:root {
  --paper: #f4ecd8;
  --paper-deep: #e8dcc2;
  --ink: #2a1c12;
  --ink-soft: #5a4533;
  --muted: #7a624c;
  --line: #7a3a28;
  --line-soft: #c4a07a;
  --seal: #9c1c1c;
  --gold: #8a6a32;
  --lu: #b42318;
  --quan: #1a4f8b;
  --ke: #1b6b3a;
  --ji: #5c2d86;
  --miao: #9c1c1c;
  --xian: #6d6d6d;
  --shadow: 0 10px 30px rgba(80, 40, 10, 0.08);
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at 20% 0%, #fbf6ea 0%, transparent 50%),
    var(--paper);
  color: var(--ink);
  font-family: "Songti TC", "STSong", "PMingLiU", "PingFang TC", "Noto Serif CJK TC", "Noto Serif TC", "Source Han Serif TC", serif;
  line-height: 1.5;
  max-width: 100%;
  overflow-x: hidden;
}

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.site-header, main, .site-footer {
  width: min(1120px, calc(100% - 24px));
  margin-left: auto;
  margin-right: auto;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 16px;
  padding: 28px 0 12px;
  border-bottom: 2px solid var(--line);
}

.seal {
  width: 64px;
  height: 64px;
  border: 3px solid var(--seal);
  color: var(--seal);
  display: grid;
  place-items: center;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0;
  transform: rotate(-8deg);
  flex: none;
}

.titles { flex: 1 1 16rem; min-width: 0; }
.eyebrow { margin: 0 0 4px; color: var(--seal); letter-spacing: 0.18em; font-size: 0.85rem; }
h1 { margin: 0 0 6px; font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: 0.12em; }
.sub { margin: 0; color: var(--ink-soft); }
.engine { margin: 0; color: var(--gold); font-size: 0.9rem; margin-left: auto; }

.panel {
  background: rgba(255, 251, 242, 0.72);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
  padding: 16px 18px 18px;
  margin: 18px 0;
}

.form-panel h2, .list-panel h2, .result-toolbar h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  letter-spacing: 0.16em;
  color: var(--line);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  margin: 10px 0;
}

.date-row label, .row label.grow { min-width: 0; }

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

label.choice {
  flex-direction: row;
  align-items: center;
  gap: 6px;
}

input[type="number"], select {
  font: inherit;
  color: var(--ink);
  background: #fffdf7;
  border: 1px solid var(--line-soft);
  padding: 7px 9px;
  min-width: 0;
  width: 100%;
  max-width: 100%;
}

.date-row input, #clockRow input, #flowYear {
  width: 6.5rem;
}

fieldset {
  border: 0;
  margin: 8px 0;
  padding: 0;
}

legend { font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 4px; }

.hint { margin: 6px 0 0; color: var(--muted); font-size: 0.86rem; }
.hidden { display: none !important; }

.config {
  margin: 14px 0;
  padding: 8px 10px;
  border: 1px dashed var(--line-soft);
  background: #f8f1e2;
}

.config summary { cursor: pointer; color: var(--line); font-weight: 600; }
.config label { margin-top: 8px; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

button {
  font: inherit;
  cursor: pointer;
  border-radius: 2px;
}

.primary {
  background: var(--line);
  color: #f7efe0;
  border: 1px solid var(--line);
  padding: 8px 18px;
  letter-spacing: 0.12em;
}

.ghost {
  background: transparent;
  color: var(--line);
  border: 1px solid var(--line);
  padding: 8px 18px;
}

.link {
  background: none;
  border: 0;
  color: var(--seal);
  padding: 0 6px;
  text-decoration: underline;
}

.presets { margin-top: 12px; color: var(--muted); font-size: 0.9rem; }

.error {
  color: var(--seal);
  background: #f8e6e0;
  border: 1px solid #e0b4a8;
  padding: 10px 12px;
}

.result-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 8px 0 12px;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.flow-label { flex-direction: row; align-items: center; gap: 8px; }

.chart-wrap {
  width: 100%;
  overflow: hidden;
  margin: 0 0 20px;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: repeat(4, minmax(0, auto));
  width: 100%;
  border: 3px solid var(--line);
  background: var(--line);
  gap: 2px;
}

.palace, .center-box {
  background: #fbf6ea;
  min-width: 0;
  overflow: hidden;
}

.palace {
  padding: 6px 7px 7px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-height: 150px;
}

.palace header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 2px;
  font-size: 0.86rem;
}

.pname { font-weight: 700; color: var(--line); letter-spacing: 0.08em; }
.ganzhi { color: var(--gold); font-size: 0.8rem; }
.body-mark {
  display: inline-block;
  margin-left: 3px;
  border: 1px solid var(--seal);
  color: var(--seal);
  font-style: normal;
  font-size: 0.66rem;
  padding: 0 3px;
  line-height: 1.2;
  vertical-align: middle;
}

.stars { display: flex; flex-wrap: wrap; gap: 3px 6px; }
.star {
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
  line-height: 1.25;
  max-width: 100%;
  white-space: nowrap;
}
.star.major { font-size: 0.95rem; font-weight: 700; }
.star.minor { font-size: 0.78rem; color: #3d2a1c; }
.star.adj { font-size: 0.7rem; color: var(--muted); }
.bright { font-size: 0.68em; color: var(--miao); margin-left: 1px; }
.bright.xian { color: var(--xian); }
.hua, .flow-tag {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1;
  padding: 1px 3px;
  margin-left: 1px;
  border: 1px solid currentColor;
}
.hua.lu, .flow-tag.lu { color: var(--lu); }
.hua.quan, .flow-tag.quan { color: var(--quan); }
.hua.ke, .flow-tag.ke { color: var(--ke); }
.hua.ji, .flow-tag.ji { color: var(--ji); }
.flow-tag.dec { color: #7a4a12; }
.flow-tag.year { color: #255e6b; }

.gods, .decadal, .flow-line {
  font-size: 0.68rem;
  color: var(--ink-soft);
  line-height: 1.35;
}
.decadal { color: var(--gold); }

.center-box {
  grid-column: 2 / 4;
  grid-row: 2 / 4;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  text-align: center;
  background:
    linear-gradient(#fbf6ea, #fbf6ea),
    #fbf6ea;
}

.center-box h3 {
  margin: 0 0 6px;
  letter-spacing: 0.28em;
  font-size: 1.05rem;
  color: var(--seal);
}

.center-box p { margin: 0; font-size: 0.88rem; color: var(--ink); }
.center-box .muted { color: var(--muted); font-size: 0.78rem; }
.center-meta { margin-top: 6px; font-size: 0.75rem; color: var(--ink-soft); }

.chart-caption {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.45;
  word-break: break-word;
}
.list-panel { overflow-x: hidden; }

.palace-list {
  border-top: 1px solid var(--line-soft);
  padding: 10px 0;
}

.palace-list h3 {
  margin: 0 0 4px;
  font-size: 1rem;
  color: var(--line);
}

.palace-list p, .palace-list li { margin: 2px 0; font-size: 0.92rem; word-break: break-word; }
.palace-list ul { margin: 0; padding-left: 1.1rem; }

.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 16px 0 40px;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.site-footer p { margin: 4px 0; }

.text-view {
  white-space: pre-wrap;
  word-break: break-word;
  background: #fffdf7;
  border: 1px solid var(--line-soft);
  padding: 12px;
  font-size: 0.85rem;
}

/* Earthly-branch placement: 巳午未申 / 辰  酉 / 卯  戌 / 寅丑子亥 */
.pos-si { grid-column: 1; grid-row: 1; }
.pos-wu { grid-column: 2; grid-row: 1; }
.pos-wei { grid-column: 3; grid-row: 1; }
.pos-shen { grid-column: 4; grid-row: 1; }
.pos-chen { grid-column: 1; grid-row: 2; }
.pos-you { grid-column: 4; grid-row: 2; }
.pos-mao { grid-column: 1; grid-row: 3; }
.pos-xu { grid-column: 4; grid-row: 3; }
.pos-yin { grid-column: 1; grid-row: 4; }
.pos-chou { grid-column: 2; grid-row: 4; }
.pos-zi { grid-column: 3; grid-row: 4; }
.pos-hai { grid-column: 4; grid-row: 4; }

@media (max-width: 720px) {
  .site-header, main, .site-footer { width: min(1120px, calc(100% - 16px)); }
  .palace { min-height: 0; padding: 4px 4px 5px; }
  .palace header { font-size: 0.72rem; }
  .star.major { font-size: 0.72rem; }
  .star.minor { font-size: 0.62rem; }
  .star.adj { font-size: 0.56rem; }
  .gods, .decadal, .flow-line { font-size: 0.56rem; }
  .center-box { padding: 6px; }
  .center-box h3 { font-size: 0.85rem; letter-spacing: 0.12em; }
  .center-box p { font-size: 0.66rem; }
  .center-meta { font-size: 0.58rem; }
  .date-row input, #clockRow input, #flowYear { width: 5.2rem; }
}

@media (max-width: 430px) {
  :root { font-size: 15px; }
  .chart-grid { gap: 1px; border-width: 2px; }
  .palace { gap: 1px; }
  .hua, .flow-tag { padding: 0 2px; font-size: 0.52rem; }
}