:root {
  --bg: #fafafa;
  --fg: #1f2328;
  --muted: #6b7280;
  --card: #fff;
  --line: #e5e7eb;
  --accent: #2563eb;
  --good: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --mixed-1: #65a30d;
  --mixed-2: #ea580c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0c0f; --fg: #e5e7eb; --muted: #9ca3af;
    --card: #14161a; --line: #2a2f37; --accent: #60a5fa;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC",
               "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: rgba(125,125,125,.12); padding: 1px 6px; border-radius: 4px; font-size: .9em; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--fg); }
.brand .tag {
  display: inline-block; padding: 1px 6px; margin-left: 6px;
  background: var(--accent); color: #fff; font-size: .7rem; border-radius: 4px;
  vertical-align: 2px;
}
.topbar nav { display: flex; gap: 16px; font-size: .9rem; }

.tabs {
  display: flex; gap: 4px; padding: 8px 12px 0;
  background: var(--card); border-bottom: 1px solid var(--line);
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.tabs .tab {
  padding: 10px 14px; border-radius: 8px 8px 0 0;
  color: var(--muted); white-space: nowrap;
  border: 1px solid transparent; border-bottom: 0;
  text-decoration: none;
}
.tabs .tab:hover { background: var(--bg); color: var(--fg); text-decoration: none; }
.tabs .tab.is-active {
  background: var(--bg); color: var(--fg); font-weight: 600;
  border-color: var(--line);
}

.container { max-width: 880px; margin: 0 auto; padding: 24px 16px 64px; }

.intro h1 { font-size: 1.6rem; margin: 8px 0 6px; }
.intro p { color: var(--muted); margin: 0 0 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin: 12px 0;
}
.form { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; align-items: end; }
.form .field { display: flex; flex-direction: column; gap: 4px; }
.form label { font-size: .85rem; color: var(--muted); }
.form input {
  padding: 10px 12px; font-size: 1rem; border: 1px solid var(--line);
  background: var(--bg); color: var(--fg); border-radius: 8px;
}
.form input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form button {
  grid-column: 1 / -1;
  padding: 10px 16px; font-size: 1rem; font-weight: 600;
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  cursor: pointer;
}
.form .muted { grid-column: 1 / -1; color: var(--muted); font-size: .8rem; }
@media (max-width: 640px) {
  .form { grid-template-columns: 1fr; }
}

.ad { margin: 16px 0; min-height: 90px; }
.ad-banner { text-align: center; }
.ad-mid { text-align: center; }

.results { margin-top: 8px; }
.loading {
  padding: 24px; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: 12px;
}

.notice {
  padding: 12px 14px; margin: 8px 0;
  background: rgba(217,119,6,.1); border-left: 4px solid var(--warn);
  border-radius: 6px; font-size: .92rem;
}
.notice.error { background: rgba(220,38,38,.1); border-color: var(--bad); }

.record {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 12px 0;
  display: grid;
  grid-template-columns: minmax(160px, 1fr) 2fr;
  gap: 16px;
}
@media (max-width: 640px) { .record { grid-template-columns: 1fr; } }
.record .name {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline;
}
.record .name .ch {
  font-size: 2.2rem; font-weight: 600; line-height: 1;
}
.record .name .meta { color: var(--muted); font-size: .82rem; }
.record .summary { color: var(--muted); font-size: .9rem; margin-top: 6px; }

.five { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
@media (max-width: 480px) { .five { grid-template-columns: 1fr; } }
.five .cell {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
}
.five .cell .h { font-size: .78rem; color: var(--muted); }
.five .cell .v { display: flex; gap: 6px; align-items: baseline; }
.five .cell .v .num { font-size: 1.05rem; font-weight: 600; }
.five .cell .v .label { font-size: .82rem; }
.five .cell .desc { font-size: .82rem; color: var(--muted); margin-top: 2px; }

.three { margin-top: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; }
.three .h { font-size: .78rem; color: var(--muted); }
.three .v { font-weight: 600; }

.rank-0 { color: var(--good); }
.rank-1 { color: var(--mixed-1); }
.rank-2 { color: var(--mixed-2); }
.rank-3 { color: var(--bad); }

.candidates {
  margin-top: 8px; padding: 8px 10px;
  background: rgba(22,163,74,.08); border-radius: 8px; font-size: .9rem;
}
.candidates .h { color: var(--muted); font-size: .78rem; margin-bottom: 4px; }
.candidates .ch { display: inline-block; margin: 2px 6px 2px 0; font-size: 1.2rem; }

.company-line {
  display: grid; grid-template-columns: minmax(160px, 1fr) 2fr;
  gap: 16px; padding: 14px 0; border-top: 1px solid var(--line);
}
.company-line:first-child { border-top: 0; }
@media (max-width: 640px) { .company-line { grid-template-columns: 1fr; } }
.company-line .chars { display: flex; gap: 8px; flex-wrap: wrap; }
.company-line .chars .ch { font-size: 1.6rem; font-weight: 600; }
.company-line .chars .meta { color: var(--muted); font-size: .78rem; }
.company-line .total .num { font-size: 1.6rem; font-weight: 700; }
.company-line .total .desc { color: var(--muted); font-size: .9rem; margin-top: 4px; }

.suggest {
  border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; margin: 8px 0;
}
.suggest .h { color: var(--muted); font-size: .85rem; margin-bottom: 4px; }
.suggest .ch { display: inline-block; font-size: 1.2rem; margin: 2px 6px 2px 0; }

.footer { text-align: center; color: var(--muted); padding: 24px; font-size: .85rem; }
.footer a { color: var(--muted); text-decoration: underline; }

/* 本機 dev 用，不渲染真實 adsense */
.ad-placeholder { display:flex;align-items:center;justify-content:center;
  min-height:60px;border:1px dashed var(--line);background:rgba(125,125,125,.05);
  color:var(--muted);font-size:.8rem;border-radius:6px; }
.ad-desktop, .ad-mobile { text-align:center; }