/* Groovezilla Music Streaming App - Dark Theme CSS */

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

/* SVG Icons */
.icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.icon-home {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M3 9l9-7 9 7v11a2 2 0 01-2 2H5a2 2 0 01-2-2z'/%3E%3Cpath d='M9 22V12h6v10'/%3E%3C/svg%3E");
}

.icon-playlist {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z'/%3E%3Cpolyline points='14,2 14,8 20,8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3Cpolyline points='10,9 9,9 8,9'/%3E%3C/svg%3E");
}

.icon-album {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3Ccircle cx='8.5' cy='8.5' r='1.5'/%3E%3Cpolyline points='21,15 16,10 5,21'/%3E%3C/svg%3E");
}

.icon-artist {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M20 21v-2a4 4 0 00-4-4H8a4 4 0 00-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E");
}

.icon-discovery {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z'/%3E%3C/svg%3E");
}

.icon-settings {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.65 1.65 0 00.33 1.82l.06.06a2 2 0 010 2.83 2 2 0 01-2.83 0l-.06-.06a1.65 1.65 0 00-1.82-.33 1.65 1.65 0 00-1 1.51V21a2 2 0 01-2 2 2 2 0 01-2-2v-.09A1.65 1.65 0 009 19.4a1.65 1.65 0 00-1.82.33l-.06.06a2 2 0 01-2.83 0 2 2 0 010-2.83l.06-.06a1.65 1.65 0 00.33-1.82 1.65 1.65 0 00-1.51-1H3a2 2 0 01-2-2 2 2 0 012-2h.09A1.65 1.65 0 004.6 9a1.65 1.65 0 00-.33-1.82l-.06-.06a2 2 0 010-2.83 2 2 0 012.83 0l.06.06a1.65 1.65 0 001.82.33H9a1.65 1.65 0 001-1.51V3a2 2 0 012-2 2 2 0 012 2v.09a1.65 1.65 0 001 1.51 1.65 1.65 0 001.82-.33l.06-.06a2 2 0 012.83 0 2 2 0 010 2.83l-.06.06a1.65 1.65 0 00-.33 1.82V9a1.65 1.65 0 001.51 1H21a2 2 0 012 2 2 2 0 01-2 2h-.09a1.65 1.65 0 00-1.51 1z'/%3E%3C/svg%3E");
}

.icon-history {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M3 12a9 9 0 1018 0 9 9 0 00-18 0z'/%3E%3Cpath d='M12 7v5l3 3'/%3E%3C/svg%3E");
}

.icon-heart {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M20.84 4.61a5.5 5.5 0 00-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 00-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 000-7.78z'/%3E%3C/svg%3E");
}

.icon-search {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='M21 21l-4.35-4.35'/%3E%3C/svg%3E");
}

.icon-user {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M20 21v-2a4 4 0 00-4-4H8a4 4 0 00-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E");
}

.icon-login {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M15 3h4a2 2 0 012 2v14a2 2 0 01-2 2h-4'/%3E%3Cpolyline points='10,17 15,12 10,7'/%3E%3Cline x1='15' y1='12' x2='3' y2='12'/%3E%3C/svg%3E");
}

.icon-logout {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M9 21H5a2 2 0 01-2-2V5a2 2 0 012-2h4'/%3E%3Cpolyline points='16,17 21,12 16,7'/%3E%3Cline x1='21' y1='12' x2='9' y2='12'/%3E%3C/svg%3E");
}

.icon-plus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
}

.icon-menu {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='3' y1='6' x2='21' y2='6'/%3E%3Cline x1='3' y1='12' x2='21' y2='12'/%3E%3Cline x1='3' y1='18' x2='21' y2='18'/%3E%3C/svg%3E");
}

.icon-play {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");
}

.icon-pause {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M6 4h4v16H6V4zm8 0h4v16h-4V4z'/%3E%3C/svg%3E");
}

.icon-next {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M16 18h2V6h-2v12zM6 18l8.5-6L6 6v12z'/%3E%3C/svg%3E");
}

.icon-prev {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M6 6h2v12H6V6zm3.5 6l8.5 6V6l-8.5 6z'/%3E%3C/svg%3E");
}

.icon-shuffle {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M16 3h5v5M4 20L21 3M21 16v5h-5M15 15l6 6M4 4l5 5'/%3E%3C/svg%3E");
}

.icon-repeat {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M17 1l4 4-4 4M3 11V9a4 4 0 014-4h14M7 23l-4-4 4-4M21 13v2a4 4 0 01-4 4H3'/%3E%3C/svg%3E");
}

.icon-volume {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02z'/%3E%3C/svg%3E");
}

.icon-download {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4'/%3E%3Cpolyline points='7,10 12,15 17,10'/%3E%3Cline x1='12' y1='15' x2='12' y2='3'/%3E%3C/svg%3E");
}

.icon-music {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M9 18V5l12-2v13'/%3E%3Ccircle cx='6' cy='18' r='3'/%3E%3Ccircle cx='18' cy='16' r='3'/%3E%3C/svg%3E");
}

.icon-star {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpolygon points='12,2 15.09,8.26 22,9.27 17,14.14 18.18,21.02 12,17.77 5.82,21.02 7,14.14 2,9.27 8.91,8.26'/%3E%3C/svg%3E");
}

.icon-expand {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M8 3H5a2 2 0 00-2 2v3m18 0V5a2 2 0 00-2-2h-3m0 18h3a2 2 0 002-2v-3M3 16v3a2 2 0 002 2h3'/%3E%3C/svg%3E");
}

.icon-follow {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M16 21v-2a4 4 0 00-4-4H5a4 4 0 00-4 4v2'/%3E%3Ccircle cx='8.5' cy='7' r='4'/%3E%3Cline x1='20' y1='8' x2='20' y2='14'/%3E%3Cline x1='23' y1='11' x2='17' y2='11'/%3E%3C/svg%3E");
}

.icon-following {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M16 21v-2a4 4 0 00-4-4H5a4 4 0 00-4 4v2'/%3E%3Ccircle cx='8.5' cy='7' r='4'/%3E%3Cpath d='M20 8l-4 4-2-2'/%3E%3C/svg%3E");
}

:root {
    /* Dark Theme Color Palette */
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --tertiary-bg: #2a2a2a;
    --card-bg: #1e1e1e;
    --hover-bg: #333333;
    
    /* Accent Colors - Cyan/Aqua Theme */
    --primary-accent: #00E4CB;
    --secondary-accent: #00B8A3;
    --accent-hover: #00D4C1;
    --accent-light: rgba(0, 228, 203, 0.1);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666666;
    --text-disabled: #404040;
    
    /* Status Colors */
    --success: #00E4CB;
    --warning: #ffa500;
    --error: #ff4444;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.6);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
    overflow-x: hidden;
}

/* Layout Structure */
.app-container {
    display: flex;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--secondary-bg);
    border-right: 1px solid var(--tertiary-bg);
    padding: var(--spacing-lg);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.logo-section {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--tertiary-bg);
}

.logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border-radius: var(--radius-md);
    margin-right: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.logo::before {
    content: "G";
    color: var(--primary-bg);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Navigation */
.nav-menu {
    margin-bottom: var(--spacing-xl);
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-item:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

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

.nav-item.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--primary-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-item .icon {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-md);
    background: currentColor;
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
}

/* Categories */
.categories-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.category-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.category-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--tertiary-bg);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.category-item:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.category-item.active {
    background: var(--primary-accent);
    color: var(--primary-bg);
    border-color: var(--primary-accent);
}

/* My Playlists */
.my-playlists {
    margin-bottom: var(--spacing-xl);
}

.playlist-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.playlist-link:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.playlist-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: var(--spacing-md);
}

.playlist-dot.red { background: #ff4444; }
.playlist-dot.blue { background: #4444ff; }
.playlist-dot.purple { background: #8844ff; }
.playlist-dot.cyan { background: var(--primary-accent); }

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-lg);
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

.main-content.expanded {
    margin-left: 0;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--tertiary-bg);
}

.search-bar {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 40px;
    background: var(--tertiary-bg);
    border: 1px solid var(--tertiary-bg);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-accent);
    background: var(--secondary-bg);
}

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

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--text-muted);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E");
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
}

/* Search Results Dropdown */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--tertiary-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    margin-top: var(--spacing-xs);
}

.search-results.show {
    display: block;
}

.search-result-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--tertiary-bg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-result-item:hover {
    background: var(--hover-bg);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-cover {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    object-fit: cover;
    margin-right: var(--spacing-md);
}

.search-result-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.search-result-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

.search-result-type {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--primary-accent);
    color: var(--primary-bg);
    border-radius: var(--radius-sm);
    margin-left: auto;
}

.search-no-results {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
}

.search-loading {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-secondary);
}

.search-loading::after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--tertiary-bg);
    border-top: 2px solid var(--primary-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: var(--spacing-sm);
}

.user-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--primary-accent);
    border-radius: var(--radius-full);
    color: var(--primary-accent);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.download-btn:hover {
    background: var(--primary-accent);
    color: var(--primary-bg);
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.auth-buttons .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary-accent);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-bg);
    position: relative;
}

.user-avatar:hover {
    background: var(--accent-hover);
}

.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--tertiary-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    min-width: 150px;
    z-index: 1000;
    display: none;
}

.user-menu.show {
    display: block;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.user-menu-item:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

/* Content Sections */
.content-section {
    margin-bottom: var(--spacing-xxl);
}

.section-heading {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: url('https://images.unsplash.com/photo-1487180144351-b8472da7d491?w=400&h=400&fit=crop');
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-xl);
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 60%;
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--primary-bg);
}

.hero-subtitle {
    font-size: 16px;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-bg);
    opacity: 0.8;
}

.hero-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary-bg);
    color: var(--primary-accent);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* Track List */
.track-list {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--tertiary-bg);
}

.track-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--tertiary-bg);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.track-item:hover {
    background: var(--hover-bg);
}

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

.track-number {
    width: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

.track-info {
    display: flex;
    align-items: center;
    flex: 1;
    margin-left: var(--spacing-md);
}

.track-cover {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    margin-right: var(--spacing-md);
    object-fit: cover;
}

.track-details h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
}

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

.track-duration {
    color: var(--text-muted);
    font-size: 12px;
    margin-right: var(--spacing-md);
}

.track-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: var(--primary-accent);
    color: var(--primary-bg);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--tertiary-bg);
    color: var(--text-primary);
    border: 1px solid var(--tertiary-bg);
}

.btn-secondary:hover {
    background: var(--hover-bg);
    border-color: var(--primary-accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--tertiary-bg);
}

.btn-ghost:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.play-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-accent);
    color: var(--primary-bg);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all var(--transition-fast);
}

.play-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.1);
}

.play-btn.playing {
    background: var(--error);
}

.like-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all var(--transition-fast);
}

.like-btn:hover {
    color: var(--error);
    background: rgba(255, 68, 68, 0.1);
}

.like-btn.liked {
    color: var(--error);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--tertiary-bg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-accent);
}

.card-image {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-md);
    object-fit: cover;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Artist Cards */
.artist-card {
    text-align: center;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--tertiary-bg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.artist-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-accent);
}

.artist-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--spacing-md);
    border: 3px solid var(--primary-accent);
}

.artist-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.artist-followers {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.follow-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--primary-accent);
    border-radius: var(--radius-full);
    color: var(--primary-accent);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.follow-btn:hover {
    background: var(--primary-accent);
    color: var(--primary-bg);
}

/* Album Cards */
.album-card {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--tertiary-bg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.album-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-accent);
}

.album-cover {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
    margin-right: var(--spacing-md);
}

.album-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
}

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

/* Mini Player */
.mini-player-widget {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--secondary-bg);
    border-top: 1px solid var(--tertiary-bg);
    padding: var(--spacing-md);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.mini-player-widget.show {
    transform: translateY(0);
}

.mini-player-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.mini-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.mini-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.mini-btn.play-pause {
    background: var(--primary-accent);
    color: var(--primary-bg);
}

.mini-btn.play-pause:hover {
    background: var(--accent-hover);
}

.mini-btn .icon {
    width: 16px;
    height: 16px;
}

.mini-track-info {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.mini-cover {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    object-fit: cover;
    margin-right: var(--spacing-md);
}

.mini-details {
    min-width: 0;
}

.mini-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.mini-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.mini-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.mini-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.mini-btn.play-pause {
    background: var(--primary-accent);
    color: var(--primary-bg);
}

.mini-btn.play-pause:hover {
    background: var(--accent-hover);
}

.mini-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    max-width: 300px;
}

.mini-time-current,
.mini-time-total {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 30px;
}

.mini-progress-bar {
    flex: 1;
    height: 4px;
    background: var(--tertiary-bg);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.mini-progress-fill {
    height: 100%;
    background: var(--primary-accent);
    border-radius: 2px;
    transition: width var(--transition-fast);
}

.mini-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Notifications */
.groovezilla-notification {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--card-bg);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-accent);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.groovezilla-notification.show {
    transform: translateX(0);
}

/* Auth Modal */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.auth-modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--tertiary-bg);
    box-shadow: var(--shadow-xl);
}

.auth-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.auth-modal-header h2 {
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
}

.auth-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.auth-modal-close:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.auth-form {
    margin-bottom: var(--spacing-lg);
}

/* Social Login Styles */
.social-login {
    margin-top: var(--spacing-lg);
}

.social-login .divider {
    text-align: center;
    margin: var(--spacing-lg) 0;
    position: relative;
    color: var(--text-muted);
    font-size: 14px;
}

.social-login .divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--tertiary-bg);
    z-index: 1;
}

.social-login .divider span {
    background: var(--card-bg);
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 2;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--tertiary-bg);
    border-radius: var(--radius-md);
    background: var(--secondary-bg);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.social-btn:hover {
    background: var(--hover-bg);
    border-color: var(--primary-accent);
    transform: translateY(-1px);
}

.social-btn.google {
    border-color: #db4437;
}

.social-btn.google:hover {
    background: rgba(219, 68, 55, 0.1);
}

.social-btn.facebook {
    border-color: #4267B2;
}

.social-btn.facebook:hover {
    background: rgba(66, 103, 178, 0.1);
}

.social-btn.apple {
    border-color: #000;
}

.social-btn.apple:hover {
    background: rgba(0, 0, 0, 0.1);
}

.social-icon {
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.social-icon.google {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23db4437' d='M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z'/%3E%3Cpath fill='%234285f4' d='M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z'/%3E%3Cpath fill='%23fbbc05' d='M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z'/%3E%3Cpath fill='%23ea4335' d='M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z'/%3E%3C/svg%3E");
}

.social-icon.facebook {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%234267B2' d='M24 12.073c0-6.627-5.373-12-12-12s-12 5.373-12 12c0 5.99 4.388 10.954 10.125 11.854v-8.385H7.078v-3.47h3.047V9.43c0-3.007 1.792-4.669 4.533-4.669 1.312 0 2.686.235 2.686.235v2.953H15.83c-1.491 0-1.956.925-1.956 1.874v2.25h3.328l-.532 3.47h-2.796v8.385C19.612 23.027 24 18.062 24 12.073z'/%3E%3C/svg%3E");
}

.social-icon.apple {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M18.71 19.5c-.83 1.24-1.71 2.45-3.05 2.47-1.34.03-1.77-.79-3.29-.79-1.53 0-2 .77-3.27.82-1.31.05-2.3-1.32-3.14-2.53C4.25 17 2.94 12.45 4.7 9.39c.87-1.52 2.43-2.48 4.12-2.51 1.28-.02 2.5.87 3.29.87.78 0 2.26-1.07 3.81-.91.65.03 2.47.26 3.64 1.98-.09.06-2.17 1.28-2.15 3.81.03 3.02 2.65 4.03 2.68 4.04-.03.07-.42 1.44-1.38 2.83M13 3.5c.73-.83 1.94-1.46 2.94-1.5.13 1.17-.34 2.35-1.04 3.19-.69.85-1.83 1.51-2.95 1.42-.15-1.15.41-2.35 1.05-3.11z'/%3E%3C/svg%3E");
}

.auth-switch {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-link {
    background: none;
    border: none;
    color: var(--primary-accent);
    cursor: pointer;
    font-weight: 600;
    text-decoration: underline;
    margin-left: var(--spacing-xs);
}

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

.auth-demo {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--tertiary-bg);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.auth-demo code {
    background: var(--secondary-bg);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    color: var(--primary-accent);
}

.btn-full {
    width: 100%;
}

.icon-close {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E");
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--tertiary-bg);
    border: 1px solid var(--tertiary-bg);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-accent);
    background: var(--secondary-bg);
}

.auth-demo-info {
    background: var(--accent-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--primary-accent);
}

.auth-demo-info h4 {
    color: var(--primary-accent);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.auth-demo-info p {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: var(--spacing-xs);
}

.follow-btn.following {
    background: var(--primary-accent);
    color: var(--primary-bg);
    border-color: var(--primary-accent);
}

/* Form Elements */
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--tertiary-bg);
    border: 1px solid var(--tertiary-bg);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-accent);
    background: var(--secondary-bg);
}

.form-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-accent);
}

.volume-slider {
    flex: 1;
    height: 6px;
    background: var(--tertiary-bg);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary-accent);
    border-radius: 50%;
    cursor: pointer;
}

.volume-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--primary-accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .sidebar {
        width: 240px;
    }
    
    .main-content {
        margin-left: 240px;
    }
    
    .grid-5 { grid-template-columns: repeat(4, 1fr); }
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .search-bar {
        max-width: none;
    }
    
    .grid-5,
    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-banner {
        padding: var(--spacing-lg);
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .mini-player-content {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .mini-progress {
        order: 3;
        flex-basis: 100%;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-md);
    }
    
    .grid-5,
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 20px;
    }
    
    .section-heading {
        font-size: 20px;
    }
}

/* Utility Classes */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--tertiary-bg);
    border-top: 2px solid var(--primary-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

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

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

/* Focus States */
button:focus,
input:focus,
a:focus {
    outline: 2px solid var(--primary-accent);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--accent-light);
    color: var(--text-primary);
}

/* Mini Player Styles */
.mini-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--secondary-bg);
    border-top: 1px solid var(--tertiary-bg);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.player-track-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 0 0 300px;
}

.mini-album-art {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-md);
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.player-track-details {
    flex: 1;
    min-width: 0;
}

.player-track-details h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-track-details p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-controls {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 600px;
}

.player-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-player-control {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 50%;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.btn-player-control:hover {
    color: var(--text-primary);
    background: var(--tertiary-bg);
    transform: scale(1.05);
}

.btn-player-control.btn-play {
    background: var(--primary-accent);
    color: var(--primary-bg);
    width: 44px;
    height: 44px;
    font-size: 18px;
}

.btn-player-control.btn-play:hover {
    background: var(--accent-hover);
    transform: scale(1.1);
}

.btn-player-control.btn-seek {
    font-size: 13px;
}

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

.player-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.time-current,
.time-total {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 45px;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--tertiary-bg);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.progress-bar:hover {
    height: 8px;
}

.progress-fill {
    height: 100%;
    background: var(--primary-accent);
    border-radius: 3px;
    transition: width 0.1s linear;
    position: relative;
}

.progress-bar:hover .progress-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: var(--primary-accent);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(0, 228, 203, 0.5);
}

.player-volume {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 0 0 250px;
    justify-content: flex-end;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 50%;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--tertiary-bg);
}

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

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

.volume-fill {
    height: 100%;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: background var(--transition-fast);
}

.volume-bar:hover .volume-fill {
    background: var(--primary-accent);
}

@media (max-width: 1024px) {
    .mini-player {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .player-track-info {
        flex: 0 0 200px;
    }
    
    .mini-album-art {
        width: 60px;
        height: 60px;
    }
    
    .player-track-details h4 {
        font-size: 16px;
    }
    
    .player-track-details p {
        font-size: 14px;
    }
    
    .player-volume {
        flex: 0 0 180px;
    }
    
    .volume-bar {
        width: 80px;
    }
}

@media (max-width: 768px) {
    .mini-player {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .player-track-info,
    .player-controls,
    .player-volume {
        flex: 1;
        width: 100%;
        max-width: none;
    }
    
    .player-volume {
        justify-content: center;
    }
}