/* =========================================================================
 * 组件库预览站样式
 * 复用 ui-kit 设计令牌,统一视觉语言
 * ========================================================================= */
:root{
  --cp:#4f6ef7; --cp-deep:#3b55d9; --cp-soft:#eef1fe;
  --ink:#1f2430; --ink2:#5c6579; --ink3:#98a1b3;
  --line:#e5e8f0; --line2:#eef0f6; --bg:#f6f7fb; --panel:#fff;
  --r:10px; --r-sm:7px; --r-lg:14px;
  --sh:0 1px 2px rgba(23,28,45,.05),0 6px 20px rgba(23,28,45,.07);
  --sh-lg:0 12px 36px rgba(23,28,45,.14);
  --f:13.5px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:var(--f);color:var(--ink);background:var(--bg);line-height:1.55;
}

/* ---- 顶部栏 ---- */
.topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:13px 24px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cp),#8b5cf6);color:#fff;font-size:17px;flex:none;
  box-shadow:0 4px 12px rgba(79,110,247,.35);
}
.brand>div:last-child{display:flex;flex-direction:column;font-weight:700;font-size:15px}
.brand small{font-weight:400;font-size:11.5px;color:var(--ink3);margin-top:1px}
.stat{display:flex;gap:26px}
.stat>div{text-align:right}
.stat b{font-size:18px;font-weight:800;color:var(--cp-deep);display:block;line-height:1.1}
.stat span{font-size:11px;color:var(--ink3)}

/* ---- 布局 ---- */
.layout{display:grid;grid-template-columns:228px 1fr;min-height:calc(100vh - 61px)}
.sidebar{
  border-right:1px solid var(--line);padding:16px 12px;position:sticky;top:61px;
  align-self:start;max-height:calc(100vh - 61px);overflow:auto;background:#fbfcfe;
}
.side-title{font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--ink3);
  text-transform:uppercase;padding:0 8px;margin-bottom:9px}
.cat-btn{
  width:100%;display:flex;align-items:center;gap:10px;text-align:left;
  background:transparent;border:0;border-radius:9px;padding:9px 10px;cursor:pointer;
  color:var(--ink);font-size:13px;transition:background .15s;margin-bottom:2px;
}
.cat-btn:hover{background:#eceefe}
.cat-btn.active{background:#fff;box-shadow:var(--sh)}
.cat-btn .dot{width:9px;height:9px;border-radius:3px;flex:none}
.cat-btn>span:nth-child(2){display:flex;flex-direction:column;flex:1;min-width:0}
.cat-btn>span:nth-child(2)>span:first-child{font-weight:600}
.cat-btn .desc{font-size:10.5px;color:var(--ink3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cat-btn .cnt{font-size:11px;font-weight:700;color:var(--ink3);background:var(--line2);
  padding:1px 7px;border-radius:20px}

/* ---- 主区 ---- */
.main{padding:18px 24px 60px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.search{flex:1;min-width:240px;display:flex;align-items:center;gap:8px;background:#fff;
  border:1px solid var(--line);border-radius:9px;padding:8px 12px}
.search:focus-within{border-color:var(--cp);box-shadow:0 0 0 3px var(--cp-soft)}
.search input{border:0;outline:0;flex:1;font-family:inherit;font-size:13px;background:transparent;color:var(--ink)}
.filters select{
  border:1px solid var(--line);border-radius:9px;padding:8px 10px;background:#fff;
  font-family:inherit;font-size:12.5px;color:var(--ink);cursor:pointer;outline:none;
}
.clear-btn{
  border:1px solid #fecaca;background:#fef2f2;color:#dc2626;border-radius:9px;
  padding:8px 13px;font-family:inherit;font-size:12.5px;cursor:pointer;flex:none;transition:background .15s;
}
.clear-btn:hover{background:#fee2e2}

/* ---- 多维筛选条 ---- */
.fbar{display:flex;align-items:flex-start;gap:10px;margin-bottom:9px}
.fbar-label{
  flex:none;font-size:11px;font-weight:700;color:var(--ink3);letter-spacing:.05em;
  padding:6px 0;width:44px;text-align:right;
}
.fbar-chips{flex:1;display:flex;flex-wrap:wrap;gap:6px;overflow:hidden;transition:max-height .2s}
.fbar-chips.collapsed{max-height:62px}
.fbar-toggle{
  flex:none;border:0;background:transparent;color:var(--cp-deep);font-size:11.5px;
  font-family:inherit;cursor:pointer;padding:6px 2px;white-space:nowrap;
}
.fbar-toggle:hover{text-decoration:underline}
.fchip{
  display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);
  background:#fff;color:var(--ink2);border-radius:20px;padding:4px 11px;
  font-family:inherit;font-size:12px;cursor:pointer;transition:all .13s;line-height:1.4;
}
.fchip:hover{border-color:var(--cp);color:var(--cp-deep)}
.fchip.on{background:var(--cp);border-color:var(--cp);color:#fff;font-weight:600;
  box-shadow:0 2px 8px rgba(79,110,247,.3)}
.fchip i{font-style:normal;font-size:10px;opacity:.65;font-weight:400}
.fchip .fdot{width:7px;height:7px;border-radius:50%;flex:none}
.fchip.on .fdot{outline:2px solid rgba(255,255,255,.55)}

.result-bar{display:flex;align-items:center;gap:9px;margin-bottom:14px;color:var(--ink2);font-size:12.5px;flex-wrap:wrap}
.result-bar b{color:var(--ink);font-size:14px}
.achip{
  font-size:11px;color:var(--cp-deep);background:var(--cp-soft);border:1px solid #dfe5fd;
  padding:2px 9px;border-radius:20px;margin-right:4px;
}
.chip{font-size:11px;color:var(--cp-deep);background:var(--cp-soft);
  padding:2px 9px;border-radius:20px}

/* ---- 网格 ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:visible;display:flex;flex-direction:column;cursor:pointer;transition:box-shadow .2s,transform .15s;
}
.card:hover{box-shadow:var(--sh-lg);transform:translateY(-2px)}
.card.span2{grid-column:span 2}
.card .stage{
  padding:18px;min-height:128px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#fbfcfe,#f4f6fb);border-bottom:1px solid var(--line);
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  overflow:visible;position:relative;
}
.card .stage--wide{justify-content:stretch;align-items:stretch;min-height:150px}

/* 预览态:把下拉 / 浮层组件的展开内容改为正常文档流,
   避免被卡片 overflow 裁切,从而"完整展示"其 UI */
.ui-pv .ui-casc,.ui-pv .ui-ts{position:static;display:block;margin-top:10px;box-shadow:none}
.ui-pv .ui-ac-list,.ui-pv .ui-mt-list{display:block;position:static;margin-top:8px;box-shadow:none}
.ui-pv [style*="position:absolute"][style*="top:100%"]{position:static!important;display:block!important;margin-top:10px}
.card .meta-row{padding:11px 13px}
.card h4{margin:0 0 3px;font-size:13px;font-weight:600}
.card .id{font-size:10.5px;color:var(--ink3);font-family:"SF Mono",Consolas,monospace;
  word-break:break-all;margin-bottom:7px}
.card .tags{display:flex;gap:5px;flex-wrap:wrap}
.card .tag{font-size:10px;color:#fff;padding:1px 7px;border-radius:20px}

/* 懒加载占位 */
.more{text-align:center;color:var(--ink3);font-size:12px;padding:22px}
.sentinel{height:1px}

/* ---- 抽屉 ---- */
.overlay{position:fixed;inset:0;background:rgba(23,28,45,.42);opacity:0;visibility:hidden;
  transition:opacity .25s;z-index:40}
.overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100vh;width:460px;max-width:92vw;background:#fff;
  box-shadow:var(--sh-lg);transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  z-index:50;display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer>header{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;
  border-bottom:1px solid var(--line)}
.drawer>header h3{margin:0;font-size:15px}
.drawer .x{border:0;background:var(--line2);width:28px;height:28px;border-radius:8px;
  cursor:pointer;font-size:14px;color:var(--ink2)}
.drawer .x:hover{background:#e2e6f0;color:var(--ink)}
.drawer-body{padding:18px;overflow:auto;flex:1}
.preview-stage{background:linear-gradient(180deg,#fbfcfe,#f4f6fb);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 18px;display:flex;align-items:center;justify-content:center;min-height:200px}
.pv-id{font-family:"SF Mono",Consolas,monospace;font-size:11.5px;color:var(--ink3);
  margin:12px 0 18px;word-break:break-all}
.section-h{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--ink3);margin:6px 0 9px}
.code{position:relative;background:#1e2233;color:#d8def0;border-radius:10px;padding:13px 14px;
  font-family:"SF Mono",Consolas,monospace;font-size:11.5px;white-space:pre-wrap;line-height:1.6;
  max-height:240px;overflow:auto}
.code .copy{position:absolute;top:8px;right:8px;border:0;background:var(--cp);color:#fff;
  font-size:11px;padding:3px 10px;border-radius:6px;cursor:pointer}
.code .copy:hover{background:var(--cp-deep)}
.kv{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.kv span{font-size:11px;background:var(--line2);color:var(--ink2);padding:2px 8px;border-radius:6px}
.hint{font-size:11.5px;color:var(--ink3);margin:7px 0 0;line-height:1.6}

/* ---- 滚动渐显(卡片进入视口淡入) ---- */
.grid.reveal-on .card.reveal{
  opacity:0;transform:translateY(14px);
  transition:opacity .55s ease, transform .45s ease, box-shadow .2s;
}
.grid.reveal-on .card.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .grid.reveal-on .card.reveal{opacity:1!important;transform:none!important;transition:none}
}

/* ---- 文创展示动态特效 ---- */
.cs-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.cs-glow{
  position:absolute;width:260px;height:260px;left:50%;top:50%;
  transform:translate(-50%,-50%);border-radius:50%;z-index:1;opacity:0;
  transition:opacity .3s;pointer-events:none;
}

/* ---- 画廊灯箱 ---- */
.cs-lightbox{
  position:fixed;inset:0;z-index:60;display:none;
  align-items:center;justify-content:center;padding:30px;
  background:rgba(20,16,14,.72);backdrop-filter:blur(8px);
}
.cs-lightbox.open{display:flex}
.cs-lightbox .cs-lb-item{
  transform:scale(1.45);transform-origin:center;
  box-shadow:0 30px 80px rgba(0,0,0,.5);border-radius:14px;overflow:hidden;
}
.cs-lightbox .cs-lb-x{
  position:absolute;top:18px;right:20px;width:36px;height:36px;border:0;border-radius:50%;
  background:rgba(255,255,255,.16);color:#fff;font-size:16px;cursor:pointer;backdrop-filter:blur(4px);
}
.cs-lightbox .cs-lb-x:hover{background:rgba(255,255,255,.3)}

/* ---- 模式切换(组件库 / 设计模板) ---- */
.modes{display:flex;gap:4px;background:#eef0f6;border-radius:9px;padding:3px;flex:none}
.mode-btn{border:0;background:transparent;padding:7px 14px;border-radius:7px;font-family:inherit;font-size:12.5px;color:var(--ink2);cursor:pointer;transition:background .15s,color .15s}
.mode-btn:hover{color:var(--cp-deep)}
.mode-btn.active{background:#fff;color:var(--cp-deep);font-weight:600;box-shadow:var(--sh)}
.ok-ext-link{display:inline-flex;align-items:center;text-decoration:none;margin-left:6px;
  border:1px solid rgba(179,136,255,.5);background:linear-gradient(120deg,rgba(179,136,255,.20),rgba(255,122,217,.16));
  color:#efe6ff;font-weight:600}
.ok-ext-link:hover{color:#fff;border-color:rgba(179,136,255,.95);box-shadow:0 0 16px rgba(179,136,255,.35)}
.view-hidden{display:none!important}

/* ---- 设计模板卡片 ---- */
.tpl-card .stage{background:linear-gradient(180deg,#fbfcfe,#f4f6fb)}
.tpl-card .stage .card,
.tpl-card .stage [style*="border-radius"]{max-width:100%}
.tpl-drawer .preview-stage{overflow:auto;align-items:stretch}

/* ---- 响应式 ---- */
@media(max-width:780px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--line)}
  .card.span2{grid-column:span 1}
  .stat{display:none}
}