:root {
  --bg: #0b1021;
  --bg-card: #12172b;
  --text: #e6e8f2;
  --muted: #aab1c7;
  --primary: #4f7df5;
  --border: #232a44;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.site-header, .site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.site-footer {
  border-top: 1px solid var(--border);
  border-bottom: none;
  color: var(--muted);
}
.brand .name { margin: 0; font-size: 24px; font-weight: 700; }
.brand .title { margin: 4px 0 0; color: var(--muted); }
.actions { display: flex; gap: 8px; }
.btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.input, .select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
}
main { max-width: 1000px; margin: 24px auto; padding: 0 16px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
}
.intro { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; }
.kv { display: grid; gap: 8px; }
.kv-item { display: flex; justify-content: space-between; font-size: 14px; }
.kv-label { color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.tag {
  background: #1d2442;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
}
.toolbox .tool-row { display: flex; gap: 8px; margin-bottom: 8px; }
.summary-output {
  margin-top: 8px;
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  white-space: pre-wrap;
}
.timeline { display: grid; gap: 12px; }
.item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}
.item-head { display: flex; justify-content: space-between; gap: 8px; }
.company { font-weight: 700; }
.period { color: var(--muted); }
.stack { color: var(--muted); font-size: 14px; }
.bullets { margin: 8px 0 0; padding-left: 18px; }
.bullets li { margin: 4px 0; }
.kv-footer { color: var(--muted); }

/* 亮色主题 */
.light {
  --bg: #f7f8fb;
  --bg-card: #ffffff;
  --text: #171a24;
  --muted: #5a6074;
  --primary: #335df5;
  --border: #e6e8f2;
}

/* 打印样式 */
@media print {
  .site-header, .site-footer, .toolbox { display: none !important; }
  body { background: white; color: #000; }
  .card { border: none; }
}