:root {
  --ink: #2a140d;
  --ink-soft: #5c3426;
  --muted: #8a6a55;
  --paper: #ead3aa;
  --paper-light: #f3e2c1;
  --paper-deep: #d3b17d;
  --card: #f7e8c9;
  --red: #8b1e17;
  --red-dark: #68140f;
  --brown: #4d281d;
  --gold: #9a642d;
  --line: #74432d;
  --line-soft: rgba(116, 67, 45, .28);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: .015em;
  background:
    radial-gradient(circle at 20% 30%, rgba(42, 20, 13, .08) 0 .8px, transparent 1px) 0 0 / 17px 19px,
    radial-gradient(circle at 75% 70%, rgba(42, 20, 13, .06) 0 .8px, transparent 1px) 0 0 / 23px 21px,
    #c5a16e;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

.shell {
  width: min(100%, 860px);
  min-height: 100vh;
  margin: 0 auto;
  background:
    linear-gradient(90deg, transparent 0 4.5%, rgba(139, 30, 23, .04) 4.5% 4.9%, transparent 4.9% 95.1%, rgba(139, 30, 23, .04) 95.1% 95.5%, transparent 95.5%),
    var(--paper);
  box-shadow: 0 0 50px rgba(42, 20, 13, .28);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  min-height: 66px;
  padding: 8px 14px;
  border-bottom: 3px double var(--line);
  background: rgba(243, 226, 193, .93);
  backdrop-filter: blur(8px);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  color: var(--brown);
  font-size: 21px;
  line-height: 1;
}

.topbar-title { display: grid; justify-items: center; text-align: center; }
.topbar-title b { font-family: "Noto Serif SC", "STSong", serif; font-size: 17px; letter-spacing: .1em; }
.topbar-title small { color: var(--ink-soft); font-size: 10px; letter-spacing: .16em; }

.main { padding: 26px 20px 44px; }

.eyebrow {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .26em;
}

h1 {
  margin: 0;
  font-family: "Noto Serif SC", "STSong", serif;
  font-size: clamp(26px, 5.2vw, 36px);
  line-height: 1.3;
  letter-spacing: .04em;
}

.chart-head {
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(243, 226, 193, .85), rgba(247, 232, 201, .72));
  box-shadow: 0 12px 30px rgba(42, 20, 13, .08);
}

.chart-meta { margin: 10px 0 0; color: var(--ink-soft); font-size: 12px; }

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 18px 0;
}

.pillar {
  padding: 10px 4px 9px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 248, 232, .72);
  text-align: center;
}

.pillar.day { border-color: var(--red); background: rgba(139, 30, 23, .05); }
.pillar small { display: block; color: var(--muted); font-size: 10px; letter-spacing: .1em; }
.pillar b {
  display: block;
  margin: 3px 0 2px;
  color: var(--red);
  font-family: "Noto Serif SC", "STSong", serif;
  font-size: 25px;
  line-height: 1.1;
}
.pillar span { display: block; color: var(--gold); font-size: 10px; }

.chart-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.chart-facts span {
  padding: 8px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.chart-facts small { display: block; color: var(--muted); font-size: 10px; }
.chart-facts b { display: block; margin-top: 2px; font-size: 14px; font-weight: 600; }

.head-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 18px;
}

.btn {
  display: inline-grid;
  place-items: center;
  min-height: 46px;
  padding: 10px 20px;
  border: 2px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: var(--red);
  border-color: var(--red-dark);
  color: #fff3d8;
  box-shadow: inset 0 0 0 2px rgba(255, 243, 216, .16);
}
.btn-primary:hover { background: var(--red-dark); }
.btn-primary:disabled { opacity: .6; cursor: wait; }
.btn-secondary {
  background: rgba(243, 226, 193, .7);
  border-color: var(--line);
  color: var(--brown);
}

.hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

.status {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line-soft);
  background: rgba(243, 226, 193, .55);
  color: var(--ink-soft);
  font-size: 13px;
}

.status.error {
  border-left: 3px solid var(--red);
  background: rgba(139, 30, 23, .06);
  color: var(--red);
}

.loading-line {
  display: flex;
  align-items: center;
  gap: 10px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--line-soft);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  flex: 0 0 auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-sub {
  margin: 8px 0 0 26px;
  color: var(--muted);
  font-size: 11px;
}

.report { margin-top: 20px; }

.report-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  margin-bottom: 12px;
}

.report-tabs button {
  min-height: 44px;
  border: 0;
  background: rgba(243, 226, 193, .55);
  color: var(--brown);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
}

.report-tabs button.active {
  background: var(--red);
  color: #fff3d8;
}

.report-pane[hidden] { display: none; }

.report-section h4 {
  margin: 18px 0 8px;
  color: var(--ink);
  font-family: "Noto Serif SC", "STSong", serif;
  font-size: 15px;
  letter-spacing: .08em;
}

.timing-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 12px;
}

.timing-table th,
.timing-table td {
  padding: 7px 5px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
}

.timing-table th {
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
}

.timing-table tr.current td {
  background: rgba(139, 30, 23, .06);
  color: var(--red);
  font-weight: 700;
}

.timing-table tr.current td:first-child {
  box-shadow: inset 3px 0 var(--red);
}


.report-summary {
  padding: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(139, 30, 23, .06), rgba(243, 226, 193, .55));
}

.report-summary h2 {
  margin: 0 0 8px;
  font-family: "Noto Serif SC", "STSong", serif;
  font-size: 19px;
  letter-spacing: .08em;
}

.report-summary p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.9; }

.report-section {
  margin-top: 12px;
  padding: 18px 19px;
  border: 1px solid var(--line-soft);
  background: rgba(247, 232, 201, .82);
}

.report-section h3 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 9px;
  font-family: "Noto Serif SC", "STSong", serif;
  font-size: 17px;
  letter-spacing: .08em;
}

.report-section h3 small {
  color: var(--muted);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 10px;
  font-weight: 400;
}

.report-section p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.95;
  white-space: pre-wrap;
}

.evidence {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}

.evidence span {
  padding: 3px 7px;
  border: 1px solid var(--line-soft);
  color: var(--gold);
  font-size: 10px;
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.empty {
  max-width: 560px;
  margin: 70px auto;
  padding: 32px 26px;
  border: 1px solid var(--line);
  background: var(--card);
  text-align: center;
}
.empty p { color: var(--ink-soft); font-size: 13px; line-height: 1.85; }
.empty-actions { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; margin-top: 20px; }

.footer {
  padding: 18px 20px 24px;
  border-top: 3px double var(--line);
  color: var(--muted);
  font-size: 10px;
  line-height: 1.8;
  text-align: center;
}

@media (max-width: 560px) {
  .main { padding: 18px 14px 36px; }
  .chart-head { padding: 18px 14px; }
  .pillars { gap: 4px; }
  .pillar b { font-size: 22px; }
  .chart-facts { grid-template-columns: 1fr 1fr; }
  .head-actions .btn { flex: 1; }
  .report-section { padding: 16px 15px; }
}

@media print {
  body { background: #fff; }
  .shell { box-shadow: none; width: 100%; max-width: none; }
  .topbar, .head-actions, .hint, .footer, .report-actions, .status, .report-tabs { display: none !important; }
  .main { padding: 0; }
  .chart-head { box-shadow: none; }
  .report-section { break-inside: avoid; }
}