:root{--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#68738a;--line:#dfe5ef;--primary:#2563eb;--primary2:#1749bb;--ok:#087f5b;--bad:#c92a2a;--warn:#9a6700;--nav:#101828}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 Inter,system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--primary);text-decoration:none}.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.side{background:var(--nav);color:#fff;padding:26px 18px}.brand{font-size:21px;font-weight:800;margin-bottom:32px}.brand small{display:block;color:#9aa6bd;font-size:11px;letter-spacing:.12em}.nav a{display:block;color:#cdd5e5;padding:10px 12px;margin:4px 0;border-radius:9px}.nav a:hover,.nav a.on{background:#24324b;color:#fff}.main{padding:28px;max-width:1500px}.top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:24px}.top h1{margin:0;font-size:25px}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.card{grid-column:span 12;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 2px 8px rgba(20,35,60,.04)}.card.half{grid-column:span 6}.card h2{font-size:17px;margin:0 0 14px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.stat b{font-size:24px;display:block}.field{margin-bottom:14px}.field label{display:block;font-weight:650;margin-bottom:6px}.help{font-size:12px;color:var(--muted);margin-top:5px}input,select,textarea{width:100%;border:1px solid #cfd7e6;border-radius:9px;background:#fff;color:var(--text);padding:10px 11px;font:inherit}textarea{min-height:80px;resize:vertical}input:focus,select:focus,textarea:focus{outline:3px solid #dbeafe;border-color:#4f83ef}.row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.row.three{grid-template-columns:repeat(3,1fr)}.check{display:flex;align-items:center;gap:8px}.check input{width:auto}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;background:var(--primary);color:#fff;padding:10px 14px;font-weight:700;cursor:pointer}.btn:hover{background:var(--primary2)}.btn.secondary{background:#e8eef9;color:#244064}.btn.danger{background:#fff0f0;color:var(--bad)}.btn.small{padding:7px 10px;font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.flash{padding:12px 15px;border-radius:10px;margin-bottom:18px}.flash.ok{background:#dff7ec;color:var(--ok)}.flash.error{background:#fff0f0;color:var(--bad)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 9px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;color:var(--muted);text-transform:uppercase}.pill{display:inline-block;border-radius:99px;padding:3px 8px;font-size:12px;font-weight:700}.pill.ok{background:#dcfce7;color:#166534}.pill.off{background:#eef1f5;color:#657085}.pill.bad{background:#fee2e2;color:#991b1b}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;word-break:break-all}.auth{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 16px 50px rgba(20,35,60,.12)}.auth-card h1{margin:0 0 5px}.notice{border-left:4px solid #f59f00;background:#fff8db;padding:12px 14px;margin:12px 0;border-radius:7px}.error-text{color:var(--bad);font-size:12px;margin-top:5px}@media(max-width:900px){.shell{grid-template-columns:1fr}.side{padding:14px}.brand{margin-bottom:10px}.nav{display:flex;gap:5px;overflow:auto}.nav a{white-space:nowrap}.main{padding:16px}.card.half{grid-column:span 12}.stats{grid-template-columns:repeat(2,1fr)}.row,.row.three{grid-template-columns:1fr}}@media(max-width:560px){.stats{grid-template-columns:1fr}.top{align-items:flex-start;flex-direction:column}table{display:block;overflow:auto}}