/* ============================================================
   heklala.com — Enzyme Knowledge Base (kb.html)
   独立样式表：只服务于新页面 /kb.html，不覆盖任何既有类名
   ============================================================ */

.kb-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: #fff;
  padding: 56px 0 48px;
}
.kb-hero .eyebrow {
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 14px;
}
.kb-hero h1 { font-size: 34px; line-height: 1.25; font-weight: 700; margin-bottom: 14px; color: #fff; }
.kb-sub { font-size: 15px; max-width: 760px; color: rgba(255,255,255,.88); line-height: 1.7; }
.kb-stats { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.kb-stats > div {
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px; padding: 12px 18px; min-width: 168px;
}
.kb-stats strong { display: block; font-size: 22px; color: #fff; letter-spacing: -.01em; }
.kb-stats span { font-size: 12px; color: rgba(255,255,255,.82); }

.kb-body { padding: 40px 0 64px; background: var(--bg-alt); }

.kb-searchbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; margin-bottom: 14px;
}
.kb-searchbar input[type=search] {
  flex: 1 1 380px; min-width: 260px; padding: 11px 14px; font-size: 14px;
  border: 1px solid var(--border); border-radius: 6px; color: var(--text);
  font-family: inherit;
}
.kb-searchbar input[type=search]:focus { outline: 2px solid var(--primary-2); outline-offset: 0; }
.kb-searchbar select {
  padding: 11px 12px; font-size: 13px; border: 1px solid var(--border);
  border-radius: 6px; background: #fff; color: var(--text); font-family: inherit;
}
.kb-chk { font-size: 13px; color: #555; display: flex; align-items: center; gap: 6px; white-space: nowrap; }

.kb-meta { font-size: 13px; color: var(--muted); margin: 0 0 14px; }
.kb-results { display: flex; flex-direction: column; gap: 10px; }

.kb-card {
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 18px; cursor: pointer; transition: border-color .15s, box-shadow .15s;
}
.kb-card:hover { border-color: var(--primary-2); box-shadow: 0 2px 10px rgba(31,74,107,.09); }
.kb-card h4 { font-size: 15px; color: var(--primary); margin-bottom: 3px; font-weight: 600; }
.kb-card h4 code {
  font-size: 13px; background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 7px; margin-right: 8px; color: var(--primary);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.kb-card .kb-sys { font-size: 12px; color: var(--muted); font-style: italic; margin-bottom: 6px; }
.kb-card .kb-react { font-size: 13px; color: #4a5a68; line-height: 1.55; margin-bottom: 7px; }
.kb-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.kb-tag {
  font-size: 11px; background: #eef4f8; color: var(--primary-2);
  border-radius: 100px; padding: 2px 9px; white-space: nowrap;
}
.kb-tag.pre { background: #fdf3dd; color: #8a6100; }

.kb-more { text-align: center; margin: 22px 0 8px; }

.kb-attrib {
  margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--muted); line-height: 1.75;
}

/* ---------- detail panel ---------- */
.kb-overlay { position: fixed; inset: 0; background: rgba(20,35,48,.42); z-index: 900; }
.kb-panel {
  position: fixed; top: 0; right: 0; height: 100%; width: min(680px, 94vw);
  background: #fff; z-index: 901; overflow-y: auto; padding: 26px 28px 60px;
  box-shadow: -6px 0 24px rgba(0,0,0,.14);
}
.kb-close {
  position: absolute; top: 10px; right: 16px; border: 0; background: none;
  font-size: 28px; line-height: 1; color: var(--muted); cursor: pointer;
}
.kb-close:hover { color: var(--primary); }
.kb-panel h2 { font-size: 21px; color: var(--primary); margin-bottom: 4px; }
.kb-panel .kb-ec { font-family: ui-monospace, Menlo, monospace; font-size: 13px;
  color: var(--primary-2); background: #eef4f8; border-radius: 4px; padding: 2px 8px; }
.kb-panel h5 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--primary); margin: 20px 0 8px; padding-bottom: 5px; border-bottom: 1px solid var(--border); }
.kb-panel ul { list-style: none; }
.kb-panel li { font-size: 13px; color: #4a5a68; line-height: 1.6; padding: 4px 0 4px 14px; position: relative; }
.kb-panel li::before { content: "·"; position: absolute; left: 3px; color: var(--accent); font-weight: 700; }
.kb-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 14px 0 4px; }
.kb-grid > div { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 6px; padding: 9px 12px; }
.kb-grid b { display: block; font-size: 15px; color: var(--primary); }
.kb-grid span { font-size: 11px; color: var(--muted); }
.kb-ext { display: inline-block; margin-top: 18px; font-size: 13px; }
.kb-loading { font-size: 13px; color: var(--muted); padding: 10px 0; }

@media (max-width: 720px) {
  .kb-hero h1 { font-size: 25px; }
  .kb-stats > div { min-width: 132px; padding: 10px 14px; }
  .kb-stats strong { font-size: 18px; }
  .kb-panel { padding: 20px 18px 50px; }
}