:root {
  --bg: #efe7dc;
  --paper: #fbf7f1;
  --ink: #241c17;
  --muted: #6f645b;
  --line: #e3d8cb;
  --accent: #9a3412;
  --accent-ink: #fffaf6;
  --ok: #3f6212;
  --ok-bg: #eef6df;
  --warn: #92400e;
  --warn-bg: #fbf0dc;
  --bad: #9f1239;
  --bad-bg: #fde8ee;
  --info: #1e3a5f;
  --info-bg: #e7eef6;
  --shadow: 0 1px 0 rgba(36, 28, 23, 0.04);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
}
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
#app { min-height: 100%; }

.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.nav {
  background: #2a211c;
  color: #f6efe7;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.brand {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 0 8px;
}
.mark {
  width: 12px;
  height: 12px;
  margin-top: 6px;
  background: #e11d2e;
  border-radius: 2px;
  flex: none;
}
.brand b { display: block; font-size: 16px; letter-spacing: 0.01em; }
.brand span { display: block; color: #cbbbae; font-size: 12px; margin-top: 2px; }
.nav button.nav-item {
  width: 100%;
  text-align: left;
  background: transparent;
  color: #f6efe7;
  border: 0;
  border-radius: 8px;
  padding: 10px 12px;
}
.nav button.nav-item.active,
.nav button.nav-item:hover { background: rgba(255, 250, 246, 0.08); }
.guide {
  margin-top: auto;
  background: rgba(255, 250, 246, 0.06);
  border-radius: 12px;
  padding: 12px;
}
.guide h2 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #cbbbae;
}
.guide button {
  width: 100%;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  text-align: left;
  background: transparent;
  color: #f6efe7;
  border: 0;
  padding: 6px 2px;
  font-size: 13px;
}
.tick {
  width: 16px;
  height: 16px;
  border-radius: 99px;
  border: 1px solid #cbbbae;
  display: inline-grid;
  place-items: center;
  font-size: 11px;
  flex: none;
  margin-top: 2px;
}
.tick.on { background: #d9f99d; color: #1a2e05; border-color: #d9f99d; }

.main { padding: 22px 28px 48px; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 18px;
}
.crumb { color: var(--muted); font-size: 13px; margin: 0 0 4px; }
h1 { font-size: 28px; line-height: 1.2; margin: 0; font-weight: 650; }
.sub { margin: 6px 0 0; color: var(--muted); }

.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.btn {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 8px 12px;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { background: var(--bad); color: white; border-color: var(--bad); }
.btn:disabled, .btn.blocked {
  background: #efe8e0;
  color: #8a7d73;
  border-color: #e5dcd2;
}

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card, .panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.card { padding: 16px; text-align: left; width: 100%; }
.card h3, .panel h3 { margin: 8px 0; font-size: 18px; }
.card p, .panel p { margin: 0; color: var(--muted); }
.meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.pill {
  font-size: 12px;
  border-radius: 99px;
  padding: 3px 8px;
  background: #f3ece4;
  color: var(--ink);
}
.pill.gray { background: var(--warn-bg); color: var(--warn); }
.pill.stable, .pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.info, .pill.pending, .pill.draft { background: var(--info-bg); color: var(--info); }

.layout { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 14px; }
.panel { padding: 16px 18px 18px; }
.panel + .panel { margin-top: 14px; }
.stack { display: flex; flex-direction: column; gap: 14px; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
.better { color: var(--ok); }
.worse { color: var(--bad); }

.callout {
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--warn-bg);
  color: #7c2d12;
  margin: 0 0 12px;
}
.callout.bad { background: var(--bad-bg); color: var(--bad); }
.callout.ok { background: var(--ok-bg); color: #365314; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input[type="text"], textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  background: white;
  border-radius: 8px;
  padding: 8px 10px;
}
.field { margin-bottom: 10px; }
.samples { margin: 8px 0 0; padding-left: 18px; }
.samples li { margin: 6px 0; }
textarea { min-height: 72px; resize: vertical; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.slider-row { display: flex; justify-content: space-between; align-items: baseline; }
.slider-row strong { font-size: 22px; font-variant-numeric: tabular-nums; }

.templates { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.template {
  text-align: left;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: white;
  padding: 12px;
}
.template.on { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }

.log {
  width: 100%;
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 12px 4px;
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 8px;
}
.log b { font-weight: 650; }
.kv { display: grid; grid-template-columns: 88px 1fr; gap: 6px 10px; margin-top: 8px; }
.kv span { color: var(--muted); }

.output {
  white-space: pre-wrap;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 10px;
  min-height: 72px;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fffaf6;
  padding: 10px 14px;
  border-radius: 999px;
  max-width: min(560px, calc(100% - 32px));
}
.error { color: var(--bad); font-size: 13px; margin: 6px 0 0; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 8px 0; border-bottom: 1px solid var(--line); }

@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .nav { position: sticky; top: 0; z-index: 2; }
  .guide { display: none; }
  .grid, .layout, .templates, .log { grid-template-columns: 1fr; }
  .main { padding: 16px; }
}