/* ==========================================================
   历史人物志 · 样式
   配色：宣纸底 + 墨色字 + 朱砂印，支持浅色 / 深色
   ========================================================== */

:root {
  --paper: #f6f1e7;
  --paper-2: #fffdf8;
  --paper-soft: #efe8da;
  --ink: #20242b;
  --ink-soft: #474d57;
  --muted: #7b808a;
  --line: rgba(32, 36, 43, 0.14);
  --line-strong: rgba(32, 36, 43, 0.24);
  --accent: #a8322a;
  --accent-soft: rgba(168, 50, 42, 0.1);
  --jade: #2f6f5e;
  --gold: #9a7b45;
  --shadow-sm: 0 1px 2px rgba(32, 36, 43, 0.06);
  --shadow-md: 0 10px 28px -12px rgba(32, 36, 43, 0.28);
  --shadow-lg: 0 24px 60px -28px rgba(32, 36, 43, 0.35);
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif;
  --font-body: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --seal-bg: #a8322a;
  --seal-ink: #fdf6e8;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14161a;
    --paper-2: #1b1e24;
    --paper-soft: #20242b;
    --ink: #e9e7e1;
    --ink-soft: #c2c0ba;
    --muted: #8f949d;
    --line: rgba(233, 231, 225, 0.14);
    --line-strong: rgba(233, 231, 225, 0.26);
    --accent: #d8645a;
    --accent-soft: rgba(216, 100, 90, 0.14);
    --jade: #6fb3a0;
    --gold: #c9a86a;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 10px 28px -12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 24px 60px -28px rgba(0, 0, 0, 0.7);
    --seal-bg: #a8322a;
    --seal-ink: #fdf6e8;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #14161a;
  --paper-2: #1b1e24;
  --paper-soft: #20242b;
  --ink: #e9e7e1;
  --ink-soft: #c2c0ba;
  --muted: #8f949d;
  --line: rgba(233, 231, 225, 0.14);
  --line-strong: rgba(233, 231, 225, 0.26);
  --accent: #d8645a;
  --accent-soft: rgba(216, 100, 90, 0.14);
  --jade: #6fb3a0;
  --gold: #c9a86a;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 28px -12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 24px 60px -28px rgba(0, 0, 0, 0.7);
  --seal-bg: #a8322a;
  --seal-ink: #fdf6e8;
  color-scheme: dark;
}

/* 年代色：与 js/data.js 中 ERAS 顺序对应 */
.era-0 { --seal-bg: #8c2f28; --era-hue: 8; }    /* 先秦 · 朱砂 */
.era-1 { --seal-bg: #7a4a1f; --era-hue: 30; }   /* 秦汉 · 赭石 */
.era-2 { --seal-bg: #2f5a4a; --era-hue: 155; }  /* 三国两晋 · 松绿 */
.era-3 { --seal-bg: #9a6b1f; --era-hue: 40; }   /* 隋唐 · 鎏金 */
.era-4 { --seal-bg: #34536f; --era-hue: 210; }  /* 宋元 · 黛蓝 */
.era-5 { --seal-bg: #5c3b6e; --era-hue: 275; }  /* 明清 · 紫檀 */
.era-6 { --seal-bg: #444a52; --era-hue: 215; }  /* 近现代 · 墨灰 */

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }

/* 保证 hidden 属性优先于组件的 display 规则 */
[hidden] { display: none !important; }

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

body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    radial-gradient(ellipse at 12% 0%, rgba(168, 50, 42, 0.05), transparent 55%),
    radial-gradient(ellipse at 88% 8%, rgba(47, 111, 94, 0.05), transparent 50%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

::selection { background: var(--accent); color: #fffdf8; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  transition: background 0.18s ease, color 0.18s ease;
}

.nav-link:hover { background: var(--paper-soft); color: var(--ink); }
.nav-link.is-active { color: var(--accent); }

.nav-btn {
  background: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper-2);
  color: var(--ink-soft);
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.theme-toggle:hover { transform: rotate(-12deg); border-color: var(--line-strong); }

/* ---------- 印章 ---------- */
.seal {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 8px;
  background: var(--seal-bg, var(--accent));
  color: var(--seal-ink);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18), var(--shadow-sm);
}

.seal-sm {
  width: 30px;
  height: 30px;
  font-size: 1rem;
  border-radius: 6px;
}

.seal-lg {
  width: 96px;
  height: 96px;
  font-size: 3.1rem;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.2), var(--shadow-md);
}

/* ---------- 首页 Hero ---------- */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.hero {
  padding: clamp(48px, 8vw, 92px) 0 clamp(28px, 4vw, 44px);
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 6.2vw, 4.1rem);
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.hero-sub {
  margin: 22px 0 0;
  max-width: 600px;
  color: var(--ink-soft);
  font-size: 1rem;
}

.hero-sub strong { color: var(--accent); font-weight: 600; }

/* ---------- 搜索框 ---------- */
.search {
  position: relative;
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.search-icon {
  width: 19px;
  height: 19px;
  flex: none;
  color: var(--muted);
}

.search input {
  flex: 1;
  min-width: 0;
  padding: 13px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 0.95rem;
  outline: none;
}

.search input::placeholder { color: var(--muted); }

.result-count {
  flex: none;
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- 筛选 ---------- */
.toolbar { padding: 8px 0 26px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.18s ease;
}

.chip:hover { border-color: var(--line-strong); background: var(--paper-soft); }

.chip.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.chip-count {
  font-size: 0.72rem;
  opacity: 0.66;
  font-variant-numeric: tabular-nums;
}

/* ---------- 人物卡片 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
  padding-bottom: 72px;
}

.card {
  display: flex;
  flex-direction: column;
  padding: 22px 22px 20px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--seal-bg, var(--accent)) 45%, var(--line));
  box-shadow: var(--shadow-md);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.card-dynasty {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.card-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.42rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.card-meta {
  margin: 5px 0 12px;
  font-size: 0.79rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.card-summary {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.87rem;
  line-height: 1.72;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--seal-bg, var(--accent)) 9%, transparent);
  color: color-mix(in srgb, var(--seal-bg, var(--accent)) 82%, var(--ink));
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- 空状态 ---------- */
.empty {
  padding: 64px 0 96px;
  text-align: center;
  color: var(--muted);
  line-height: 2;
}

.empty-reset {
  margin-top: 6px;
  padding: 8px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.86rem;
  cursor: pointer;
}

.empty-reset:hover { background: var(--paper-soft); }

/* ---------- 详情页 ---------- */
.person-main {
  max-width: 860px;
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: 80px;
}

.back-link {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.86rem;
  transition: color 0.18s ease;
}

.back-link:hover { color: var(--accent); }

.profile-head {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.profile-title { min-width: 0; }

.profile-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.2vw, 3rem);
  line-height: 1.15;
  letter-spacing: 0.06em;
}

.profile-alias {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.profile-honor {
  margin: 6px 0 14px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.16em;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.quote {
  margin: 34px 0 8px;
  padding: 22px 26px;
  background: var(--paper-2);
  border-left: 3px solid var(--seal-bg, var(--accent));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.24rem);
  line-height: 1.9;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.section { margin-top: 46px; }

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 1.14rem;
  letter-spacing: 0.14em;
  color: var(--ink);
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.prose p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.95;
  text-align: justify;
}

.prose p:last-child { margin-bottom: 0; }

/* 时间轴 */
.timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 4px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: var(--line-strong);
}

.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 124px 1fr;
  gap: 18px;
  padding: 0 0 20px 30px;
}

.timeline li:last-child { padding-bottom: 2px; }

.timeline li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--seal-bg, var(--accent));
}

.tl-year {
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: var(--seal-bg, var(--accent));
  letter-spacing: 0.04em;
  padding-top: 1px;
}

.tl-text {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* 作品 */
.works {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.works li {
  padding: 16px 18px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.work-title {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink);
  letter-spacing: 0.03em;
}

.work-note {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.65;
}

/* 同代人物 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}

.card-sm { padding: 18px; }
.card-sm .card-name { font-size: 1.16rem; }
.card-sm .card-summary { -webkit-line-clamp: 2; margin-bottom: 0; }
.card-sm .seal { width: 38px; height: 38px; font-size: 1.2rem; border-radius: 7px; }

/* 未找到 */
.not-found {
  padding: 72px 0 96px;
  text-align: center;
}

.not-found .seal-lg { margin-bottom: 22px; }

.not-found h1 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.06em;
}

.not-found p { color: var(--muted); margin: 0 0 24px; }

/* ---------- 测验入口 ---------- */
.quiz-teaser {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 4px 0 34px;
  padding: 20px 24px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.quiz-teaser-text {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.quiz-teaser-seal {
  width: 44px;
  height: 44px;
  font-size: 1.4rem;
  --seal-bg: var(--accent);
}

.quiz-teaser-eyebrow {
  margin: 0 0 3px;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.quiz-teaser-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.14rem;
  letter-spacing: 0.04em;
}

.quiz-teaser-desc {
  margin: 4px 0 0;
  font-size: 0.84rem;
  color: var(--muted);
}

.quiz-teaser-btn {
  flex: none;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fffdf8;
  font-size: 0.87rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: transform 0.16s ease, background 0.16s ease;
}

.quiz-teaser-btn:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--accent) 88%, #000);
}

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-soft) 55%, transparent);
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px 24px 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  color: var(--muted);
  font-size: 0.84rem;
}

.footer-quote {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.footer-meta { margin: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .header-inner { padding: 10px 16px; }
  .brand-name { display: none; }
  .result-count { display: none; }
  main { padding: 0 16px; }
  .hero { padding-top: 44px; }
  .grid { grid-template-columns: 1fr; gap: 14px; padding-bottom: 56px; }
  .person-main { padding-top: 28px; }
  .profile-head { gap: 18px; flex-direction: column; }
  .seal-lg { width: 76px; height: 76px; font-size: 2.4rem; }
  .timeline li { grid-template-columns: 1fr; gap: 2px; }
  .tl-year { padding-top: 0; }
  .quote { padding: 18px 18px; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .card:hover, .theme-toggle:hover { transform: none; }
}