*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-soft: rgba(99,102,241,0.10);
  --accent-hover: #4f46e5;
  --success: #059669;
  --success-soft: rgba(16,185,129,0.13);
  --error: #dc2626;
  --error-soft: rgba(239,68,68,0.13);
  --warning: #d97706;
  --warning-soft: rgba(245,158,11,0.15);
  --code-bg: #f1f5f9;
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.04);
  --shadow: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --surface: #111a2e;
    --surface-2: #0f172a;
    --border: #1f2a44;
    --border-strong: #334155;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #818cf8;
    --accent-soft: rgba(129,140,248,0.16);
    --accent-hover: #a5b4fc;
    --success: #34d399;
    --success-soft: rgba(52,211,153,0.16);
    --error: #f87171;
    --error-soft: rgba(248,113,113,0.16);
    --warning: #fbbf24;
    --warning-soft: rgba(251,191,36,0.18);
    --code-bg: #0f172a;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  }
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
}
.shell { max-width: 1280px; margin: 0 auto; padding: 28px 24px 64px; }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6 55%, #ec4899);
  display: grid; place-items: center;
  color: #fff;
  box-shadow: 0 6px 16px -4px rgba(99,102,241,0.45);
}
.brand-mark svg { display: block; }
.brand-name { font-weight: 600; letter-spacing: -0.01em; font-size: 15px; }
.brand-tag {
  font-size: 10px; padding: 2px 8px; border-radius: 999px;
  background: var(--code-bg); color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
}
.brand-spacer { flex: 1; }
.brand-link { color: var(--muted); font-size: 13px; }
.brand-link:hover { color: var(--text); text-decoration: none; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
  font-family: inherit;
}
.btn:hover { border-color: var(--border-strong); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-ghost { background: transparent; }
.btn-danger {
  background: var(--error-soft);
  color: var(--error);
  border-color: rgba(220, 38, 38, 0.35);
}
.btn-danger:hover {
  background: var(--error);
  border-color: var(--error);
  color: #fff;
}
.clear-flash {
  margin-bottom: 14px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--success-soft);
  border: 1px solid rgba(5, 150, 105, 0.35);
  font-size: 13px;
  color: var(--text);
}
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; vertical-align: middle; margin-right: 7px; }
.dot.ok { background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
.dot.warn { background: var(--warning); box-shadow: 0 0 0 3px var(--warning-soft); }
.dot.err { background: var(--error); box-shadow: 0 0 0 3px var(--error-soft); }
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 600; line-height: 18px;
  text-transform: capitalize; letter-spacing: 0.01em;
  background: var(--surface-2); color: var(--muted);
  border: 1px solid var(--border);
}
.badge-ok { background: var(--success-soft); color: var(--success); border-color: transparent; }
.badge-error { background: var(--error-soft); color: var(--error); border-color: transparent; }
.badge-muted { background: var(--surface-2); color: var(--muted); }
.pill {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 6px;
  font-size: 11px; font-weight: 500; font-family: ui-monospace, monospace;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.pill-webhook { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.pill-poll { background: var(--success-soft); color: var(--success); border-color: transparent; }
.pill-void { background: var(--warning-soft); color: var(--warning); border-color: transparent; }
.chip {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: 6px;
  font-size: 11px; font-weight: 500;
  background: var(--warning-soft); color: var(--warning);
  margin: 2px 3px 2px 0;
}