/* ===== 读书破万卷 · 清新暖色系 ===== */
:root {
  --coral: #e8846a;
  --coral-dark: #d46a4f;
  --teal: #6fb5a8;
  --teal-dark: #559b8e;
  --cream: #f7f4ef;
  --card: #ffffff;
  --ink: #4a4238;
  --ink-light: #8a8175;
  --gold: #e8b64c;
  --gold-bg: #fdf3dd;
  --line: #eee5d8;
  --rare: #5a9bd8;
  --epic: #9b6fd8;
  --legend: #e8a33c;
  --shadow: 0 4px 16px rgba(74,66,56,.08);
  --radius: 16px;
}

* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--cream);
  color: var(--ink);
  min-height: 100vh;
  padding-bottom: 76px;
}

/* ===== 顶部栏 ===== */
.icon-btn {
  border:none; background:var(--cream); width:32px; height:32px;
  border-radius:50%; font-size:15px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}
.icon-btn:active { transform:scale(.9); }
.btn-add {
  margin-left:auto; background:var(--teal); color:#fff; font-size:12px;
  padding:6px 12px; box-shadow:0 2px 8px rgba(111,181,168,.3);
}
.btn-sm { padding:6px 12px; font-size:12px; }
.topbar {
  position: sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  background: var(--card);
  padding: 12px 16px;
  box-shadow: 0 1px 0 var(--line);
}
.brand { display:flex; align-items:baseline; gap:8px; }
.brand-logo { font-size:22px; }
.brand-name { font-weight:800; font-size:19px; color:var(--coral-dark); letter-spacing:.5px; }
.brand-slogan { font-size:11px; color:var(--ink-light); }
.top-stats { display:flex; align-items:center; gap:8px; }
.streak {
  background: var(--gold-bg); color:#b07713;
  padding:4px 10px; border-radius:999px; font-size:13px; font-weight:700;
}
.level-chip {
  background: var(--teal); color:#fff;
  padding:4px 10px; border-radius:999px; font-size:12px; font-weight:700;
}

/* ===== 主容器 ===== */
.container { max-width: 760px; margin: 0 auto; padding: 16px; }
.view { display:none; }
.view.active { display:block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:none;} }

/* ===== 英雄区 ===== */
.hero {
  background: linear-gradient(135deg, #fdeee7, #eaf6f2);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align:center;
  margin-bottom:14px;
}
.hero h1 { font-size:22px; margin-bottom:8px; color:var(--ink); }
.hero-sub { font-size:13px; color:var(--ink-light); line-height:1.7; margin-bottom:16px; }
.btn {
  border:none; cursor:pointer; font-weight:700; border-radius:999px;
  padding:10px 22px; font-size:15px; transition:transform .15s ease, box-shadow .15s ease;
}
.btn:active { transform:scale(.96); }
.btn-primary { background:var(--coral); color:#fff; box-shadow:0 4px 12px rgba(232,132,106,.35); }
.btn-big { padding:12px 28px; font-size:16px; }
.btn-ghost { background:transparent; border:1.5px solid var(--line); color:var(--ink); }

/* ===== 等级卡 ===== */
.progress-card {
  background: var(--card); border-radius: var(--radius);
  padding:14px 16px; box-shadow: var(--shadow); margin-bottom:20px;
}
.progress-top { display:flex; justify-content:space-between; font-size:14px; font-weight:700; margin-bottom:8px; }
.progress-top span:last-child { color:var(--ink-light); font-weight:600; }
.progress-bar {
  height:10px; background:#f0e8dc; border-radius:999px; overflow:hidden;
}
.progress-fill {
  height:100%; border-radius:999px;
  background: linear-gradient(90deg, var(--coral), #f2a98c);
  transition: width .8s cubic-bezier(.22,1,.36,1);
}
.progress-hint { font-size:12px; color:var(--ink-light); margin-top:6px; }

/* ===== 区块标题 ===== */
.section-title {
  font-size:17px; font-weight:800; margin: 20px 0 12px;
  display:flex; align-items:center; gap:8px;
}
.section-title::before { content:""; width:4px; height:16px; background:var(--coral); border-radius:2px; }
.badge-count { font-size:12px; color:var(--ink-light); font-weight:600; }

/* ===== 主题包网格 ===== */
.pack-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap:12px; }
.pack-card {
  background: var(--card); border-radius: var(--radius); padding:16px;
  box-shadow: var(--shadow); cursor:pointer; position:relative;
  transition: transform .15s ease;
}
.pack-card:active { transform: scale(.97); }
.pack-icon { font-size:28px; }
.pack-name { font-weight:800; font-size:16px; margin:8px 0 4px; }
.pack-desc { font-size:12px; color:var(--ink-light); line-height:1.5; }
.pack-meta { font-size:11px; color:var(--teal-dark); font-weight:700; margin-top:8px; }
.pack-card.done .pack-icon::after { content:"✓"; position:absolute; top:10px; right:12px; color:var(--teal); font-size:18px; font-weight:900; }

/* ===== 书架 ===== */
.shelf-stats { font-size:13px; color:var(--ink-light); margin-bottom:12px; }
.shelf-group { margin-bottom:20px; }
.shelf-group h3 { font-size:14px; font-weight:800; margin-bottom:10px; color:var(--teal-dark); }
.shelf-group h3 span { font-weight:600; color:var(--ink-light); font-size:12px; margin-left:6px; }
.book-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap:10px; }
.book-card {
  background: var(--card); border-radius: 12px; padding:12px 8px 10px;
  box-shadow: var(--shadow); text-align:center; cursor:pointer;
  position:relative; transition: transform .15s ease;
}
.book-card:active { transform: scale(.96); }
.book-card .cover {
  font-size:34px; margin-bottom:6px; filter: grayscale(.35) opacity(.8);
}
.book-card.read .cover { filter:none; }
.book-card .b-title { font-size:12px; font-weight:700; line-height:1.4; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.book-card .b-author { font-size:10px; color:var(--ink-light); margin-top:2px; }
.read-stamp {
  position:absolute; top:6px; right:6px; font-size:10px; font-weight:900;
  color:var(--teal); border:1.5px solid var(--teal); border-radius:6px; padding:1px 5px;
  transform: rotate(8deg); background:#fff;
}

/* ===== 数据面板 ===== */
.stat-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap:10px; }
.stat-card {
  background: var(--card); border-radius: 12px; padding:14px 6px; text-align:center;
  box-shadow: var(--shadow);
}
.stat-num { font-size:24px; font-weight:900; color:var(--coral-dark); }
.stat-label { font-size:11px; color:var(--ink-light); margin-top:2px; }
.convert-banner {
  margin-top:12px; background: linear-gradient(135deg, #fdf3dd, #eaf6f2);
  border-radius: 12px; padding: 12px 14px; font-size: 13px;
  color: var(--ink); line-height: 1.7; text-align: center;
}
.convert-banner b { color: var(--coral-dark); font-size: 16px; }
.convert-banner .conv-sub { font-size: 11px; color: var(--ink-light); }

/* ===== 徽章墙 ===== */
.badge-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap:10px; }
.badge-item {
  background: var(--card); border-radius: 12px; padding:14px 6px; text-align:center;
  box-shadow: var(--shadow); position:relative;
}
.badge-item .b-icon { font-size:30px; }
.badge-item .b-name { font-size:11px; font-weight:700; margin-top:6px; }
.badge-item .b-desc { font-size:9px; color:var(--ink-light); margin-top:2px; line-height:1.3; }
.badge-item.locked { filter: grayscale(1); opacity:.5; }
.badge-item.locked .b-icon { filter: grayscale(1) brightness(.85); }
.badge-item.rare .b-icon { filter: drop-shadow(0 0 6px var(--rare)); }
.badge-item.epic .b-icon { filter: drop-shadow(0 0 6px var(--epic)); }
.badge-item.legend .b-icon { filter: drop-shadow(0 0 8px var(--legend)); }
.badge-item .b-rarity {
  position:absolute; top:4px; right:6px; font-size:9px; font-weight:900;
  padding:1px 5px; border-radius:4px;
}
.rarity-common { color:#8a8175; background:#f3efe8; }
.rarity-rare { color:var(--rare); background:#e8f1fa; }
.rarity-epic { color:var(--epic); background:#f2ebfa; }
.rarity-legend { color:var(--legend); background:var(--gold-bg); }

/* ===== 底部导航 ===== */
.tabbar {
  position:fixed; bottom:0; left:0; right:0; z-index:60;
  display:flex; justify-content:space-around;
  background: var(--card); border-top: 1px solid var(--line);
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
}
.tab {
  border:none; background:none; font-size:12px; color:var(--ink-light);
  font-weight:600; cursor:pointer; padding:6px 18px; border-radius:12px;
}
.tab.active { color:var(--coral-dark); background:#fdeee7; }

/* ===== 阅读动画 ===== */
.read-mask {
  position:fixed; inset:0; z-index:100; display:none;
  background: linear-gradient(160deg, #2e2a24 0%, #1f1c17 100%);
  color:#f5efe4; flex-direction:column; align-items:center; justify-content:center;
  padding: 32px;
}
.read-mask.show { display:flex; }
.read-book { text-align:center; margin-bottom: 34px; }
.read-cover {
  font-size:64px; margin-bottom:14px;
  animation: floatBook 2.4s ease-in-out infinite;
}
@keyframes floatBook {
  0%,100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}
.read-title { font-size:22px; font-weight:800; }
.read-author { font-size:13px; color:#b8ab99; margin-top:6px; }
.read-progress-track {
  width: min(360px, 80vw); height:8px; background:#4a4238;
  border-radius:999px; overflow:hidden;
}
.read-progress { height:100%; width:0%; border-radius:999px; background:linear-gradient(90deg, var(--coral), var(--gold)); transition: width .3s linear; }
.read-quote {
  margin-top:28px; font-size:14px; color:#e0d5c2; text-align:center;
  max-width: 420px; line-height:1.9; min-height: 54px;
  font-style: italic;
}
.read-page { margin-top:14px; font-size:12px; color:#8a8175; letter-spacing:1px; }
.read-tip { margin-top:26px; font-size:11px; color:#6f675c; }

/* ===== 成就弹窗 ===== */
.badge-popup {
  position:fixed; inset:0; z-index:120; display:none;
  align-items:center; justify-content:center;
  background: rgba(30,26,20,.55);
  backdrop-filter: blur(3px);
}
.badge-popup.show { display:flex; animation: popFade .3s ease; }
.popup-inner {
  background: var(--card); border-radius: 20px; padding: 30px 34px;
  text-align:center; position:relative; max-width: 300px; width: 82vw;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.popup-burst { position:absolute; top:8px; left:0; right:0; font-size:26px; animation: spin 1.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.popup-badge { font-size:52px; margin: 6px 0 10px; animation: bounceIn .5s cubic-bezier(.34,1.56,.64,1); }
@keyframes bounceIn { 0%{transform:scale(0);} 70%{transform:scale(1.25);} 100%{transform:scale(1);} }
.popup-name { font-size:18px; font-weight:900; color:var(--ink); }
.popup-desc { font-size:12px; color:var(--ink-light); margin-top:6px; line-height:1.6; }
.popup-close {
  margin-top:16px; border:none; background:var(--teal); color:#fff;
  font-weight:700; padding:8px 26px; border-radius:999px; cursor:pointer; font-size:14px;
}
.popup-close:active { transform:scale(.95); }

/* ===== 读完庆祝 ===== */
.done-mask {
  position:fixed; inset:0; z-index:110; display:none;
  align-items:center; justify-content:center;
  background: rgba(30,26,20,.6); backdrop-filter: blur(4px);
}
.done-mask.show { display:flex; animation: popFade .3s ease; }
@keyframes popFade { from{opacity:0;} to{opacity:1;} }
#confetti { position:absolute; inset:0; width:100%; height:100%; pointer-events:none; }
.done-card {
  background: var(--card); border-radius: 20px; padding: 30px 26px;
  text-align:center; position:relative; max-width: 320px; width: 86vw;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  animation: riseIn .45s cubic-bezier(.22,1,.36,1);
}
@keyframes riseIn { from{transform:translateY(40px); opacity:0;} to{transform:none; opacity:1;} }
.done-stamp {
  position:absolute; top:20px; right:20px;
  font-size:16px; font-weight:900; color:var(--teal);
  border:3px solid var(--teal); border-radius:8px; padding:3px 8px;
  transform: rotate(-12deg);
}
.done-title { font-size:20px; font-weight:900; margin: 10px 0 4px; }
.done-meta { font-size:12px; color:var(--ink-light); }
.done-stats {
  background: var(--cream); border-radius: 12px; padding: 12px;
  margin: 16px 0; display:flex; justify-content:space-around;
}
.done-stats .ds-num { font-size:16px; font-weight:900; color:var(--coral-dark); }
.done-stats .ds-label { font-size:10px; color:var(--ink-light); margin-top:2px; }
.done-actions { display:flex; gap:10px; }
.done-actions .btn { flex:1; }

/* ===== 排行榜 ===== */
.rank-hero {
  background: linear-gradient(135deg, #fdf3dd, #eaf6f2);
  border-radius: var(--radius); padding: 18px 16px; margin-bottom: 14px;
}
.rank-hint { font-size:12px; color:var(--ink-light); margin-bottom:12px; }
.rank-reg { display:flex; gap:8px; }
.rank-reg input {
  flex:1; border:1.5px solid var(--line); border-radius:999px; padding:10px 16px;
  font-size:14px; background:var(--card); outline:none; color:var(--ink);
}
.rank-reg input:focus { border-color:var(--teal); }
.rank-me { display:flex; align-items:center; gap:10px; }
.rank-me-name { font-size:15px; font-weight:900; color:var(--teal-dark); }
.rank-tabs { display:flex; gap:8px; margin-bottom:12px; }
.rank-tab {
  flex:1; border:1.5px solid var(--line); background:var(--card);
  border-radius:999px; padding:8px; font-size:13px; font-weight:700; cursor:pointer;
  color:var(--ink-light);
}
.rank-tab.active { border-color:var(--teal); color:var(--teal-dark); background:#eef7f4; }
.rank-list { display:flex; flex-direction:column; gap:8px; }
.rank-item {
  display:flex; align-items:center; gap:12px;
  background: var(--card); border-radius:12px; padding:10px 14px;
  box-shadow: var(--shadow);
}
.rank-item .rk-rank { width:30px; text-align:center; font-size:16px; font-weight:900; color:var(--ink-light); }
.rank-item.top1 .rk-rank { color:var(--legend); }
.rank-item.top2 .rk-rank { color:#9aa7b5; }
.rank-item.top3 .rk-rank { color:#c98a5a; }
.rank-item .rk-info { flex:1; min-width:0; }
.rank-item .rk-name { font-size:14px; font-weight:800; }
.rank-item .rk-meta { font-size:11px; color:var(--ink-light); margin-top:2px; }
.rank-item .rk-val { font-size:16px; font-weight:900; color:var(--coral-dark); }
.rank-item.me { border:2px solid var(--teal); background:#eef7f4; }
.rank-empty { text-align:center; color:var(--ink-light); font-size:13px; padding:24px 0; }
.rank-me-card {
  margin-top:14px; background: var(--card); border-radius:12px; padding:14px;
  box-shadow: var(--shadow); display:flex; justify-content:space-around; text-align:center;
}
.rank-me-card .rm-num { font-size:18px; font-weight:900; color:var(--coral-dark); }
.rank-me-card .rm-label { font-size:11px; color:var(--ink-light); margin-top:2px; }

/* ===== 分享图 ===== */
.share-sheet { text-align:center; }
.share-preview { margin: 10px 0; }
.share-preview img {
  width:100%; max-width:360px; border-radius:14px; box-shadow: var(--shadow);
}
.share-tip { font-size:11px; color:var(--ink-light); margin-bottom:12px; }

/* ===== 自定义书目表单 ===== */
.form { display:flex; flex-direction:column; gap:12px; }
.form label { font-size:12px; font-weight:700; color:var(--ink-light); display:flex; flex-direction:column; gap:6px; }
.form input, .form select {
  border:1.5px solid var(--line); border-radius:10px; padding:10px 12px;
  font-size:14px; background:var(--cream); outline:none; color:var(--ink); font-weight:500;
}
.form input:focus, .form select:focus { border-color:var(--teal); background:#fff; }
.form-row { display:flex; gap:12px; }
.form-row label { flex:1; }
.form select { appearance:none; }

/* ===== 底部弹层(主题包/书详情) ===== */
.sheet-mask {
  position:fixed; inset:0; z-index:90; display:none;
  align-items:flex-end; justify-content:center;
  background: rgba(30,26,20,.5);
}
.sheet-mask.show { display:flex; animation: popFade .2s ease; }
.sheet {
  background: var(--card); width:100%; max-width:560px;
  border-radius: 20px 20px 0 0;
  padding: 20px 18px calc(24px + env(safe-area-inset-bottom));
  max-height: 82vh; overflow-y:auto;
  animation: sheetUp .3s cubic-bezier(.22,1,.36,1);
}
@keyframes sheetUp { from{transform:translateY(60px); opacity:0;} to{transform:none; opacity:1;} }
.sheet-head { display:flex; align-items:center; gap:8px; }
.sheet-icon { font-size:24px; }
.sheet-name { font-size:18px; font-weight:900; flex:1; }
.sheet-close {
  border:none; background:#f3efe8; color:var(--ink); width:30px; height:30px;
  border-radius:50%; font-size:14px; cursor:pointer;
}
.sheet-close:active { transform:scale(.92); }
.sheet-desc { font-size:12px; color:var(--ink-light); margin: 6px 0 14px; }
.sheet-list { display:flex; flex-direction:column; gap:8px; }
.pl-row {
  display:flex; align-items:center; gap:12px;
  background: var(--cream); border-radius:12px; padding:10px 12px;
  cursor:pointer; transition: background .15s ease;
}
.pl-row:active { background:#f1e9db; }
.pl-row.read { opacity:.72; }
.pl-cover { font-size:22px; }
.pl-info { flex:1; min-width:0; }
.pl-title { font-size:14px; font-weight:800; }
.pl-title em { font-style:normal; font-size:10px; padding:1px 5px; border-radius:4px; margin-left:4px; }
.pl-author { font-size:11px; color:var(--ink-light); margin-top:2px; }
.pl-action { font-size:12px; font-weight:800; color:var(--coral-dark); white-space:nowrap; }

/* ===== 书详情 ===== */
.book-detail { text-align:center; padding: 8px 6px 4px; }
.bd-cover { font-size:56px; margin-bottom:10px; }
.bd-title { font-size:21px; font-weight:900; }
.bd-author { font-size:13px; color:var(--ink-light); margin-top:6px; }
.bd-author em { font-style:normal; font-size:11px; padding:1px 6px; border-radius:4px; }
.bd-blurb { font-size:14px; color:var(--ink); line-height:1.8; margin: 16px 0 12px; }
.bd-quote {
  font-size:13px; color:var(--teal-dark); font-style:italic; line-height:1.9;
  background: #eef7f4; border-radius:12px; padding:12px 14px; margin-bottom:12px;
}
.bd-meta { font-size:11px; color:var(--ink-light); margin-bottom:16px; }
.btn-read { width:100%; padding:13px; font-size:16px; }

/* ===== 响应式 ===== */
@media (max-width: 480px) {
  .brand-slogan { display:none; }
  .hero h1 { font-size:19px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .pack-grid { grid-template-columns: 1fr 1fr; }
  .container { padding: 12px; }
}