/* ═══════════════════════════════════════════════════════════
   UI 模式词典 · 站点界面样式
   ═══════════════════════════════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro SC","PingFang SC","Segoe UI",Roboto,"Helvetica Neue","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}

:root{
  --bg:#f6f6f8;
  --surface:#ffffff;
  --surface-2:#f1f1f4;
  --surface-3:#e8e8ee;
  --text:#16161a;
  --text-2:#5a5a66;
  --text-3:#9b9ba7;
  --border:#e6e6ea;
  --border-2:#d6d6dd;
  --brand:#4f46e5;
  --brand-2:#7c3aed;
  --brand-soft:#eef1ff;
  --good:#059669;
  --radius:16px;
  --radius-sm:10px;
  --topbar-h:60px;
  --side-w:252px;
  --sh-1:0 1px 2px rgba(16,17,26,.05);
  --sh-2:0 4px 16px -5px rgba(16,17,26,.12),0 1px 2px rgba(16,17,26,.05);
  --sh-3:0 28px 70px -22px rgba(16,17,26,.28);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
html[data-theme="dark"]{
  --bg:#0b0b0d;
  --surface:#141418;
  --surface-2:#1c1c22;
  --surface-3:#27272f;
  --text:#f1f1f5;
  --text-2:#a9a9b6;
  --text-3:#6d6d7a;
  --border:#26262e;
  --border-2:#34343e;
  --brand:#818cf8;
  --brand-2:#a78bfa;
  --brand-soft:#1f1b45;
  --good:#34d399;
  --sh-1:0 1px 2px rgba(0,0,0,.4);
  --sh-2:0 4px 16px -5px rgba(0,0,0,.5),0 1px 2px rgba(0,0,0,.3);
  --sh-3:0 28px 70px -22px rgba(0,0,0,.7);
}

/* ───────── 顶部栏 ───────── */
.topbar{position:sticky;top:0;z-index:60;height:var(--topbar-h);display:flex;align-items:center;gap:18px;padding:0 18px;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px) saturate(1.6);border-bottom:1px solid var(--border)}
.topbar__left{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.brand__mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;font-size:12px;letter-spacing:.5px;box-shadow:0 3px 10px -3px color-mix(in srgb,var(--brand) 70%,transparent)}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__text strong{font-size:13.5px;font-weight:650;letter-spacing:-.01em}
.brand__text em{font-size:10.5px;font-style:normal;color:var(--text-3);letter-spacing:.02em}

.topbar__search{position:relative;flex:1 1 auto;max-width:520px;margin:0 auto;display:flex;align-items:center}
.topbar__search-icon{position:absolute;left:12px;color:var(--text-3);pointer-events:none}
.topbar__search input{width:100%;height:38px;padding:0 42px 0 36px;border:1px solid var(--border);border-radius:11px;background:var(--surface);color:var(--text);font-size:13px;font-family:inherit;outline:none;transition:border-color .16s,box-shadow .16s}
.topbar__search input::placeholder{color:var(--text-3)}
.topbar__search input:focus{border-color:var(--brand);box-shadow:0 0 0 3.5px color-mix(in srgb,var(--brand) 16%,transparent)}
.topbar__kbd{position:absolute;right:9px;padding:2px 6px;border:1px solid var(--border);border-radius:5px;background:var(--surface-2);font-family:var(--mono);font-size:10.5px;color:var(--text-3)}

.topbar__right{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text-2);cursor:pointer;transition:all .16s}
.icon-btn:hover{color:var(--text);border-color:var(--border-2);background:var(--surface-2)}
.ghost-btn{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 11px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text-2);font-size:12.5px;font-family:inherit;cursor:pointer;transition:all .16s}
.ghost-btn:hover{color:var(--text);border-color:var(--border-2)}
.ghost-btn.is-on{background:var(--brand-soft);border-color:color-mix(in srgb,var(--brand) 40%,transparent);color:var(--brand)}
.fav-count{min-width:17px;height:17px;padding:0 4px;display:grid;place-items:center;border-radius:5px;background:var(--surface-3);font-size:10.5px;font-weight:650;color:var(--text-2)}
.ghost-btn.is-on .fav-count{background:var(--brand);color:#fff}
.i-moon{display:none}
html[data-theme="dark"] .i-sun{display:none}
html[data-theme="dark"] .i-moon{display:block}

/* ───────── 布局 ───────── */
.shell{display:grid;grid-template-columns:var(--side-w) minmax(0,1fr);align-items:start;max-width:1560px;margin:0 auto}

.sidebar{position:sticky;top:var(--topbar-h);height:calc(100vh - var(--topbar-h));overflow:hidden;border-right:1px solid var(--border)}
.sidebar__inner{display:flex;flex-direction:column;height:100%;padding:16px 12px 12px}
.sidebar__head{display:flex;justify-content:space-between;align-items:center;padding:0 8px 9px;font-size:11px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}
.sidebar__total{font-family:var(--mono);letter-spacing:0;text-transform:none;color:var(--text-3)}
.nav{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:1px;padding-bottom:8px;scrollbar-width:thin}
.nav::-webkit-scrollbar{width:6px}
.nav::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:99px}
.nav a{display:flex;align-items:center;gap:9px;padding:7px 9px;border-radius:9px;color:var(--text-2);text-decoration:none;font-size:13px;transition:all .13s}
.nav a:hover{background:var(--surface-2);color:var(--text)}
.nav a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav__ico{width:20px;text-align:center;font-size:13px;flex:0 0 auto;filter:grayscale(.15)}
.nav__label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav__count{font-family:var(--mono);font-size:10.5px;color:var(--text-3)}
.nav a.is-active .nav__count{color:var(--brand)}
.sidebar__foot{display:flex;flex-direction:column;gap:6px;padding-top:10px;border-top:1px solid var(--border)}
.side-btn{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;padding:9px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text-2);font-size:12px;font-family:inherit;cursor:pointer;transition:all .15s}
.side-btn:hover{border-color:color-mix(in srgb,var(--brand) 45%,transparent);color:var(--brand);background:var(--brand-soft)}
.side-btn--plain:hover{border-color:var(--border-2);color:var(--text);background:var(--surface-2)}

.main{min-width:0;padding:28px 26px 60px}

/* ───────── Hero ───────── */
.hero{margin-bottom:26px;padding:30px 30px 26px;border:1px solid var(--border);border-radius:20px;background:
  radial-gradient(120% 140% at 100% 0,color-mix(in srgb,var(--brand) 9%,transparent),transparent 55%),
  linear-gradient(180deg,var(--surface),var(--surface-2));
  box-shadow:var(--sh-1)}
.hero__kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--brand);font-weight:600;margin-bottom:9px}
.hero__title{margin:0 0 10px;font-size:30px;line-height:1.2;letter-spacing:-.028em;font-weight:750}
.hero__desc{margin:0;max-width:74ch;font-size:13.5px;color:var(--text-2)}
.hero__desc b{color:var(--text);font-weight:650}
.hero__stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.stat{display:flex;align-items:baseline;gap:6px;padding:6px 11px;border:1px solid var(--border);border-radius:9px;background:var(--surface);font-size:11.5px;color:var(--text-2)}
.stat b{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--text)}

/* ───────── 筛选条 ───────── */
.filterbar{position:sticky;top:var(--topbar-h);z-index:40;display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 -26px 20px;padding:11px 26px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.filterbar__label{font-size:12px;color:var(--text-3)}
.filterbar__result{margin-left:auto;font-size:12px;color:var(--text-3);font-family:var(--mono)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{padding:4.5px 10px;border:1px solid var(--border);border-radius:99px;background:var(--surface);color:var(--text-2);font-size:11.5px;font-family:inherit;cursor:pointer;transition:all .14s}
.chip:hover{border-color:var(--border-2);color:var(--text)}
.chip.is-on{background:var(--text);border-color:var(--text);color:var(--bg)}

/* ───────── 分类区块 ───────── */
.content{scroll-margin-top:120px}
.section{margin-bottom:38px;scroll-margin-top:112px}
.section__head{display:flex;align-items:flex-end;gap:12px;margin-bottom:14px;padding-bottom:11px;border-bottom:1px solid var(--border)}
.section__ico{font-size:19px;line-height:1}
.section__titles{flex:1;min-width:0}
.section__title{margin:0;font-size:17px;font-weight:700;letter-spacing:-.015em}
.section__en{margin:1px 0 0;font-family:var(--mono);font-size:11px;color:var(--text-3)}
.section__count{font-size:11.5px;color:var(--text-3);font-family:var(--mono);white-space:nowrap}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}

/* ───────── 卡片 ───────── */
.tile{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s,transform .2s,border-color .2s}
.tile:hover{box-shadow:var(--sh-2);border-color:var(--border-2);transform:translateY(-2px)}
.tile__stage{position:relative;height:196px;display:flex;align-items:center;justify-content:center;padding:20px;overflow:hidden;background:#f2f3f5;border-bottom:1px solid var(--border)}
.tile__stage[data-bg="dark"]{background:#0d0d11}
.tile__stage[data-bg="mesh"]{background:linear-gradient(140deg,#eef2ff,#faf5ff 45%,#ecfeff)}
.tile__stage[data-bg="grid"]{background-color:#fbfbfc;background-image:linear-gradient(#e4e5ea 1px,transparent 1px),linear-gradient(90deg,#e4e5ea 1px,transparent 1px);background-size:22px 22px}
.tile__stage--fill{padding:0;align-items:stretch}
.tile__stage--fill>*{flex:1;width:100%}

.tile__meta{display:flex;align-items:flex-start;gap:10px;padding:13px 14px 0}
.tile__names{flex:1;min-width:0}
.tile__name{margin:0;font-size:13.5px;font-weight:650;letter-spacing:-.01em;line-height:1.35}
.tile__en{margin:2px 0 0;font-family:var(--mono);font-size:10.5px;color:var(--text-3);line-height:1.4;word-break:break-word}
.tile__fav{flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-3);cursor:pointer;transition:all .15s}
.tile__fav:hover{background:var(--surface-2);color:var(--text-2)}
.tile__fav.is-on{color:#f59e0b}
.tile__fav.is-on svg{fill:currentColor}

.tile__tags{display:flex;flex-wrap:wrap;gap:4px;padding:8px 14px 0}
.tag{padding:2px 7px;border-radius:5px;background:var(--surface-2);color:var(--text-3);font-size:10.5px;font-family:var(--mono);white-space:nowrap}
.tag--cn{font-family:inherit}

.tile__desc{margin:9px 14px 0;font-size:12px;color:var(--text-2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.tile__actions{display:flex;gap:7px;padding:12px 14px 14px;margin-top:auto}
.mini-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:5px;height:31px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text-2);font-size:11.5px;font-family:inherit;cursor:pointer;transition:all .15s;white-space:nowrap}
.mini-btn:hover{border-color:var(--border-2);color:var(--text);background:var(--surface-2)}
.mini-btn--key{background:var(--text);border-color:var(--text);color:var(--bg);font-weight:600}
.mini-btn--key:hover{background:color-mix(in srgb,var(--text) 85%,transparent);color:var(--bg);border-color:transparent}

/* ───────── 详情抽屉 ───────── */
.scrim{position:fixed;inset:0;z-index:90;background:rgba(10,10,14,.42);backdrop-filter:blur(2px);animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.drawer{position:fixed;top:0;right:0;z-index:100;width:min(560px,94vw);height:100vh;display:flex;flex-direction:column;background:var(--surface);border-left:1px solid var(--border);box-shadow:var(--sh-3);transform:translateX(102%);transition:transform .3s cubic-bezier(.32,.72,0,1)}
.drawer.is-open{transform:none}
.drawer__head{display:flex;align-items:flex-start;gap:12px;padding:18px 20px;border-bottom:1px solid var(--border)}
.drawer__titles{flex:1;min-width:0}
.drawer__titles h2{margin:0;font-size:19px;letter-spacing:-.02em}
.drawer__titles p{margin:3px 0 0;font-family:var(--mono);font-size:11.5px;color:var(--brand);word-break:break-word}
.drawer__body{flex:1;overflow-y:auto;padding:20px}
.dw-block{margin-bottom:22px}
.dw-block__label{display:flex;align-items:center;gap:6px;margin-bottom:8px;font-size:11px;font-weight:650;letter-spacing:.07em;text-transform:uppercase;color:var(--text-3)}
.dw-block p{margin:0;font-size:13.5px;color:var(--text-2);line-height:1.75}
.dw-preview{display:flex;align-items:center;justify-content:center;min-height:190px;padding:22px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#f2f3f5;overflow:hidden}
.dw-preview[data-bg="dark"]{background:#0d0d11}
.dw-preview[data-bg="mesh"]{background:linear-gradient(140deg,#eef2ff,#faf5ff 45%,#ecfeff)}
.dw-preview[data-bg="grid"]{background-color:#fbfbfc;background-image:linear-gradient(#e4e5ea 1px,transparent 1px),linear-gradient(90deg,#e4e5ea 1px,transparent 1px);background-size:22px 22px}
.dw-preview--fill{padding:0;align-items:stretch;min-height:220px}

.dw-prompt{position:relative;padding:13px 14px;border:1px solid color-mix(in srgb,var(--brand) 30%,transparent);border-radius:var(--radius-sm);background:var(--brand-soft);font-size:13px;line-height:1.75;color:var(--text)}
.dw-list{margin:0;padding-left:19px;font-size:13px;color:var(--text-2);line-height:1.8}
.dw-list li::marker{color:var(--brand)}

pre.code{margin:0;padding:13px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);overflow:auto;font-family:var(--mono);font-size:11.5px;line-height:1.65;color:var(--text-2);max-height:330px;tab-size:2}
pre.code::-webkit-scrollbar{height:8px;width:8px}
pre.code::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:99px}

.dw-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.dw-btn{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 13px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text-2);font-size:12.5px;font-family:inherit;cursor:pointer;transition:all .15s}
.dw-btn:hover{border-color:var(--border-2);color:var(--text)}
.dw-btn--primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.dw-btn--primary:hover{background:color-mix(in srgb,var(--brand) 88%,#000);color:#fff}
.dw-related{display:flex;flex-wrap:wrap;gap:6px}

/* ───────── 空态 / 页脚 / Toast ───────── */
.empty{padding:70px 20px;text-align:center;color:var(--text-2)}
.empty__icon{font-size:36px;margin-bottom:12px}
.empty h3{margin:0 0 6px;font-size:16px;color:var(--text)}
.empty p{margin:0;font-size:13px}

.foot{margin-top:40px;padding-top:20px;border-top:1px solid var(--border);text-align:center;font-size:12px;color:var(--text-3)}
.foot p{margin:0 0 5px}
.foot b{color:var(--text-2);font-family:var(--mono)}
.foot__tip{font-size:11.5px}
kbd{padding:1.5px 5px;border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;background:var(--surface-2);font-family:var(--mono);font-size:10.5px}

.toast{position:fixed;left:50%;bottom:30px;z-index:200;transform:translate(-50%,20px);opacity:0;pointer-events:none;padding:10px 17px;border-radius:11px;background:var(--text);color:var(--bg);font-size:12.5px;box-shadow:var(--sh-3);transition:all .26s cubic-bezier(.32,.72,0,1)}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

.only-mobile{display:none}

/* ───────── 响应式 ───────── */
@media (max-width:1080px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;top:var(--topbar-h);left:0;z-index:70;width:min(280px,84vw);height:calc(100vh - var(--topbar-h));background:var(--surface);transform:translateX(-102%);transition:transform .28s cubic-bezier(.32,.72,0,1);box-shadow:var(--sh-3)}
  .sidebar.is-open{transform:none}
  .only-mobile{display:grid}
  .main{padding:20px 16px 50px}
  .filterbar{margin:0 -16px 18px;padding:10px 16px}
  .hero{padding:22px 20px;border-radius:16px}
  .hero__title{font-size:23px}
  .brand__text{display:none}
}
@media (max-width:620px){
  .topbar__search{max-width:none}
  .topbar__kbd{display:none}
  .ghost-btn span:first-of-type{display:none}
  .grid{grid-template-columns:1fr}
  .section__count{display:none}
}
@media print{.topbar,.sidebar,.filterbar,.tile__actions,.foot__tip{display:none}}

/* ═══════════ 站点接入：面包屑 / 技术栈 / 详情页 ═══════════ */
.brand__mark{text-decoration:none}
.crumbs{display:flex;align-items:center;gap:8px;min-width:0;font-size:12.5px;color:var(--text-3)}
.crumbs a{color:var(--text-2);text-decoration:none;white-space:nowrap}
.crumbs a:hover{color:var(--brand)}
.crumbs__here{display:flex;flex-direction:column;line-height:1.25}
.crumbs__here strong{font-size:13.5px;font-weight:650;letter-spacing:-.01em;color:var(--text)}
.crumbs__here em{font-size:10.5px;font-style:normal;color:var(--text-3);letter-spacing:.02em}

.stack-pick{display:flex;flex-direction:column;gap:5px;padding:0 2px 4px;font-size:11px;color:var(--text-3)}
.stack-pick select{height:32px;padding:0 8px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);font-size:12px;font-family:inherit}
.side-btn--key{background:var(--text);border-color:var(--text);color:var(--bg);font-weight:600}
.side-btn--key:hover{background:color-mix(in srgb,var(--text) 85%,transparent);border-color:transparent;color:var(--bg)}

.tile__name a,.section__title a{color:inherit;text-decoration:none}
.tile__name a:hover,.section__title a:hover{color:var(--brand)}
a.chip{text-decoration:none;display:inline-block}
a.dw-btn{text-decoration:none}
.dw-btn.tile__fav{width:auto;height:34px;border:1px solid var(--border)}
.dw-btn.tile__fav.is-on{color:#f59e0b}
.foot a{color:var(--text-2);text-decoration:none}
.foot a:hover{color:var(--brand)}

.crumbs-inline{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:16px;font-size:12px;color:var(--text-3)}
.crumbs-inline a{color:var(--text-2);text-decoration:none}
.crumbs-inline a:hover{color:var(--brand)}
.pattern{max-width:880px}
.pattern__head{margin-bottom:24px}
.pattern__title{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:0 0 10px;font-size:30px;line-height:1.2;letter-spacing:-.028em;font-weight:750}
.pattern__en{font-family:var(--mono);font-size:14px;font-weight:500;letter-spacing:0;color:var(--brand)}
.pattern__lead{margin:0 0 14px;max-width:72ch;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.pattern__preview{min-height:300px}
.pattern__preview.dw-preview--fill{min-height:340px}
h2.dw-block__label{margin:0 0 8px}
.pattern pre.code{max-height:420px}
.dw-hint{margin:0 0 10px!important;font-size:12.5px!important;color:var(--text-3)!important}
.dw-prompt--en{margin-top:14px;border-style:dashed;font-size:12.5px;color:var(--text-2)}
.pair-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px}
.pair{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);text-decoration:none;transition:border-color .15s,transform .15s}
.pair:hover{border-color:color-mix(in srgb,var(--brand) 45%,transparent);transform:translateY(-1px)}
.pair b{font-size:13px;font-weight:650}
.pair span{font-family:var(--mono);font-size:10.5px;color:var(--text-3)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:30px}
.pager__link{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);text-decoration:none;transition:border-color .15s}
.pager__link:hover{border-color:color-mix(in srgb,var(--brand) 45%,transparent)}
.pager__link span{font-size:11px;color:var(--text-3)}
.pager__link b{font-size:13.5px;font-weight:650}
.pager__link--next{text-align:right}

@media (max-width:1080px){
  .crumbs__here em{display:none}
  .pattern__title{font-size:23px}
}
@media (max-width:620px){
  .crumbs>a:first-child,.crumbs>span{display:none}
  .filterbar{flex-wrap:nowrap}
  .filterbar__label{display:none}
  .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;min-width:0;flex:1}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto}
  .pattern__preview{min-height:240px}
}