:root{--ink:#0f172a;--mut:#64748b;--line:#e2e8f0;--bg:#f1f5f9;--pri:#4f46e5;--pri2:#22c3ee;--dan:#dc2626;--ok:#059669;--side:#0b1f3a;--r:12px}
*{box-sizing:border-box}
body{margin:0;font:15px/1.6 "Noto Sans TC",system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--pri);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.layout{display:flex;min-height:100vh}
.side{width:236px;flex:0 0 236px;background:var(--side);color:#cbd5e1;position:sticky;top:0;height:100vh;overflow:auto;padding-bottom:24px}
.side-brand{display:flex;gap:10px;align-items:center;padding:18px 18px 14px;color:#fff;font-weight:700;font-size:15px;line-height:1.3}
.side-brand:hover{text-decoration:none}
.side-brand span,.login-brand span{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--pri2),var(--pri));display:grid;place-items:center;font-weight:900;color:#fff;flex:0 0 40px}
.side-brand small,.login-brand small{display:block;font-weight:400;color:#94a3b8;font-size:12px}
.side nav a{display:flex;align-items:center;gap:10px;padding:9px 18px;color:#cbd5e1;border-left:3px solid transparent}
.side nav a:hover{background:rgba(255,255,255,.06);text-decoration:none;color:#fff}
.side nav a.on{background:rgba(99,102,241,.22);color:#fff;border-left-color:var(--pri2)}
.side nav svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 18px}
.side-group{margin:18px 18px 6px;font-size:12px;color:#64748b;letter-spacing:.08em}
.badge{background:var(--dan);color:#fff;border-radius:999px;font-size:11px;padding:0 7px;margin-left:auto}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:14px;background:#fff;border-bottom:1px solid var(--line);padding:0 24px;height:60px;position:sticky;top:0;z-index:5}
.top h1{font-size:18px;margin:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-r{display:flex;align-items:center;gap:14px;font-size:14px}
.top-r form{margin:0}
.who{color:var(--mut)}
.menu-btn{display:none;border:0;background:none;font-size:22px;cursor:pointer}
.content{padding:24px;max-width:1280px;width:100%}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;margin-bottom:20px}
.panel.p0{padding:0;overflow:auto}
.panel.narrow{max-width:520px}
.panel h2{font-size:16px;margin:0 0 14px}
.muted{color:var(--mut)}
.lnk{font-size:14px}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 16px;border-radius:9px;font:inherit;font-size:14px;cursor:pointer;white-space:nowrap;line-height:1.3}
.btn:hover{border-color:#cbd5e1;text-decoration:none;background:#f8fafc}
.btn.primary{background:var(--pri);border-color:var(--pri);color:#fff}
.btn.primary:hover{background:#4338ca}
.btn.danger{color:var(--dan);border-color:#fecaca}
.btn.danger:hover{background:#fef2f2}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 11px;font-size:13px}
.btn.block{width:100%;justify-content:center;padding:12px}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.bar-r{display:flex;gap:8px}
.search{display:flex;gap:8px;flex-wrap:wrap}
.search input,.search select{padding:8px 12px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:14px;min-width:220px;background:#fff}
.search select{min-width:160px}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-weight:500;color:var(--mut);background:#f8fafc;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#fafbff}
.tbl tr.unread td{font-weight:500;background:#fffbeb}
.tbl .num{text-align:right}
.tbl .act{text-align:right;white-space:nowrap}
.tbl .act form{display:inline}
.tbl .empty{text-align:center;color:var(--mut);padding:40px}
.thumb{width:72px;height:48px;object-fit:cover;border-radius:6px;background:#f1f5f9}
.tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:999px;background:#f1f5f9;color:var(--mut)}
.tag.on{background:#ecfdf5;color:var(--ok)}
.tag.new{background:#fef2f2;color:var(--dan)}
.secret{cursor:pointer;color:var(--mut);border-bottom:1px dashed #cbd5e1}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}
.alert.ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert.info{background:#eef2ff;color:#3730a3;border:1px solid #c7d2fe}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;color:var(--ink);display:block}
.panel .stat{background:#f8fafc}
a.stat:hover{border-color:var(--pri);text-decoration:none}
.stat small{display:block;color:var(--mut)}
.stat b{font-size:28px;font-weight:700}
.stat b.t{font-size:17px}
.form .fld{margin-bottom:16px}
.form .fld label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}
.form input[type=text],.form input[type=number],.form input[type=email],.form input[type=password],.form input[type=date],.form input[type=datetime-local],.form select,.form textarea{width:100%;padding:9px 12px;border:1px solid #cbd5e1;border-radius:9px;font:inherit;font-size:14px;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--pri);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.form input[readonly]{background:#f1f5f9;color:var(--mut)}
.form textarea{resize:vertical}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.grid2 .wide{grid-column:1/-1}
.req{color:var(--dan)}
.help{display:block;color:var(--mut);font-size:12px;margin-top:4px}
.form-act{display:flex;gap:10px;position:sticky;bottom:0;background:linear-gradient(transparent,var(--bg) 30%);padding:18px 0 6px}
.switch{display:inline-flex!important;align-items:center;gap:10px;cursor:pointer;user-select:none}
.switch input{position:absolute;opacity:0}
.switch span{width:42px;height:24px;border-radius:999px;background:#cbd5e1;position:relative;transition:.2s;flex:0 0 42px}
.switch span::after{content:"";position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;top:3px;left:3px;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked+span{background:var(--pri)}
.switch input:checked+span::after{left:21px}
.switch input:focus-visible+span{outline:2px solid var(--pri);outline-offset:2px}
.upl-cur{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.upl-cur img{max-height:110px;max-width:240px;border-radius:8px;border:1px solid var(--line);background:#f8fafc}
.chk{display:inline-flex!important;gap:6px;align-items:center;font-weight:400!important;color:var(--mut)}
.gal{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.gal-it{position:relative;width:110px;height:110px;border-radius:8px;overflow:hidden;border:1px solid var(--line);cursor:move}
.gal-it img{width:100%;height:100%;object-fit:cover}
.gal-x{position:absolute;top:4px;right:4px;width:24px;height:24px;border-radius:50%;border:0;background:rgba(0,0,0,.6);color:#fff;cursor:pointer;line-height:1}
.gal-it.drag{opacity:.4}
.dl{display:grid;grid-template-columns:90px 1fr;gap:10px 16px;margin:0}
.dl dt{color:var(--mut)}
.dl dd{margin:0}
.pre{white-space:pre-wrap}
.pager{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:16px 0}
.pager a{min-width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-size:14px;padding:0 8px}
.pager a.on{background:var(--pri);color:#fff;border-color:var(--pri)}
.pager a:hover{text-decoration:none;border-color:var(--pri)}
.pager .muted{margin-left:8px;font-size:13px}
.side-mask{display:none}
/* login */
.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,rgba(34,195,238,.35),transparent 45%),radial-gradient(circle at 80% 80%,rgba(99,102,241,.45),transparent 50%),var(--side);padding:20px}
.login-box{width:100%;max-width:400px;background:#fff;border-radius:18px;padding:32px 30px;box-shadow:0 30px 60px rgba(0,0,0,.3)}
.login-brand{display:flex;gap:12px;align-items:center;font-weight:700;margin-bottom:24px;line-height:1.3}
.login-form .fld{display:block;margin-bottom:14px;font-size:14px;font-weight:500}
.login-form .fld input{display:block;width:100%;margin-top:6px;padding:11px 14px;border:1px solid #cbd5e1;border-radius:10px;font:inherit}
.login-form .fld input:focus{outline:0;border-color:var(--pri);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.seg{display:grid;grid-template-columns:1fr 1fr;background:#f1f5f9;border-radius:10px;padding:4px;margin-bottom:18px}
.seg label{cursor:pointer}
.seg input{position:absolute;opacity:0}
.seg span{display:block;text-align:center;padding:8px;border-radius:8px;font-size:14px;color:var(--mut)}
.seg input:checked+span{background:#fff;color:var(--ink);font-weight:700;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.seg input:focus-visible+span{outline:2px solid var(--pri)}
.login-foot{text-align:center;color:var(--mut);font-size:12px;margin:22px 0 0}
@media (max-width:900px){
  .menu-btn{display:block}
  .side{position:fixed;left:0;top:0;z-index:30;transform:translateX(-100%);transition:transform .25s}
  .side-open .side{transform:none}
  .side-open .side-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:20}
  .who,.lnk.hide-m{display:none}
  .content{padding:16px}
  .top{padding:0 14px}
  .grid2{grid-template-columns:1fr}
  .tbl thead{display:none}
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl tr{border-bottom:1px solid var(--line);padding:8px 0}
  .tbl td{border:0;padding:4px 14px;text-align:left!important}
  .tbl td[data-l]::before{content:attr(data-l);display:inline-block;min-width:72px;color:var(--mut);font-size:12px}
  .tbl .act{padding-top:8px}
  .search input{min-width:0;flex:1}
}