:root {
    --bg: #1a1625;
    --panel: #241f33;
    --panel-2: #2d2740;
    --border: #3d3555;
    --gold: #d4af7a;
    --gold-soft: #e8cfa0;
    --text: #ece6f5;
    --text-dim: #a89fc0;
    --major: #f0c98a;
    --minor: #8fc4e0;
    --misc: #8fae8f;
    --lu: #7fd17f;
    --quan: #f0a860;
    --ke: #7fb8e0;
    --ji: #e07a7a;
    --danger: #e07a7a;
  }
  * { box-sizing: border-box; }
  body {
    margin: 0;
    font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans CJK TC", "Noto Sans TC", "Heiti TC", "Helvetica Neue", Arial, sans-serif;
    background: radial-gradient(ellipse at top, #241f33 0%, #150f20 70%);
    color: var(--text);
    padding: 24px 16px 60px;
    min-height: 100vh;
  }
  .wrap { max-width: 1080px; margin: 0 auto; }
  h1 {
    text-align: center;
    font-size: 1.6rem;
    letter-spacing: 0.15em;
    color: var(--gold-soft);
    margin: 4px 0 4px;
    font-weight: 600;
  }
  .subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 28px;
    letter-spacing: 0.05em;
  }
  .card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 24px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.35);
  }
  .form-card { margin-bottom: 28px; }
  .field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px 18px;
  }
  .field { display: flex; flex-direction: column; gap: 6px; }
  .field label {
    font-size: 0.78rem;
    color: var(--text-dim);
    letter-spacing: 0.04em;
  }
  .field input[type="text"],
  .field input[type="number"],
  .field select {
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 10px;
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.15s;
  }
  .field input:focus, .field select:focus { border-color: var(--gold); }
  .radio-row { display: flex; gap: 14px; flex-wrap: wrap; padding-top: 4px; }
  .radio-row label {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.9rem; color: var(--text); cursor: pointer;
  }
  .radio-row input { accent-color: var(--gold); }
  .leap-row { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
  .leap-row input { accent-color: var(--gold); }
  .leap-row label { font-size: 0.85rem; color: var(--text-dim); }
  #lunar-leap-field { display: none; }
  .actions { margin-top: 20px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
  button.primary {
    background: linear-gradient(135deg, var(--gold) 0%, #b98d52 100%);
    color: #241a0f;
    border: none;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: transform 0.12s, box-shadow 0.12s;
  }
  button.primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(212,175,122,0.35); }
  button.primary:active { transform: translateY(0); }
  .result-toolbar {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 14px;
  }
  button.secondary {
    background: transparent;
    color: var(--gold-soft);
    border: 1px solid var(--border);
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: border-color 0.12s, color 0.12s;
  }
  button.secondary:hover { border-color: var(--gold); color: var(--gold); }
  .error-msg {
    color: var(--danger);
    font-size: 0.88rem;
    display: none;
  }
  .result-section { display: none; }
  .summary-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    padding: 16px 20px;
    margin-bottom: 18px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    font-size: 0.88rem;
  }
  .summary-bar .item { color: var(--text-dim); }
  .summary-bar .item b { color: var(--gold-soft); font-weight: 600; }
  .chart-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 6px;
    aspect-ratio: 0.94 / 1;
    max-width: 960px;
    margin: 0 auto;
  }
  .vtext {
    writing-mode: vertical-rl;
    text-orientation: upright;
  }
  .palace {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 5px 6px 4px;
    display: flex;
    flex-direction: column;
    font-size: 0.72rem;
    position: relative;
    overflow: hidden;
    min-height: 0;
  }
  .palace.highlight {
    border-color: var(--gold);
    box-shadow: inset 0 0 0 1px var(--gold);
  }
  .palace-top-row {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 3px;
    padding-top: 4px;
    min-height: 0;
  }
  .dou-jun {
    position: absolute;
    top: 4px;
    left: 6px;
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--doujun, #d69ee0);
    line-height: 1.08;
    white-space: nowrap;
    z-index: 1;
  }
  .palace-minors {
    position: absolute;
    top: 4px;
    right: 0;
    display: flex;
    gap: 3px;
  }
  .star-col {
    writing-mode: vertical-rl;
    text-orientation: upright;
    line-height: 1.08;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .star-col.major { font-size: 1rem; font-weight: 700; color: var(--major); }
  .star-col.minor { font-size: 0.68rem; color: var(--minor); }
  .sihua-char { font-size: 0.82em; font-weight: 700; }
  .sihua-char.lu { color: var(--lu); }
  .sihua-char.quan { color: var(--quan); }
  .sihua-char.ke { color: var(--ke); }
  .sihua-char.ji { color: var(--ji); }
  .palace-misc-grid {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 0 3px;
    margin-top: auto;
    padding-top: 3px;
    min-height: 0;
  }
  .misc-col {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 0.6rem;
    color: var(--misc);
    line-height: 1.05;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .palace-bottom-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 4px;
    padding-top: 1px;
    flex-shrink: 0;
  }
  .bottom-misc {
    display: flex;
    align-items: flex-start;
    align-self: flex-start;
    gap: 2px;
    flex-shrink: 0;
  }
  .age-life {
    flex: 1;
    font-size: 0.64rem;
    color: var(--text-dim);
    line-height: 1.35;
    white-space: nowrap;
    text-align: center;
  }
  .ganzhi-name {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    flex-shrink: 0;
  }
  .name-col, .ganzhi-col {
    writing-mode: vertical-rl;
    text-orientation: upright;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .name-col {
    font-size: 0.64rem;
    font-weight: 600;
    color: var(--gold-soft);
  }
  .ganzhi-col {
    font-size: 0.64rem;
    color: var(--text-dim);
  }
  .center-box {
    grid-column: 2 / 4;
    grid-row: 2 / 4;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 6px;
    padding: 10px;
  }
  .center-box h2 {
    font-size: 1.1rem;
    color: var(--gold-soft);
    margin: 0 0 4px;
    letter-spacing: 0.06em;
  }
  .center-box .row { font-size: 0.78rem; color: var(--text-dim); }
  .center-box .row b { color: var(--text); font-weight: 600; }
  .legend {
    display: flex; gap: 18px; flex-wrap: wrap; justify-content: center;
    align-items: center;
    margin-top: 20px; font-size: 0.75rem; color: var(--text-dim);
  }
  .legend .dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 5px; vertical-align: -1px; }
  .legend .sample { font-weight: 700; margin-right: 3px; }
  .legend .sample.major { color: var(--major); }
  .legend .sample.minor { color: var(--minor); }
  .legend .sample.misc { color: var(--misc); }
  @media (max-width: 720px) {
    .chart-grid { aspect-ratio: auto; grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(6, minmax(170px,auto)); }
    .center-box { grid-column: 1 / 3; grid-row: auto; order: -1; padding: 16px; }
    .palace { font-size: 0.78rem; }
  }

button.primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(36,26,15,0.35);
  border-top-color: #241a0f;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: -2px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hint-msg {
  font-size: 0.72rem;
  color: var(--gold-soft);
  margin-top: 4px;
  display: none;
}
.hint-msg.show { display: block; }

@media print {
  :root {
    --bg: #ffffff;
    --panel: #ffffff;
    --panel-2: #f2f2f2;
    --border: #999999;
    --gold: #8a6d1f;
    --gold-soft: #6b5416;
    --text: #1a1625;
    --text-dim: #4a4a4a;
    --major: #8a5a00;
    --minor: #1a5276;
    --misc: #2d5f2d;
    --lu: #2d7d2d;
    --quan: #b8720a;
    --ke: #1a6fa0;
    --ji: #b03030;
  }
  body {
    background: #ffffff !important;
    padding: 0;
    min-height: 0;
  }
  .no-print { display: none !important; }
  .wrap { max-width: 100%; }
  .result-section { display: block !important; }
  .chart-grid {
    max-width: 100%;
    aspect-ratio: auto;
    grid-template-rows: repeat(4, 220px);
    gap: 4px;
    page-break-inside: avoid;
  }
  .palace, .center-box {
    box-shadow: none;
    border-color: #999999;
  }
  @page {
    size: portrait;
    margin: 1cm;
  }
}