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

:root {
    --bg: #0a0a0f;
    --surface: #13131a;
    --surface-hover: #1a1a24;
    --border: #1e1e2a;
    --border-light: #2a2a3a;
    --text: #e0e0e6;
    --text-muted: #6b6b80;
    --text-dim: #4a4a5e;
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --accent-hover: #818cf8;
    --green: #22c55e;
    --green-bg: rgba(34, 197, 94, 0.1);
    --yellow: #eab308;
    --yellow-bg: rgba(234, 179, 8, 0.1);
    --red: #ef4444;
    --red-bg: rgba(239, 68, 68, 0.1);
    --blue: #3b82f6;
    --blue-bg: rgba(59, 130, 246, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
}

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

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

a:hover {
    color: var(--accent-hover);
}

.page-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2.5rem;
}

.page-header .breadcrumb {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.page-header .breadcrumb a {
    color: var(--text-muted);
}

.page-header .breadcrumb a:hover {
    color: var(--accent);
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.25rem;
}

.page-header .subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
}

h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 0.75rem;
}

p:last-child {
    margin-bottom: 0;
}

code {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: "SF Mono", "Fira Code", monospace;
    color: var(--accent);
}