/* ==========================================================================
   SoundStream Theme - Modern Glassmorphism & High-Fidelity Design System
   ========================================================================== */

:root {
    --bg-primary: #0b0f19;
    --bg-surface: #151c2c;
    --bg-surface-hover: #1e293b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(99, 102, 241, 0.3);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #6366f1;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
    min-height: 100vh;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
    color: #38bdf8;
}

/* Header & Navigation */
#site-header {
    background: rgba(21, 28, 44, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
}

.header-container {
    max-width: 1200px;
    width: 92%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.03em;
}

.logo-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #ffffff;
    box-shadow: var(--shadow-glow);
}

/* Search Form */
.header-search {
    flex: 1;
    max-width: 480px;
}

.search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 100%;
    padding: 12px 18px 12px 46px;
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: #ffffff;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
    background: rgba(15, 23, 42, 0.95);
}

.search-icon {
    position: absolute;
    left: 18px;
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
}

/* Layout */
.main-wrapper {
    max-width: 1200px;
    width: 92%;
    margin: 32px auto;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
}

@media (max-width: 992px) {
    .main-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Glass Card Component */
.glass-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    border-color: var(--border-highlight);
}

/* Typography */
.page-title {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.3;
    color: #ffffff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--accent-cyan);
}

/* Track Cards Grid */
.track-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.track-card {
    background: rgba(21, 28, 44, 0.7);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.track-card:hover {
    transform: translateY(-4px);
    background: var(--bg-surface-hover);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.track-thumb {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

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

.track-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.track-meta {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--accent-gradient);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 30px;
    box-shadow: var(--shadow-glow);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
}

/* Sidebar & Tags */
.sidebar-widget {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.tag-item:hover {
    background: var(--accent-primary);
    color: #ffffff;
    border-color: var(--accent-primary);
}

/* Footer */
#site-footer {
    background: #070a12;
    border-top: 1px solid var(--border-color);
    padding: 40px 0 24px 0;
    margin-top: 60px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-container {
    max-width: 1200px;
    width: 92%;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--accent-cyan);
}