/* ============================================================
   梅花易数 · 传统文化学习工具 —— 新中式宣纸风格
   配色：宣纸米白 / 墨色 / 朱砂红
   ============================================================ */

:root {
  --bg: #f5f0e6;
  --bg-card: #fdfaf3;
  --ink: #2b2620;
  --ink-light: #6b6258;
  --cinnabar: #a03a2b;
  --cinnabar-dark: #842f22;
  --gold: #b78a3f;
  --border: #e2d8c4;
  --shadow: 0 4px 20px rgba(60, 45, 25, 0.06);
  --radius: 14px;
  --serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  --kai: "Kaiti SC", "STKaiti", "KaiTi", "Noto Serif SC", serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--serif);
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse at top, rgba(160, 58, 43, 0.04), transparent 55%),
    radial-gradient(ellipse at bottom, rgba(183, 138, 63, 0.05), transparent 50%);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 顶部装饰线 */
.bg-deco {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cinnabar), var(--gold), var(--cinnabar));
  z-index: 10;
}

.container {
  width: 100%;
  max-width: 960px;
  padding: 48px 20px 40px;
  flex: 1;
}

/* ---------- Header ---------- */
.site-header {
  text-align: center;
  margin-bottom: 28px;
}

.seal {
  width: 68px;
  height: 68px;
  margin: 0 auto 16px;
  background: var(--cinnabar);
  color: #fdf8f0;
  font-family: var(--kai);
  font-size: 40px;
  line-height: 68px;
  text-align: center;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(160, 58, 43, 0.28), inset 0 0 0 3px rgba(255, 255, 255, 0.12);
  letter-spacing: 0;
  user-select: none;
}

.site-title {
  font-family: var(--kai);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--ink);
}

.subtitle {
  margin-top: 6px;
  font-size: 14px;
  color: var(--cinnabar);
  letter-spacing: 3px;
}

.tagline {
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-light);
  letter-spacing: 1px;
}

/* ---------- 简介卡 ---------- */
.intro-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  font-size: 14px;
  color: var(--ink-light);
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.tab-btn {
  flex: 1;
  padding: 12px 0;
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--ink-light);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.tab-btn:hover { border-color: var(--cinnabar); color: var(--cinnabar); }

.tab-btn.active {
  background: var(--cinnabar);
  color: #fdf8f0;
  border-color: var(--cinnabar);
  box-shadow: 0 4px 12px rgba(160, 58, 43, 0.25);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- 表单 ---------- */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
}

.form-row { display: flex; flex-direction: column; gap: 6px; }

.form-row label {
  font-size: 14px;
  color: var(--ink);
  letter-spacing: 2px;
}

.form-row input,
.form-row select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-row select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b6258' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 34px;
}

.form-row input:focus,
.form-row select:focus {
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 3px rgba(160, 58, 43, 0.08);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

.form-row input.invalid {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.15);
  animation: shake 0.4s ease;
}

.btn-primary {
  grid-column: 1 / -1;
  padding: 14px;
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 6px;
  color: #fdf8f0;
  background: linear-gradient(135deg, var(--cinnabar), var(--cinnabar-dark));
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 6px 16px rgba(160, 58, 43, 0.3);
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(160, 58, 43, 0.38); }
.btn-primary:active { transform: translateY(0); }

.btn-group {
  grid-column: 1 / -1;
  display: flex;
  gap: 12px;
}

/* 起卦方式切换 */
.form-row-full {
  grid-column: 1 / -1;
}

.mode-switch {
  display: flex;
  gap: 8px;
}

.mode-btn {
  flex: 1;
  padding: 10px 0;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--ink-light);
  background: #fffdf8;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-btn:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.mode-btn.active {
  background: var(--cinnabar);
  color: #fdf8f0;
  border-color: var(--cinnabar);
  box-shadow: 0 3px 10px rgba(160, 58, 43, 0.25);
}

.btn-secondary {
  flex: 1;
  padding: 14px;
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--cinnabar);
  background: #fffdf8;
  border: 1px solid var(--cinnabar);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover { background: rgba(160, 58, 43, 0.06); }

.btn-group .btn-primary { flex: 2; }

.form-tip {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--ink-light);
  line-height: 1.7;
}

.form-tip.active {
  color: var(--cinnabar);
  background: rgba(160, 58, 43, 0.06);
  border-radius: 8px;
  padding: 8px 12px;
}

/* ---------- 结果区 ---------- */
.result {
  display: none;
  margin-top: 28px;
  flex-direction: column;
  gap: 20px;
}

.result.show { display: flex; }

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.panel-title {
  font-family: var(--kai);
  font-size: 18px;
  letter-spacing: 3px;
  color: var(--cinnabar);
  border-bottom: 1px dashed var(--border);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

/* 排盘三列 */
.panels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.panels-grid.two { grid-template-columns: repeat(2, 1fr); }

/* 卦块 */
.gua-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  box-shadow: var(--shadow);
}

.gua-block-head { margin-bottom: 10px; }

.gua-title {
  display: inline-block;
  font-size: 12px;
  color: var(--cinnabar);
  letter-spacing: 2px;
  border: 1px solid var(--cinnabar);
  border-radius: 20px;
  padding: 2px 12px;
  margin-bottom: 8px;
}

.gua-name {
  display: block;
  font-family: var(--kai);
  font-size: 20px;
  letter-spacing: 2px;
  color: var(--ink);
  margin-top: 6px;
}

.gua-symbols {
  font-size: 34px;
  letter-spacing: 8px;
  color: var(--ink);
  margin-bottom: 14px;
  user-select: none;
}

.gua-symbol { display: inline-block; }

/* 六爻图 */
.gua-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 10px 0;
}

.yao-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  justify-content: center;
}

.yao-name {
  font-size: 12px;
  color: var(--ink-light);
  width: 22px;
  text-align: right;
}

.line.yang-line {
  width: 84px;
  height: 8px;
  background: var(--ink);
  border-radius: 2px;
}

.line.yin-line {
  width: 84px;
  display: flex;
  justify-content: space-between;
}

.line.yin-line i {
  width: 34px;
  height: 8px;
  background: var(--ink);
  border-radius: 2px;
}

.dong-mark {
  font-size: 12px;
  color: #fdf8f0;
  background: var(--cinnabar);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
}

/* 动爻高亮 */
.yao-row.dong .line.yang-line,
.yao-row.dong .line.yin-line i { background: var(--cinnabar); }

/* 卦辞 */
.guaci {
  margin-top: 12px;
  font-size: 13px;
  text-align: left;
  background: #faf5ea;
  border-radius: 8px;
  padding: 10px 12px;
  line-height: 1.7;
}

.guaci-label {
  display: block;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 2px;
}

.guaci-text { color: var(--ink); }

/* 动爻信息 */
.dongyao-info {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--ink);
}

.dongyao-info b { color: var(--cinnabar); font-size: 18px; }

.dongyao-ci {
  font-size: 14px;
  color: var(--ink);
  background: #faf5ea;
  border-left: 3px solid var(--cinnabar);
  border-radius: 6px;
  padding: 10px 14px;
}

/* 体用 */
.tiyong-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tiyong-item {
  text-align: center;
  padding: 16px;
  border-radius: 10px;
  background: #faf5ea;
  border: 1px solid var(--border);
}

.tiyong-item.ti { border-color: var(--cinnabar); }

.tiyong-symbol { font-size: 40px; }

.tiyong-name {
  font-family: var(--kai);
  font-size: 17px;
  margin-top: 6px;
  letter-spacing: 2px;
}

.tiyong-wx { font-size: 13px; margin-top: 4px; }

/* 生克 & 旺衰 */
.rel-tag, .ws-tag {
  display: inline-block;
  font-size: 15px;
  font-family: var(--kai);
  letter-spacing: 2px;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.rel-tag { background: rgba(160, 58, 43, 0.1); color: var(--cinnabar); border: 1px solid rgba(160, 58, 43, 0.3); }

.ws-tag.wang { background: rgba(183, 138, 63, 0.12); color: #8a6522; border: 1px solid rgba(183, 138, 63, 0.4); }
.ws-tag.xiang { background: rgba(74, 124, 89, 0.1); color: #3d6b4d; border: 1px solid rgba(74, 124, 89, 0.3); }
.ws-tag.xiu { background: rgba(74, 110, 140, 0.1); color: #3d5f7a; border: 1px solid rgba(74, 110, 140, 0.3); }
.ws-tag.qiu { background: rgba(160, 102, 42, 0.1); color: #8a5a22; border: 1px solid rgba(160, 102, 42, 0.3); }
.ws-tag.shuai { background: rgba(107, 98, 88, 0.1); color: #6b6258; border: 1px solid rgba(107, 98, 88, 0.3); }

.rel-short {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 8px;
}

.rel-main {
  font-size: 14px;
  color: var(--ink-light);
  margin-bottom: 8px;
}

.rel-note {
  font-size: 13px;
  color: var(--gold);
  font-style: italic;
}

/* 卦义解读 */
.interp-text { font-size: 14px; color: var(--ink); margin-bottom: 10px; }
.interp-bian { font-size: 14px; color: var(--ink-light); }

/* 万物类象 */
.leixiang-card {
  background: #faf5ea;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.lx-head {
  font-family: var(--kai);
  font-size: 15px;
  color: var(--cinnabar);
  letter-spacing: 2px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border);
}

.lx-row {
  display: flex;
  gap: 10px;
  font-size: 13px;
  padding: 3px 0;
}

.lx-label {
  flex: 0 0 44px;
  color: var(--gold);
  letter-spacing: 1px;
}

.lx-value { color: var(--ink); }

/* 错误提示 */
.error-tip {
  background: #fdf0ee;
  border: 1px solid rgba(160, 58, 43, 0.3);
  color: var(--cinnabar);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 15px;
}

/* ---------- Footer ---------- */
.site-footer {
  width: 100%;
  max-width: 960px;
  padding: 20px;
  text-align: center;
}

.disclaimer {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 16px;
}

.disclaimer strong {
  display: block;
  color: var(--cinnabar);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.copyright {
  font-size: 12px;
  color: var(--ink-light);
  letter-spacing: 1px;
}

/* ---------- 头部操作按钮 ---------- */
.header-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 12px;
}

.ghost-btn {
  padding: 6px 14px;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--cinnabar);
  background: transparent;
  border: 1px solid var(--cinnabar);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ghost-btn:hover { background: rgba(160, 58, 43, 0.08); }

/* ---------- 主功能导航 ---------- */
.main-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.nav-btn {
  flex: 1;
  padding: 10px 0;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--ink-light);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-btn:hover { color: var(--cinnabar); }
.nav-btn.active { color: var(--cinnabar); border-bottom-color: var(--cinnabar); }

.view { display: none; }
.view.active { display: block; }

.panel-desc {
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 14px;
  line-height: 1.7;
}

/* ---------- 结果工具栏 ---------- */
.result-toolbar {
  display: flex;
  justify-content: flex-end;
}

/* ---------- 术语提示 ---------- */
.term-hint {
  display: inline-block;
  margin-left: 8px;
  width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  font-size: 12px;
  color: var(--cinnabar);
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
  cursor: pointer;
  vertical-align: middle;
  user-select: none;
}

/* ---------- 错卦综卦 ---------- */
.cuozong-note {
  font-size: 12px;
  color: var(--ink-light);
  margin-top: -10px;
  margin-bottom: 4px;
  text-align: center;
}

/* ---------- 断卦教学 ---------- */
.jiaoxue-text {
  font-size: 13px;
  color: var(--ink-light);
  line-height: 1.8;
  background: #faf5ea;
  border-left: 3px solid var(--gold);
  border-radius: 6px;
  padding: 10px 14px;
}

/* ---------- Modal 弹窗 ---------- */
.modal-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(30, 22, 14, 0.45);
  z-index: 100;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
}

.modal-mask.open { display: flex; }

.modal-box {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  max-height: 85vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 26px;
  line-height: 1;
  color: var(--ink-light);
  background: none;
  border: none;
  cursor: pointer;
}

.modal-title {
  font-family: var(--kai);
  font-size: 20px;
  letter-spacing: 3px;
  color: var(--cinnabar);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
}

/* ---------- 卦详情弹窗 ---------- */
.detail-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.detail-symbols { font-size: 40px; letter-spacing: 4px; color: var(--ink); }
.detail-name { font-family: var(--kai); font-size: 24px; letter-spacing: 3px; color: var(--ink); }

.detail-meta { font-size: 13px; color: var(--ink-light); margin-bottom: 12px; }

.detail-guaci {
  font-size: 14px;
  background: #faf5ea;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 14px;
  line-height: 1.7;
}

.detail-section {
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 2px;
  margin: 12px 0 6px;
  padding-bottom: 4px;
  border-bottom: 1px dashed var(--border);
}

.detail-yaoci {
  font-size: 14px;
  color: var(--ink);
  padding: 4px 0;
  line-height: 1.6;
}

.detail-interp { font-size: 14px; color: var(--ink-light); line-height: 1.8; }

/* ---------- 类象查阅 ---------- */
.bagua-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.bagua-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 6px;
  background: #fffdf8;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--serif);
}

.bagua-btn:hover { border-color: var(--cinnabar); }
.bagua-btn.active { border-color: var(--cinnabar); background: rgba(160, 58, 43, 0.06); }

.bagua-btn-symbol { font-size: 28px; color: var(--ink); }
.bagua-btn-name { font-size: 14px; color: var(--ink); letter-spacing: 2px; }

/* ---------- 卦例 / 典籍 ---------- */
.anli-card, .dianji-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.anli-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.anli-title { font-family: var(--kai); font-size: 18px; color: var(--cinnabar); letter-spacing: 2px; }
.anli-source { font-size: 12px; color: var(--ink-light); }
.anli-time { font-size: 13px; color: var(--gold); margin-bottom: 8px; }

.anli-block { margin-bottom: 8px; }
.anli-label { display: inline-block; font-size: 12px; color: var(--gold); letter-spacing: 2px; margin-right: 6px; }
.anli-text { font-size: 14px; color: var(--ink); line-height: 1.8; }

.anli-gua {
  font-size: 14px;
  color: var(--cinnabar);
  margin: 8px 0;
  padding: 6px 10px;
  background: rgba(160, 58, 43, 0.06);
  border-radius: 6px;
}

.dianji-title { font-family: var(--kai); font-size: 18px; color: var(--cinnabar); letter-spacing: 2px; margin-bottom: 10px; }

/* ---------- 术语词典 ---------- */
.term-item {
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
}
.term-item:last-child { border-bottom: none; }
.term-name { font-size: 16px; color: var(--ink); font-family: var(--kai); letter-spacing: 2px; margin-bottom: 4px; }
.term-pinyin { font-size: 12px; color: var(--gold); letter-spacing: 1px; }
.term-explain { font-size: 14px; color: var(--ink-light); line-height: 1.7; }

/* ---------- 历史记录 ---------- */
.history-empty { text-align: center; color: var(--ink-light); font-size: 14px; padding: 20px; }

.history-list { margin-top: 12px; max-height: 55vh; overflow-y: auto; }

.history-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 10px;
  background: #fffdf8;
}

.history-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.history-time { font-size: 13px; color: var(--ink-light); }
.history-method { font-size: 12px; color: var(--cinnabar); }
.history-del {
  margin-left: auto;
  font-size: 12px;
  color: var(--cinnabar);
  background: none;
  border: none;
  cursor: pointer;
}

.history-input { font-size: 13px; color: var(--gold); margin-bottom: 2px; }
.history-summary { font-size: 13px; color: var(--ink); line-height: 1.6; }

/* ---------- 深色书卷主题 ---------- */
body.dark {
  --bg: #1e1a16;
  --bg-card: #2a241d;
  --ink: #e8dfcf;
  --ink-light: #b8ad9a;
  --cinnabar: #d06a58;
  --cinnabar-dark: #b85344;
  --gold: #c9a35f;
  --border: #42392c;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

body.dark .intro-card,
body.dark .form-card,
body.dark .panel,
body.dark .gua-block,
body.dark .leixiang-card,
body.dark .guaci,
body.dark .dongyao-ci,
body.dark .jiaoxue-text,
body.dark .detail-guaci,
body.dark .tiyong-item,
body.dark .anli-card,
body.dark .dianji-card,
body.dark .disclaimer { background: var(--bg-card); }

body.dark .form-row input,
body.dark .form-row select,
body.dark .bagua-btn,
body.dark .mode-btn,
body.dark .history-item { background: #322a21; color: var(--ink); border-color: var(--border); }

body.dark .line.yang-line,
body.dark .line.yin-line i { background: var(--ink); }
body.dark .yao-row.dong .line.yang-line,
body.dark .yao-row.dong .line.yin-line i { background: var(--cinnabar); }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .container { padding: 32px 14px 24px; }

  .site-title { font-size: 28px; letter-spacing: 4px; }
  .seal { width: 56px; height: 56px; font-size: 32px; line-height: 56px; }

  .form-card { grid-template-columns: 1fr; }

  .panels-grid { grid-template-columns: 1fr; }
  .panels-grid.two { grid-template-columns: 1fr; }

  .tab-btn { font-size: 15px; letter-spacing: 1px; }
  .nav-btn { font-size: 14px; letter-spacing: 1px; }
  .bagua-selector { grid-template-columns: repeat(4, 1fr); }
}