:root {
  --brand-primary: #0f4c81;
  --bg: #fafafa;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e5e5e5;
  --success: #22803b;
  --warn: #b36b0a;
  --danger: #c0392b;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
.container { max-width: 760px; margin: 0 auto; padding: 40px 24px 120px; }
header { border-bottom: 3px solid var(--brand-primary); padding-bottom: 16px; margin-bottom: 28px; }
.brand { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--brand-primary); font-weight: 700; }
h1 { margin: 6px 0 0; font-size: 26px; font-weight: 600; }
.poc-tag { display: inline-block; background: #e8f0f8; color: var(--brand-primary); border: 1px solid #c5d8ed; padding: 2px 10px; border-radius: 10px; font-size: 11px; font-weight: 600; margin-left: 8px; vertical-align: middle; }
.subtitle { color: var(--muted); margin-top: 8px; font-size: 14px; }
section { background: white; border: 1px solid var(--border); border-radius: 10px; padding: 22px; margin-bottom: 18px; }
section h2 { margin: 0 0 10px; font-size: 15px; font-weight: 600; }
section p { margin: 0 0 8px; color: #333; font-size: 14px; line-height: 1.6; }
section p:last-child { margin-bottom: 0; }
.back { display: inline-block; margin-bottom: 16px; color: var(--muted); text-decoration: none; font-size: 13px; }
.back:hover { color: var(--brand-primary); }

.data-table { width: 100%; font-size: 13px; }
.data-table td { padding: 6px 8px; border-bottom: 1px solid #f0f0f0; vertical-align: top; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td:first-child { color: var(--muted); width: 38%; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; background: #f2f4f7; padding: 1px 6px; border-radius: 3px; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 10px; font-size: 11px; font-weight: 700; letter-spacing: 0.3px; }
.badge.ok { background: #d4edda; color: var(--success); }
.badge.warn { background: #fff3cd; color: var(--warn); }
.badge.danger { background: #f8d7da; color: var(--danger); }

.test-group { margin-top: 16px; }
.test-group h3 { font-size: 13px; font-weight: 700; letter-spacing: 0.5px; margin: 0 0 10px; text-transform: uppercase; }
.test-group.ok h3 { color: var(--success); }
.test-group.edge h3 { color: var(--warn); }
.test-item { border-left: 3px solid transparent; padding: 10px 12px; margin-bottom: 10px; background: #f9f9fb; border-radius: 4px; }
.test-group.ok .test-item { border-left-color: var(--success); }
.test-group.edge .test-item { border-left-color: var(--warn); }
.test-item .input { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; color: #111; background: #eee; padding: 3px 7px; border-radius: 3px; display: inline-block; }
.test-item .expected { margin-top: 6px; font-size: 13px; color: #444; line-height: 1.5; }
.test-item .expected::before { content: "↳ "; color: var(--muted); font-weight: 600; }

footer { text-align: center; color: var(--muted); font-size: 12px; margin-top: 24px; }
elevenlabs-convai { position: fixed; bottom: 24px; right: 24px; z-index: 9999; }
