:root {
    --primary: #6366f1;
    --secondary: #10b981;
    --accent: #f59e0b;
    --danger: #ef4444;
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-soft: #111827;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}
.container { max-width: 1150px; margin: 0 auto; padding: 2rem; }

.back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 1rem;
}
.back-link:hover { color: var(--secondary); }

header {
    text-align: center;
    padding: 2rem 0 1.5rem;
    border-bottom: 2px solid var(--primary);
    margin-bottom: 2rem;
}
header h1 {
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
}
header .subtitle { color: var(--text-muted); font-size: 1.05rem; }

.section {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}
.section h2 {
    color: var(--primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section h2 .num {
    background: var(--primary);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.section h3 {
    color: var(--secondary);
    margin-top: 1.25rem;
    margin-bottom: 0.6rem;
}
.section p { margin-bottom: 0.75rem; }
.section p + p { margin-top: 0.5rem; }

.callout {
    background: rgba(245,158,11,0.08);
    border-left: 4px solid var(--accent);
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
}
.callout.info { background: rgba(99,102,241,0.08); border-left-color: var(--primary); }
.callout.warn { background: rgba(239,68,68,0.08); border-left-color: var(--danger); }
.callout strong { color: var(--accent); }
.callout.info strong { color: var(--primary); }
.callout.warn strong { color: var(--danger); }

.code-block, pre.code-block {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.88rem;
    overflow-x: auto;
    margin: 1rem 0;
    white-space: pre;
}
.code-block .c { color: var(--text-muted); }
.code-block .k { color: var(--primary); }
.code-block .f { color: var(--secondary); }
.code-block .s { color: var(--accent); }
.code-block .m { color: #ec4899; }

code.inline {
    background: var(--bg-soft);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    color: var(--accent);
    font-size: 0.88em;
    font-family: 'Consolas', monospace;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}
.card {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}
.card h3, .card h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    margin-top: 0;
}
.card p { color: var(--text-muted); font-size: 0.92rem; }
.card.good { border-left: 3px solid var(--secondary); }
.card.bad { border-left: 3px solid var(--danger); }
.card.warn { border-left: 3px solid var(--accent); }

table.spec {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}
table.spec th, table.spec td {
    padding: 0.6rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
table.spec th { color: var(--primary); background: var(--bg-soft); }
table.spec td { color: var(--text-muted); }
table.spec td:first-child { color: var(--text); font-family: 'Consolas', monospace; }
table.spec code { color: var(--accent); }

.method-badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 4px;
    font-family: 'Consolas', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    margin-right: 0.5rem;
}
.method-badge.get { background: #065f46; color: #6ee7b7; }
.method-badge.post { background: #1e3a8a; color: #93c5fd; }
.method-badge.put { background: #78350f; color: #fcd34d; }
.method-badge.delete { background: #7f1d1d; color: #fca5a5; }

footer {
    text-align: center;
    padding: 2rem 0 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}
footer a { color: var(--secondary); text-decoration: none; }

@media (max-width: 720px) {
    .container { padding: 1rem; }
    header h1 { font-size: 1.7rem; }
}