:root{--navy:#162f4b;--blue:#2574b8;--teal:#178f79;--bg:#f3f6f9;--line:#d7e0e8;--text:#172b3f;--muted:#637589;--danger:#b8434b}*{box-sizing:border-box}body{margin:0;font-family:"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}button,input{font:inherit}button,a{transition:.15s ease}button{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:7px;padding:10px 14px;cursor:pointer}button:hover,a:hover{filter:brightness(.97)}.primary{background:var(--teal);border-color:var(--teal);color:#fff}.eyebrow{margin:0;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.1em}.muted{color:var(--muted);line-height:1.7}.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(300px,520px) minmax(360px,500px);justify-content:center;align-items:center;gap:70px;padding:38px}.auth-brand{display:flex;align-items:center;gap:20px}.auth-brand>span{width:76px;height:76px;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:38px;font-weight:700;border-radius:14px}.auth-brand h1{font-size:42px;margin:0}.auth-brand p{margin:6px 0 0;color:var(--muted);font-size:18px}.auth-card,.admin-card{background:#fff;border:1px solid var(--line);box-shadow:0 12px 40px rgba(21,45,70,.08);border-radius:12px}.auth-card{padding:40px}.auth-card h2{font-size:28px;margin:8px 0 4px}.auth-card form{display:grid;gap:16px;margin-top:24px}.auth-card label,.create-grid label{display:grid;gap:7px;font-size:14px;font-weight:600}.auth-card input,.create-grid input,dialog input{width:100%;border:1px solid #bbc9d7;border-radius:7px;padding:12px;background:#fff}.auth-card button{width:100%;padding:12px}.message{min-height:20px;margin:0;color:var(--danger);font-size:13px}.message.success{color:var(--teal)}.contact{border-top:1px solid var(--line);margin-top:26px;padding-top:20px;text-align:center;color:var(--muted);line-height:1.7}.admin-head{height:72px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 30px}.admin-head>div{display:flex;align-items:center;gap:11px}.logo{width:38px;height:38px;border:1px solid rgba(255,255,255,.4);display:grid;place-items:center;font-size:20px;font-weight:700}.admin-head small{display:block;color:#b9c8d7;margin-top:2px}.admin-head nav{display:flex;gap:9px}.admin-head a,.admin-head button{padding:8px 12px;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:7px;text-decoration:none}.admin-main{max-width:1280px;margin:0 auto;padding:30px}.admin-intro{display:flex;align-items:end;justify-content:space-between;margin-bottom:20px}.admin-intro h1{font-size:30px;margin:7px 0}.admin-intro p{margin-bottom:0;color:var(--muted)}.summary{min-width:130px;background:var(--navy);color:#fff;padding:17px 20px;border-radius:10px;display:grid}.summary b{font-size:28px}.summary span{font-size:12px;color:#c5d3e0}.admin-card{padding:22px;margin-bottom:20px}.admin-card h2{margin:0 0 15px}.create-grid{display:grid;grid-template-columns:1fr 1fr 1fr auto;align-items:end;gap:14px}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.section-head h2,.section-head p{margin:0}.section-head p{color:var(--muted);font-size:13px;margin-top:5px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;min-width:920px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 10px;font-size:13px}th{color:var(--muted);background:#f7f9fb}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e7f4ef;color:#16725f}.badge.off{background:#f7e8e9;color:var(--danger)}.row-actions{display:flex;flex-wrap:wrap;gap:6px}.row-actions button{padding:6px 9px;font-size:12px}.row-actions .danger{color:var(--danger)}dialog{border:0;border-radius:10px;box-shadow:0 18px 60px rgba(0,0,0,.2);padding:24px;width:min(360px,calc(100% - 32px))}dialog::backdrop{background:rgba(9,25,42,.45)}dialog form{display:grid;gap:18px}dialog h3{margin:0}dialog form div{display:flex;justify-content:flex-end;gap:8px}@media(max-width:800px){.auth-shell{grid-template-columns:1fr;gap:30px;padding:20px}.auth-brand{justify-content:center}.auth-brand h1{font-size:32px}.auth-card{padding:26px}.admin-head{padding:0 15px}.admin-main{padding:18px}.admin-intro{align-items:start}.create-grid{grid-template-columns:1fr}.summary{display:none}}