:root {
    --bg-primary: #0d0b14;
    --bg-surface: #16131f;
    --bg-elevated: #1e1a2b;
    --accent: #c4a7e7;
    --accent-dim: #907aa9;
    --text-primary: #ffffff;
    --text-secondary: #a39eb5;
    --text-muted: #6b6580;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(196, 167, 231, 0.3);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

body {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    background: var(--bg-primary) url('https://raw.githubusercontent.com/playfairs/playfairs.github.io/main/assets/saturn.png') no-repeat center center fixed;
    background-size: cover;
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow: hidden;
}


.container {
    display: flex;
    gap: 1.5rem;
    max-width: 1000px;
    width: 100%;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.main-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
    min-width: 0;
}

.sidebar {
    width: 260px;
    flex-shrink: 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(13, 11, 20, 0.5);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.sidebar h2 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.8125rem;
    transition: var(--transition-fast);
    padding: 0.625rem 0.75rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.sidebar-links a i,
.sidebar-links a svg {
    font-size: 0.8125rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    width: 0.8125rem;
    height: 0.8125rem;
    fill: currentColor;
    flex-shrink: 0;
}

.sidebar-links a:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(196, 167, 231, 0.15);
    border-color: var(--accent);
    background: var(--bg-elevated);
}

.sidebar-links a:hover i,
.sidebar-links a:hover svg {
    color: var(--accent);
}

.hero {
    flex: 1;
    padding: 3rem 2rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(13, 11, 20, 0.5);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    min-width: 0;
}

.hero-content {
    animation: fadeIn 0.6s ease;
}

.avatar-container {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.avatar-link {
    display: inline-block;
    text-decoration: none;
    border-radius: 50%;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 2px solid var(--border);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    object-fit: cover;
    object-position: center;
}

.avatar:hover {
    border-color: var(--accent);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(196, 167, 231, 0.15);
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    text-align: center;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 50%, var(--text-primary) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

.hero-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.links.featured {
    margin-top: 0.5rem;
}

.music-player {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(13, 11, 20, 0.5);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.player-layout {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.album-art-large {
    flex-shrink: 0;
}

.album-art-large a {
    display: block;
    text-decoration: none;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-base);
}

.album-art-large a:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(196, 167, 231, 0.3);
}

.album-cover-large {
    width: 160px;
    height: 160px;
    object-fit: cover;
    display: block;
}

.player-controls {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.track-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: left;
}

.track-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.track-name:hover {
    color: var(--accent);
}

.artist-name {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.artist-name:hover {
    color: var(--accent);
    text-decoration: underline;
}

.album-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.album-name:hover {
    color: var(--accent);
    text-decoration: underline;
}

.progress-container {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-dim), var(--accent));
    border-radius: 2px;
    transition: width 0.1s linear;
}

.time {
    display: flex;
    justify-content: space-between;
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.control-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.control-btn:hover {
    color: var(--accent);
    background: rgba(196, 167, 231, 0.1);
}

.control-btn.play-pause {
    width: 44px;
    height: 44px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
}

.control-btn.play-pause:hover {
    background: var(--bg-elevated);
    border-color: var(--border-hover);
}

.control-btn i {
    font-size: 0.875rem;
}

.control-btn.play-pause i {
    font-size: 1rem;
}

.links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition-fast);
    padding: 0.875rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    flex: 0 1 auto;
    position: relative;
    overflow: hidden;
}

.links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    transition: left 0.5s ease;
}

.links a:hover::before {
    left: 100%;
}

.links a i,
.links a svg {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    width: 0.875rem;
    height: 0.875rem;
    fill: currentColor;
}

.links a:hover i,
.links a:hover svg {
    color: var(--accent);
}

.links a .icon-matrix {
    width: 1rem;
    height: 1rem;
}

.links a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--bg-elevated);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(196, 167, 231, 0.15);
}

.links a:active {
    transform: translateY(0);
}


@keyframes shimmer {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
        align-items: flex-start;
    }

    .container {
        flex-direction: column;
        align-items: center;
    }

    .main-column {
        width: 100%;
        max-width: 400px;
    }

    .sidebar {
        width: 100%;
        max-width: 400px;
        max-height: 50vh;
    }

    .hero {
        padding: 2rem 1.5rem;
    }

    .music-player {
        padding: 1rem 1.25rem;
    }
}

@media (max-width: 640px) {
    .avatar {
        width: 100px;
        height: 100px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 0.9375rem;
        margin-bottom: 2rem;
    }

    .links {
        gap: 0.625rem;
    }

    .links a {
        font-size: 0.8125rem;
        padding: 0.75rem 1rem;
    }

    .sidebar h2 {
        font-size: 0.8125rem;
    }

    .sidebar-links a {
        font-size: 0.75rem;
    }
}

@media (max-width: 360px) {
    .links a {
        flex: 1 1 auto;
        min-width: 120px;
    }
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
    margin: 4px 0;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(196, 167, 231, 0.2);
    border-radius: 2px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(196, 167, 231, 0.4);
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 3px;
}

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