/* 温润书法: soft cream paper, jade green ink, brush-calligraphy headings. */
:root {
  --paper: #f7f1e1;
  --paper-deep: #efe6cf;
  --card: #fffaf0;
  --ink: #2a3530;
  --muted: #5b685f;
  --jade: #2f6f5e;
  --jade-soft: #dcebe2;
  --jade-line: #b9d3c6;
  --seal: #b4513a;
  --warn: #8a5a12;
  --warn-bg: #f6e8c6;
  --shadow: 0 1px 0 rgba(47, 111, 94, .08), 0 10px 30px -18px rgba(47, 111, 94, .45);
  --brush: "Ma Shan Zheng", "STKaiti", "Kaiti SC", "KaiTi", "BiauKai", serif;
  --body: "Noto Serif SC", "Songti SC", "STSong", "Source Han Serif SC", "SimSun", serif;
  --radius: 18px;
}
:root[data-theme="dark"] { color-scheme: dark; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14201b; --paper-deep: #1a2a24; --card: #1d2d27; --ink: #efe8d4; --muted: #a9b8ae;
    --jade: #86c4ad; --jade-soft: #223a31; --jade-line: #35574a; --seal: #e08a72;
    --warn: #e9c46a; --warn-bg: #3a3320; --shadow: 0 10px 30px -18px rgba(0, 0, 0, .7);
  }
}
:root[data-theme="dark"] {
  --paper: #14201b; --paper-deep: #1a2a24; --card: #1d2d27; --ink: #efe8d4; --muted: #a9b8ae;
  --jade: #86c4ad; --jade-soft: #223a31; --jade-line: #35574a; --seal: #e08a72;
  --warn: #e9c46a; --warn-bg: #3a3320; --shadow: 0 10px 30px -18px rgba(0, 0, 0, .7);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 16px/1.75 var(--body);
  background-image:
    radial-gradient(1200px 500px at 90% -10%, var(--jade-soft), transparent 60%),
    radial-gradient(900px 400px at -10% 30%, var(--paper-deep), transparent 60%);
  background-repeat: no-repeat;
}
.skip { position: absolute; left: -999px; top: 0; background: var(--jade); color: var(--paper); padding: .5rem 1rem; }
.skip:focus { left: 0; z-index: 10; }

.brush { font-family: var(--brush); font-weight: 400; letter-spacing: .04em; }
main, .hero, .foot { width: min(100% - 32px, 880px); margin-inline: auto; }

.hero { position: relative; padding: 56px 0 24px; text-align: left; overflow: hidden; }
.hero-ink {
  position: absolute; right: -40px; top: 12px; width: 240px; height: 240px; opacity: .55; pointer-events: none;
  background:
    radial-gradient(closest-side, var(--jade-soft), transparent 70%),
    radial-gradient(closest-side at 30% 70%, var(--jade-line), transparent 65%);
  filter: blur(6px); border-radius: 50%;
}
.eyebrow { margin: 0 0 4px; color: var(--jade); letter-spacing: .3em; font-size: .9rem; }
h1.brush { margin: 0; font-size: clamp(3.2rem, 14vw, 5.6rem); line-height: 1.1; color: var(--jade); position: relative; }
.seal {
  display: inline-grid; place-items: center; vertical-align: middle; margin-left: .25em;
  width: 1.5em; height: 1.5em; font-size: .24em; line-height: 1; font-family: var(--brush);
  background: var(--seal); color: var(--paper); border-radius: .25em; transform: rotate(-4deg); letter-spacing: 0;
}
.lede { max-width: 34em; margin: 12px 0 0; color: var(--muted); font-size: 1.05rem; position: relative; }

.notice {
  margin: 12px 0 20px; padding: 12px 16px; border-radius: 12px; font-size: .92rem;
  background: var(--warn-bg); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent);
}

.panel {
  background: var(--card); border: 1px solid var(--jade-line); border-radius: var(--radius);
  padding: 22px 20px 24px; margin: 0 0 24px; box-shadow: var(--shadow);
}
.panel.soft { background: transparent; box-shadow: none; border-style: dashed; }
.h2 { margin: 0 0 14px; font-size: 1.9rem; color: var(--jade); line-height: 1.3; }

.grid { display: grid; gap: 18px 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } .wide { grid-column: 1 / -1; } }
.field { border: 0; margin: 0; padding: 0; min-width: 0; }
label, legend { display: block; font-weight: 600; margin-bottom: 6px; padding: 0; }
.check { display: flex; gap: 10px; font-weight: 400; align-items: flex-start; cursor: pointer; }
.check input { margin-top: .5em; accent-color: var(--jade); }
.hint { margin: 6px 0 0; font-size: .85rem; color: var(--muted); line-height: 1.5; }

input[type="text"], input:not([type]), select {
  width: 100%; padding: 11px 14px; font: inherit; color: var(--ink);
  background: var(--paper); border: 1.5px solid var(--jade-line); border-radius: 12px;
}
input:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible, .chip input:focus-visible + span, .seg input:focus-visible + span {
  outline: 3px solid var(--jade); outline-offset: 2px;
}
.seg { display: inline-flex; border: 1.5px solid var(--jade-line); border-radius: 999px; overflow: hidden; background: var(--paper); }
.seg label { margin: 0; font-weight: 400; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 8px 20px; cursor: pointer; }
.seg input:checked + span { background: var(--jade); color: var(--paper); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chips-label { width: 100%; font-size: .9rem; color: var(--muted); }
.chip { margin: 0; font-weight: 400; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-block; padding: 6px 16px; border-radius: 999px; cursor: pointer; border: 1.5px solid var(--jade-line); background: var(--paper); }
.chip input:checked + span { background: var(--jade-soft); border-color: var(--jade); color: var(--jade); font-weight: 600; }

.tones { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; }
.tones label { font-weight: 400; font-size: .9rem; }
.reading-choice { margin-top: 8px; padding: 10px 12px; border-radius: 10px; background: var(--jade-soft); font-size: .92rem; }
.reading-choice label { display: inline-flex; gap: 6px; margin-right: 14px; font-weight: 400; }

.actions { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
button { font: inherit; cursor: pointer; border-radius: 999px; }
button.primary {
  padding: 12px 34px; border: 0; color: var(--paper); background: var(--jade); font-size: 1.1rem; letter-spacing: .15em;
  box-shadow: 0 8px 20px -10px var(--jade);
}
button.primary:hover { filter: brightness(1.08); }
button.ghost { padding: 9px 22px; background: transparent; color: var(--jade); border: 1.5px solid var(--jade); }
button.ghost:hover { background: var(--jade-soft); }
.error { margin: 0; color: var(--seal); font-weight: 600; }

.results { margin: 8px 0 28px; scroll-margin-top: 12px; }
.results:focus { outline: none; }
.results-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; }
.meta { margin: 0; color: var(--muted); font-size: .88rem; }
.cards { display: grid; gap: 18px; }

.cand {
  position: relative; background: var(--card); border: 1px solid var(--jade-line); border-radius: var(--radius);
  padding: 22px 20px 18px; box-shadow: var(--shadow); overflow: hidden;
}
.cand::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 5px;
  background: linear-gradient(90deg, var(--jade), var(--jade-line) 70%, transparent);
}
.cand-top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 8px 18px; }
.cand-name { margin: 0; font-family: var(--brush); font-size: clamp(3rem, 12vw, 4.6rem); line-height: 1.1; color: var(--ink); letter-spacing: .06em; }
.cand-name .sn { color: var(--jade); }
.cand-py { margin: 0; font-size: 1.15rem; letter-spacing: .08em; color: var(--jade); }
.tone-chip { display: inline-block; margin-left: 10px; padding: 0 10px; font-size: .8rem; letter-spacing: 0; border-radius: 999px; background: var(--jade-soft); color: var(--jade); }
.copy { padding: 6px 16px; font-size: .88rem; background: transparent; color: var(--jade); border: 1.5px solid var(--jade-line); }
.copy:hover { background: var(--jade-soft); }

.chars { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.chars li { display: grid; grid-template-columns: 3.2rem 1fr; gap: 12px; align-items: baseline; padding: 8px 0; border-top: 1px dashed var(--jade-line); }
.chars .g { font-family: var(--brush); font-size: 2rem; line-height: 1; color: var(--jade); text-align: center; }
.chars .py { font-size: .85rem; color: var(--muted); letter-spacing: .06em; }
.chars .mean { display: block; }
.chars .sub { font-size: .8rem; color: var(--muted); }
.tag { display: inline-block; margin: 2px 6px 0 0; padding: 0 8px; font-size: .75rem; border-radius: 6px; border: 1px solid var(--jade-line); color: var(--muted); }
.tag.unk { border-style: dashed; }

.origin { margin: 12px 0 0; padding: 10px 14px; border-radius: 12px; background: var(--jade-soft); font-size: .95rem; }
.origin.none { background: transparent; border: 1px dashed var(--jade-line); color: var(--muted); }
.origin q { quotes: "「" "」"; font-family: var(--brush); font-size: 1.25rem; color: var(--jade); }
.origin small { display: block; color: var(--muted); }

.trad-box { margin: 12px 0 0; padding: 10px 14px; border: 1px dashed var(--jade-line); border-radius: 12px; font-size: .9rem; }
.trad-box h4 { margin: 0 0 4px; font-size: .9rem; color: var(--muted); font-weight: 600; }
.grids { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.grids span b { font-weight: 600; color: var(--jade); }

details.checks { margin-top: 12px; font-size: .9rem; }
details.checks summary { cursor: pointer; color: var(--jade); }
details.checks ul { margin: 8px 0 0; padding-left: 0; list-style: none; display: grid; gap: 4px; }
details.checks li { padding-left: 1.6em; position: relative; }
details.checks li::before { position: absolute; left: 0; content: "✓"; color: var(--jade); }
details.checks li.warn::before { content: "!"; color: var(--warn); font-weight: 700; }
details.checks li.info::before { content: "·"; color: var(--muted); font-weight: 700; }
details.checks li.warn { color: var(--warn); }

.empty { padding: 28px; text-align: center; color: var(--muted); border: 1px dashed var(--jade-line); border-radius: var(--radius); }
.how { margin: 0; padding-left: 1.2em; color: var(--muted); }
.how li { margin: 6px 0; }
.how b { color: var(--ink); }

.foot { padding: 8px 0 56px; color: var(--muted); font-size: .88rem; }
.disclaimer { padding: 14px 16px; border-left: 4px solid var(--seal); background: var(--card); border-radius: 0 12px 12px 0; margin: 0 0 10px; color: var(--ink); }
.small { margin: 0; }

@media print {
  body { background: #fff; color: #000; }
  .hero-ink, form, .panel, .more, .copy, .notice { display: none !important; }
  .cand { box-shadow: none; break-inside: avoid; }
}
@media (prefers-reduced-motion: no-preference) {
  .cand { animation: rise .5s ease both; }
  @keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}