*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial;
  line-height: 1.55;
  color: #0f172a;
  background: #ffffff;
}
:root {
  --bg: #ffffff;
  --soft: #f8fafc;
  --border: #e5e7eb;
  --brand: #0ea5e9;
  --ok: #10b981;
  --warn: #f59e0b;
  --err: #ef4444;
  --txt-muted: #475569;
  --shadow: 0px 12px 28px rgba(2, 6, 23, 0.08);
  --radius: 16px;
}
.container { max-width: 1120px; margin: 0 auto; padding: 20px; }
header {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 18px 18px;
  margin-bottom: 18px;
}
.title { font-weight: 900; font-size: 22px; display: flex; align-items: center; gap: 10px; }
.subtitle { color: var(--txt-muted); font-size: 13px; margin-top: 4px; }
.layout { display: grid; grid-template-columns: 1fr 360px; gap: 16px; }
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: clip;
}
.panel .head { padding: 12px 14px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.panel .body { padding: 14px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 840px) { .grid { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: 6px; }
.label { font-size: 12px; color: #111827; font-weight: 700; }
.input, .select {
  width: 100%; padding: 11px 12px; border-radius: 12px; border: 1px solid var(--border);
  background: #fff; font-size: 14px;
}
.input:focus, .select:focus { outline: none; box-shadow: 0 0 0 3px rgba(14, 165, 233, .25); border-color: #bae6fd; }

.row { display: flex; gap: 12px; align-items: center; }
.row .field { flex: 1; }
.switch { display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); background: #fff; padding: 10px 12px; border-radius: 12px; }
.switch input { width: 18px; height: 18px; }

.actions { display: flex; gap: 10px; justify-content: flex-end; }
.btn {
  appearance: none; border: none; cursor: pointer; padding: 12px 16px; border-radius: 14px;
  font-weight: 800; font-size: 15px; transition: transform .06s ease, box-shadow .2s ease;
}
.btn:focus { outline: none; box-shadow: 0 0 0 3px rgba(14, 165, 233, .25); }
.btn.primary {
  background: linear-gradient(135deg, #0284c7, var(--brand)); color: #fff;
  box-shadow: 0 16px 30px rgba(14, 165, 233, 0.28);
}
.btn.primary:hover { transform: translateY(-1px); }
.btn.ghost { background: #fff; color: #0f172a; border: 1px solid var(--border); }

.outcome {
  border: 2px dashed var(--border); border-radius: 16px; padding: 12px;
  background: var(--soft);
}
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; border: 1px solid; }
.pill.ok { color: #065f46; background: #ecfdf5; border-color: #bbf7d0; }
.pill.err { color: #7f1d1d; background: #fee2e2; border-color: #fecaca; }
.pill.sec { color: #111827; background: #eef2ff; border-color: #c7d2fe; }

.notearea { width: 100%; min-height: 140px; border-radius: 12px; border: 1px solid var(--border); padding: 12px; background: #fff; white-space: pre-wrap; }
.muted { color: var(--txt-muted); font-size: 12px; }

.examples { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 12px; }
details { border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; background: #fff; }
summary { font-weight: 800; cursor: pointer; }
pre { background: #0b1020; color: #e5e7eb; padding: 12px; border-radius: 10px; overflow: auto; }

.toastbar { position: fixed; bottom: 18px; right: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { padding: 10px 12px; border-radius: 12px; color: #fff; box-shadow: 0 10px 22px rgba(2, 6, 23, 0.18); opacity: 0; transform: translateY(6px); animation: toastIn .22s ease forwards; }
.toast.ok { background: #10b981; }
.toast.err { background: #ef4444; }
.toast.info { background: #0ea5e9; }
@keyframes toastIn { to { opacity: 1; transform: translateY(0); } }