:root {
  --ink: #1b1612;
  --paper: #f3ead8;
  --sheet: #f7f0e2;
  --line: #d4c4a8;
  --cinnabar: #8f2a22;
  --gold: #a07c38;
  --mute: #7c6d5c;
  --soft: rgba(255, 252, 246, 0.62);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: #16110e;
  color: var(--ink);
  font-family: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
}

.veil {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 480px at 50% -8%, #3a2c22 0%, transparent 58%),
    repeating-linear-gradient(180deg, transparent, transparent 31px, rgba(255,255,255,0.012) 32px);
  pointer-events: none;
}

.sheet {
  position: relative;
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 4.5rem;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #faf4e8 0%, var(--paper) 36%);
  box-shadow: 0 0 0 1px rgba(160, 124, 56, 0.12);
}

header {
  margin-bottom: 1.8rem;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-size: 0.66rem;
  color: var(--gold);
  margin: 0 0 0.55rem;
}

h1 {
  position: relative;
  font-weight: 500;
  font-size: 2.45rem;
  letter-spacing: 0.42em;
  margin: 0 0 0.55rem;
  padding-right: 2.6rem;
}

h1::after {
  content: "印";
  position: absolute;
  right: 0;
  top: 0.15rem;
  width: 1.85rem;
  height: 1.85rem;
  border: 1.5px solid var(--cinnabar);
  color: var(--cinnabar);
  font-size: 0.78rem;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.72;
  transform: rotate(-8deg);
}

.lede, .meta, footer p, .status, .empty {
  color: var(--mute);
  line-height: 1.7;
}

.empty { font-size: 0.9rem; margin: 1.6rem 0 0; }

label {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--mute);
  flex: 1;
}

label.block { margin: 0.65rem 0; }

.row {
  display: flex;
  gap: 0.75rem;
  margin: 0.65rem 0;
}

input, select, textarea, button {
  font: inherit;
  color: var(--ink);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 1px;
  padding: 0.58rem 0.7rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #b0893e;
  background: #fffdf8;
}

textarea { resize: vertical; min-height: 4.4rem; line-height: 1.55; }

.actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.15rem;
}

button {
  background: var(--cinnabar);
  color: #f8efe3;
  border-color: var(--cinnabar);
  letter-spacing: 0.32em;
  padding: 0.62rem 1.45rem;
  cursor: pointer;
}

button:hover { filter: brightness(1.06); }
button:disabled { opacity: 0.5; cursor: wait; filter: none; }

.more {
  margin: 0.55rem 0 0.15rem;
  color: var(--mute);
  font-size: 0.86rem;
}

.more summary { cursor: pointer; letter-spacing: 0.06em; }

.alert {
  margin-top: 1.15rem;
  padding: 0.75rem 0.85rem;
  border-left: 3px solid var(--gold);
  background: rgba(160, 124, 56, 0.09);
  line-height: 1.6;
  font-size: 0.92rem;
}

.alert.is-error {
  border-left-color: var(--cinnabar);
  background: rgba(143, 42, 34, 0.08);
}

.panel {
  margin-top: 1.8rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

h2 {
  font-weight: 500;
  letter-spacing: 0.28em;
  font-size: 0.92rem;
  margin: 0 0 0.85rem;
}

.reading {
  white-space: pre-wrap;
  line-height: 1.85;
  font-size: 1.02rem;
}

.chart-card {
  margin: 0.85rem 0 1.1rem;
  padding: 1rem 1rem 0.75rem;
  background: rgba(255,255,255,0.38);
  border: 1px solid var(--line);
}

.chart-card h3 {
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
  letter-spacing: 0.16em;
  font-weight: 500;
}

.chart-card.fail { opacity: 0.78; }

.kv {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 0.28rem 0.6rem;
  font-size: 0.92rem;
  margin: 0 0 0.7rem;
}

.kv span { color: var(--mute); letter-spacing: 0.06em; }

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}

.pillar {
  text-align: center;
  padding: 0.55rem 0.2rem 0.5rem;
  background: #fffaf1;
  border: 1px solid var(--line);
}

.pillar .who { font-size: 0.68rem; color: var(--mute); letter-spacing: 0.14em; }
.pillar .gz { font-size: 1.15rem; letter-spacing: 0.12em; margin: 0.2rem 0; }
.pillar .shen { font-size: 0.72rem; color: var(--cinnabar); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}

.card {
  padding: 0.7rem 0.45rem;
  text-align: center;
  background: #fffaf1;
  border: 1px solid var(--line);
  min-height: 5.2rem;
}

.card.rev { background: #f3e6d6; }
.card .pos { font-size: 0.68rem; color: var(--mute); letter-spacing: 0.08em; }
.card .nm { margin-top: 0.35rem; font-size: 0.92rem; line-height: 1.35; }
.card .rev-tag { margin-top: 0.25rem; font-size: 0.68rem; color: var(--cinnabar); }

.palace {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.3rem;
}

.cell {
  min-height: 4.4rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  background: #fffaf1;
  font-size: 0.72rem;
  line-height: 1.35;
}

.cell b { display: block; font-weight: 500; margin-bottom: 0.15rem; }

.houses { font-size: 0.86rem; line-height: 1.55; }

details.raw {
  margin-top: 0.35rem;
  color: var(--mute);
  font-size: 0.78rem;
}

details.raw pre {
  margin: 0.4rem 0 0;
  overflow: auto;
  font-size: 0.72rem;
  line-height: 1.4;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  max-height: 14rem;
}

footer {
  margin-top: 2.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.76rem;
}

[hidden] { display: none !important; }

@media (max-width: 560px) {
  .row, .pillars, .cards { grid-template-columns: 1fr 1fr; }
  .row { flex-direction: column; }
  .cards { display: grid; }
  h1 { font-size: 2rem; }
}