:root {
  --bg: #f7f8f7;
  --ink: #16211f;
  --muted: #55635f;
  --card: #ffffff;
  --line: #d8dfdc;
  --accent: #0f6b57;
  --accent-soft: #e3f1ec;
  --warn: #8a5a00;
  --warn-soft: #fdf3dc;
  --bad: #8a2b2b;
  --bad-soft: #fbeaea;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { color-scheme: light; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, "Noto Sans TC", "Microsoft JhengHei", "PingFang HK", sans-serif;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }

.site-header { background: var(--card); border-bottom: 1px solid var(--line); }
.header-row { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; padding: 20px 16px; }
h1 { font-size: 26px; margin: 0 0 4px; letter-spacing: -0.4px; }
.tagline { margin: 0; color: var(--muted); font-size: 14px; }
.site-nav { display: flex; gap: 12px; align-items: center; font-size: 14px; flex-wrap: wrap; }
.site-nav a { color: var(--accent); }

main { padding: 24px 16px 48px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
section:first-of-type h2 { margin-top: 8px; }
.lede, .muted { color: var(--muted); }
.lede { margin-top: 0; }

.presets { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 20px; }
.chip {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  border-radius: 999px; padding: 8px 14px; font-size: 14px; cursor: pointer;
}
.chip:hover, .chip:focus-visible { border-color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }

fieldset {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); margin: 0 0 16px; padding: 16px;
}
legend { font-weight: 600; padding: 0 6px; }

.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; }
@media (max-width: 560px) { .grid2 { grid-template-columns: 1fr; } }

label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
input, select {
  font: inherit; color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; min-height: 42px;
}
input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
.checkline { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); }
.checkline input { min-height: 0; width: 18px; height: 18px; }

.members { display: grid; gap: 12px; margin-bottom: 12px; }
.member { padding: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcfb; }
.member-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }

button.secondary, button.ghost {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 9px 14px; min-height: 42px;
  background: var(--card); border: 1px solid var(--line); color: var(--ink);
}
button.secondary:hover { border-color: var(--accent); }
button.ghost { min-height: 36px; padding: 6px 12px; }
.remove { color: var(--bad); border-color: #e6c9c9; }

.privacy {
  background: var(--accent-soft); border-radius: var(--radius);
  padding: 10px 14px; font-size: 14px; color: #0b4a3d;
}

#results { margin-top: 24px; }
.result-group { margin: 18px 0; }
.result-group h3 { font-size: 16px; margin: 0 0 8px; display: flex; gap: 8px; align-items: center; }
.badge { font-size: 12px; font-weight: 600; border-radius: 999px; padding: 2px 10px; }
.badge.qualified { background: var(--accent-soft); color: #0b4a3d; }
.badge.possibly { background: var(--warn-soft); color: var(--warn); }
.badge.unknown { background: #eef0ef; color: #44504d; }
.badge.not_qualified { background: var(--bad-soft); color: var(--bad); }
.badge.amount { background: var(--warn-soft); color: var(--warn); }

.scheme {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 10px;
}
.scheme-head { display: flex; gap: 10px; justify-content: space-between; align-items: baseline; flex-wrap: wrap; }
.scheme h4 { margin: 0; font-size: 17px; }
.scheme .amount { font-weight: 600; color: var(--accent); white-space: nowrap; }
.scheme .why { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.scheme details { margin-top: 10px; }
.scheme summary { cursor: pointer; color: var(--accent); font-size: 14px; }
.scheme ul { margin: 8px 0 0; padding-left: 20px; font-size: 14px; }
.scheme .quote { background: #f6f8f7; border-left: 3px solid var(--line); padding: 8px 12px; margin: 8px 0; font-size: 14px; }
.scheme .meta { color: var(--muted); font-size: 13px; }
.scheme a { color: var(--accent); }

.fingerprint { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--muted); word-break: break-all; }

.site-footer { border-top: 1px solid var(--line); background: var(--card); padding: 20px 0; color: var(--muted); font-size: 13px; }
.site-footer p { margin: 4px 0; }

.inline-link { color: var(--accent); }

/* Static pages */
.page-body { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
.page-body h1 { font-size: 24px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f2f5f4; }

@media print {
  .site-header, .presets, .site-footer, button { display: none !important; }
  body { background: #fff; }
  .scheme { break-inside: avoid; }
}

body.large-text { font-size: 19px; }