/* VinylVault Web App Styles */

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

:root {
    /* Colors matching the app theme */
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --accent: #f093fb;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-warm: linear-gradient(135deg, #ff6b6b 0%, #feca57 100%);
    --gradient-cool: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    
    /* Text colors */
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    --text-light: #ffffff;
    --text-muted: #a0aec0;
    
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-tertiary: #edf2f7;
    --bg-sidebar: #1a202c;
    --bg-card: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Borders */
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
    
    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

/* Base Styles */
body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
    color: white;
}

.vinyl-loader {
    margin-bottom: var(--spacing-xl);
}

.vinyl-record {
    width: 80px;
    height: 80px;
    background: linear-gradient(145deg, #2d3748, #1a202c);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.vinyl-record.spinning {
    animation: spin 2s linear infinite;
}

.vinyl-record.mini-spin {
    animation: spin 20s linear infinite;
}

.vinyl-record::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.vinyl-record::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.record-center {
    background: var(--gradient-warm);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

/* App Container */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    color: white;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
    position: relative;
    z-index: 100;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-icon .vinyl-record {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.collapse-btn {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.collapse-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: rgba(102, 126, 234, 0.2);
    border-left-color: var(--primary);
    color: white;
}

.nav-item.external {
    position: relative;
}

.nav-item.external:after {
    content: '↗';
    font-size: 12px;
    opacity: 0.6;
    margin-left: auto;
}

/* Navigation Divider */
.nav-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: var(--spacing-md) var(--spacing-lg);
}

/* Navigation Groups */
.nav-group {
    margin-top: var(--spacing-md);
}

.nav-group-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.5);
    padding: var(--spacing-sm) var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.nav-group .nav-item {
    padding-left: calc(var(--spacing-lg) + var(--spacing-sm));
}

.nav-group-collapsed {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-group-collapsed .nav-item {
    margin-bottom: var(--spacing-xs);
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.user-avatar.large {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-2xl);
}

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

.user-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.view-header {
    background: white;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.header-title h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.header-title p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

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

.view-modes {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: 4px;
}

.view-mode-btn {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.view-mode-btn.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn.small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

/* Collection View */
.collection-filters {
    padding: var(--spacing-xl);
    background: white;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 300px;
}

.search-box svg {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-box.large {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.search-input.large {
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) 50px;
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-lg);
}

.search-btn {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-dark);
}

.search-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.filter-options {
    display: flex;
    gap: var(--spacing-md);
}

.filter-select {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    font-size: var(--font-size-base);
    min-width: 150px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Records Container */
.records-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

.records-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.records-grid.list-view {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.record-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition-slow);
    position: relative;
}

.record-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.list-view .record-card {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
}

.list-view .record-card:hover {
    transform: none;
    box-shadow: var(--shadow-lg);
}

.record-cover {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.list-view .record-cover {
    width: 80px;
    height: 80px;
    aspect-ratio: 1;
    border-radius: var(--border-radius);
    margin-right: var(--spacing-lg);
}

.record-cover.large {
    width: 200px;
    height: 200px;
    aspect-ratio: 1;
    border-radius: var(--border-radius-lg);
    margin-right: var(--spacing-xl);
}

.record-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    /* Improve image rendering quality */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    /* Prevent blurry scaling */
    -ms-interpolation-mode: bicubic;
    /* Ensure images scale properly on high-DPI displays */
    image-rendering: auto;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    /* Better quality on high-DPI displays */
    min-width: 100%;
    min-height: 100%;
    /* Smooth loading transition */
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* High-DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .record-cover img {
        /* Use sharper rendering for high-DPI displays */
        image-rendering: -webkit-optimize-contrast;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

.record-card:hover .record-cover img {
    transform: scale(1.05);
}

.placeholder-cover {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
}

.record-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.play-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

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

.record-info {
    padding: var(--spacing-lg);
    flex: 1;
}

.list-view .record-info {
    padding: 0;
}

.record-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    line-height: 1.3;
}

.record-artist {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.record-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
    font-size: var(--font-size-sm);
}

.record-year,
.record-format,
.record-label,
.record-plays {
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-xs);
}

.record-label {
    background: var(--gradient-cool);
    color: white;
}

.record-plays {
    background: var(--gradient-primary);
    color: white;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-icon {
    margin-bottom: var(--spacing-xl);
    color: var(--text-tertiary);
}

.empty-state h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.empty-state p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

/* Search View */
.search-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

.search-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-lg);
}

.search-results {
    margin-top: var(--spacing-xl);
}

.results-header {
    margin-bottom: var(--spacing-xl);
}

.results-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.results-header p {
    color: var(--text-secondary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.search-result-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: var(--spacing-lg);
    transition: var(--transition);
}

.search-result-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.result-cover {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    overflow: hidden;
    flex-shrink: 0;
}

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

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

.result-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    line-height: 1.3;
}

.result-artist {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.result-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.result-year,
.result-format {
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
}

.result-actions {
    display: flex;
    align-items: center;
}

/* Statistics View */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.stat-content h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-content p {
    color: var(--text-secondary);
    font-weight: 500;
}

.charts-section {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
}

.chart-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.chart-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.top-records {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.top-record {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    transition: var(--transition);
}

.top-record:hover {
    background: var(--bg-tertiary);
}

.rank {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
    min-width: 40px;
}

.record-mini {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

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

.placeholder-mini {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
}

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

.record-details .title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

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

.plays {
    color: var(--primary);
    font-weight: 600;
}

/* Profile View */
.profile-content {
    padding: var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.profile-card {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.profile-card h2 {
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--text-primary);
}

.profile-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.profile-stats {
    display: flex;
    justify-content: space-around;
    gap: var(--spacing-lg);
}

.profile-stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.settings-section {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.settings-section h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.setting-item label {
    font-weight: 500;
    color: var(--text-primary);
}

.setting-item select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    min-width: 120px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal.large {
    max-width: 800px;
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-secondary);
}

.modal-body {
    padding: var(--spacing-xl);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

/* Record Detail */
.record-detail {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

.record-detail .record-info h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.record-detail .artist {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.metadata {
    margin-bottom: var(--spacing-xl);
}

.meta-item {
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.meta-item strong {
    color: var(--text-primary);
    margin-right: var(--spacing-sm);
}

/* Tracklist Section */
.tracklist-section {
    margin-bottom: var(--spacing-xl);
}

.tracklist-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary);
}

.tracklist {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    max-height: 400px;
    overflow-y: auto;
}

.track-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

.track-item:hover {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

.track-item:last-child {
    margin-bottom: 0;
}

.track-position {
    font-weight: 600;
    color: var(--primary);
    font-size: var(--font-size-sm);
    min-width: 40px;
    text-align: center;
    background: rgba(102, 126, 234, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
}

.track-title {
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

.track-duration {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-family: 'Monaco', 'Courier New', monospace;
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
}

.record-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1100;
    max-width: 400px;
    animation: slideInUp 0.3s ease;
}

.toast.success {
    background: var(--success);
    color: white;
}

.toast.error {
    background: var(--error);
    color: white;
}

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

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

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

/* Touch Support */
.touch-enabled .record-card.touch-active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .profile-content {
        grid-template-columns: 1fr;
    }
    
    .records-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .sidebar {
        width: 240px;
    }
    
    .modal {
        max-width: 90vw;
        margin: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -280px;
        z-index: 200;
        transition: left 0.3s ease;
        height: 100vh;
        width: 280px;
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .sidebar.collapsed {
        left: -80px;
    }
    
    .main-content {
        width: 100%;
        margin-left: 0;
    }
    
    .view-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .view-modes {
        order: 1;
        width: 100%;
    }
    
    .collection-filters {
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }
    
    .search-box {
        min-width: auto;
        width: 100%;
    }
    
    .filter-options {
        justify-content: stretch;
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .filter-select {
        flex: 1;
        min-width: auto;
    }
    
    .records-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .records-grid.list-view {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .record-detail {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .record-actions {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal {
        max-width: 95vw;
        margin: var(--spacing-md);
        max-height: 95vh;
    }
    
    .modal-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    /* Mobile-specific record card adjustments */
    .record-card {
        min-height: 120px;
    }
    
    .list-view .record-card {
        padding: var(--spacing-md);
    }
    
    .list-view .record-cover {
        width: 60px;
        height: 60px;
        margin-right: var(--spacing-md);
    }
    
    /* Touch-friendly buttons */
    .btn {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .btn.small {
        min-height: 36px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Mobile sidebar overlay */
    .sidebar::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: -1;
    }
    
    .sidebar.open::before {
        opacity: 1;
        visibility: visible;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .view-header {
        padding: var(--spacing-lg);
    }
    
    .header-title h1 {
        font-size: var(--font-size-2xl);
    }
    
    .records-container {
        padding: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    .stat-icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--spacing-md);
    }
    
    .top-record {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .rank {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .profile-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .profile-stat {
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
        background: var(--bg-secondary);
    }
    
    /* Very small screen adjustments */
    .search-box.large .search-input.large {
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
    }
    
    .search-btn {
        right: var(--spacing-xs);
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .record-title {
        font-size: var(--font-size-base);
        line-height: 1.4;
    }
    
    .record-artist {
        font-size: var(--font-size-sm);
    }
    
    .record-meta {
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }
    
    .modal {
        max-width: 100vw;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
    }
    
    .modal.large {
        max-width: 100vw;
    }
    
    .modal-header {
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    /* Compact navigation */
    .sidebar {
        width: 100vw;
        left: -100vw;
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .nav-item {
        padding: var(--spacing-lg);
        font-size: var(--font-size-lg);
    }
    
    /* Touch optimization */
    .play-btn {
        width: 60px;
        height: 60px;
    }
    
    .control-btn {
        min-width: 44px;
        min-height: 44px;
    }
    
    .view-mode-btn {
        min-width: 44px;
        min-height: 44px;
        padding: var(--spacing-md);
    }
    
    /* Improved tap targets */
    .record-card {
        padding: var(--spacing-md);
        min-height: 140px;
    }
    
    .search-result-card {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .result-cover {
        width: 60px;
        height: 60px;
    }
    
    /* Mobile tracklist adjustments */
    .track-item {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }
    
    .track-duration {
        grid-column: 1 / -1;
        justify-self: end;
        font-size: var(--font-size-xs);
        margin-top: var(--spacing-xs);
    }
    
    .track-position {
        min-width: 32px;
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs);
    }
    
    .tracklist {
        padding: var(--spacing-md);
        max-height: 300px;
    }
    
    .tracklist-section h4 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-md);
    }
}