:root{--bg:#f4f6f8;--panel:#fff;--panel-2:#f8fafc;--text:#172033;--muted:#687386;--line:#e4e9f0;--primary:#2458d6;--success:#14804a;--warning:#b85c00;--danger:#c9362b;--shadow:0 8px 28px rgba(31,45,68,.08);color-scheme:light}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.shell{min-height:100vh;display:grid;grid-template-columns:224px minmax(0,1fr)}.sidebar{background:#111827;color:#dbe4f3;padding:24px 16px;position:sticky;top:0;height:100vh}.brand{color:#fff;font-size:18px;font-weight:750;padding:0 10px 24px}.nav{display:grid;gap:6px}.nav a{padding:11px 12px;border-radius:9px;color:#b9c4d5}.nav a:hover{background:#1f2937;color:#fff}.sidebar-foot{position:absolute;left:16px;right:16px;bottom:20px}.admin-name{color:#91a0b7;font-size:12px;margin-bottom:9px}.content{padding:28px 32px 56px;min-width:0}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.page-head h1{margin:0 0 6px;font-size:25px}.page-head p{margin:0;color:var(--muted)}.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:20px}.card h2{margin:0 0 16px;font-size:16px}.stat-label{color:var(--muted);margin-bottom:10px}.stat-value{font-size:28px;font-weight:760}.stat-note{color:var(--muted);margin-top:7px;font-size:12px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{color:var(--muted);font-weight:600;text-align:left;background:var(--panel-2)}th,td{border-bottom:1px solid var(--line);padding:12px 14px;white-space:nowrap}tbody tr:hover{background:#fafcff}.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:650;background:#eef2f7;color:#526074}.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.badge.success{background:#e8f7ef;color:var(--success)}.badge.warning{background:#fff4e5;color:var(--warning)}.badge.danger{background:#fdeceb;color:var(--danger)}.toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}.input,.select{width:100%;border:1px solid #cfd7e3;border-radius:9px;padding:10px 12px;background:#fff;color:var(--text);outline:none}.input:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,88,214,.12)}.toolbar .input{max-width:320px}.toolbar .select{max-width:180px}.button{border:0;border-radius:9px;padding:10px 14px;background:var(--primary);color:#fff;font-weight:650;display:inline-block}.button:hover{filter:brightness(.92)}.button.secondary{background:#e9eef7;color:#334155}.button.danger{background:var(--danger)}.button.small{padding:7px 10px;font-size:12px}.link{color:var(--primary);font-weight:650}.form{display:grid;gap:16px}.field{display:grid;gap:7px}.field label{font-weight:650}.help{color:var(--muted);font-size:12px;line-height:1.6}.notice{padding:12px 14px;border-radius:9px;background:#eef4ff;color:#294a91}.error{padding:12px 14px;border-radius:9px;background:#fdeceb;color:#9f241d}.empty{color:var(--muted);text-align:center;padding:34px}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top left,#dbeafe 0,transparent 35%),#f5f7fb}.login-card{width:min(420px,100%);padding:32px}.login-card h1{margin:0 0 8px}.login-card>p{color:var(--muted);margin:0 0 24px}.metric-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}.metric-row:last-child{border-bottom:0}.muted{color:var(--muted)}.mt{margin-top:16px}.mb{margin-bottom:16px}.right{text-align:right}.settings-card{max-width:680px}code{word-break:break-all}@media(max-width:980px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col{grid-template-columns:1fr}}@media(max-width:720px){.shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;padding:16px}.brand{padding-bottom:14px}.nav{grid-template-columns:repeat(4,1fr)}.nav a{text-align:center;padding:9px 5px;font-size:12px}.sidebar-foot{position:static;margin-top:12px}.content{padding:22px 16px 40px}.stats{grid-template-columns:1fr}}