/* 水墨命书: rice paper, ink-black serif, vermilion seal, vertical-text chart. No external assets required. */
:root {
  --paper: #f3ead6;
  --paper-deep: #e8dbbd;
  --ink: #1d1b17;
  --ink-soft: #4b463b;
  --ink-faint: #8a8270;
  --rule: rgba(29, 27, 23, 0.28);
  --seal: #b3261e;
  --seal-ink: #fbf3e4;
  --wash: rgba(29, 27, 23, 0.07);
  --serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --paper: #17150f;
    --paper-deep: #211e16;
    --ink: #ebe2cb;
    --ink-soft: #c2b99f;
    --ink-faint: #8d8570;
    --rule: rgba(235, 226, 203, 0.28);
    --seal: #cf3a2e;
    --seal-ink: #17150f;
    --wash: rgba(235, 226, 203, 0.06);
  }
}
:root[data-theme='dark'] {
  --paper: #17150f; --paper-deep: #211e16; --ink: #ebe2cb; --ink-soft: #c2b99f; --ink-faint: #8d8570;
  --rule: rgba(235, 226, 203, 0.28); --seal: #cf3a2e; --seal-ink: #17150f; --wash: rgba(235, 226, 203, 0.06);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    radial-gradient(60rem 28rem at 105% -8%, var(--wash), transparent 70%),
    radial-gradient(40rem 22rem at -10% 108%, var(--wash), transparent 70%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.35  0 0 0 0 0.28  0 0 0 0 0.18  0 0 0 0.09 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
}
a { color: var(--seal); text-underline-offset: 0.25em; }
a:focus-visible, summary:focus-visible, button:focus-visible, select:focus-visible { outline: 2px solid var(--seal); outline-offset: 3px; }

.page { max-width: 62rem; margin: 0 auto; padding: 1.5rem 16px 4rem; }
.frame { border: 1px solid var(--ink); outline: 1px solid var(--rule); outline-offset: 5px; padding: clamp(1rem, 4vw, 2.5rem); margin: 8px 6px; }

/* masthead */
.mast { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; border-bottom: 1px solid var(--rule); padding-bottom: 0.6rem; font-size: 0.9rem; color: var(--ink-soft); }
.mast nav a { margin-left: 1.2rem; color: var(--ink-soft); text-decoration: none; border-bottom: 1px solid transparent; }
.mast nav a:hover, .mast nav a[aria-current='page'] { border-bottom-color: var(--seal); color: var(--ink); }

/* hero with vertical title */
.hero { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; padding: 2.5rem 0 1.5rem; }
.hero .lede { max-width: 30rem; }
.hero h1 { font-size: clamp(1.4rem, 3.4vw, 1.9rem); font-weight: 600; margin: 0 0 1rem; letter-spacing: 0.12em; line-height: 1.6; }
.vtitle { writing-mode: vertical-rl; text-orientation: upright; font-size: clamp(2.6rem, 10vw, 5.2rem); font-weight: 700; letter-spacing: 0.35em; line-height: 1.1; margin: 0; padding-top: 0.2rem; }
.seal {
  display: inline-grid; place-items: center; width: 3.4rem; height: 3.4rem; background: var(--seal); color: var(--seal-ink);
  font-weight: 700; font-size: 1.15rem; line-height: 1.05; letter-spacing: 0; text-align: center; transform: rotate(-3deg);
  border-radius: 3px; box-shadow: inset 0 0 0 2px var(--seal), inset 0 0 0 3px var(--seal-ink); margin-top: 1rem; writing-mode: vertical-rl; text-orientation: upright;
}
.seal.small { width: 2rem; height: 2rem; font-size: 0.7rem; margin: 0; }

.first-line { border-left: 3px solid var(--seal); padding: 0.2rem 0 0.2rem 1rem; margin: 1.2rem 0; font-size: 1.1rem; }
.btn { display: inline-block; padding: 0.55rem 1.4rem; border: 1px solid var(--ink); color: var(--ink); text-decoration: none; background: transparent; font: inherit; letter-spacing: 0.2em; cursor: pointer; }
.btn:hover { background: var(--ink); color: var(--paper); }

h2 { font-size: 1.2rem; letter-spacing: 0.25em; margin: 2.6rem 0 0.8rem; padding-bottom: 0.3rem; border-bottom: 1px solid var(--rule); }
h2::before { content: ''; display: inline-block; width: 0.55em; height: 0.55em; background: var(--seal); margin-right: 0.6em; vertical-align: 0.05em; }
h3 { font-size: 1.02rem; letter-spacing: 0.15em; margin: 1.4rem 0 0.4rem; }
.muted { color: var(--ink-soft); }
.small { font-size: 0.88rem; }

/* three-tier disclaimer */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--ink); margin: 1rem 0; }
.tier { padding: 1rem 1.1rem; border-right: 1px solid var(--rule); }
.tier:last-child { border-right: 0; }
.tier b { display: block; letter-spacing: 0.3em; margin-bottom: 0.3rem; }
.tier .tag { font-size: 0.8rem; color: var(--seal); letter-spacing: 0.1em; }
.tier.no b { text-decoration: line-through; text-decoration-color: var(--seal); text-decoration-thickness: 2px; }

/* chart */
.chart-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.8rem; }
.badge { display: inline-block; border: 1px solid var(--seal); color: var(--seal); padding: 0 0.6rem; font-size: 0.8rem; letter-spacing: 0.15em; }
.pillars { display: flex; flex-direction: row-reverse; justify-content: center; gap: clamp(0.4rem, 2.5vw, 1.4rem); margin: 1.5rem 0 0.5rem; padding: 0; list-style: none; }
.pillar { flex: 0 1 8rem; min-width: 0; text-align: center; border: 1px solid var(--rule); padding: 0.6rem 0.3rem 0.8rem; background: var(--wash); }
.pillar .name { font-size: 0.85rem; color: var(--ink-soft); letter-spacing: 0.3em; }
.pillar .god { font-size: 0.82rem; color: var(--seal); min-height: 1.9em; }
.pillar .gz { writing-mode: vertical-rl; text-orientation: upright; font-size: clamp(1.9rem, 8vw, 3rem); font-weight: 700; line-height: 1.15; letter-spacing: 0.15em; margin: 0.3rem auto; }
.pillar.dm { border-color: var(--seal); box-shadow: inset 0 0 0 1px var(--seal); }
.pillar.dm .name::after { content: ' 日主'; color: var(--seal); letter-spacing: 0; }
.pillar .hid { font-size: 0.8rem; color: var(--ink-soft); letter-spacing: 0.05em; line-height: 1.5; }
.pillar .nayin { font-size: 0.78rem; color: var(--ink-faint); margin-top: 0.4rem; }
.pillar.unknown .gz { font-size: 1.5rem; color: var(--ink-faint); letter-spacing: 0.3em; }
.reading-order { text-align: center; font-size: 0.8rem; color: var(--ink-faint); margin: 0 0 1rem; }

.counts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.5rem; text-align: center; margin: 0.8rem 0; }
.counts .c { border-bottom: 1px solid var(--rule); padding-bottom: 0.4rem; }
.counts .bar { height: 3.2rem; display: flex; align-items: flex-end; justify-content: center; }
.counts .bar i { display: block; width: 0.8rem; background: var(--ink); min-height: 1px; }
.counts .n { font-weight: 700; }
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 0.6rem; }
.dayun { display: flex; flex-direction: row-reverse; justify-content: flex-start; gap: 0.5rem; margin: 0.6rem 0; padding: 0; list-style: none; min-width: max-content; }
.dayun li { width: 4.6rem; text-align: center; border: 1px solid var(--rule); padding: 0.5rem 0.2rem; background: var(--wash); }
.dayun .age { font-size: 0.78rem; color: var(--ink-soft); line-height: 1.4; }
.dayun .gz { writing-mode: vertical-rl; text-orientation: upright; font-size: 1.5rem; font-weight: 700; letter-spacing: 0.1em; margin: 0.2rem auto; line-height: 1.1; }
.dayun .god { font-size: 0.78rem; color: var(--seal); }
.liunian { display: flex; flex-wrap: wrap; gap: 0.6rem 1.6rem; padding: 0; list-style: none; }
.liunian li b { font-size: 1.15rem; margin-right: 0.4em; }

details.how { margin: 0.5rem 0 1rem; font-size: 0.9rem; color: var(--ink-soft); }
details.how summary { cursor: pointer; list-style: none; display: inline-block; border-bottom: 1px dotted var(--seal); color: var(--seal); letter-spacing: 0.15em; }
details.how summary::-webkit-details-marker { display: none; }
details.how[open] summary { margin-bottom: 0.4rem; }
details.how p { margin: 0.2rem 0; }
code, .mono { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; font-size: 0.82em; letter-spacing: 0; }

.notice { border: 1px solid var(--seal); padding: 0.8rem 1rem; margin: 1rem 0; background: var(--wash); }
.notice b { color: var(--seal); letter-spacing: 0.15em; }
.candidates { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.cand { border-top: 2px solid var(--ink); padding-top: 0.6rem; min-width: 0; }
.cand h3 { margin-top: 0; }

.params { font-size: 0.82rem; color: var(--ink-faint); border-top: 1px solid var(--rule); margin-top: 2.5rem; padding-top: 0.8rem; }
.params dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.1rem 1rem; margin: 0.4rem 0; }
.params dt { color: var(--ink-soft); }
.params dd { margin: 0; word-break: break-all; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); font-size: 0.85rem; color: var(--ink-soft); display: flex; gap: 1rem; align-items: center; }

select { font: inherit; color: var(--ink); background: var(--paper); border: 1px solid var(--ink); padding: 0.3rem 0.6rem; max-width: 100%; }
label { letter-spacing: 0.1em; }

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .frame { margin: 4px 0; outline-offset: 3px; }
  .hero { grid-template-columns: 1fr; }
  .vtitle { writing-mode: horizontal-tb; text-orientation: mixed; letter-spacing: 0.4em; font-size: 3rem; order: -1; }
  .tiers { grid-template-columns: 1fr; }
  .tier { border-right: 0; border-bottom: 1px solid var(--rule); }
  .tier:last-child { border-bottom: 0; }
  .candidates { grid-template-columns: 1fr; }
  .mast nav a { margin-left: 0.7rem; }
}
@media print { body { background: #fff; color: #000; } .mast nav, .btn { display: none; } }