/* ============================================================
   御定奇门宝鉴 · 玄机排盘 — 玄青宫廷视觉系统
   设计变量：见 docs/VISUAL_SPEC.md
   ============================================================ */
:root {
  /* 颜色系统 */
  --bg-ink: #0b111c;            /* 页面底色：玄青墨蓝 */
  --bg-deep: #0e1626;           /* 内容深底 */
  --bg-panel: rgba(21, 31, 50, 0.72);
  --bg-panel-solid: #141f33;
  --bg-cell: rgba(11, 17, 28, 0.62);
  --bg-cell-hover: rgba(28, 41, 63, 0.78);
  --line-gold: #c9a86a;         /* 金线 */
  --line-gold-soft: rgba(201, 168, 106, 0.34);
  --line-faint: rgba(201, 168, 106, 0.14);
  --text-main: #e9e1cd;         /* 宣纸白 */
  --text-soft: #b7b09f;
  --text-dim: #7d8794;
  --cinnabar: #c1493a;          /* 朱砂 */
  --cinnabar-deep: #8e2f23;
  --cinnabar-soft: rgba(193, 73, 58, 0.16);
  --gold: #c9a86a;
  --success: #7ea05f;
  --warn: #c9a24b;
  --error: #cf5142;
  --disabled: rgba(233, 225, 205, 0.3);

  /* 字体系统 */
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-num: "Times New Roman", Georgia, serif;

  /* 空间与形态 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --radius: 2px;
  --page-max: 1180px;
  --shadow-panel: 0 12px 40px rgba(0, 0, 0, 0.45);
  --transition: 180ms ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text-main);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.75;
  background:
    radial-gradient(ellipse at 50% -18%, rgba(58, 84, 128, 0.30), transparent 56%),
    radial-gradient(ellipse at 88% 108%, rgba(193, 73, 58, 0.10), transparent 46%),
    radial-gradient(ellipse at 8% 100%, rgba(201, 168, 106, 0.06), transparent 40%),
    repeating-linear-gradient(0deg, rgba(201, 168, 106, 0.025) 0 1px, transparent 1px 4px),
    var(--bg-ink);
  min-height: 100vh;
}

a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 8px 16px;
  background: var(--bg-panel-solid);
  border: 1px solid var(--line-gold-soft);
  color: var(--text-main);
}
.skip-link:focus { left: 0; }

/* ---------- 页眉 ---------- */
.site-header {
  border-bottom: 1px solid var(--line-gold-soft);
  background: linear-gradient(180deg, rgba(18, 27, 45, 0.95), rgba(11, 17, 28, 0.82));
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
}
.header-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.brand { display: flex; align-items: center; gap: var(--space-4); }
.brand-seal {
  width: 44px;
  height: 44px;
  flex: none;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, var(--cinnabar), var(--cinnabar-deep));
  color: #f3e7cf;
  font-size: 15px;
  letter-spacing: 0.08em;
  border: 1px solid rgba(243, 231, 207, 0.55);
  box-shadow: inset 0 0 0 2px rgba(193, 73, 58, 0.4), 0 2px 8px rgba(0, 0, 0, 0.5);
}
.brand-text h1 {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.brand-sub { color: var(--gold); font-weight: 400; }
.brand-desc { margin: 2px 0 0; font-size: 12px; color: var(--text-dim); letter-spacing: 0.1em; }
.header-nav { display: flex; gap: var(--space-4); }
.header-nav a {
  color: var(--text-soft);
  font-size: 14px;
  letter-spacing: 0.16em;
  padding: 4px 2px;
  border-bottom: 1px solid transparent;
}
.header-nav a:hover { color: var(--gold); border-bottom-color: var(--line-gold); text-decoration: none; }

/* ---------- 主区与面板 ---------- */
main { max-width: var(--page-max); margin: 0 auto; padding: var(--space-6) var(--space-5) var(--space-6); }

.panel {
  margin-bottom: var(--space-6);
  padding: var(--space-5);
  background: var(--bg-panel);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  position: relative;
}
.panel::before, .panel::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
}
.panel::before { top: -1px; left: -1px; border-top: 2px solid var(--line-gold); border-left: 2px solid var(--line-gold); }
.panel::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--line-gold); border-right: 2px solid var(--line-gold); }

.panel-head { display: flex; gap: var(--space-4); align-items: flex-start; margin-bottom: var(--space-4); }
.panel-no {
  flex: none;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-gold-soft);
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-top: 4px;
}
.panel-head-text h2 { margin: 0; font-size: 20px; letter-spacing: 0.18em; font-weight: 700; }
.panel-tip { margin: 4px 0 0; font-size: 13px; color: var(--text-dim); }
.sub-title {
  margin: var(--space-5) 0 var(--space-3);
  padding-left: var(--space-3);
  border-left: 3px solid var(--cinnabar);
  font-size: 16px;
  letter-spacing: 0.14em;
  font-weight: 700;
}

/* ---------- 输入卡片 ---------- */
.input-card { display: flex; flex-direction: column; gap: var(--space-4); }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field-label { font-size: 13px; color: var(--text-soft); letter-spacing: 0.12em; padding: 0; }
.field label { font-size: 13px; color: var(--text-soft); letter-spacing: 0.12em; }
.field-hint { font-size: 12px; color: var(--text-dim); }

input[type="datetime-local"], select {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--text-main);
  background: var(--bg-cell);
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--radius);
  padding: 10px 12px;
  min-height: 44px;
  max-width: 320px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
input[type="datetime-local"]:focus, select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(201, 168, 106, 0.18);
}
input[type="datetime-local"]:disabled, select:disabled { color: var(--disabled); background: rgba(11, 17, 28, 0.4); cursor: not-allowed; }

.field-radio { border: none; padding: 0; display: flex; flex-direction: row; flex-wrap: wrap; gap: var(--space-3) var(--space-5); }
.field-radio legend { margin-bottom: var(--space-2); }
.radio-inline { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-soft); cursor: pointer; }
.radio-inline input { accent-color: var(--cinnabar); width: 16px; height: 16px; }

.calib { border: 1px solid var(--line-faint); border-radius: var(--radius); background: rgba(11, 17, 28, 0.35); }
.calib summary { cursor: pointer; padding: 12px 16px; color: var(--text-soft); letter-spacing: 0.1em; font-size: 14px; list-style: none; }
.calib summary::-webkit-details-marker { display: none; }
.calib summary::before { content: "▸ "; color: var(--gold); }
.calib[open] summary::before { content: "▾ "; }
.calib-body { padding: 0 16px 16px; display: flex; flex-direction: column; gap: var(--space-3); }
.calib-toggle { display: inline-flex; gap: 8px; align-items: center; font-size: 14px; color: var(--gold); cursor: pointer; }
.calib-toggle input { accent-color: var(--cinnabar); width: 16px; height: 16px; }
.calib-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-3); }
.calib-note { margin: 0; font-size: 12px; color: var(--text-dim); }

.actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-2); }
.btn-primary, .btn-ghost {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.3em;
  padding: 12px 34px;
  min-height: 46px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.btn-primary {
  background: linear-gradient(180deg, #a63a2c, var(--cinnabar-deep));
  color: #f4ead2;
  border: 1px solid var(--gold);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}
.btn-primary:hover { box-shadow: 0 4px 16px rgba(193, 73, 58, 0.35); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible, .btn-ghost:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-ghost {
  background: transparent;
  color: var(--text-soft);
  border: 1px solid var(--line-gold-soft);
}
.btn-ghost:hover { color: var(--gold); border-color: var(--line-gold); }
.btn-primary[disabled], .btn-ghost[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- 元信息卡 ---------- */
.meta-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--line-faint);
  background: linear-gradient(180deg, rgba(30, 43, 66, 0.55), rgba(14, 22, 38, 0.55));
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
}
.meta-item { min-width: 0; }
.meta-item dt { font-size: 12px; color: var(--text-dim); letter-spacing: 0.14em; margin: 0 0 2px; }
.meta-item dd { margin: 0; font-size: 15px; color: var(--text-main); letter-spacing: 0.06em; }
.meta-item dd.strong { color: var(--gold); }

/* ---------- 九宫盘 ---------- */
.chart-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: var(--space-5); align-items: start; }
.luoshu {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line-gold-soft);
  background: rgba(11, 17, 28, 0.5);
  min-width: 0;
}
.palace-cell {
  position: relative;
  min-height: 148px;
  padding: var(--space-3);
  border: 1px solid var(--line-faint);
  background: var(--bg-cell);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-1);
  overflow: hidden;
  transition: background var(--transition);
}
.palace-cell:hover { background: var(--bg-cell-hover); }
.palace-cell.is-zhi-fu { box-shadow: inset 0 0 0 1px var(--gold); }
.palace-cell.is-zhi-shi::after {
  content: "直使";
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 10px;
  color: #f3d9c9;
  background: var(--cinnabar);
  padding: 1px 5px;
  letter-spacing: 0.1em;
}
.palace-cell.has-ji { background: linear-gradient(180deg, rgba(201, 168, 106, 0.12), rgba(11, 17, 28, 0.62)); }
.palace-cell.has-xiong { background: linear-gradient(180deg, rgba(193, 73, 58, 0.10), rgba(11, 17, 28, 0.62)); }
.palace-cell.is-center { justify-content: center; align-items: center; text-align: center; }

.cell-top { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; }
.cell-tian { font-size: 26px; font-weight: 700; letter-spacing: 0.06em; color: var(--text-main); }
.cell-stars { font-size: 12px; color: var(--text-soft); text-align: right; line-height: 1.5; }
.cell-mid { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.cell-door { font-size: 20px; color: var(--gold); letter-spacing: 0.1em; }
.cell-shen { font-size: 12px; color: var(--text-soft); }
.cell-bottom { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; }
.cell-palace-name { font-size: 13px; color: var(--text-dim); }
.cell-di { font-size: 14px; color: var(--text-dim); letter-spacing: 0.1em; }
.cell-patterns { position: absolute; bottom: 4px; left: 10px; right: 10px; font-size: 10px; color: var(--warn); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; pointer-events: none; }
.center-title { font-size: 13px; color: var(--gold); letter-spacing: 0.2em; margin-bottom: var(--space-1); }
.center-qi { font-size: 24px; font-weight: 700; }
.center-ji { font-size: 12px; color: var(--text-dim); margin-top: var(--space-1); }

.legend { border: 1px solid var(--line-faint); padding: var(--space-4); background: rgba(11, 17, 28, 0.4); }
.legend h3 { margin: 0 0 var(--space-3); font-size: 14px; letter-spacing: 0.18em; color: var(--gold); }
.legend ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.legend li { font-size: 13px; color: var(--text-soft); display: flex; align-items: center; gap: 8px; }
.legend-mark { width: 14px; height: 14px; flex: none; display: inline-block; border: 1px solid var(--line-gold-soft); }
.mark-zf { box-shadow: inset 0 0 0 1px var(--gold); }
.mark-zs { background: var(--cinnabar); }
.mark-ji { background: rgba(201, 168, 106, 0.35); }
.mark-xiong { background: rgba(193, 73, 58, 0.4); }
.legend-line { border-top: 1px dashed var(--line-faint); padding-top: var(--space-2); }

/* ---------- 格局 ---------- */
.pattern-summary { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-4); }
.pattern-summary:empty { display: none; }
.pattern-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.pattern-list li, .palace-patterns li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3);
  border: 1px solid var(--line-faint);
  background: rgba(11, 17, 28, 0.35);
  border-radius: var(--radius);
}
.pattern-list .pat-name, .palace-patterns .pat-name { flex: none; min-width: 92px; font-weight: 700; letter-spacing: 0.08em; }
.pattern-list .pat-text, .palace-patterns .pat-text { margin: 0; color: var(--text-soft); font-size: 14px; }

.tag {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 1px 8px;
  border: 1px solid;
  border-radius: var(--radius);
  margin-top: 2px;
}
.tag-吉 { color: #e8d9a8; border-color: rgba(201, 168, 106, 0.55); background: rgba(201, 168, 106, 0.12); }
.tag-凶 { color: #e8a89d; border-color: rgba(193, 73, 58, 0.6); background: rgba(193, 73, 58, 0.12); }
.tag-和, .tag-义 { color: #a9c3a0; border-color: rgba(126, 160, 95, 0.55); background: rgba(126, 160, 95, 0.1); }
.tag-info { color: var(--text-dim); border-color: var(--line-gold-soft); background: rgba(201, 168, 106, 0.06); }

/* 宫位细参卡片 */
.palace-details {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-3);
}
.palace-card {
  border: 1px solid var(--line-faint);
  border-radius: var(--radius);
  background: rgba(11, 17, 28, 0.35);
  overflow: hidden;
}
.palace-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--line-faint);
  background: linear-gradient(180deg, rgba(30, 43, 66, 0.45), transparent);
}
.palace-card-head h4 { margin: 0; font-size: 16px; letter-spacing: 0.14em; }
.palace-card-head .dir { color: var(--text-dim); font-size: 12px; }
.palace-card-head .door-big { margin-left: auto; color: var(--gold); font-size: 18px; letter-spacing: 0.1em; }
.palace-card-body { padding: var(--space-3) var(--space-4); }
.palace-facts { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 var(--space-3); padding: 0; list-style: none; font-size: 13px; color: var(--text-soft); }
.palace-facts b { color: var(--text-main); font-weight: 600; }
.palace-patterns { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.palace-patterns li { padding: var(--space-2) var(--space-3); }
.empty-palace { font-size: 12px; color: var(--text-dim); margin: 0; }

/* 规则择方摘要 */
.rule-reading {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--line-faint);
  background: rgba(11, 17, 28, 0.35);
}
.rule-reading p { margin: 0; font-size: 14px; color: var(--text-soft); }
.rule-reading b { color: var(--gold); font-weight: 600; }

/* AI 提示 */
.ai-note {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px dashed var(--line-gold-soft);
  background: rgba(11, 17, 28, 0.4);
}
.ai-note-mark {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-gold-soft);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.ai-note p { margin: 0; font-size: 13px; color: var(--text-dim); }

/* ---------- 知识库 ---------- */
.knowledge-list { display: flex; flex-direction: column; gap: var(--space-2); }
.knowledge-item { border: 1px solid var(--line-faint); border-radius: var(--radius); background: rgba(11, 17, 28, 0.35); }
.knowledge-item > summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-3) var(--space-4);
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
}
.knowledge-item > summary::-webkit-details-marker { display: none; }
.knowledge-item > summary::after { content: "＋"; margin-left: auto; color: var(--gold); font-size: 15px; }
.knowledge-item[open] > summary::after { content: "－"; }
.knowledge-no { color: var(--gold); font-size: 13px; letter-spacing: 0.1em; }
.knowledge-title { font-size: 15px; font-weight: 700; letter-spacing: 0.1em; }
.knowledge-summary { font-size: 13px; color: var(--text-dim); }
.knowledge-body { padding: 0 var(--space-4) var(--space-4) var(--space-6); }
.knowledge-body dl { margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.knowledge-body dt { font-size: 13px; color: var(--gold); letter-spacing: 0.08em; }
.knowledge-body dd { margin: 2px 0 0; font-size: 14px; color: var(--text-soft); }
.doc-link { margin-top: var(--space-4); font-size: 13px; color: var(--text-dim); }

/* ---------- 使用边界 ---------- */
.note-list { margin: 0; padding-left: 1.2em; display: flex; flex-direction: column; gap: var(--space-2); }
.note-list li { font-size: 14px; color: var(--text-soft); }

/* ---------- 状态 ---------- */
.state-error {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid rgba(193, 73, 58, 0.6);
  background: rgba(193, 73, 58, 0.1);
  color: #e8a89d;
  font-size: 14px;
}
.is-loading { opacity: 0.55; pointer-events: none; transition: opacity var(--transition); }

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--line-faint);
  padding: var(--space-5) var(--space-4) var(--space-6);
  text-align: center;
}
.site-footer p { margin: 4px 0; font-size: 12px; color: var(--text-dim); letter-spacing: 0.1em; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .chart-wrap { grid-template-columns: 1fr; }
  .legend { order: -1; }
}
@media (max-width: 768px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .header-nav { flex-wrap: wrap; gap: var(--space-3) var(--space-4); }
  .header-nav a { font-size: 13px; }
  main { padding: var(--space-4) var(--space-3); }
  .panel { padding: var(--space-4); }
  .palace-cell { min-height: 128px; padding: var(--space-2); }
  .cell-tian { font-size: 22px; }
  .cell-door { font-size: 17px; }
  .actions .btn-primary, .actions .btn-ghost { flex: 1 1 100%; text-align: center; }
}
@media (max-width: 420px) {
  .brand-text h1 { font-size: 18px; }
  .palace-details { grid-template-columns: 1fr; }
  .palace-cell { min-height: 118px; }
  .cell-stars, .cell-shen { font-size: 11px; }
  .calib-grid { grid-template-columns: 1fr 1fr; }
}

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

/* AI 人文解读 */
.ai-panel { margin-top: var(--space-4); }
.ai-controls { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-3); }
.btn-ai { letter-spacing: 0.14em; padding: 10px 22px; min-height: 42px; }
.ai-status { font-size: 13px; color: var(--text-dim); }
.ai-status.is-ok { color: var(--success); }
.ai-status.is-error { color: var(--error); }
.ai-status.is-warn { color: var(--warn); }
.ai-status.is-loading { color: var(--gold); }
.ai-output { margin-top: var(--space-3); display: flex; flex-direction: column; gap: var(--space-3); }
.ai-summary { padding: var(--space-4); border: 1px solid var(--line-faint); background: rgba(11, 17, 28, 0.35); }
.ai-summary h4, .ai-block h4 { margin: 0 0 var(--space-2); font-size: 14px; letter-spacing: 0.14em; color: var(--gold); }
.ai-summary p { margin: 0; font-size: 14px; color: var(--text-soft); }
.ai-block { padding: var(--space-4); border: 1px solid var(--line-faint); background: rgba(11, 17, 28, 0.35); }
.ai-block ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.ai-block li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: 14px; color: var(--text-soft); }
.ai-block li .pat-name { flex: none; min-width: 88px; font-weight: 700; color: var(--text-main); }
.ai-block p { margin: 0; font-size: 14px; color: var(--text-soft); }
.ai-block .caveat { font-size: 12px; color: var(--text-dim); }

/* 所问之事输入 */
.ai-question { margin-top: var(--space-3); display: flex; flex-direction: column; gap: var(--space-2); }
.ai-question label { font-size: 13px; color: var(--text-soft); letter-spacing: 0.12em; }
.ai-question textarea {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text-main);
  background: var(--bg-cell);
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--radius);
  padding: 10px 12px;
  min-height: 76px;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.ai-question textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(201, 168, 106, 0.18); }