/* ============ Admin 后台设计系统 ============ */
:root{
  --bg:#08090d;--bg2:#0d0f15;--card:#11141c;--card2:#171b26;
  --line:rgba(255,255,255,.07);--line2:rgba(255,255,255,.13);
  --txt:#eef1f6;--sub:#8f97a8;
  --acc:#6d5cf6;--acc2:#22d3ee;--grad:linear-gradient(135deg,#6d5cf6,#22d3ee);
  --ok:#34d399;--bad:#fb7185;--warn:#fbbf24;--r:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--txt);background:var(--card2);border:1px solid var(--line2);border-radius:10px;padding:9px 12px;outline:none;width:100%;transition:border .2s}
input:focus,select:focus,textarea:focus{border-color:rgba(109,92,246,.7)}
select option{background:#171b26}
textarea{min-height:80px;resize:vertical}
label.fld{display:block;margin-bottom:13px}
label.fld>span{display:flex;gap:4px;font-size:12px;color:var(--sub);margin-bottom:6px}
label.fld>span em{color:var(--bad);font-style:normal}

.layout{display:flex;min-height:100vh}
.side{width:212px;flex:none;background:var(--bg2);border-right:1px solid var(--line);padding:18px 12px;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .logo{font-weight:800;font-size:17px;letter-spacing:1px;padding:4px 10px 18px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.side .grp{font-size:11px;color:#525a6b;padding:14px 10px 6px;letter-spacing:1px}
.side a{display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:10px;color:var(--sub);font-size:13.5px;margin-bottom:2px;transition:all .15s;position:relative}
.side a:hover{color:var(--txt);background:rgba(255,255,255,.04)}
.side a.on{background:linear-gradient(135deg,rgba(109,92,246,.2),rgba(34,211,238,.1));color:#fff;font-weight:600}
.side a .dot{position:absolute;right:10px;width:7px;height:7px;border-radius:50%;background:var(--bad)}
.main{flex:1;padding:22px 26px;min-width:0}
.mhead{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.mhead h1{font-size:20px;font-weight:700}
.mhead .sp{flex:1}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:18px}
.card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.card h3 .more{margin-left:auto;font-size:12px;color:var(--sub);font-weight:400}
.card h3 .more a{color:var(--acc2)}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 17px;position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);opacity:.7}
.stat .k{font-size:12px;color:var(--sub)}
.stat .v{font-size:24px;font-weight:800;margin-top:6px;letter-spacing:.5px}
.stat .v.gold{color:var(--warn)}.stat .v.ok{color:var(--ok)}.stat .v.acc{color:#a99bff}.stat .v.bad{color:var(--bad)}

table{width:100%;border-collapse:collapse}
th{font-size:12px;color:var(--sub);text-align:left;padding:9px 10px;border-bottom:1px solid var(--line2);font-weight:600;white-space:nowrap}
td{padding:11px 10px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
tr:last-child td{border-bottom:none}
td .thumb{width:44px;height:44px;border-radius:9px;object-fit:cover;border:1px solid var(--line2)}
td .thumb-ph{width:44px;height:44px;border-radius:9px;background:var(--card2);display:flex;align-items:center;justify-content:center;font-size:10px;color:#3d4454}
.table-scroll{overflow-x:auto}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 15px;border-radius:10px;font-size:13.5px;font-weight:600;border:1px solid transparent;transition:all .15s}
.btn-pri{background:var(--grad);color:#fff}
.btn-ghost{background:var(--card2);border-color:var(--line2);color:var(--txt)}
.btn-ok{background:rgba(52,211,153,.15);border-color:rgba(52,211,153,.4);color:#6ee7b7}
.btn-bad{background:rgba(251,113,133,.14);border-color:rgba(251,113,133,.4);color:#fda4af}
.btn-warn{background:rgba(251,191,36,.13);border-color:rgba(251,191,36,.4);color:#fcd34d}
.btn-sm{padding:5px 10px;font-size:12.5px;border-radius:8px}
.btn[disabled]{opacity:.4;pointer-events:none}

.tag{display:inline-flex;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:var(--card2);border:1px solid var(--line2);color:var(--sub)}
.tag.ok{color:#6ee7b7;border-color:rgba(52,211,153,.4)}
.tag.bad{color:#fda4af;border-color:rgba(251,113,133,.4)}
.tag.warn{color:#fcd34d;border-color:rgba(251,191,36,.4)}
.tag.acc{color:#a99bff;border-color:rgba(109,92,246,.5)}

.filter{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:15px}
.filter input,.filter select{width:auto;min-width:160px}
.pager{display:flex;gap:7px;justify-content:center;margin-top:16px}
.pager a,.pager span{padding:6px 12px;border-radius:9px;background:var(--card2);border:1px solid var(--line2);font-size:13px}
.pager .on{background:var(--grad);border-color:transparent;color:#fff}
.pager .dis{opacity:.35;pointer-events:none}

.upl{display:flex;gap:10px;flex-wrap:wrap}
.upl .box{width:84px;height:84px;border-radius:12px;border:1px dashed var(--line2);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--sub);font-size:11px;gap:4px;overflow:hidden;position:relative;cursor:pointer;background:var(--card2)}
.upl .box img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.upl .box.has{border-style:solid;border-color:rgba(109,92,246,.5)}
.upl .box input{display:none}

.chat-mini{max-height:420px;overflow-y:auto;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:12px}
.cmsg{max-width:78%;display:flex;gap:8px}
.cmsg .who{font-size:11px;color:var(--sub);margin-bottom:2px}
.cmsg .bub{background:var(--card2);border:1px solid var(--line2);border-radius:4px 12px 12px 12px;padding:7px 11px;font-size:13px;word-break:break-all;white-space:pre-wrap}
.cmsg .bimg{max-width:180px;border-radius:8px;margin-top:3px}
.cmsg.mine{align-self:flex-end;flex-direction:row-reverse}
.cmsg.mine .bub{background:linear-gradient(135deg,rgba(109,92,246,.8),rgba(99,102,241,.75));border:none}
.cmsg.sys{align-self:center}
.cmsg.sys .bub{background:transparent;border:1px dashed var(--line2);color:var(--sub);font-size:12px}
.imgprev{max-width:120px;max-height:120px;object-fit:cover;border-radius:8px;border:1px solid var(--line2)}

.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:#171b26;border:1px solid var(--line2);padding:10px 18px;border-radius:11px;z-index:300;opacity:0;pointer-events:none;transition:all .25s;font-size:13.5px}
.toast.show{opacity:1}
.empty{padding:40px;text-align:center;color:#4d5568;font-size:13px}

.search-big{display:flex;gap:9px;margin-bottom:20px}
.search-big input{flex:1;font-size:15px;padding:12px 16px}

@media (max-width:900px){
  .layout{flex-direction:column}
  .side{width:100%;height:auto;position:static;display:flex;flex-wrap:wrap;padding:10px;gap:2px}
  .side .logo{width:100%;padding:6px 10px 10px}
  .side .grp{display:none}
  .side a{padding:7px 10px;font-size:12.5px}
  .main{padding:14px}
}