:root{
  --bg:#f4f4f2;
  --paper:#ffffff;
  --ink:#0d0d0d;
  --ink-2:#2a2a2a;
  --muted:#737373;
  --faint:#a3a3a3;
  --line:#e7e7e3;
  --line-2:#d8d8d3;
  --side:#ffffff;
  --side-2:#f3f2ef;
  --side-line:#e7e7e3;
  --side-text:#0d0d0d;
  --side-muted:#737373;
  --accent:#0d0d0d;
  --sum-bg:#f5f5f3;
  --kbd-bg:#f0f0ee;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --shadow-hover:0 2px 6px rgba(0,0,0,.06), 0 14px 34px rgba(0,0,0,.10);
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:"Songti SC","SimSun",serif;
  --sidebar-w:300px;
}
/* ===== 深色主题 ===== */
body.theme-dark{
  --bg:#000000;
  --paper:#161616;
  --ink:#ffffff;
  --ink-2:#d8d8d8;
  --muted:#8c8c8c;
  --faint:#5e5e5e;
  --line:#2a2a2a;
  --line-2:#333333;
  --sum-bg:#1f1f1f;
  --kbd-bg:#262626;
  --shadow:0 1px 2px rgba(0,0,0,.5), 0 8px 24px rgba(0,0,0,.55);
  --shadow-hover:0 2px 6px rgba(0,0,0,.6), 0 14px 34px rgba(0,0,0,.6);
  /* 深色模式：侧边栏也转深色 */
  --side:#0e0e0e;
  --side-2:#1c1c1c;
  --side-line:rgba(255,255,255,.10);
  --side-text:#e9e9e6;
  --side-muted:#9b9b96;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;height:100%;}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overscroll-behavior-y:none;transition:background .25s ease,color .25s ease;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
svg.ico,svg.search-ico{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ===== App shell ===== */
.app{display:flex;min-height:100vh;min-height:100dvh;}

/* ===== Sidebar ===== */
.sidebar{width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:var(--side);color:var(--side-text);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;height:100dvh;
  padding:22px 16px 14px;gap:16px;overflow:hidden;}
.brand{display:flex;align-items:center;gap:12px;padding:2px 6px;}
.brand-logo{width:40px;height:40px;border-radius:12px;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 2px 8px rgba(0,0,0,.14);transition:background .2s ease,color .2s ease;}
.brand-logo .logo-check{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round;}
body.theme-dark .brand-logo{background:var(--paper);color:var(--ink);box-shadow:0 2px 10px rgba(0,0,0,.5);}
.brand-title{font-size:15px;font-weight:700;letter-spacing:.3px;line-height:1.2;}
.brand-sub{font-size:11px;color:var(--side-muted);letter-spacing:.4px;margin-top:2px;}

.nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;
  color:var(--side-muted);font-size:15px;font-weight:500;text-align:left;position:relative;
  transition:background .18s ease,color .18s ease,transform .12s ease;}
.nav-item .ico{width:19px;height:19px;opacity:.85;}
.nav-item:hover{background:var(--side-2);color:var(--side-text);}
.nav-item.active{background:var(--side-2);color:var(--ink);font-weight:600;}
.nav-item.active::before{content:"";position:absolute;left:-16px;top:50%;transform:translateY(-50%);
  width:4px;height:22px;background:var(--ink);border-radius:0 4px 4px 0;}

/* Directory */
.dir{display:flex;flex-direction:column;gap:10px;flex:1;min-height:0;
  border-top:1px solid var(--side-line);padding-top:14px;overflow-y:auto;
  scrollbar-width:thin;scrollbar-color:var(--side-2) transparent;}
.dir::-webkit-scrollbar{width:6px;}
.dir::-webkit-scrollbar-thumb{background:var(--side-2);border-radius:3px;}
.dir-head{display:flex;align-items:baseline;justify-content:space-between;padding:0 6px;}
.dir-title{font-size:13px;font-weight:700;letter-spacing:.5px;color:var(--side-text);}
.dir-filters{display:flex;gap:6px;flex-wrap:wrap;padding:0 2px;}
.pill{border:1px solid var(--side-line);color:var(--side-muted);font-size:12px;padding:5px 11px;
  border-radius:999px;transition:all .16s ease;}
.pill:hover{border-color:var(--side-muted);color:var(--side-text);}
.pill.active{background:var(--side-2);color:var(--ink);border-color:var(--line-2);font-weight:600;
  transform:scale(1.03);}
.pill{display:inline-flex;align-items:center;gap:5px;}
.pill-cnt{font-size:10.5px;font-weight:700;line-height:1;min-width:15px;padding:2px 4px;border-radius:999px;
  background:var(--side-2);color:var(--side-muted);text-align:center;}
.pill.active .pill-cnt{background:var(--ink);color:var(--paper);}
.dir-synced{font-size:10.5px;font-weight:500;letter-spacing:0;color:var(--side-muted);margin-left:8px;}
.dir-title.row{display:flex;align-items:center;justify-content:space-between;margin-top:2px;padding:0 6px;}
.dir-all{font-size:13px;font-weight:700;color:var(--side-text);letter-spacing:.5px;padding:0;}
.dir-all:hover{text-decoration:underline;}
.chapters-toggle{width:26px;height:26px;border-radius:8px;color:var(--side-text);font-size:16px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:transform .2s ease,background .15s ease;}
.chapters-toggle:hover{background:var(--side-2);}
.chapters-hidden .dir-list{display:none;}
.chapters-hidden .chapters-toggle{transform:rotate(0deg);}
.dir:not(.chapters-hidden) .chapters-toggle{transform:rotate(90deg);}

.dir-count{font-size:12px;color:var(--side-muted);background:var(--side-2);padding:2px 9px;border-radius:999px;}

.dir-list{margin:2px -6px 0;padding:0 6px;}
.dir-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:9px 8px;
  border-radius:10px;transition:background .15s ease;position:relative;}
.dir-item:hover{background:var(--side-2);}
.dir-item.active{background:var(--side-2);}
.dir-item.active .dir-name{color:var(--paper);font-weight:600;}
.dir-num{width:22px;flex:0 0 22px;text-align:center;font-size:13px;font-weight:700;color:var(--faint);font-variant-numeric:tabular-nums;}
.dir-item.active .dir-num,.dir-item:hover .dir-num{color:var(--side-text);}
.dir-name{flex:1;font-size:13.5px;color:var(--side-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dir-cnt{font-size:11px;color:var(--side-muted);font-variant-numeric:tabular-nums;}
.dir-chev{color:var(--side-muted);font-size:16px;line-height:1;transition:transform .15s ease;}
.dir-item:hover .dir-chev{transform:translateX(2px);color:var(--side-text);}
.dir-badge{position:absolute;right:30px;top:50%;transform:translateY(-50%);font-size:10px;
  background:var(--ink);color:var(--paper);padding:1px 6px;border-radius:999px;font-weight:700;}

/* Filter panel */
.filter-panel{margin-top:6px;padding:12px 6px 4px;border-top:1px solid var(--side-line);
  display:flex;flex-direction:column;gap:12px;}
.filter-group{display:flex;flex-direction:column;gap:6px;}
.fg-title{font-size:12px;font-weight:700;color:var(--side-text);letter-spacing:.4px;display:flex;align-items:baseline;gap:6px;}
.fg-sub{font-size:9.5px;color:var(--side-muted);font-weight:400;letter-spacing:0;}
.fg-opts{display:flex;flex-wrap:wrap;gap:5px;}
.fopt{border:1px solid var(--side-line);color:var(--side-muted);font-size:12px;padding:4px 10px;
  border-radius:999px;transition:all .15s ease;}
.fopt:hover{border-color:var(--side-muted);color:var(--side-text);}
.fopt.active{background:var(--side-2);color:var(--ink);border-color:var(--line-2);font-weight:600;}
.fchk{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--side-text);cursor:pointer;padding:1px 2px;}
.fchk input{width:14px;height:14px;accent-color:var(--side-text);}
#filter-clear{margin-top:2px;}

.sidebar-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid var(--side-line);padding-top:12px;}
.sync{font-size:11px;color:var(--side-muted);line-height:1.3;flex:1;min-width:0;}
.theme-toggle{width:42px;height:24px;border-radius:999px;background:var(--side-2);border:1px solid var(--side-line);
  position:relative;flex:0 0 auto;transition:background .2s ease;padding:0;}
.theme-toggle .knob{position:absolute;top:1px;left:2px;width:20px;height:20px;border-radius:50%;
  background:var(--side-text);color:var(--side-bg);transition:transform .22s cubic-bezier(.4,0,.2,1);}
.theme-toggle .knob svg{position:absolute;inset:0;margin:auto;width:13px;height:13px;}
.theme-toggle .knob .ico-sun{fill:currentColor;stroke:currentColor;stroke-width:1.6;}
.theme-toggle .knob .ico-sun line{stroke:currentColor;stroke-width:1.6;}
.theme-toggle .knob .ico-moon{fill:currentColor;stroke:none;}
.theme-toggle .ico-moon{display:none;}
body.theme-dark .theme-toggle .knob{transform:translateX(16px);}
body.theme-dark .theme-toggle .ico-sun{display:none;}
body.theme-dark .theme-toggle .ico-moon{display:block;}

/* ===== Content ===== */
.content{flex:1;min-width:0;display:flex;flex-direction:column;height:100vh;height:100dvh;}
.topwrap{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line);transition:background .25s ease;}
.topbar{display:flex;align-items:center;gap:14px;padding:16px 24px;background:transparent;}
.hamburger{display:none;width:38px;height:38px;border-radius:10px;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--line-2);}
.hamburger svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round;}
.topbar-titles{flex:1;min-width:0;}
.topbar-title{margin:0;font-size:clamp(20px,5vw,30px);font-weight:800;letter-spacing:.3px;line-height:1.15;}
.topbar-sub{font-size:12px;color:var(--muted);margin-top:2px;}

/* 搜索栏（侧边栏，每日推送上方） */
.searchbar{display:flex;align-items:center;gap:8px;position:relative;margin:2px 2px 6px;}
.searchbar .search-ico{position:absolute;left:13px;width:16px;height:16px;color:var(--side-muted);pointer-events:none;}
.searchbar input{width:100%;border:1px solid var(--side-line);background:var(--side-2);color:var(--side-text);
  border-radius:999px;padding:9px 14px 9px 36px;font-size:16px;outline:none;transition:border-color .18s ease,box-shadow .18s ease;}
.searchbar input::placeholder{color:var(--side-muted);}
.searchbar input:focus{border-color:var(--side-text);box-shadow:0 0 0 3px rgba(0,0,0,.06);}

.view{flex:1;overflow-y:auto;overflow-x:hidden;position:relative;transform:translateZ(0);padding:22px 24px 40px;}
.screen{display:none;overflow-x:hidden;animation:fade .26s ease;}
.screen.active{display:block;}
@keyframes fade{from{transform:translateY(6px)}to{transform:none}}

.ghost-btn{border:1px solid var(--ink);background:var(--paper);color:var(--ink);
  padding:7px 14px;font-size:13px;border-radius:999px;transition:all .16s ease;}
.ghost-btn:hover{background:var(--ink);color:var(--paper);}
.ghost-btn.block{display:block;width:100%;margin-top:10px;padding:13px 16px;text-align:left;border-radius:var(--radius-sm);}
.ghost-btn.sm{padding:5px 12px;font-size:12px;}

.primary-btn{background:var(--ink);color:var(--paper);padding:10px 20px;font-size:15px;border-radius:999px;font-weight:600;
  transition:transform .12s ease,opacity .15s ease;}
.primary-btn:hover{opacity:.88;}
.primary-btn:active{transform:scale(.97);}

/* Card grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;}
.entry-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 14px;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;animation:cardIn .4s ease;position:relative;opacity:1;}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
@keyframes cardIn{from{transform:translateY(12px)}to{transform:none}}

.card-top{margin-bottom:10px;}
.card-title{margin:0;font-size:20px;line-height:1.35;font-weight:800;letter-spacing:.2px;}

.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;}
.tag{font-size:13px;padding:3px 11px;border-radius:999px;line-height:1.3;font-weight:700;white-space:nowrap;border:1px solid var(--ink);color:var(--ink);background:var(--paper);}
.tag-blue{background:var(--ink);color:var(--paper);border-color:var(--ink);font-size:14px;padding:4px 13px;}
.tag-gray{background:var(--paper);color:var(--ink-2);border-color:var(--line-2);font-weight:600;}
.tag-green{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.tag-blue-outline{background:var(--paper);color:var(--ink);border-color:var(--ink);}

.card-summary{background:var(--sum-bg);border:1px solid var(--line-2);border-radius:12px;padding:11px 13px;margin-bottom:12px;
  font-size:14.5px;line-height:1.6;color:var(--ink-2);}
.card-summary .sum-label{display:inline-block;font-weight:800;color:var(--ink);margin-right:6px;}

.card-rows{display:flex;flex-direction:column;gap:9px;}
.card-row{display:flex;gap:12px;align-items:flex-start;}
.card-row .rk{flex:0 0 48px;font-size:12px;color:var(--muted);padding-top:2px;letter-spacing:1px;}
.card-row .rv{flex:1;font-size:14.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word;}
.card-row .rv a{color:var(--ink);text-decoration:underline;}

.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;}
.src-wrap{flex:1;min-width:0;}
.src-toggle{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink-2);padding:6px 0;}
.src-toggle .chev{transition:transform .2s ease;color:var(--faint);}
.src-wrap.open .src-toggle .chev{transform:rotate(90deg);}
.src-body{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.src-wrap.open .src-body{max-height:560px;}
.src-body .v{font-size:13.5px;color:var(--ink-2);white-space:pre-wrap;word-break:break-word;line-height:1.6;padding:6px 0 8px;border-top:1px dashed var(--line);margin-top:4px;}

.fav-btn{flex:0 0 auto;border:1px solid var(--line-2);background:var(--paper);color:var(--muted);
  font-size:13px;padding:6px 12px;border-radius:999px;transition:all .16s ease;white-space:nowrap;}
.fav-btn:hover{border-color:var(--ink);color:var(--ink);}
.fav-btn.on{background:var(--ink);border-color:var(--ink);color:var(--paper);font-weight:600;}

/* 收藏卡片：折叠态 */
.fav-collapsed .card-body{display:none;}
.fav-collapsed.open .card-body{display:block;animation:fade .22s ease;}
.fav-top{display:flex;align-items:center;gap:10px;margin-bottom:0;}
.fav-collapsed .fav-top{margin-bottom:0;}
.fav-top .card-title{flex:1;}
.fav-top-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.fav-expand{width:30px;height:30px;border-radius:8px;color:var(--ink-2);font-size:15px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:transform .2s ease,background .15s ease;}
.fav-expand:hover{background:var(--line);}
.fav-collapsed.open .fav-expand{transform:rotate(90deg);}
.fav-collapsed .card-body{margin-top:12px;}

/* Ask */
.ask-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:18px;box-shadow:var(--shadow);}
.ask-box textarea{width:100%;border:none;outline:none;resize:none;font-size:16px;background:transparent;line-height:1.6;color:var(--ink);}
.ask-actions{display:flex;justify-content:flex-end;margin-top:8px;}
.ask-result{display:flex;flex-direction:column;gap:16px;}
.answer-head{font-size:12px;color:var(--muted);letter-spacing:1px;border-bottom:1px solid var(--line);padding-bottom:7px;margin-bottom:4px;}
.quote{font-size:14px;color:var(--muted);border-left:3px solid var(--ink);padding-left:11px;margin:0;}
.web-result{border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 15px;background:var(--paper);}
.web-result h4{margin:0 0 5px;font-size:15px;}
.web-result a{font-size:12px;word-break:break-all;color:var(--ink);text-decoration:underline;}
.web-links a{display:inline-block;margin:4px 12px 0 0;border-bottom:1px solid var(--ink);}

/* Settings */
.settings-group{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:4px 18px;margin-bottom:16px;box-shadow:var(--shadow);max-width:640px;}
.settings-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--line);gap:12px;}
.settings-row:last-child{border-bottom:none;}
.settings-row label,.settings-row>span:first-child{font-size:15px;}
.settings-row input[type=number]{width:66px;border:1px solid var(--line-2);padding:7px 8px;font-size:15px;border-radius:10px;text-align:center;color:var(--ink);background:var(--paper);}
.settings-row a{text-decoration:underline;font-size:14px;}
.settings-note{font-size:12px;color:var(--muted);margin:12px 2px 4px;line-height:1.55;}
.settings-foot{font-size:12px;color:var(--faint);line-height:1.6;margin-top:8px;max-width:640px;}

/* Modal */
.modal-mask{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .15s ease;}
.modal-mask.hidden{display:none;}
.modal{background:var(--paper);border-radius:var(--radius);max-width:420px;width:100%;max-height:82vh;overflow:auto;padding:24px;box-shadow:0 24px 60px rgba(0,0,0,.3);}
.modal.sheet{align-self:flex-end;margin-bottom:0;border-radius:22px 22px 0 0;max-width:560px;width:100%;max-height:88vh;}
.modal-title{font-size:19px;font-weight:700;margin-bottom:14px;}
.modal-body{font-size:14px;line-height:1.7;}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;}

/* Toast */
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--ink);color:var(--paper);
  padding:11px 20px;border-radius:999px;font-size:14px;z-index:60;box-shadow:0 8px 24px rgba(0,0,0,.25);animation:fade .2s ease;}
.toast.hidden{display:none;}
.kbd{font-family:ui-monospace,monospace;background:var(--kbd-bg);padding:1px 6px;border-radius:4px;}
.update-list{margin:8px 0 0;padding-left:18px;}
.update-list li{margin-bottom:5px;}

.empty{color:var(--muted);font-size:14px;text-align:center;padding:48px 12px;grid-column:1/-1;}
.hidden{display:none !important;}

/* Scrim for mobile drawer */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40;opacity:0;pointer-events:none;transition:opacity .25s ease;}
.scrim.show{opacity:1;pointer-events:auto;}

/* ===== Responsive ===== */
@media (max-width:860px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:45;transform:translateX(-100%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);box-shadow:0 0 60px rgba(0,0,0,.5);}
  .sidebar.open{transform:none;}
  .hamburger{display:flex;}
  .content{height:auto;min-height:100dvh;}
  .topwrap{position:sticky;}
  .topbar{padding:13px 16px;}
  .view{padding:16px 16px 36px;}
  .stats{grid-template-columns:1fr 1fr;}
  .card-grid{grid-template-columns:1fr;}
}
@media (max-width:420px){
  .stats{grid-template-columns:1fr;}
  .topbar-title{font-size:clamp(19px,6vw,24px);}
}

/* ===== 问答 · 外部 AI 接口设置面板 ===== */
.ai-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;margin-bottom:14px;box-shadow:var(--shadow);}
.ai-head{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);}
.ai-dot{width:9px;height:9px;border-radius:50%;background:var(--faint);flex:0 0 auto;transition:background .2s ease;}
.ai-dot.on{background:var(--ink);}
.ai-head #ai-status{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.ai-config{display:flex;flex-direction:column;gap:10px;margin-top:12px;border-top:1px solid var(--line);padding-top:12px;}
.ai-field{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);}
.ai-field input,.ai-field select{font-size:16px;padding:9px 11px;border:1px solid var(--line-2);border-radius:10px;background:var(--paper);color:var(--ink);outline:none;width:100%;}
.ai-field input:focus,.ai-field select:focus{border-color:var(--ink);}
.ai-row2{display:flex;gap:10px;}
.ai-row2 .ai-field{flex:1;min-width:0;}
.ai-chk{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2);}
.ai-chk input{width:15px;height:15px;accent-color:var(--ink);}
.ai-actions{display:flex;gap:8px;justify-content:flex-end;}
.ai-note{font-size:11.5px;color:var(--faint);line-height:1.5;margin:4px 0 0;}
.ai-answer{font-size:15px;line-height:1.8;color:var(--ink);word-break:break-word;}
.ai-answer .md-h{font-size:16px;font-weight:700;margin:.7em 0 .3em;line-height:1.4;}
.ai-answer .md-p{margin:.5em 0;}
.ai-answer .md-ul,.ai-answer .md-ol{margin:.5em 0;padding-left:1.35em;}
.ai-answer .md-ul li,.ai-answer .md-ol li{margin:.28em 0;}
.ai-answer strong{font-weight:700;}
.ai-answer em{font-style:italic;}
.ai-answer del{opacity:.55;text-decoration:line-through;}
.ai-answer a{color:var(--ink);text-decoration:underline;}
.primary-btn.sm{padding:6px 16px;font-size:13px;}
.ghost-btn.sm{padding:6px 14px;font-size:13px;}

/* ===== 每日推送 · 可滑动卡片组 ===== */
.deck{position:relative;padding:2px 2px 0;overflow:hidden;}
.deck-ghost{
  position:absolute;left:16px;right:16px;top:14px;bottom:52px;border-radius:18px;
  background:var(--paper);border:1px solid var(--line);transform:scale(1);opacity:.5;z-index:1;
  box-shadow:0 6px 16px rgba(0,0,0,.06);
}
.theme-dark .deck-ghost{background:var(--card);border-color:var(--line-2);box-shadow:0 6px 16px rgba(0,0,0,.5);}
.deck-card{
  position:relative;z-index:2;cursor:grab;touch-action:pan-y;user-select:none;-webkit-user-select:none;
  will-change:transform,opacity;
}
.deck-card.dragging{cursor:grabbing;transition:none !important;}
.deck-card .entry-card{margin:0;box-shadow:0 10px 30px rgba(0,0,0,.10);}
.theme-dark .deck-card .entry-card{box-shadow:0 10px 30px rgba(0,0,0,.55);}
.deck-tip{text-align:center;font-size:12px;color:var(--faint);margin-top:10px;letter-spacing:.5px;}
.deck-bar{display:flex;align-items:center;justify-content:space-between;margin-top:8px;padding:0 4px;}
.deck-pos{font-size:12px;color:var(--muted);}
.deck-skip{
  border:1px solid var(--line-2);background:var(--paper);color:var(--ink);border-radius:999px;
  padding:6px 15px;font-size:13px;cursor:pointer;transition:transform .12s ease,background .2s ease;
}
.theme-dark .deck-skip{background:var(--card);border-color:var(--line-2);color:var(--side-text);}
.deck-skip:active{transform:scale(.95);}

/* 飞入 / 飞出动画 */
@keyframes deckIn{from{opacity:0;transform:translateX(58px) scale(.96);}to{opacity:1;transform:none;}}
@keyframes deckInLeft{from{opacity:0;transform:translateX(-58px) scale(.96);}to{opacity:1;transform:none;}}
@keyframes deckOutLeft{to{opacity:0;transform:translateX(-120%) rotate(-9deg);}}
@keyframes deckOutRight{to{opacity:0;transform:translateX(120%) rotate(9deg);}}
.deck-card.anim-in{animation:deckIn .34s cubic-bezier(.22,.61,.36,1);}
.deck-card.anim-in-left{animation:deckInLeft .34s cubic-bezier(.22,.61,.36,1);}
.deck-card.anim-out-left{animation:deckOutLeft .3s cubic-bezier(.4,0,.2,1) forwards;}
.deck-card.anim-out-right{animation:deckOutRight .3s cubic-bezier(.4,0,.2,1) forwards;}

@media (prefers-reduced-motion:reduce){
  .deck-card.anim-in,.deck-card.anim-in-left,.deck-card.anim-out-left,.deck-card.anim-out-right{animation:none;}
}

/* ===== 问答 · 联网搜索选择 ===== */
.web-choice{margin-top:12px;}
.web-prompt{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:13px 15px;box-shadow:var(--shadow);}
.theme-dark .web-prompt{background:var(--card);border-color:var(--line-2);}
.web-prompt p{font-size:14px;color:var(--ink-2);margin:0 0 10px;}
.web-actions{display:flex;gap:9px;}
.web-slot{margin-top:10px;}
.web-slot .answer-head{margin-top:4px;}

/* ===== 关于本书（主内容屏） ===== */
.about-screen{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:18px;}
.about-intro{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px 24px;box-shadow:var(--shadow);}
.about-intro p{font-size:15px;line-height:1.8;color:var(--ink);margin:0 0 14px;}
.about-intro p:last-child{margin-bottom:0;}
.about-intro p b{font-weight:700;}
.glossary{margin-top:4px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper);box-shadow:var(--shadow);}
.glossary-toggle{width:100%;text-align:left;background:var(--bg);color:var(--ink);border:none;padding:14px 16px;font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:space-between;}
.glossary-toggle .chev{transition:transform .2s ease;color:var(--muted);}
.glossary-body{max-height:0;overflow:hidden;transition:max-height .28s ease;background:var(--paper);}
.glossary-body.open{max-height:72vh;overflow-y:auto;}
.g-group-title{font-size:12px;font-weight:700;letter-spacing:.5px;color:var(--muted);
  padding:12px 16px 6px;background:var(--paper);border-top:1px solid var(--line);position:sticky;top:0;z-index:1;}
.glossary-body .term{font-size:13.5px;line-height:1.65;color:var(--ink);padding:11px 16px;border-top:1px solid var(--line);}
.glossary-body .term:first-child{border-top:none;}
.glossary-body .term b{font-weight:700;}

/* 关于本书 · 证据分级 */
.ev-grade{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:20px 22px;box-shadow:var(--shadow);}
.ev-grade-head{font-size:16px;font-weight:700;letter-spacing:.5px;color:var(--ink);margin-bottom:10px;}
.ev-grade-desc{font-size:14px;color:var(--ink);margin:0 0 12px;line-height:1.6;}
.ev-row{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line);}
.ev-row:first-of-type{border-top:none;}
.ev-level{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;}
body.theme-dark .ev-level{background:var(--paper);color:var(--ink);}
.ev-text{font-size:13.5px;line-height:1.7;color:var(--ink);padding-top:3px;}
.ev-grade-note{font-size:12.5px;line-height:1.6;color:var(--muted);margin:12px 0 0;padding-top:10px;border-top:1px dashed var(--line);}

/* ===== 防止整页横向平移 / 橡皮筋，保证纵向滚动顺滑 ===== */
html, body { overflow-x: hidden; overscroll-behavior-x: contain; }
.app, .content, .sidebar { overscroll-behavior: contain; }
.view { overscroll-behavior: contain; touch-action: pan-y; }
.deck-card { touch-action: pan-y; }
/* 输入框 ≥16px，避免 iOS 聚焦时自动放大导致布局位移、顶栏/侧栏点不到 */
input, textarea, select { font-size: 16px; max-width: 100%; }
.topwrap { z-index: 30; }

/* 云端服务 / 登录门禁 / 授权管理已停用，相关样式已移除。 */