:root {
  --brand: #6C6CE5;
  --brand-dark: #4f4fc4;
  --ink: #1f2329;
  --ink-soft: #5b626b;
  --paper: #f6f5f1;
  --card: #ffffff;
  --line: #e7e4dc;
  --gold: #b8893b;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

/* 顶栏 */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: var(--card);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { width: 38px; height: 38px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 18px; font-weight: 700; color: var(--ink); }
.brand-name em { font-style: normal; color: var(--brand); font-size: 13px; margin-left: 2px; }
.brand-sub { font-size: 11px; color: var(--ink-soft); }
.nav-link { color: var(--brand); text-decoration: none; font-size: 14px; }

/* Hero */
.hero { text-align: center; padding: 28px 16px 12px; }
.hero h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: 1px; }
.tagline { color: var(--ink-soft); font-size: 13px; margin: 0 0 18px; }
.search-box {
  max-width: 560px; margin: 0 auto; background: var(--card);
  border: 1px solid var(--line); border-radius: 14px; padding: 10px;
  box-shadow: 0 6px 20px rgba(31,35,41,.06);
}
#q {
  width: 100%; border: none; outline: none; font-size: 16px;
  padding: 10px 8px; background: transparent; color: var(--ink);
}
.filters { display: flex; gap: 8px; justify-content: center; margin: 6px 0; }
.filters button {
  border: 1px solid var(--line); background: var(--paper); color: var(--ink-soft);
  border-radius: 999px; padding: 5px 14px; font-size: 13px; cursor: pointer;
}
.filters button.active { background: var(--brand); color: #fff; border-color: var(--brand); }
.search-btn {
  width: 100%; margin-top: 6px; border: none; background: var(--brand);
  color: #fff; font-size: 16px; padding: 11px; border-radius: 10px; cursor: pointer;
}
.search-btn:active { background: var(--brand-dark); }
.hint { font-size: 12px; color: var(--ink-soft); margin-top: 10px; }

/* 结果 */
.results { max-width: 760px; margin: 16px auto 40px; padding: 0 16px; }
.result-count { color: var(--ink-soft); font-size: 13px; margin: 8px 0 14px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; margin-bottom: 14px; box-shadow: 0 2px 10px rgba(31,35,41,.04);
}
.card-head { display: flex; align-items: baseline; gap: 10px; cursor: pointer; }
.card-title { font-size: 19px; font-weight: 700; }
.type-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 6px; color: #fff;
  background: var(--brand);
}
.type-tag.herb { background: #2f9e7e; }
.type-tag.formula { background: #c8743b; }
.type-tag.doctor { background: #7a5bd0; }
.aliases { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }
.summary { color: var(--ink-soft); font-size: 13px; margin-top: 8px; }

.source {
  border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 10px;
}
.source-origin {
  font-size: 13px; color: var(--brand-dark); font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}
.source-origin .badge {
  font-size: 10px; background: #eef0ff; color: var(--brand); padding: 1px 6px; border-radius: 4px;
}
.source-raw {
  font-size: 14px; color: var(--ink); margin-top: 6px;
  background: #faf9f6; border-left: 3px solid var(--gold);
  padding: 8px 10px; border-radius: 0 6px 6px 0; white-space: pre-wrap;
}
.source-meta { font-size: 12px; color: var(--ink-soft); margin-top: 6px; }
.comps { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
.comp {
  font-size: 12px; padding: 3px 8px; border-radius: 6px; background: var(--paper);
  border: 1px solid var(--line);
}
.comp .role { font-weight: 700; margin-right: 4px; }
.comp .role.jun { color: #c0392b; }
.comp .role.chen { color: #c8743b; }
.comp .role.zuo { color: #2f9e7e; }
.comp .role.shi { color: #7a5bd0; }

.empty { text-align: center; color: var(--ink-soft); padding: 40px 0; }
.loading { text-align: center; color: var(--brand); padding: 20px 0; }

.footer { text-align: center; padding: 20px 16px 30px; border-top: 1px solid var(--line); }
#disclaimer { font-size: 12px; color: var(--ink-soft); max-width: 640px; margin: 0 auto 8px; }
.copyright { font-size:12px; color: var(--ink-soft); }