:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79b8ff;
    --success: #3fb950;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--accent), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: var(--text-muted);
    font-size: 1.1rem;
}

section {
    margin-bottom: 2.5rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.install {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.code-block {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    overflow-x: auto;
}

.code-block code,
.code-block pre {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    color: var(--accent);
    white-space: pre;
}

.code-block pre {
    margin: 0;
    flex: 1;
}

.copy-btn {
    background: var(--border);
    border: none;
    color: var(--text);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background 0.2s;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--text-muted);
}

.note {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.note code {
    background: var(--bg);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.download-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.2s, transform 0.2s;
}

.download-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.download-card .icon {
    font-size: 2rem;
    line-height: 1;
}

.download-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.download-card span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.setup .code-block {
    display: block;
    position: relative;
    margin-bottom: 1rem;
}

.setup .code-block:last-child {
    margin-bottom: 0;
}

.setup .code-block .copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    opacity: 0.7;
}

.setup .code-block:hover .copy-btn {
    opacity: 1;
}

.steps {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem 1rem 2.5rem;
    margin: 1rem 0;
}

.steps li {
    padding: 0.4rem 0;
    color: var(--text);
}

.steps li strong {
    color: var(--accent);
}

.steps li code {
    background: var(--bg);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.features ul {
    list-style: none;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
}

.features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.features li:last-child {
    border-bottom: none;
}

.features strong {
    color: var(--accent);
}

footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.separator {
    margin: 0 0.75rem;
}

@media (max-width: 480px) {
    .container {
        padding: 2rem 1rem;
    }

    h1 {
        font-size: 2rem;
    }

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