/* ─────────────────────────────────────────────────
   chinese.css · 中国风 theme (R2)
   继承金大厨 page 工艺：鎏金层次 token + Bodoni Moda italic + 装饰渐变
   配色保留 朱红 + 鎏金 + 暖宣纸（不是金大厨的暖橙 — 这家是中泰融合）
────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Bodoni+Moda:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600&family=Inter:wght@400;500;600&display=swap');

:root {
  /* 鎏金层次（8 档，参 金大厨 token 体系）*/
  --gold: #C9A961;
  --gold-bright: #E5C77A;
  --gold-dark: #A8884A;
  --gold-deep: #8B6F35;
  --border-gold: rgba(201, 169, 97, 0.22);
  --border-gold-strong: rgba(201, 169, 97, 0.5);
  --line-gold-wash: rgba(201, 169, 97, 0.08);
  --shadow-gold: rgba(201, 169, 97, 0.15);

  /* 朱红层次 */
  --vermilion: #8B1A1A;
  --vermilion-deep: #7A1F1F;
  --vermilion-soft: #B84545;

  /* 暖宣纸 / 米色 4 档 */
  --rice-paper: #F8F2E6;
  --rice-paper-2: #FBF8F3;
  --rice-paper-3: #FDFBF6;
  --cream-dim: #EFE6D2;

  /* 墨 / 文字 */
  --ink: #2A1B0F;
  --ink-soft: #4A3525;
  --ink-dim: #6B5236;

  /* Topbar 暗 */
  --bg-dark: #1A1108;
  --bg-deep: #2A1B0F;

  /* 字体 */
  --serif-en: 'Bodoni Moda', 'Noto Serif SC', Georgia, serif;
  --serif-cn: 'Noto Serif SC', 'STSong', '宋体', serif;
  --sans-cn: 'Noto Sans SC', 'Inter', 'PingFang SC', 'Hiragino Sans GB', system-ui, sans-serif;
  --sans-en: 'Inter', 'Noto Sans SC', system-ui, sans-serif;

  /* 把 base.css 的变量映射到中国风 token */
  --color-accent: var(--gold);
  --color-accent-text: var(--ink);
  --color-text: var(--ink);
  --color-text-soft: var(--ink-soft);
  --color-bg: var(--rice-paper);
  --color-card: var(--rice-paper-2);
  --color-card-header: var(--rice-paper);
  --color-border: var(--border-gold);
  --color-skeleton: var(--cream-dim);

  --color-topbar: var(--rice-paper);
  --color-topbar-text: var(--ink);
  --color-topbar-border: var(--border-gold);

  --color-action-bg: var(--line-gold-wash);
  --color-action-bg-hover: rgba(201, 169, 97, 0.18);

  --font-display: var(--serif-cn);
  --font-body: var(--sans-cn);
}

body { font-weight: 400; }

/* ============================================
   Topbar — 编辑感 Hero 化（R2 P0-2）
   去朱红实色块 → 鎏金渐变细线 + 米色底 + 双语
============================================ */

.topbar {
  background: var(--rice-paper-3) !important;
  color: var(--ink) !important;
  border-bottom: none;
  position: relative;
  padding: 1rem 1.5rem;
  box-shadow: 0 1px 0 var(--border-gold);
}
.topbar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 30%, var(--gold) 70%, transparent 100%);
}
.topbar-oko {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.18em;
  color: var(--gold-dark);
  text-transform: uppercase;
}
.topbar-store {
  font-family: var(--serif-cn);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--ink);
}
.topbar-period {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--ink-dim);
  letter-spacing: 0.08em;
}
.topbar-sep { color: var(--gold-dark); opacity: 0.5; }

.btn-link {
  font-family: var(--serif-en);
  font-style: italic;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.78rem;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold-dark);
  padding: 0.45rem 1rem;
  transition: all 0.3s;
}
.btn-link:hover {
  background: var(--gold);
  color: var(--rice-paper);
  letter-spacing: 0.18em;
}

/* ============================================
   Hero — 编辑感大留白 + 章节编号 + 鎏金渐变细线
============================================ */

.hero {
  background: var(--rice-paper-3);
  border: 1px solid var(--border-gold);
  padding: 4rem 2.5rem 3.5rem;
  margin-bottom: 4rem;
  text-align: left;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold) 50%, transparent);
}
/* 左上 + 右下两个鎏金角标（金大厨 contract-meta 工艺）*/
.hero::after {
  content: '';
  position: absolute;
  bottom: 12px; right: 12px;
  width: 24px; height: 24px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}

.hero-title {
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: 3rem;
  color: var(--vermilion);
  margin: 0 0 0.5em;
  letter-spacing: 0.08em;
  line-height: 1.15;
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
}
@media (max-width: 768px) {
  .hero-title { font-size: 2.25rem; }
}
/* Hero 4 KPI cards (R3 P1-3) */
.hero-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
}
@media (max-width: 768px) {
  .hero-kpis { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
}
.kpi {
  background: var(--rice-paper-3);
  border: 1px solid var(--border-gold);
  border-left: 2px solid var(--vermilion);
  padding: 0.85rem 1rem;
  position: relative;
}
.kpi-label {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 0.72rem;
  color: var(--gold-dark);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}
.kpi-value {
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin: 0;
}
.kpi-value strong {
  color: var(--vermilion);
  font-weight: 700;
}
.kpi-unit {
  font-family: var(--sans-cn);
  font-size: 0.78rem;
  color: var(--ink-dim);
  font-weight: 400;
  margin-left: 0.2rem;
}
.hero-subtitle {
  font-family: var(--serif-en);
  font-style: italic;
  color: var(--ink-dim);
  font-size: 1.05rem;
  margin: 0 0 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-gold);
  letter-spacing: 0.08em;
  opacity: 1;
}
.hero-stats {
  display: flex; flex-wrap: wrap;
  justify-content: flex-start; gap: 2rem;
  margin-top: 0.5rem;
  font-family: var(--sans-cn);
  font-size: 0.95rem;
}
.hero-stats .stat {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

/* ============================================
   章节 / 月份分档 — 编号 + 鎏金细线 + Bodoni italic
   (R2 P0-1: 核心招式)
============================================ */

.month {
  background: transparent;
  border: none;
  border-radius: 0;
  margin-bottom: 4.5rem;
  overflow: visible;
}
.month {
  position: relative;
  padding-top: 2rem;
}
.month::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 30%, var(--gold) 70%, transparent 100%);
}
.month:first-child::before { display: none; }

.month-header {
  background: transparent;
  border-bottom: 1px solid var(--border-gold);
  padding: 0 0 1rem;
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: 2rem;
  color: var(--vermilion);
  letter-spacing: 0.08em;
  margin-bottom: 2.5rem;
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
}
.month-header::before {
  content: attr(data-chapter);
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 400;
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.month-header::after {
  content: '▾';
  position: absolute;
  right: 0; top: 0.3rem;
  font-size: 0.9rem;
  color: var(--gold-dark);
  opacity: 0.6;
}
details:not([open]) .month-header::after { transform: rotate(-90deg); }
.month-header .month-summary {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--gold-dark);
  letter-spacing: 0.1em;
  margin-left: auto;
  margin-right: 2rem;
}
.month-body { padding: 0; }

.type-group { margin-bottom: 3rem; }
.type-group-title {
  font-family: var(--serif-cn);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--ink);
  letter-spacing: 0.06em;
  margin: 0 0 1.5rem;
  padding-bottom: 0.7rem;
  padding-left: 1.25rem;
  position: relative;
  border-bottom: none;
}
.type-group-title::before {
  content: '';
  position: absolute;
  left: 0; top: 0.4rem; bottom: 0.9rem;
  width: 3px;
  background: var(--vermilion);
}
.type-group-title::after {
  content: '';
  position: absolute;
  left: 1.25rem; bottom: 0;
  width: 56px; height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

/* ============================================
   素材卡片 — 鎏金细边 + 4 角装饰 + 编辑感编号
   (R2 P0-3)
============================================ */

.card {
  background: var(--rice-paper-3);
  border: 1px solid var(--border-gold);
  border-radius: 0;
  position: relative;
  box-shadow: 0 1px 0 var(--border-gold), 0 6px 18px rgba(60, 40, 20, 0.05);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.card::before, .card::after {
  content: '';
  position: absolute;
  width: 10px; height: 10px;
  pointer-events: none;
  transition: width 0.3s, height 0.3s, border-color 0.3s;
}
.card::before {
  top: -1px; left: -1px;
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
}
.card::after {
  bottom: -1px; right: -1px;
  border-bottom: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-gold-strong);
  box-shadow: 0 10px 30px var(--shadow-gold);
}
.card:hover::before, .card:hover::after {
  width: 16px; height: 16px;
  border-color: var(--gold-bright);
}

.card-type-badge {
  background: var(--bg-dark);
  color: var(--gold);
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.75rem;
  border-radius: 0;
  text-transform: uppercase;
  border: 1px solid var(--gold);
}
.card-favorite-btn {
  background: rgba(26, 17, 8, 0.7);
  color: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 50%;
  width: 34px; height: 34px;
}
.card-favorite-btn[data-active="true"] {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 0 12px var(--gold);
}

.card-body { padding: 1.25rem 1.25rem 1rem; }
.card-caption {
  font-family: var(--sans-cn);
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.75;
}
.card-time {
  font-family: var(--serif-en);
  font-style: italic;
  color: var(--ink-dim);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-gold);
  margin-top: 0.75rem;
  margin-bottom: 0.5rem;
}
.card-time strong { color: var(--gold-dark); font-style: normal; }
.card-hashtags {
  font-family: var(--sans-en);
  color: var(--gold-dark);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  opacity: 0.95;
}

/* ============================================
   按钮组 — 复制 / 下载 + 7 平台分享
   (R2 P1-4: 48×48 触控 + 鎏金 wash 底 + 2 行)
============================================ */

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin: 0.75rem 0 1rem;
}
.btn-action {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  background: var(--line-gold-wash);
  border: 1px solid var(--border-gold);
  color: var(--ink);
  padding: 0.6rem 0;
  border-radius: 0;
  transition: all 0.25s;
}
.btn-action:hover {
  background: var(--gold);
  color: var(--rice-paper);
  border-color: var(--gold);
}

.card-share-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4rem;
  margin-top: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-gold);
}
@media (max-width: 480px) {
  .card-share-row { grid-template-columns: repeat(4, 1fr); }
}
.btn-share {
  /* background / color 用 inline style 注入（品牌色） */
  border: 0;
  padding: 0;
  min-height: 44px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}
.btn-share:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
}
.btn-share .share-svg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-share .share-svg svg {
  width: 20px; height: 20px;
  display: block;
}

/* ============================================
   Sidebar — 瘦身 + 鎏金 active 指示
   (R2 P1-5)
============================================ */

@media (min-width: 769px) {
  .layout { grid-template-columns: 190px 1fr; gap: 3rem; }
}

.sidebar {
  font-family: var(--sans-cn);
  font-size: 0.88rem;
}
.sidebar-nav details {
  border-bottom: 1px solid var(--border-gold);
  padding: 0.6rem 0;
}
.sidebar-nav summary {
  font-family: var(--serif-cn);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.sidebar-nav details[open] summary {
  border-left: 2px solid var(--gold);
  padding-left: 0.6rem;
}
.sidebar-nav summary::after {
  color: var(--gold-dark);
  opacity: 0.7;
}
.sidebar-nav li a {
  font-family: var(--sans-cn);
  color: var(--ink-soft);
  font-size: 0.85rem;
}
.sidebar-nav li a:hover {
  color: var(--gold-dark);
  background: var(--line-gold-wash);
  padding-left: 0.4rem;
}
.sidebar-nav li .count {
  font-family: var(--serif-en);
  font-style: italic;
  color: var(--gold-dark);
  opacity: 0.6;
  font-size: 0.78rem;
}

.sidebar-favorites {
  background: var(--rice-paper-3);
  border: 1px solid var(--border-gold);
  border-radius: 0;
  font-family: var(--sans-cn);
  position: relative;
}
.sidebar-favorites::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.favorites-count {
  background: var(--gold);
  color: var(--ink);
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 500;
}

/* ============================================
   Gate dialog 美化（参 金大厨 contract-gate）
============================================ */

dialog#gate::backdrop {
  background: rgba(26, 17, 8, 0.92);
  backdrop-filter: blur(16px);
}
.gate-card {
  background: var(--rice-paper-3);
  border: 1px solid var(--border-gold);
  border-radius: 0;
  position: relative;
  padding: 3.5rem 2.5rem 2.5rem;
  max-width: 520px;
  width: calc(100vw - 2rem);
  text-align: center;
}

/* 朱红印章 logo（R3 P1-4 仪式感）*/
.gate-seal {
  width: 90px; height: 90px;
  margin: 0 auto 1.5rem;
  background: var(--vermilion);
  color: var(--rice-paper);
  font-family: var(--serif-en);
  font-weight: 700;
  font-style: italic;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 4px 24px rgba(139, 26, 26, 0.25);
}
.gate-seal::before, .gate-seal::after {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid var(--gold);
  pointer-events: none;
  animation: gate-ring 3s ease-in-out infinite;
}
.gate-seal::after {
  inset: -16px;
  opacity: 0.4;
  animation-delay: 0.4s;
}
@keyframes gate-ring {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.04); opacity: 1; }
}
.gate-seal-text {
  position: relative;
  z-index: 1;
}

.gate-overline {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--gold-dark);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin: 0 0 1.5rem;
}
.gate-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.gate-card::after {
  content: '';
  position: absolute;
  bottom: 16px; right: 16px;
  width: 28px; height: 28px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}
.gate-card header { margin-bottom: 2rem; }
.gate-card h1 {
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: 2.25rem;
  color: var(--vermilion);
  letter-spacing: 0.15em;
  margin-bottom: 0.5em;
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
}
.gate-card header p {
  font-family: var(--serif-en);
  font-style: italic;
  color: var(--gold-dark);
  letter-spacing: 0.12em;
  font-size: 0.9rem;
}
.gate-body {
  font-family: var(--sans-cn);
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.85;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-gold);
}
.gate-agree {
  font-family: var(--sans-cn);
  color: var(--ink);
  font-size: 0.92rem;
}

.btn-primary {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--vermilion);
  color: var(--rice-paper);
  border: 1px solid var(--vermilion);
  border-radius: 0;
  padding: 1rem 1.5rem;
  font-size: 0.95rem;
  transition: all 0.4s;
  box-shadow: 0 4px 12px rgba(139, 26, 26, 0.2);
}
.btn-primary:hover {
  background: var(--vermilion-deep);
  color: var(--rice-paper);
  letter-spacing: 0.22em;
  transform: none;
  box-shadow: 0 6px 18px rgba(139, 26, 26, 0.35);
}
.gate-agree input { accent-color: var(--vermilion); }

/* ============================================
   Favorites section
============================================ */

.favorites-section h2 {
  font-family: var(--serif-cn);
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.08em;
  font-size: 1.8rem;
  position: relative;
  padding-left: 56px;
  margin-bottom: 1.5rem;
}
.favorites-section h2::before {
  content: '★';
  position: absolute;
  left: 0; top: -2px;
  font-family: var(--serif-en);
  font-style: italic;
  color: var(--gold);
  font-size: 1.5rem;
}
.empty-state {
  font-family: var(--serif-en);
  font-style: italic;
  color: var(--ink-dim);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}