:root{--bg:#f4f5f7;--card:#fff;--fg:#1a1d21;--muted:#6b7280;--line:#e6e8eb;--pri:#2f6fed;--pri-soft:#eaf1ff;--ok:#15803d;--ok-soft:#dcfce7;--warn:#b45309;--warn-soft:#fef3c7;--bad:#b91c1c;--bad-soft:#fee2e2;--side:#0f172a;--side-fg:#cbd5e1;--side-w:220px;--r:10px}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{font:14px/1.55 -apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--pri);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:20px;margin:0}h2{font-size:14px;margin:0 0 10px;color:#374151;letter-spacing:.2px}
/* 布局 */
body.auth{display:flex;min-height:100vh}
.side{width:var(--side-w);background:var(--side);color:var(--side-fg);position:sticky;top:0;height:100vh;display:flex;flex-direction:column;flex-shrink:0}
.side .brand{padding:18px 18px 10px;font-weight:700;color:#fff;font-size:15px;display:flex;justify-content:space-between;align-items:center}
.side nav{flex:1;overflow:auto;padding:4px 10px}
.nav-sec{font-size:11px;color:#64748b;padding:12px 10px 4px;text-transform:uppercase;letter-spacing:.6px}
.side nav a{display:flex;align-items:center;gap:10px;color:var(--side-fg);padding:8px 10px;border-radius:8px;margin-bottom:2px}
.side nav a i{font-style:normal;width:16px;text-align:center;opacity:.7}
.side nav a:hover{background:#1e293b;color:#fff;text-decoration:none}.side nav a.on{background:var(--pri);color:#fff}.side nav a.on i{opacity:1}
.side-foot{padding:12px 18px;font-size:12px;color:#94a3b8;border-top:1px solid #1e293b}.side-foot a{color:#cbd5e1}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--bad);margin-right:6px}.dot.ok{background:#22c55e}
.burger{display:none;cursor:pointer;font-size:18px}
main{flex:1;min-width:0;padding:22px 26px 40px;max-width:1500px}
body.anon main{margin:0 auto}
.page-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:14px}.page-head .muted{font-size:13px}.page-head .btn{margin-left:auto}
/* 卡片 / 统计 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:14px}
.table-wrap{padding:0;overflow:auto}.table-wrap table{min-width:720px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:1000px){.grid2{grid-template-columns:1fr}}
.stat{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;color:inherit}
.stat:hover{text-decoration:none;border-color:#c7d2fe}.stat b{display:block;font-size:24px;line-height:1.2;margin-bottom:4px}.stat span{color:var(--muted);font-size:12px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}.chan{margin:0}.chan.blocked{opacity:.55}.chan-head{display:flex;gap:8px;align-items:center;margin-bottom:4px}
/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f9fafb;color:#4b5563;font-weight:600;white-space:nowrap;font-size:12px}tr:last-child td{border-bottom:0}tbody tr:hover td,tr:hover td{background:#fafbfc}
.pre{white-space:pre-wrap;word-break:break-word;font-family:inherit;margin:0;max-height:240px;overflow:auto}
.muted{color:var(--muted)}.small{font-size:12px}.nowrap{white-space:nowrap}.right{text-align:right}
.warn{color:var(--warn)}.bad{color:var(--bad)}.ok{color:var(--ok)}
.tag{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11px;background:var(--pri-soft);color:#1d4ed8;margin:1px 3px 1px 0;white-space:nowrap}
.tag.ok{background:var(--ok-soft);color:var(--ok)}.tag.warn{background:var(--warn-soft);color:var(--warn)}.tag.bad{background:var(--bad-soft);color:var(--bad)}.tag.gray{background:#f1f3f5;color:#4b5563}
/* 表单 */
input,select,textarea{font:inherit;padding:7px 9px;border:1px solid #d6d9de;border-radius:7px;background:#fff;max-width:100%;color:var(--fg)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px rgba(47,111,237,.12)}
textarea{width:100%;min-height:70px}
button,.btn{font:inherit;padding:7px 14px;border:1px solid #d6d9de;border-radius:7px;background:#fff;cursor:pointer;color:var(--fg);display:inline-block;line-height:1.3}
button:hover,.btn:hover{background:#f3f4f6;text-decoration:none}button.pri,.btn.pri{background:var(--pri);border-color:var(--pri);color:#fff}button.pri:hover{background:#2559c7}
button.sm{padding:3px 9px;font-size:12px}button.danger{color:var(--bad)}form.inline{display:inline}
.filters{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px 12px;align-items:end;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;margin-bottom:14px}
.filters label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);margin:0}
.filters label.check{flex-direction:row;align-items:center;gap:6px;color:var(--fg);padding-bottom:8px}
.filters input,.filters select{width:100%}.filters .actions{display:flex;gap:8px;align-items:center;grid-column:1/-1;padding-top:4px}
.fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px 10px;margin:8px 0}.fields label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--muted)}.fields input,.fields select{width:100%}
.inline-form{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.inline-form label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--muted)}
label{font-size:13px}label > input[type=checkbox]{margin-right:4px}
.flash{background:var(--ok-soft);border:1px solid #a7f3d0;color:#065f46;padding:9px 14px;border-radius:8px;margin-bottom:14px}
.pager{display:flex;gap:14px;align-items:center;margin:12px 0;color:var(--muted);font-size:13px;flex-wrap:wrap}.pager .pages{display:flex;gap:4px;align-items:center}.pager a.on{font-weight:600;color:var(--fg)}.pager .muted a{margin-left:6px}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px}.toolbar input,.toolbar select{padding:6px 9px}
.seg{display:inline-flex;border:1px solid #d6d9de;border-radius:7px;overflow:hidden}.seg a{padding:6px 14px;color:var(--muted);font-size:13px}.seg a.on{background:var(--fg);color:#fff}.seg a:hover{text-decoration:none}
.chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:6px}.chips .lbl{font-size:12px;color:var(--muted);margin-right:2px}
.chip{display:inline-block;padding:3px 11px;border:1px solid #d6d9de;border-radius:999px;font-size:12px;color:var(--muted);background:#fff}.chip:hover{border-color:var(--pri);color:var(--pri);text-decoration:none}
.chip.on{background:var(--pri-soft);color:#1d4ed8;border-color:#bfd0fb}.chip.on.warn{background:var(--warn-soft);color:var(--warn);border-color:#fcd9a0}.chip.clear{color:var(--bad);border-style:dashed}
table.feed td{padding:8px 10px}table.feed th{position:sticky;top:0}
.colpick{position:relative;margin-left:auto}.colpick summary{list-style:none;cursor:pointer}.colpick summary::-webkit-details-marker{display:none}
.colmenu{position:absolute;right:0;top:34px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:grid;grid-template-columns:1fr 1fr;gap:4px 14px;z-index:5;min-width:260px;box-shadow:0 6px 20px rgba(0,0,0,.08)}.colmenu label{font-size:13px;white-space:nowrap}.colmenu button{grid-column:1/-1;margin-top:4px}
.review-row{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}.review-row:last-child{border-bottom:0}.review-row > div:first-child{flex:1;min-width:0}
details summary{cursor:pointer;color:var(--pri)}.md{white-space:pre-wrap;line-height:1.65}
code{background:#f1f3f5;padding:1px 5px;border-radius:4px;font-size:12px}
@media(max-width:800px){
  body.auth{display:block}.side{position:fixed;height:auto;width:100%;z-index:10}.side nav,.side-foot{display:none}
  #navtoggle:checked ~ .side nav,#navtoggle:checked ~ .side .side-foot{display:block}.burger{display:inline}
  main{padding:70px 12px 30px}th,td{padding:7px 8px}.filters{grid-template-columns:1fr 1fr}
}