/* ============================================================
   珍妮书房 · style.css
   ------------------------------------------------------------
   设计语言：暖奶油底 + 深绿点缀 + 衬线标题（参考 Inkwell 书库风）。
   想换配色 / 圆角 / 阴影：只改下面 :root 里的变量即可。
   ============================================================ */

:root {
  --bg: #f5f0e6;            /* 页面底色：暖奶油 */
  --card: #fffefa;          /* 卡片底色：暖白 */
  --ink: #2b2a24;           /* 主文字 */
  --ink-soft: #57534a;      /* 次要文字 */
  --muted: #97917f;         /* 弱提示文字 */
  --line: #e7dec9;          /* 边框 / 分隔线 */
  --green: #235347;         /* 主色：深绿（徽章 / 选中态） */
  --green-deep: #1b3f35;
  --green-tint: #eaf1ec;    /* 深绿浅底（金句块） */
  --gold: #c9a24b;          /* 星星：金 */
  --gold-empty: #ddd5c2;    /* 空星星 */
  --shadow: 0 1px 2px rgba(74, 64, 40, 0.04), 0 8px 24px rgba(74, 64, 40, 0.06);
  --shadow-hover: 0 2px 6px rgba(74, 64, 40, 0.06), 0 16px 36px rgba(74, 64, 40, 0.12);
  --radius: 16px;           /* 卡片圆角 */
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", "Noto Serif CJK SC",
           "Source Han Serif SC", serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ---------------- 顶部导航 ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 240, 230, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(231, 222, 201, 0.8);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--green-deep);
}
.brand-icon { width: 22px; height: 22px; align-self: center; }
.brand-name { font-family: var(--serif); font-size: 20px; font-weight: 700; letter-spacing: 0.04em; }
.brand-sub { font-size: 11px; letter-spacing: 0.2em; color: var(--muted); }
.nav-note { font-size: 12px; color: var(--muted); letter-spacing: 0.08em; }

/* 返回官网首页的小链接（并入官网后的副本用） */
.nav-back {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 0.2s;
}
.nav-back:hover { color: var(--green); }

/* ---------------- Hero：标题 + 统计 ---------------- */
.hero { padding: 64px 0 40px; }
.hero-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-text h1 {
  font-family: var(--serif);
  font-size: clamp(32px, 4.5vw, 46px);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.25;
}
.hero-text p { margin-top: 14px; font-size: 14.5px; color: var(--ink-soft); line-height: 1.9; }

.hero-stats { display: flex; gap: 14px; flex-wrap: wrap; }
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 22px;
  text-align: center;
  min-width: 92px;
  box-shadow: var(--shadow);
}
.stat-num {
  display: block;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--green-deep);
  line-height: 1.2;
}
.stat-label { display: block; margin-top: 4px; font-size: 12px; color: var(--muted); letter-spacing: 0.06em; }

/* ---------------- 搜索 + 分类筛选 ---------------- */
.toolbar { padding: 8px 0 28px; }
.toolbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.search {
  position: relative;
  flex: 1 1 320px;
  max-width: 460px;
}
.search svg {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: var(--muted);
  pointer-events: none;
}
.search input {
  width: 100%;
  height: 44px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 16px 0 42px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search input::placeholder { color: var(--muted); }
.search input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(35, 83, 71, 0.1);
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font);
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.chip:hover { border-color: var(--green); color: var(--green); }
.chip.active { background: var(--green); border-color: var(--green); color: #f7f3e9; }

/* ---------------- 结果行 ---------------- */
.result-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 6px 0 18px;
}
#resultCount { font-size: 12.5px; color: var(--muted); letter-spacing: 0.04em; }
.reset-btn {
  font-family: var(--font);
  font-size: 12.5px;
  color: var(--green);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
}
.reset-btn:hover { text-decoration: underline; }
.reset-btn.solid {
  border: 1px solid var(--green);
  border-radius: 999px;
  padding: 8px 20px;
}

/* ---------------- 卡片墙：移动 1 列 / 平板 2 列 / 桌面 3-4 列 ---------------- */
.card-wall {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding-bottom: 8px;
}
@media (min-width: 640px)  { .card-wall { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-wall { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .card-wall { grid-template-columns: repeat(4, 1fr); } }

/* ---------------- 单张卡片 ---------------- */
.book-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 16px;
  box-shadow: var(--shadow);
  cursor: pointer;
  outline: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
}
.book-card:hover,
.book-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #d8cdb4;
}
.book-card:focus-visible { border-color: var(--green); }
/* 搜索 / 筛选时被藏起来的卡片：先淡出，动画结束后再由 JS 设 display:none */
.book-card.is-hidden { opacity: 0; transform: scale(0.96); pointer-events: none; }

/* 分类徽章（左上角，深绿底奶油字） */
.cat-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #f7f3e9;
  background: var(--green);
  border-radius: 999px;
  padding: 4px 11px;
  margin-bottom: 14px;
}

.book-title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.book-title-en { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.book-author { font-size: 12.5px; color: var(--muted); margin-top: 5px; }

/* 一句话主文案：左侧细绿条 */
.book-quote {
  position: relative;
  padding-left: 13px;
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}
.book-quote::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: 2px;
  background: rgba(35, 83, 71, 0.35);
}

/* 星星评分 */
.card-stars { margin-top: 14px; font-size: 13px; letter-spacing: 3px; line-height: 1; }
.star { color: var(--gold); }
.star.empty { color: var(--gold-empty); }
.star.half { opacity: 0.5; }
.rating-num { font-size: 11.5px; color: var(--muted); letter-spacing: 0; margin-left: 8px; }

/* 阅读方式小标签 */
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  font-size: 11px;
  color: #8a8270;
  background: #f6f1e5;
  border: 1px solid #ece4d0;
  border-radius: 999px;
  padding: 2px 10px;
}

/* 卡片底部小字 */
.card-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed #ede6d4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: #a79f8b;
  letter-spacing: 0.04em;
}

/* ---------------- 空状态 ---------------- */
.empty { text-align: center; padding: 72px 20px; color: var(--ink-soft); }
.empty p { margin-bottom: 16px; font-size: 14px; }

/* ---------------- 页脚 ---------------- */
.site-footer {
  margin-top: 64px;
  padding: 34px 0 42px;
  text-align: center;
  border-top: 1px solid rgba(231, 222, 201, 0.8);
}
.site-footer p { font-size: 13px; color: var(--ink-soft); }
.site-footer .fine { font-size: 11.5px; color: var(--muted); margin-top: 6px; letter-spacing: 0.06em; }

/* ---------------- 详情弹层 ---------------- */
.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(40, 36, 26, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.modal-mask[hidden] { display: none; } /* 盖过上面的 display:flex，让 hidden 属性生效 */
.modal-mask.show { opacity: 1; pointer-events: auto; }
.modal {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 86vh;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 36px 28px;
  box-shadow: 0 24px 60px rgba(40, 34, 20, 0.28);
  transform: translateY(14px) scale(0.97);
  transition: transform 0.25s ease;
}
.modal-mask.show .modal { transform: none; }

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  background: none;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.modal-close:hover { background: #f2ecdd; color: var(--ink); }

.modal-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-top: 14px;
}
.modal-quote {
  position: relative;
  padding-left: 13px;
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}
.modal-quote::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: 2px;
  background: rgba(35, 83, 71, 0.35);
}

/* 详情分区：建议读的原因 / 金句 / 我的笔记 */
.modal-sections { margin-top: 22px; }
.m-section { margin-top: 20px; }
.m-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--green);
  margin-bottom: 8px;
}
.m-text { font-size: 14px; line-height: 1.9; color: var(--ink-soft); }

/* 金句块：浅绿底 + 衬线 */
.m-quote {
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--green-deep);
  background: var(--green-tint);
  border-left: 3px solid var(--green);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px;
}

/* 弹层底部小字（和卡片呼应） */
.modal .card-foot { margin-top: 24px; }

/* ---------------- 小屏适配 ---------------- */
@media (max-width: 720px) {
  .hero { padding: 44px 0 30px; }
  .hero-inner { align-items: flex-start; flex-direction: column; }
  .toolbar-inner { flex-direction: column; align-items: stretch; }
  /* 手机上搜索框和分类各占一行；分类横向滑动，不换行也不撑破页面 */
  .search { flex: 0 0 auto; width: 100%; min-width: 0; max-width: none; }
  .chips { width: 100%; min-width: 0; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
  .chips::-webkit-scrollbar { display: none; }
  .chip { white-space: nowrap; flex: none; }
  .modal { padding: 28px 22px 22px; }
  .modal-title { font-size: 22px; }
  .nav-note { display: none; }
}