/* =========================================================
   梅花易数 · 宣纸素笺设计系统
   ========================================================= */

:root {
  /* —— 宣纸色系 (浅色) —— */
  --paper:        #f5efe3;   /* 宣纸底 */
  --paper-2:      #ebe3d2;   /* 宣纸深 */
  --paper-3:      #ded3bd;   /* 分隔线 */
  --paper-card:   #faf6ec;   /* 卡片面 */
  --ink:          #1a1714;   /* 墨黑 */
  --ink-2:        #3d3631;   /* 淡墨 */
  --ink-3:        #7a6f64;   /* 灰墨 */
  --ink-4:        #a89f92;   /* 远墨 */
  --cinnabar:     #a8321f;   /* 朱砂 */
  --cinnabar-2:   #c25032;   /* 浅朱 */
  --celadon:      #6b7f6a;   /* 青瓷 */
  --gold:         #a88732;   /* 金 */
  --seal-bg:      #a8321f;   /* 印章底 */

  /* —— 三卦色 —— */
  --c-ben:   #1a1714;   /* 本卦: 墨黑 */
  --c-hu:    #6b7f6a;   /* 互卦: 青瓷 */
  --c-bian:  #a8321f;   /* 变卦: 朱砂 */

  /* —— 尺寸 / 字型 —— */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 14px;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", "STSong", serif;
  --font-sans:  "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono:  ui-monospace, "SF Mono", "Menlo", monospace;

  /* —— 阴影 (带温度) —— */
  --shadow-sm: 0 1px 2px rgba(64, 40, 20, 0.04);
  --shadow:    0 4px 20px rgba(64, 40, 20, 0.07), 0 1px 3px rgba(64, 40, 20, 0.04);
  --shadow-lg: 0 20px 60px rgba(64, 40, 20, 0.12);
}

/* —— 深色 (夜砚) —— */
html[data-theme="dark"] {
  --paper:        #1a1714;
  --paper-2:      #242018;
  --paper-3:      #332d24;
  --paper-card:   #1f1b16;
  --ink:          #ebe3d2;
  --ink-2:        #c9bea8;
  --ink-3:        #8a7f6f;
  --ink-4:        #5a5244;
  --cinnabar:     #d2553a;
  --cinnabar-2:   #e57053;
  --celadon:      #8ba187;
  --gold:         #d2ad5a;
  --c-ben:        #ebe3d2;
  --c-hu:         #8ba187;
  --c-bian:       #d2553a;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow:    0 4px 20px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* —— 重置 —— */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* 宣纸肌理 - 极淡的噪点 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    radial-gradient(circle at 25% 15%, rgba(168, 143, 100, 0.08) 0, transparent 40%),
    radial-gradient(circle at 75% 85%, rgba(168, 50, 31, 0.04) 0, transparent 40%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='3'/><feColorMatrix values='0 0 0 0 0.4  0 0 0 0 0.3  0 0 0 0 0.2  0 0 0 0.12 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
html[data-theme="dark"] body::before { opacity: 0.2; }

button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
input { font-family: inherit; color: inherit; }

/* =========================================================
   布局骨架
   ========================================================= */

.app {
  position: relative;
  min-height: 100vh;
  z-index: 1;
}

/* —— 桌面: 左侧边栏 + 主内容 —— */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 220px;
  background: var(--paper-2);
  border-right: 1px solid var(--paper-3);
  display: flex;
  flex-direction: column;
  padding: 32px 20px 24px;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 40px;
  padding: 0 4px;
}
.brand-seal {
  width: 44px; height: 44px;
  background: var(--cinnabar);
  color: var(--paper-card);
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.15), 0 2px 8px rgba(168,50,31,0.25);
  border-radius: 4px;
  position: relative;
}
.brand-seal::after {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(255,255,255,0.25);
  pointer-events: none;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  padding-top: 2px;
}
.brand-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 2px;
}
.brand-sub {
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 3px;
  margin-top: 2px;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  color: var(--ink-3);
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 2px;
  transition: all 0.2s ease;
  text-align: left;
  position: relative;
}
.nav-btn:hover { background: var(--paper-card); color: var(--ink); }
.nav-btn.active {
  color: var(--ink);
  background: var(--paper-card);
  box-shadow: var(--shadow-sm);
}
.nav-btn.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px; bottom: 8px;
  width: 3px;
  background: var(--cinnabar);
  border-radius: 0 3px 3px 0;
}
.nav-icon {
  width: 20px; height: 20px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.nav-icon svg { width: 100%; height: 100%; }

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--paper-3);
}
.footer-note {
  font-family: var(--font-serif);
  font-size: 11px;
  color: var(--ink-4);
  text-align: center;
  letter-spacing: 2px;
  line-height: 1.6;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--paper-card);
  color: var(--ink-2);
  font-size: 12px;
  letter-spacing: 2px;
  transition: all 0.2s;
}
.theme-toggle:hover { background: var(--paper-3); color: var(--ink); }
.theme-toggle svg { width: 14px; height: 14px; }

/* —— 主内容区 —— */
.main {
  margin-left: 220px;
  padding: 40px 48px 80px;
  position: relative;
  min-height: 100vh;
}

.page {
  display: none;
  animation: pageIn 0.4s cubic-bezier(0.2, 0, 0.2, 1);
}
.page.active { display: block; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-head {
  margin-bottom: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.page-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 6px;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.page-title .en {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--ink-4);
  text-transform: uppercase;
  font-weight: 400;
}
.page-subtitle {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-3);
  letter-spacing: 2px;
  margin-top: 6px;
}

/* =========================================================
   排盘速查页
   ========================================================= */

.dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gua-card {
  background: var(--paper-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.2, 0, 0.2, 1), box-shadow 0.3s;
  position: relative;
  border: 1px solid var(--paper-3);
}
.gua-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
/* 顶部装饰条 */
.gua-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c);
  opacity: 0.85;
}
.gua-card.ben  { --c: var(--c-ben); }
.gua-card.hu   { --c: var(--c-hu); }
.gua-card.bian { --c: var(--c-bian); }

.card-head {
  padding: 20px 22px 16px;
  border-bottom: 1px dashed var(--paper-3);
}

.card-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 10px;
}
.card-label {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 4px;
  color: var(--c);
  font-weight: 600;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.card-label .en {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--ink-4);
  text-transform: uppercase;
  font-weight: 400;
}
.matched-name {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 2px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.matched-name.ok { color: var(--celadon); }
.matched-name.err { color: var(--cinnabar); opacity: 0.8; }

/* 上下卦选择器 */
.tri-pickers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.tri-picker {
  position: relative;
}
.tri-picker-label {
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--ink-3);
  margin-bottom: 6px;
  display: block;
  text-align: center;
}
.tri-button {
  width: 100%;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: all 0.2s;
  font-family: var(--font-serif);
}
.tri-button:hover { border-color: var(--c); background: var(--paper-card); }
.tri-button.filled { border-color: var(--c); background: var(--paper-card); }
.tri-button .tri-name {
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--ink);
  font-weight: 600;
}
.tri-button .tri-empty {
  font-size: 13px;
  color: var(--ink-4);
  letter-spacing: 2px;
}
.tri-button .tri-glyph {
  font-size: 18px;
  color: var(--c);
  line-height: 1;
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}
.tri-button .tri-glyph .l {
  width: 22px;
  height: 3px;
  background: var(--c);
  border-radius: 1px;
  display: flex;
  justify-content: space-between;
}
.tri-button .tri-glyph .l.yin::before,
.tri-button .tri-glyph .l.yin::after {
  content: '';
  width: 9px;
  height: 3px;
  background: var(--paper);
}
.tri-button .tri-glyph .l.yin {
  background: transparent;
}
.tri-button .tri-glyph .l.yin-inner {
  background: var(--c);
}
.tri-button .chevron {
  color: var(--ink-4);
  width: 12px; height: 12px;
  flex-shrink: 0;
}

/* 八卦下拉面板 */
.tri-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  background: var(--paper-card);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  z-index: 30;
  display: none;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  min-width: 180px;
}
.tri-menu.open { display: grid; }
.tri-option {
  padding: 8px 10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-family: var(--font-serif);
  transition: background 0.12s;
  text-align: left;
  width: 100%;
}
.tri-option:hover, .tri-option.focused { background: var(--paper-2); }
.tri-option.selected { background: color-mix(in oklab, var(--c) 12%, var(--paper-card)); }
.tri-option .g {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
  width: 22px;
}
.tri-option .g .line {
  width: 22px;
  height: 3px;
  border-radius: 1px;
  background: var(--ink-2);
  position: relative;
}
.tri-option .g .line.broken {
  background: transparent;
}
.tri-option .g .line.broken::before,
.tri-option .g .line.broken::after {
  content: '';
  position: absolute;
  top: 0;
  width: 9px;
  height: 3px;
  background: var(--ink-2);
  border-radius: 1px;
}
.tri-option .g .line.broken::before { left: 0; }
.tri-option .g .line.broken::after { right: 0; }
.tri-option .nm {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.tri-option .nm .ch { font-size: 14px; color: var(--ink); letter-spacing: 1px; font-weight: 600; }
.tri-option .nm .sub { font-size: 10px; color: var(--ink-4); letter-spacing: 1px; }

/* 爻线可视化 —— 点击切换爻 */
.yao-viz {
  margin-top: 16px;
  display: flex;
  flex-direction: column-reverse; /* 初爻在下，上爻在上 */
  gap: 8px;
  padding: 4px 0;
  opacity: 0.35;
  pointer-events: none;
  transition: opacity 0.3s;
}
.yao-viz.ready { opacity: 1; pointer-events: auto; }
.yao-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 4px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  animation: yaoFadeIn 0.5s cubic-bezier(0.2, 0, 0.2, 1) both;
}
.yao-viz.ready .yao-row { animation-delay: calc(var(--i) * 70ms); }
@keyframes yaoFadeIn {
  from { opacity: 0; transform: translateX(-10px); }
  to   { opacity: 1; transform: translateX(0); }
}
.yao-row:hover { background: var(--paper-2); }
.yao-row.active { background: color-mix(in oklab, var(--c) 10%, transparent); }
.yao-label {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--ink-3);
  width: 30px;
  letter-spacing: 1px;
  text-align: center;
  flex-shrink: 0;
  transition: color 0.2s;
}
.yao-row.active .yao-label { color: var(--c); font-weight: 600; }
.yao-line {
  flex: 1;
  height: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
/* 阳爻: 实线 */
.yao-line.yang::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 10px;
  background: var(--ink-2);
  border-radius: 1px;
  transition: background 0.2s;
}
/* 阴爻: 断线 */
.yao-line.yin::before,
.yao-line.yin::after {
  content: '';
  position: absolute;
  top: 0;
  width: calc(50% - 8px);
  height: 10px;
  background: var(--ink-2);
  border-radius: 1px;
  transition: background 0.2s;
}
.yao-line.yin::before { left: 0; }
.yao-line.yin::after  { right: 0; }
.yao-row:hover .yao-line::before,
.yao-row:hover .yao-line::after,
.yao-row.active .yao-line::before,
.yao-row.active .yao-line::after {
  background: var(--c);
}

/* Toggle: 显示方式切换 */
.card-mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--paper);
  border: 1px solid var(--paper-3);
  padding: 2px;
  border-radius: 999px;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 1px;
}
.card-mode-toggle button {
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--ink-3);
  transition: all 0.15s;
}
.card-mode-toggle button.on { background: var(--ink); color: var(--paper-card); }

/* 爻辞内容 */
.card-body {
  padding: 22px;
  flex: 1;
  overflow-y: auto;
  max-height: 380px;
  min-height: 160px;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-4) transparent;
}
.card-body::-webkit-scrollbar { width: 6px; }
.card-body::-webkit-scrollbar-thumb { background: var(--ink-4); border-radius: 3px; opacity: 0.5; }

.placeholder {
  text-align: center;
  color: var(--ink-4);
  padding: 40px 10px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 3px;
  line-height: 2;
}
.placeholder .dot-sep {
  display: block;
  margin: 14px auto;
  width: 40px;
  border-top: 1px solid var(--paper-3);
}

.gua-meaning {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 1px;
  line-height: 1.8;
  margin-bottom: 18px;
  padding: 14px 16px;
  background: var(--paper);
  border-left: 3px solid var(--c);
  border-radius: 0 var(--radius) var(--radius) 0;
  animation: fadeIn 0.4s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.yao-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 3px;
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--c);
  animation: fadeIn 0.4s;
}
.yao-text {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 2;
  color: var(--ink-2);
  white-space: pre-wrap;
  letter-spacing: 0.5px;
  text-align: justify;
  animation: fadeIn 0.5s;
}

/* =========================================================
   十二长生页
   ========================================================= */

.cs-page { display: flex; flex-direction: column; align-items: center; }

.cs-legend {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 2px;
}
.cs-legend span { display: inline-flex; align-items: center; gap: 6px; }
.cs-legend .dot { width: 10px; height: 10px; border-radius: 2px; }
.cs-legend .dot.yang { background: var(--gold); }
.cs-legend .dot.yin  { background: var(--celadon); }
.cs-legend .dot.mu   { background: var(--wx-mu); }
.cs-legend .dot.huo  { background: var(--wx-huo); }
.cs-legend .dot.tu   { background: var(--wx-tu); }
.cs-legend .dot.jin  { background: var(--wx-jin); }
.cs-legend .dot.shui { background: var(--wx-shui); }

.cs-table-wrap {
  overflow-x: auto;
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  background: var(--paper-card);
  scrollbar-width: thin;
}
.cs-table {
  border-collapse: collapse;
  font-family: var(--font-serif);
  background: var(--paper-card);
  min-width: 760px;
}
.cs-table th, .cs-table td {
  border: 1px solid var(--paper-3);
  padding: 10px 12px;
  text-align: center;
  font-size: 15px;
  letter-spacing: 1px;
  transition: background 0.15s, color 0.15s;
  min-width: 54px;
  position: relative;
}
.cs-table th.corner {
  background: var(--ink);
  color: var(--paper-card);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 1px;
  padding: 8px 6px;
  font-weight: 400;
}
.cs-table th.branch {
  background: var(--ink-2);
  color: var(--paper-card);
  font-size: 17px;
  font-weight: 600;
}
.cs-table th.stem {
  font-size: 17px;
  font-weight: 700;
  background: var(--paper);
}

/* —— 五行配色 (美观版: 绿/红/褐金/素白/靛蓝) —— */
:root {
  --wx-mu:    #4a7c59;   /* 木 · 青瓷绿 */
  --wx-huo:   #b23f2a;   /* 火 · 朱砂红 */
  --wx-tu:    #9c7a3e;   /* 土 · 赭黄 */
  --wx-jin:   #8a8680;   /* 金 · 素银 */
  --wx-shui:  #2f4a6a;   /* 水 · 靛蓝 */
}
html[data-theme="dark"] {
  --wx-mu:    #7fb28e;
  --wx-huo:   #e56b52;
  --wx-tu:    #d2a55a;
  --wx-jin:   #c4c0b8;
  --wx-shui:  #6a8fb8;
}

.cs-table th.branch[data-wx="mu"],
.cs-table th.stem[data-wx="mu"],
.cs-table td[data-wx="mu"]    { color: var(--wx-mu); }
.cs-table th.branch[data-wx="huo"],
.cs-table th.stem[data-wx="huo"],
.cs-table td[data-wx="huo"]   { color: var(--wx-huo); }
.cs-table th.branch[data-wx="tu"],
.cs-table th.stem[data-wx="tu"],
.cs-table td[data-wx="tu"]    { color: var(--wx-tu); }
.cs-table th.branch[data-wx="jin"],
.cs-table th.stem[data-wx="jin"],
.cs-table td[data-wx="jin"]   { color: var(--wx-jin); }
.cs-table th.branch[data-wx="shui"],
.cs-table th.stem[data-wx="shui"],
.cs-table td[data-wx="shui"]  { color: var(--wx-shui); }

/* 天干地支头部: 浅色背景配对 */
.cs-table th.stem[data-wx="mu"]   { background: color-mix(in oklab, var(--wx-mu) 10%, var(--paper)); }
.cs-table th.stem[data-wx="huo"]  { background: color-mix(in oklab, var(--wx-huo) 10%, var(--paper)); }
.cs-table th.stem[data-wx="tu"]   { background: color-mix(in oklab, var(--wx-tu) 10%, var(--paper)); }
.cs-table th.stem[data-wx="jin"]  { background: color-mix(in oklab, var(--wx-jin) 12%, var(--paper)); }
.cs-table th.stem[data-wx="shui"] { background: color-mix(in oklab, var(--wx-shui) 10%, var(--paper)); }

.cs-table th.branch {
  background: var(--ink-2);
  color: var(--paper-card) !important;
  font-weight: 700;
  position: relative;
}
.cs-table th.branch::after {
  content: '';
  position: absolute;
  left: 20%; right: 20%; bottom: 2px;
  height: 2px;
  background: var(--wx-color, transparent);
  border-radius: 1px;
  opacity: 0.85;
}
.cs-table th.branch[data-wx="mu"]   { --wx-color: var(--wx-mu); }
.cs-table th.branch[data-wx="huo"]  { --wx-color: var(--wx-huo); }
.cs-table th.branch[data-wx="tu"]   { --wx-color: var(--wx-tu); }
.cs-table th.branch[data-wx="jin"]  { --wx-color: var(--wx-jin); }
.cs-table th.branch[data-wx="shui"] { --wx-color: var(--wx-shui); }

.cs-table td {
  color: var(--ink-2);
  font-weight: 500;
  background: var(--paper-card);
}

/* 旺衰着色 - 强度分级 */
.cs-table td[data-power="peak"]   { background: color-mix(in oklab, var(--cinnabar) 18%, var(--paper-card)); color: var(--cinnabar); font-weight: 700; }
.cs-table td[data-power="strong"] { background: color-mix(in oklab, var(--cinnabar) 10%, var(--paper-card)); color: var(--cinnabar-2); }
.cs-table td[data-power="rising"] { background: color-mix(in oklab, var(--gold) 8%, var(--paper-card)); color: var(--gold); }
.cs-table td[data-power="neutral"]{ background: var(--paper-card); color: var(--ink-2); }
.cs-table td[data-power="fading"] { background: color-mix(in oklab, var(--celadon) 8%, var(--paper-card)); color: var(--celadon); }
.cs-table td[data-power="weak"]   { background: color-mix(in oklab, var(--ink) 8%, var(--paper-card)); color: var(--ink-3); }
.cs-table td[data-power="dead"]   { background: color-mix(in oklab, var(--ink) 15%, var(--paper-card)); color: var(--ink-3); font-style: italic; }

/* 高亮: 行/列/单元格 */
.cs-table tr.row-hl td,
.cs-table tr.row-hl th.stem {
  background: color-mix(in oklab, var(--gold) 12%, var(--paper-card));
}
.cs-table tr.row-hl th.stem.yin,
.cs-table tr.row-hl td.col-hl { /* overridden below */ }
.cs-table td.col-hl {
  background: color-mix(in oklab, var(--gold) 12%, var(--paper-card));
}
.cs-table th.branch.col-hl {
  background: var(--ink);
}
.cs-table td.cell-hl {
  background: var(--cinnabar) !important;
  color: var(--paper-card) !important;
  font-weight: 700;
  z-index: 2;
  box-shadow: 0 0 0 2px var(--cinnabar), 0 4px 12px rgba(168,50,31,0.35);
}

.cs-info {
  margin-top: 24px;
  background: var(--paper-card);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  max-width: 760px;
  width: 100%;
  box-shadow: var(--shadow-sm);
  text-align: center;
  font-family: var(--font-serif);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cs-info .hint {
  font-size: 13px;
  color: var(--ink-4);
  letter-spacing: 3px;
  line-height: 2;
}
.cs-info .label {
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.cs-info .result {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 8px;
  color: var(--ink);
  margin-bottom: 8px;
}
.cs-info .detail {
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 1px;
  line-height: 1.8;
}
.cs-info .detail strong { color: var(--cinnabar); font-weight: 600; }

.cs-stage-legend {
  margin-top: 18px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 760px;
}
.cs-stage-legend .chip {
  font-family: var(--font-serif);
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 4px;
  letter-spacing: 2px;
  border: 1px solid transparent;
}
.cs-stage-legend .chip[data-power="peak"]    { background: color-mix(in oklab, var(--cinnabar) 15%, var(--paper-card)); color: var(--cinnabar); border-color: color-mix(in oklab, var(--cinnabar) 25%, transparent); }
.cs-stage-legend .chip[data-power="strong"]  { background: color-mix(in oklab, var(--cinnabar) 8%, var(--paper-card)); color: var(--cinnabar-2); }
.cs-stage-legend .chip[data-power="rising"]  { background: color-mix(in oklab, var(--gold) 8%, var(--paper-card)); color: var(--gold); }
.cs-stage-legend .chip[data-power="neutral"] { background: var(--paper); color: var(--ink-2); }
.cs-stage-legend .chip[data-power="fading"]  { background: color-mix(in oklab, var(--celadon) 8%, var(--paper-card)); color: var(--celadon); }
.cs-stage-legend .chip[data-power="weak"]    { background: color-mix(in oklab, var(--ink) 6%, var(--paper-card)); color: var(--ink-3); }
.cs-stage-legend .chip[data-power="dead"]    { background: color-mix(in oklab, var(--ink) 12%, var(--paper-card)); color: var(--ink-3); }

.cs-note {
  margin-top: 20px;
  font-size: 12px;
  color: var(--ink-4);
  max-width: 760px;
  text-align: center;
  line-height: 2;
  font-family: var(--font-serif);
  letter-spacing: 2px;
  padding: 0 16px;
}

/* =========================================================
   移动端 — 底部 Tab / 汉堡无需
   ========================================================= */

.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--paper-3);
  padding: 12px 16px;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: space-between;
}
.mobile-header .brand-seal { width: 32px; height: 32px; font-size: 20px; }
.mobile-header .brand-title { font-size: 15px; letter-spacing: 2px; }
.mobile-header .brand-sub { font-size: 10px; letter-spacing: 2px; }

.bottom-nav {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: color-mix(in oklab, var(--paper-card) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--paper-3);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  z-index: 100;
  gap: 4px;
}
.bottom-nav .nav-btn {
  flex: 1;
  flex-direction: column;
  gap: 4px;
  padding: 8px 4px;
  font-size: 12px;
  letter-spacing: 2px;
  border-radius: 10px;
}
.bottom-nav .nav-btn.active { background: var(--paper-2); box-shadow: none; }
.bottom-nav .nav-btn.active::before { display: none; }
.bottom-nav .nav-btn.active .nav-icon { color: var(--cinnabar); }
.bottom-nav .nav-icon { width: 22px; height: 22px; }

/* =========================================================
   响应式 — ≤900 切换到移动布局
   ========================================================= */

@media (max-width: 1100px) {
  .dashboard { grid-template-columns: 1fr 1fr; }
  .main { padding: 36px 32px 80px; }
}

@media (max-width: 900px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 0 16px 96px; }
  .mobile-header { display: flex; }
  .bottom-nav { display: flex; }

  .page { padding-top: 20px; }
  .page-head { margin-bottom: 20px; gap: 8px; }
  .page-title { font-size: 22px; letter-spacing: 4px; }
  .page-title .en { font-size: 10px; letter-spacing: 2px; }
  .page-subtitle { font-size: 12px; }

  .dashboard { grid-template-columns: 1fr; gap: 14px; }
  .gua-card { border-radius: var(--radius); }
  .card-head { padding: 16px 18px 14px; }
  .card-label { font-size: 16px; letter-spacing: 3px; }
  .card-body { padding: 18px; max-height: 320px; }

  .cs-page { padding: 0 4px; }
  .page-title { font-size: 22px; }
  .cs-table { min-width: 640px; }
  .cs-table th, .cs-table td { padding: 8px 6px; font-size: 13px; min-width: 42px; letter-spacing: 0; }
  .cs-table th.corner { font-size: 10px; padding: 6px 4px; }
  .cs-table th.branch, .cs-table th.stem { font-size: 15px; }
  .cs-info .result { font-size: 28px; letter-spacing: 5px; }
  .cs-stage-legend .chip { font-size: 11px; padding: 4px 8px; }

  .mobile-theme-toggle {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--paper-2);
    color: var(--ink-2);
    display: grid;
    place-items: center;
  }
}

@media (max-width: 480px) {
  .page-title { font-size: 20px; }
  .card-label { font-size: 15px; }
  .gua-input { font-size: 15px; padding: 10px 12px; }
  .yao-label { width: 26px; font-size: 12px; }
  .cs-table { min-width: 580px; }
}