:root {
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --bg: #f9fafb;
    --card: #ffffff;
    --primary: #0f766e;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body.portal {
    font-family: system-ui, -apple-system, Segoe UI, sans-serif;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

.portal-shell { max-width: 960px; margin: 0 auto; padding: 24px 20px 48px; }
.portal-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    font-weight: 650;
}
.brand img { width: 32px; height: 32px; }
.nav-links { display: flex; gap: 8px; }
.btn {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }

h1 { font-size: 24px; font-weight: 650; margin: 0 0 8px; }
.lede { color: var(--muted); margin: 0 0 20px; line-height: 1.5; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px;
}
.card h2 { font-size: 18px; margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0 0 14px; line-height: 1.5; }
.note { color: var(--muted); font-size: 13px; }
.footer { margin-top: 32px; color: var(--muted); font-size: 13px; }

.api-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; }
.toc { border: 1px solid var(--border); background: #fff; border-radius: 8px; padding: 12px; }
.toc a { display: block; color: var(--muted); text-decoration: none; padding: 6px 4px; font-size: 14px; }
.toc a:hover { color: var(--primary); }
.search {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    font: inherit;
    margin-bottom: 10px;
}
.endpoint-table { width: 100%; border-collapse: collapse; }
.endpoint-table th, .endpoint-table td {
    text-align: left;
    padding: 8px 6px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    vertical-align: top;
}
.endpoint-table th { color: var(--muted); font-size: 12px; font-weight: 600; }
.method {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
}
.GET { background: #dcfce7; color: #166534; }
.POST { background: #dbeafe; color: #1e40af; }
.PATCH { background: #fef3c7; color: #92400e; }
.DELETE { background: #fee2e2; color: #991b1b; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; background: #f3f4f6; padding: 1px 5px; border-radius: 4px; }
.warn { background: #fffbeb; }
pre {
    background: #111827;
    color: #f9fafb;
    padding: 12px;
    border-radius: 6px;
    overflow: auto;
    font-size: 12px;
}
.copy { border: 0; background: none; color: var(--primary); cursor: pointer; font-size: 12px; }
@media (max-width: 800px) {
    .api-layout { grid-template-columns: 1fr; }
}