:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #5f6368;
  --border: #e2e2e2;
  --accent: #111111;
  --accent-fg: #ffffff;
  --card: #ffffff;
  --error: #b3261e;
  --ok: #137333;
  --warn: #895200;
}

[data-theme="dark"] {
  --bg: #0f0f0f;
  --fg: #e8e8e8;
  --muted: #a1a1a1;
  --border: #2a2a2a;
  --accent: #e8e8e8;
  --accent-fg: #111111;
  --card: #141414;
  --error: #f28b82;
  --ok: #81c995;
  --warn: #fdd663;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f0f0f;
    --fg: #e8e8e8;
    --muted: #a1a1a1;
    --border: #2a2a2a;
    --accent: #e8e8e8;
    --accent-fg: #111111;
    --card: #141414;
    --error: #f28b82;
    --ok: #81c995;
    --warn: #fdd663;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--border); padding: 12px 0 8px; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { font-weight: 700; font-size: 18px; color: var(--fg); text-decoration: none; }
.header-nav { display: flex; align-items: center; gap: 12px; }
.header-nav a { color: var(--fg); text-decoration: none; font-size: 14px; }
.header-nav a:hover { text-decoration: underline; }
.powered { font-size: 12px; color: var(--muted); margin-top: 2px; }
.powered a, footer a { color: inherit; }

.hero { padding: 32px 0 8px; }
.hero h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; max-width: 640px; }
.muted { color: var(--muted); }
.hint { font-size: 13px; color: var(--muted); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }

.hero-actions { display: flex; gap: 8px; margin-top: 12px; }

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.btn:disabled { opacity: 0.6; cursor: default; }
.ghost-btn { background: none; border: 1px solid var(--border); border-radius: 6px; color: var(--fg); padding: 4px 10px; font-size: 13px; cursor: pointer; }

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  padding: 16px;
  margin: 16px 0;
}

.card h2 { margin: 0 0 12px; font-size: 18px; }

label { display: block; margin: 10px 0; font-size: 14px; }
input[type="text"], input[type="url"], input[type="password"], textarea {
  width: 100%;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
  background: var(--bg);
  color: var(--fg);
}

.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.error { color: var(--error); font-size: 14px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; margin: 0 0 8px; }
.stats div { border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; }
.stats dt { font-size: 12px; color: var(--muted); }
.stats dd { margin: 2px 0 0; font-weight: 600; overflow-wrap: anywhere; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; margin: 12px 0 24px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.check-col { width: 34px; }
input[type="checkbox"] { accent-color: var(--fg); }
tbody tr:last-child td { border-bottom: none; }
tbody tr.selected { background: color-mix(in srgb, var(--accent) 6%, transparent); }

.pill {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 10px;
  font-size: 12px;
  white-space: nowrap;
}
.pill.working { color: var(--ok); border-color: var(--ok); }
.pill.failed, .pill.timeout, .pill.unauthorized, .pill.rate_limited,
.pill.model_not_found, .pill.invalid_response { color: var(--error); border-color: var(--error); }
.pill.match { color: var(--ok); border-color: var(--ok); }
.pill.mismatch { color: var(--warn); border-color: var(--warn); }

.test { border-top: 1px solid var(--border); padding: 10px 0; }
.test:first-child { border-top: none; }
.test-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.test-name { font-weight: 600; }
.test-meta { font-size: 12px; color: var(--muted); }
pre.response {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  margin: 8px 0 0;
  max-height: 220px;
  overflow: auto;
}

.chat-log { border: 1px solid var(--border); border-radius: 6px; padding: 10px; min-height: 160px; max-height: 420px; overflow: auto; margin: 10px 0; }
.msg { margin: 8px 0; }
.msg .who { font-size: 12px; color: var(--muted); }
.msg .text { white-space: pre-wrap; overflow-wrap: anywhere; }
.chat-form { display: flex; gap: 8px; }
.chat-form input { flex: 1; }

.site-footer { border-top: 1px solid var(--border); margin-top: 32px; padding: 14px 0 28px; font-size: 13px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.docs main { padding-bottom: 40px; }
.docs pre { border: 1px solid var(--border); border-radius: 6px; padding: 10px; overflow-x: auto; font-size: 13px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 22px; }
  .header-nav a { font-size: 13px; }
}