/* 道上云境 · 八字排盘（P1-T6）
   色板、字号、间距按 docs/ui-design.md。不加载任何外部字体或图片。 */

:root {
  --paper: #F6EFE2;
  --card: #FFFBF4;
  --thead: #EFE4D0;
  --ink: #3E2B20;
  --ink2: #6B5444;
  --red: #D92129;
  --red-dark: #B81C23;
  --err: #A3171D;
  --err-bg: #FBE9E7;
  --bronze: #7A5A1E;
  --bronze-line: #B8935A;
  --border: #8C7462;
  --jie-bg: #F3E6C8;
  --foot-bg: #2A1D15;
  --foot-text: #F6EFE2;
  --foot-gold: #E3C58E;
  --line: #E3D5BE;
  --disabled-bg: #EFE8DC;

  --wx-mu: #2E6B3A;
  --wx-huo: #B0281F;
  --wx-tu: #8A5A14;
  --wx-jin: #5C5F66;
  --wx-shui: #1F4E79;

  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --nav-h: 56px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  /* 焦点移到出错字段或结果标题时，不被吸顶导航挡住 */
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 30;
  padding: 12px 16px;
  background: var(--card);
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 10px;
}
.skip-link:focus { left: 16px; }

/* ---------- 导航 ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid rgba(184, 147, 90, 0.35);
}
@supports ((-webkit-backdrop-filter: blur(16px)) or (backdrop-filter: blur(16px))) {
  .site-nav {
    background: rgba(246, 239, 226, 0.88);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
  }
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: var(--nav-h);
  padding: 0 16px;
  margin: 0 auto;
}
.nav-logo { width: 28px; height: 28px; flex: none; display: block; }
.nav-title {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
}

/* ---------- 页面骨架 ---------- */
.page {
  padding: 0 16px 48px;
  margin: 0 auto;
}
.page:focus { outline: none; }
.intro { padding: 24px 0 16px; }
.intro h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.75rem;
  line-height: 1.3;
  color: var(--red);
}
.privacy {
  margin: 4px 0 0;
  color: var(--ink2);
  font-size: 0.875rem;
}
.noscript {
  padding: 12px;
  background: var(--err-bg);
  color: var(--err);
  border-radius: 10px;
}

/* ---------- 表单 ---------- */
.form-panel {
  background: var(--card);
  border: 1px solid rgba(140, 116, 98, 0.3);
  border-radius: 16px;
  padding: 16px;
}
.form-title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.4;
}
.form-summary {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.summary-text { margin: 0; min-width: 0; }

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}
.fgroup { margin: 0 0 16px; }
legend {
  padding: 0;
  margin: 0 0 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink);
}
.flabel {
  display: block;
  margin: 0 0 4px;
  font-size: 0.875rem;
  color: var(--ink2);
  line-height: 1.4;
}
.sub { margin-top: 8px; }
.hint {
  margin-bottom: 0;
  font-size: 0.875rem;
  color: var(--ink2);
}

select,
input[type="text"] {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
select:disabled,
input:disabled {
  background-color: var(--disabled-bg);
  color: var(--ink2);
  cursor: not-allowed;
}

.row3 {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 8px;
}
.row2,
.row-lon {
  display: grid;
  gap: 8px;
}
.row2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.row-lon { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr); }

/* 分段控件：fieldset + 原生 radio */
.seg {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
}
.seg label {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
}
.seg input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.seg span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 4px 8px;
  border-radius: 999px;
  text-align: center;
  line-height: 1.25;
  color: var(--ink);
}
.seg input:checked + span {
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
}
.seg input:focus-visible + span {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* 闰月开关 */
.leap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  margin-top: 8px;
}
.leap-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  cursor: pointer;
}
.leap-label input {
  width: 22px;
  height: 22px;
  margin: 0;
  accent-color: var(--ink);
  cursor: pointer;
}
.leap-label input:disabled { cursor: not-allowed; }
.leap-label input:disabled + span { color: var(--ink2); }
.leap-hint {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink2);
}
.leap .field-error { flex-basis: 100%; }

.city-fail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 8px;
}
.city-fail p { margin: 0; color: var(--err); font-size: 0.875rem; }

.meta-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--thead);
  font-size: 0.875rem;
}
.meta-status p { margin: 0; }

/* 出错 */
.field-error {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin: 6px 0 0;
  color: var(--err);
  font-size: 0.875rem;
  line-height: 1.5;
}
.err-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--err);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1;
}
.has-error select,
.has-error input[type="text"],
.has-error > .seg {
  border: 2px solid var(--err);
}
.has-error > .seg { padding: 2px; }
.leap.has-error .leap-label {
  padding: 0 8px;
  border: 2px solid var(--err);
  border-radius: 10px;
}
.has-error select,
.has-error input[type="text"] { padding: 7px 9px; }

.form-error:not(:empty) {
  margin: 0 0 12px;
  padding: 12px;
  border-left: 4px solid var(--err);
  border-radius: 10px;
  background: var(--err-bg);
  color: var(--err);
}
.form-error p { margin: 0 0 8px; }
.form-error p:last-child { margin-bottom: 0; }
.form-error .btn { margin-top: 4px; }

/* 按钮 */
.btn {
  font: inherit;
  cursor: pointer;
  border-radius: 10px;
}
.btn-primary {
  display: block;
  width: 100%;
  min-height: 48px;
  border: 0;
  background: var(--red);
  color: #FFFFFF;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}
.btn-primary:hover { background: var(--red-dark); }
.btn-primary:disabled {
  background: var(--ink2);
  cursor: not-allowed;
}
.btn-secondary {
  flex: none;
  min-height: 44px;
  min-width: 44px;
  padding: 0 16px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  font-size: 0.875rem;
}
.btn-secondary:hover { background: var(--thead); }

/* ---------- 结果区 ---------- */
.result-panel { margin-top: 24px; }
.result-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}
.result-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.375rem;
  line-height: 1.4;
  scroll-margin-top: calc(var(--nav-h) + 16px);
}
.result-title:focus { outline: none; }
.result-title:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.result-panel.is-empty #print-btn { display: none; }

.result-placeholder { margin-top: 12px; }
.guide { margin: 0 0 16px; color: var(--ink2); }
.skel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.skel-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  border: 1px dashed var(--bronze-line);
  border-radius: 16px;
  background: var(--card);
}
.skel-name { font-size: 0.875rem; color: var(--ink2); }
.skel-block {
  display: block;
  width: 44px;
  height: 40px;
  border-radius: 6px;
  background: var(--thead);
}

.rsec { margin: 24px 0 0; }
.rsec-title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.4;
  scroll-margin-top: calc(var(--nav-h) + 16px);
}
.rsec .sub-title {
  margin: 16px 0 8px;
  font-size: 1rem;
  font-weight: 700;
}
.muted { color: var(--ink2); }

/* 概要：两列 dl */
.kv {
  margin: 0;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}
.kv-row {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.kv-row:last-child { border-bottom: 0; }
.kv dt {
  color: var(--bronze);
  font-size: 0.875rem;
  line-height: 1.7;
}
.kv dd { margin: 0; min-width: 0; }
.kv .line { display: block; }

/* 节气边界提示 */
.boundary {
  display: flex;
  gap: 12px;
  padding: 16px;
  border-left: 4px solid var(--bronze-line);
  border-radius: 10px;
  background: var(--jie-bg);
}
.seal {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--bronze);
  border-radius: 50%;
  color: var(--bronze);
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1;
}
.boundary-body { min-width: 0; }
.boundary .rsec-title { margin-bottom: 4px; }
.boundary p { margin: 6px 0 0; }
.boundary-meta { font-size: 0.875rem; color: var(--ink2); }

/* 说明 */
.notes {
  margin: 0;
  padding: 12px 16px 12px 32px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}
.notes li + li { margin-top: 4px; }
.notes .note-minor {
  color: var(--ink2);
  font-size: 0.875rem;
}

/* 表格 */
/* 外框用 box-shadow 画，表格吃满内容宽（375 下 343px） */
.tbl-card {
  border-radius: 16px;
  background: var(--card);
  box-shadow: 0 0 0 1px var(--line);
}
.tbl {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.875rem;
  line-height: 1.4;
  text-align: center;
}
.tbl th,
.tbl td {
  padding: 8px 2px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  overflow-wrap: anywhere;
}
.tbl tr:last-child > * { border-bottom: 0; }
.tbl thead th {
  background: var(--thead);
  font-weight: 700;
}
.tbl thead th:first-child { border-top-left-radius: 15px; }
.tbl thead th:last-child { border-top-right-radius: 15px; }
.tbl tbody th {
  background: var(--thead);
  font-size: 0.8125rem;
  font-weight: 700;
}
.tbl tbody tr:last-child th { border-bottom-left-radius: 15px; }
.tbl col.c-head { width: 48px; }
.tbl.shensha col.c-head { width: 44px; }

.gz-big {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.15;
}
.wx-tag {
  margin-left: 2px;
  font-size: 0.8125rem;
  vertical-align: middle;
}
.cg,
.ss-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
}
.cg-gan {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.875rem;
}
.ss-list li { display: block; }

.wx-mu { color: var(--wx-mu); }
.wx-huo { color: var(--wx-huo); }
.wx-tu { color: var(--wx-tu); }
.wx-jin { color: var(--wx-jin); }
.wx-shui { color: var(--wx-shui); }

.wx-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}
.wx-legend .lg-label { color: var(--ink2); }
.wx-legend .sw {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 4px;
  border-radius: 2px;
  background: currentColor;
}

.ss-note {
  margin: 8px 0 0;
  font-size: 0.875rem;
  color: var(--ink2);
}
.hidden-ss { margin-top: 4px; font-size: 0.875rem; }
.hidden-ss summary {
  padding: 11px 0;
  cursor: pointer;
}
.hidden-ss ul { margin: 0; padding-left: 20px; }

/* 大运 */
.qiyun {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 0 0 12px;
  font-size: 0.875rem;
}
.dy-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px 8px;
}
.dy-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 0;
  min-height: 44px;
  padding: 8px 2px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 0.8125rem;
  line-height: 1.35;
  text-align: center;
  cursor: pointer;
}
.dy-card:hover { background: var(--paper); }
.dy-card[aria-selected="true"] {
  padding: 7px 1px;
  border: 2px solid var(--ink);
  background: var(--thead);
}
.dy-card[aria-selected="true"]::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  margin-left: -6px;
  border: 6px solid transparent;
  border-bottom: 0;
  border-top-color: var(--ink);
}
.dy-gz {
  font-family: var(--serif);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.2;
}
.dy-today,
.ln-today {
  color: var(--bronze);
  font-weight: 700;
}

.dy-panel {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}
.dy-panel .sub-title { margin-top: 0; }

.ln-grid,
.grid8 {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.ln-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid8 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ln {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  padding: 6px 2px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  font-size: 0.8125rem;
  line-height: 1.35;
  text-align: center;
}
.ln.is-today {
  padding: 5px 1px;
  border: 2px solid var(--bronze-line);
}
.ln.is-pad { visibility: hidden; }
.ln-gz {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
}

.engine {
  margin: 24px 0 0;
  font-size: 0.875rem;
  color: var(--ink2);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 32px 16px;
  background: var(--foot-bg);
  color: var(--foot-text);
  text-align: center;
  font-size: 0.875rem;
}
.site-footer p { margin: 0; }
.site-footer .brand {
  margin-bottom: 4px;
  color: var(--foot-gold);
  font-family: var(--serif);
  font-size: 1rem;
}

/* ---------- 断点 ---------- */
@media (max-width: 359px) {
  .dy-tabs,
  .grid8 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 600px) {
  .page,
  .nav-inner {
    width: min(720px, 100% - 48px);
    padding-left: 0;
    padding-right: 0;
  }
  .dy-tabs {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 6px;
  }
  .ln-grid { grid-template-columns: repeat(10, minmax(0, 1fr)); }
  .grid8 { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}

@media (max-width: 1023px) {
  .form-panel.is-collapsed .form-summary { display: flex; }
  .form-panel.is-collapsed .form-title,
  .form-panel.is-collapsed #pp-form { display: none; }
  .result-panel.is-empty { display: none; }
}

@media (min-width: 1024px) {
  .page,
  .nav-inner { width: min(1160px, 100% - 48px); }
  .intro h1 { font-size: 2.5rem; }
  .layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
  .form-panel {
    position: sticky;
    top: calc(var(--nav-h) + 16px);
    max-height: calc(100vh - var(--nav-h) - 32px);
    overflow-x: hidden;
    overflow-y: auto;
    padding: 20px;
  }
  .result-panel { margin-top: 0; }
  .gz-big { font-size: 2.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 打印 ---------- */
@media print {
  @page { margin: 12mm; }
  body { background: #FFFFFF; color: #000000; }
  .site-nav,
  .skip-link,
  .form-panel,
  .result-placeholder,
  .no-print,
  .btn { display: none !important; }
  .page { width: auto; padding: 0; }
  .layout { display: block; }
  .result-panel { margin: 0; }
  .dy-panel[hidden] { display: block !important; }
  .dy-card[aria-selected="true"]::after { display: none; }
  .tbl-card,
  .tbl,
  .tbl tr,
  .kv,
  .boundary,
  .notes,
  .dy-tabs,
  .dy-panel,
  .grid8,
  .ln { break-inside: avoid; page-break-inside: avoid; }
  .rsec-title,
  .sub-title { break-after: avoid; page-break-after: avoid; }
  .site-footer {
    padding: 16px 0 0;
    background: none;
    color: #000000;
  }
  .site-footer .brand { color: #000000; }
}