player {
        width: 280px;
        bottom: 10px;
        right: 10px;
    }
    
    .immersive-mode .sidebar {
        transform: translateX(100%);
    }
}

@media (max-width: 480px) {
    .header-controls {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .btn-neon {
        padding: 8px 12px;
        font-size: 10px;
    }
    
    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
    
    .equalizer-container {
        width: 280px;
        bottom: 10px;
        left: 10px;
    }
}