/* =========================================================
   案例中心 / 系统演示 / 后台
   依赖 style.css 的设计令牌
   ========================================================= */

/* ---------- 头部统计 ---------- */
.ch-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.ch-stats span{
  display:inline-flex;align-items:baseline;gap:6px;padding:7px 14px;border-radius:4px;
  border:1px solid var(--line);background:rgba(0,212,255,.05);font-size:11.5px;color:var(--muted-2);
}
.ch-stats b{font-size:19px;font-weight:900;color:#EAFDFF;font-variant-numeric:tabular-nums;text-shadow:0 0 16px rgba(0,212,255,.45)}

/* ---------- 工具条 ---------- */
.toolbar{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;
  padding:14px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(160deg,rgba(10,28,52,.6),rgba(5,13,24,.5));
  margin-bottom:18px;
}
.searchbox{position:relative;display:flex;align-items:center}
.searchbox svg{position:absolute;left:13px;width:15px;height:15px;color:var(--muted-2);pointer-events:none}
.searchbox input{
  width:100%;padding:11px 13px 11px 38px;border-radius:6px;font-size:13.5px;
  background:rgba(0,212,255,.05);border:1px solid rgba(0,212,255,.2);color:var(--text);outline:none;transition:.2s;
}
.searchbox input::placeholder{color:#3E5872}
.searchbox input:focus{border-color:var(--line-3);box-shadow:0 0 0 3px rgba(0,212,255,.1),0 0 22px -8px rgba(0,212,255,.6)}
.tool-right{display:flex;align-items:center;gap:10px}
.tool-right select{
  padding:11px 12px;border-radius:6px;font-size:12.5px;background:rgba(0,212,255,.05);
  border:1px solid rgba(0,212,255,.2);color:var(--text);outline:none;cursor:pointer;
}
.tool-right select option{background:#071120}
.tool-count{font-size:12px;color:var(--muted-2);white-space:nowrap;font-variant-numeric:tabular-nums}
.tool-count b{color:var(--cyan);font-weight:700}

/* ---------- 分类 ---------- */
.grouptabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.gtab{
  padding:7px 14px;border-radius:4px;font-size:12.5px;font-weight:600;cursor:pointer;
  background:rgba(0,212,255,.04);border:1px solid var(--line);color:var(--muted);transition:.18s;
}
.gtab:hover{color:var(--text);border-color:var(--line-2)}
.gtab.is-on{background:linear-gradient(100deg,rgba(0,212,255,.92),rgba(30,111,255,.92));border-color:transparent;color:#03121F;box-shadow:0 0 22px -8px rgba(0,212,255,.9)}
.gtab i{font-style:normal;font-size:10.5px;opacity:.65;margin-left:5px}

.subbar{
  display:flex;flex-wrap:wrap;gap:6px;padding:10px 12px;margin-bottom:20px;
  border:1px solid rgba(0,212,255,.1);border-radius:6px;background:rgba(0,212,255,.025);min-height:44px;
}
.subbar:empty{display:none}
.schip{
  padding:5px 11px;border-radius:3px;font-size:11.5px;cursor:pointer;
  background:rgba(0,0,0,.2);border:1px solid rgba(0,212,255,.16);color:var(--muted-2);transition:.18s;
}
.schip:hover{color:var(--cyan);border-color:var(--line-2)}
.schip.is-on{background:rgba(0,212,255,.16);border-color:var(--line-3);color:#BFF1FF}

/* ---------- 案例卡 ---------- */
.clist{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ccard{
  display:flex;flex-direction:column;padding:20px 18px;cursor:pointer;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.ccard:hover{transform:translateY(-4px)}
.ccard-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}
.ccard-tag{
  font-size:10px;letter-spacing:.1em;padding:2px 7px;border-radius:3px;
  color:#9FE4FA;background:rgba(0,212,255,.1);border:1px solid rgba(0,212,255,.22);
}
.ccard-hot{font-size:10.5px;color:var(--muted-2);display:flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums}
.ccard-hot svg{width:11px;height:11px;color:var(--amber)}
.ccard h3{font-size:15px;font-weight:750;line-height:1.5;margin-bottom:8px;letter-spacing:.01em}
.ccard p{
  font-size:12px;color:var(--muted-2);line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ccard-tags{display:flex;flex-wrap:wrap;gap:5px;margin:12px 0}
.ccard-tags span{font-size:10px;padding:2px 6px;border-radius:2px;color:var(--muted-2);background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)}
.ccard-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px solid var(--line);margin-top:auto;
}
.ccard-metrics{display:flex;gap:14px}
.ccard-metrics b{display:block;font-size:14px;font-weight:800;color:#EAFDFF;font-variant-numeric:tabular-nums;line-height:1.2}
.ccard-metrics small{font-size:9.5px;color:var(--muted-2)}
.ccard-go{font-size:11px;color:var(--cyan);display:flex;align-items:center;gap:4px;opacity:.75;transition:.2s}
.ccard:hover .ccard-go{opacity:1;gap:8px}
.ccard-go svg{width:12px;height:12px}

.pager{display:flex;justify-content:center;margin-top:28px}
.pager button{
  padding:11px 30px;border-radius:6px;font-size:13px;font-weight:650;cursor:pointer;
  background:rgba(0,212,255,.06);border:1px solid var(--line-2);color:var(--text);transition:.2s;
}
.pager button:hover{background:rgba(0,212,255,.14);box-shadow:0 0 22px -8px rgba(0,212,255,.7)}
.pager button[disabled]{opacity:.35;cursor:default;box-shadow:none;background:transparent}
.empty{padding:70px 20px;text-align:center;color:var(--muted-2);font-size:13.5px}
.empty svg{width:34px;height:34px;margin:0 auto 14px;color:#2C4A66}

/* ---------- 系统演示页 ---------- */
.demo-wrap{display:grid;grid-template-columns:226px minmax(0,1fr);gap:0;min-height:calc(100vh - var(--nav-h) - 130px);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:rgba(4,11,20,.7)}
.demo-side{border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(8,22,40,.9),rgba(4,10,18,.9));padding:16px 0}
.demo-brand{display:flex;align-items:center;gap:9px;padding:0 16px 16px;border-bottom:1px solid var(--line);margin-bottom:12px}
.demo-brand i{width:26px;height:26px;border-radius:6px;background:linear-gradient(140deg,rgba(0,212,255,.3),rgba(30,111,255,.2));border:1px solid var(--line-2);display:grid;place-items:center;color:var(--cyan);font-size:11px;font-weight:900;font-style:normal}
.demo-brand b{font-size:12.5px;font-weight:700;line-height:1.3}
.demo-brand small{display:block;font-size:9.5px;color:var(--muted-2);letter-spacing:.1em}
.demo-menu{padding:0 8px}
.demo-menu a{
  display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:4px;
  font-size:12.5px;color:var(--muted);margin-bottom:2px;transition:.15s;cursor:pointer;
}
.demo-menu a:hover{background:rgba(0,212,255,.07);color:var(--text)}
.demo-menu a.is-on{background:rgba(0,212,255,.14);color:#BFF1FF;box-shadow:inset 2px 0 0 var(--cyan)}
.demo-menu a svg{width:13px;height:13px;opacity:.7}
.demo-menu h5{font-size:9.5px;letter-spacing:.16em;color:#31536E;margin:16px 10px 8px;text-transform:uppercase}

.demo-main{padding:18px 20px 24px;min-width:0}
.demo-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.demo-head h1{font-size:19px;font-weight:800;letter-spacing:.01em;margin-bottom:6px}
.demo-head p{font-size:12px;color:var(--muted-2);max-width:640px;line-height:1.7}
.demo-badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.demo-badges span{font-size:10.5px;padding:2px 8px;border-radius:3px;color:#9FE4FA;background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.2)}
.demo-badges span.grn{color:#9CF2D2;border-color:rgba(0,229,160,.3);background:rgba(0,229,160,.07)}

.dkpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}
.dkpi{padding:13px 14px;border:1px solid rgba(0,212,255,.12);border-radius:6px;background:linear-gradient(160deg,rgba(0,212,255,.06),rgba(0,212,255,.01))}
.dkpi span{display:block;font-size:10.5px;color:var(--muted-2);margin-bottom:6px}
.dkpi b{font-size:21px;font-weight:900;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:#EAFDFF;text-shadow:0 0 18px rgba(0,212,255,.45)}
.dkpi b i{font-style:normal;font-size:.5em;color:var(--muted);margin-left:2px}
.dkpi em{display:block;font-size:10.5px;color:var(--green);margin-top:4px;font-style:normal}
.dkpi em.dn{color:var(--amber)}

.dgrid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:12px;margin-bottom:12px}
.dpanel{border:1px solid var(--line);border-radius:6px;background:rgba(6,17,30,.7);padding:14px}
.dpanel h4{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}
.dpanel h4 b{color:var(--cyan);font-weight:600;letter-spacing:.02em;text-transform:none;font-size:11px}
.dchart{width:100%;height:168px}
.dlegend{display:flex;gap:14px;margin-top:8px;font-size:10.5px;color:var(--muted-2)}
.dlegend i{display:inline-block;width:8px;height:2px;margin-right:5px;vertical-align:middle}

.dtable{width:100%;border-collapse:collapse;font-size:11.5px}
.dtable th{
  text-align:left;font-weight:600;color:var(--muted-2);padding:7px 8px;
  border-bottom:1px solid var(--line);font-size:10.5px;letter-spacing:.06em;white-space:nowrap;
}
.dtable td{padding:8px;border-bottom:1px solid rgba(0,212,255,.06);color:#C3D4E6;white-space:nowrap}
.dtable tr:last-child td{border-bottom:0}
.dtable td.num{font-variant-numeric:tabular-nums;color:#EAFDFF}
.dot{display:inline-flex;align-items:center;gap:5px}
.dot i{width:5px;height:5px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.dot.warn i{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.dot.bad i{background:var(--red);box-shadow:0 0 8px var(--red)}

.demo-actions{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 10px}

/* ---------- 后台 ---------- */
.adm{display:grid;grid-template-columns:210px minmax(0,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;min-height:640px}
.adm-side{background:linear-gradient(180deg,rgba(8,22,40,.92),rgba(4,10,18,.92));border-right:1px solid var(--line);padding:16px 0}
.adm-side h5{font-size:9.5px;letter-spacing:.16em;color:#31536E;margin:14px 16px 8px;text-transform:uppercase}
.adm-side a{display:block;padding:9px 16px;font-size:12.5px;color:var(--muted);cursor:pointer;transition:.15s;border-left:2px solid transparent}
.adm-side a:hover{background:rgba(0,212,255,.06);color:var(--text)}
.adm-side a.is-on{background:rgba(0,212,255,.12);color:#BFF1FF;border-left-color:var(--cyan)}
.adm-main{padding:18px;min-width:0}
.adm-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.adm-bar .searchbox{flex:1;min-width:220px}
.adm-list{max-height:520px;overflow:auto;border:1px solid var(--line);border-radius:6px}
.adm-row{
  display:grid;grid-template-columns:74px minmax(0,1fr) 96px 74px 58px;gap:10px;align-items:center;
  padding:9px 12px;border-bottom:1px solid rgba(0,212,255,.06);font-size:12px;cursor:pointer;transition:.15s;
}
.adm-row:hover{background:rgba(0,212,255,.06)}
.adm-row.is-on{background:rgba(0,212,255,.12);box-shadow:inset 2px 0 0 var(--cyan)}
.adm-row .id{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--muted-2)}
.adm-row .tt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#DCE9F7}
.adm-row .gp{font-size:10.5px;color:var(--cyan);opacity:.8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.adm-row .st{font-size:10px;padding:1px 6px;border-radius:2px;text-align:center}
.adm-row .st.on{color:#9CF2D2;background:rgba(0,229,160,.1)}
.adm-row .st.off{color:#8B9BB0;background:rgba(255,255,255,.05)}
.adm-row .hd{font-size:10.5px;color:var(--muted-2);text-align:right;font-variant-numeric:tabular-nums}

.adm-form{display:grid;gap:12px}
.adm-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.adm-form .row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.adm-form label{font-size:11px;color:var(--muted);letter-spacing:.04em;display:block;margin-bottom:5px}
.adm-form input[type=text],.adm-form input[type=number],.adm-form textarea,.adm-form select{
  width:100%;padding:9px 11px;border-radius:5px;font-size:12.5px;
  background:rgba(0,212,255,.04);border:1px solid rgba(0,212,255,.18);color:var(--text);outline:none;transition:.2s;
}
.adm-form textarea{min-height:76px;resize:vertical}
.adm-form input:focus,.adm-form textarea:focus,.adm-form select:focus{border-color:var(--line-3);box-shadow:0 0 0 3px rgba(0,212,255,.1)}
.adm-form select option{background:#071120}
.adm-form .hint{font-size:10.5px;color:var(--muted-2);margin-top:4px}
.adm-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.adm-note{
  padding:10px 13px;border-radius:5px;font-size:11.5px;line-height:1.7;
  background:rgba(255,169,64,.07);border:1px solid rgba(255,169,64,.28);color:#FFD9A8;margin-bottom:14px;
}
.adm-note.ok{background:rgba(0,229,160,.07);border-color:rgba(0,229,160,.28);color:#9CF2D2}

.login-box{max-width:380px;margin:60px auto;padding:30px 28px}
.login-box h2{font-size:18px;font-weight:800;margin-bottom:8px}
.login-box p{font-size:12px;color:var(--muted-2);margin-bottom:20px;line-height:1.7}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .clist{grid-template-columns:repeat(2,1fr)}
  .demo-wrap{grid-template-columns:1fr}
  .demo-side{display:none}
  .adm{grid-template-columns:1fr}
  .adm-side{display:flex;overflow-x:auto;padding:10px}
  .adm-side h5{display:none}
  .adm-side a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent}
  .adm-side a.is-on{border-left:0;border-bottom-color:var(--cyan)}
}
@media (max-width:1080px){
  #admSplit{grid-template-columns:1fr !important}
}
@media (max-width:860px){
  .toolbar{grid-template-columns:1fr}
  .dkpis{grid-template-columns:repeat(2,1fr)}
  .dgrid{grid-template-columns:1fr}
  .adm-row{grid-template-columns:60px minmax(0,1fr) 60px;font-size:11.5px}
  .adm-row .gp,.adm-row .st{display:none}
  .adm-form .row2,.adm-form .row3{grid-template-columns:1fr}
}
@media (max-width:600px){
  .clist{grid-template-columns:1fr}
  .demo-main{padding:14px}
  .dkpi b{font-size:18px}
  .ch-stats span{padding:6px 10px}
}