*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #0b0d12;
    --surface: #12151c;
    --border: #1e2231;
    --text: #e2e4ed;
    --text-dim: #8b90a5;
    --accent: #6c63ff;
    --accent-hover: #7b73ff;
    --accent-dim: rgba(108,99,255,0.12);
    --green: #22c55e;
    --sidebar-w: 220px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}
html { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; }
body { display: flex; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Sidebar */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    z-index: 1000;
    transition: transform 0.25s ease;
}
.sidebar-logo {
    padding: 20px 20px 16px;
    font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}
.sidebar-logo span { color: var(--accent); }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.sidebar-nav a {
    display: block;
    padding: 10px 20px;
    font-size: 0.875rem;
    color: var(--text-dim);
    transition: all 0.12s;
    border-left: 3px solid transparent;
}
.sidebar-nav a:hover { color: var(--text); background: rgba(108,99,255,0.06); }
.sidebar-nav a.active { color: var(--accent); border-left-color: var(--accent); background: var(--accent-dim); }
.sidebar-nav .nav-section {
    padding: 16px 20px 6px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.6;
}
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-dim);
    opacity: 0.5;
}

/* Main content */
.main { flex: 1; margin-left: var(--sidebar-w); min-width: 0; }
.page-header { padding: 48px 0 24px; }
.page-header h1 { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; }
.page-header p { font-size: 1rem; color: var(--text-dim); margin-top: 4px; }

.container { max-width: 840px; margin: 0 auto; padding: 0 32px; }
section { padding: 48px 0; }
section h2 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 24px; }

/* Hero on home page */
.hero { padding: 80px 0 48px; text-align: center; }
.hero h1 { font-size: 2.75rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 16px; }
.hero .accent { color: var(--accent); }
.hero p { font-size: 1.125rem; color: var(--text-dim); max-width: 560px; margin: 0 auto 32px; }
.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.status-row { text-align: center; padding: 16px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); margin-right: 6px; }
.status-text { font-size: 0.8125rem; color: var(--text-dim); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 8px; font-size: 0.875rem; font-weight: 600; transition: all 0.15s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: var(--surface); border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Tables */
.col-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.col-table th { text-align: left; padding: 10px 14px; background: var(--surface); border: 1px solid var(--border); font-weight: 600; color: var(--text-dim); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.col-table td { padding: 10px 14px; border: 1px solid var(--border); }
.col-table tr:hover td { background: rgba(108,99,255,0.04); }
.col-table code { background: var(--surface); padding: 2px 6px; border-radius: 4px; font-size: 0.8rem; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px; transition: border-color 0.15s; }
.card:hover { border-color: var(--accent); }
.card h3 { font-size: 0.9375rem; font-weight: 600; margin-bottom: 6px; }
.card p { font-size: 0.8125rem; color: var(--text-dim); }
.card .tag { display: inline-block; font-size: 0.6875rem; padding: 2px 8px; border-radius: 4px; background: var(--accent-dim); color: var(--accent); margin-top: 8px; }
.card-link { text-decoration: none; color: inherit; }
.card-link:hover .card { border-color: var(--accent); }

.triple { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }

/* Code block */
.code-block { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 16px 20px; margin-top: 20px; }
.code-block pre { margin: 0; }
.code-block code { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.875rem; color: var(--accent); }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 24px 0; text-align: center; font-size: 0.8125rem; color: var(--text-dim); }
footer a { color: var(--text-dim); margin: 0 10px; }
footer a:hover { color: var(--text); }

/* Mobile toggle */
.sidebar-toggle {
    display: none;
    position: fixed; top: 12px; left: 12px; z-index: 1100;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 8px; padding: 8px 10px; cursor: pointer;
    color: var(--text); font-size: 1.25rem;
}
.sidebar-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 999;
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-toggle { display: block; }
    .sidebar-overlay.open { display: block; }
    .main { margin-left: 0; }
    .hero h1 { font-size: 2rem; }
    .col-table { font-size: 0.8125rem; }
    .col-table th, .col-table td { padding: 8px 10px; }
}