:root{--paper:#eef3f8;--panel:#fff;--ink:#152c43;--muted:#587088;--line:#d6e0ea;--blue:#2166ab;--nav:#183952;--good:#20765b;--bad:#a43738}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 "Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--blue)}button,input,select,textarea{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:0;border-radius:6px;background:var(--blue);color:#fff;padding:9px 20px;cursor:pointer;text-decoration:none;font-weight:600}button.secondary{color:var(--ink);background:#e4edf6}button:disabled{opacity:.5;cursor:wait}input,select,textarea{width:100%;padding:11px 13px;border:1px solid #bdcddd;border-radius:6px;background:#fff;color:var(--ink)}input[type=checkbox]{width:auto;accent-color:var(--blue)}:focus-visible{outline:3px solid #66a7e2;outline-offset:3px}header{background:var(--nav);color:white;padding:23px max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px}header .status{color:#cfdeeb}header a{color:#cfdeeb;text-decoration:none}.brand{font:700 22px/1.2 "Bahnschrift","Segoe UI",sans-serif;letter-spacing:2px}.brand span{font-size:12px;font-weight:400;letter-spacing:1px;margin-left:14px;color:#b9d1e4}.layout{display:grid;grid-template-columns:280px 1fr;max-width:1120px;margin:42px auto;gap:44px;padding:0 24px}.side{border-top:4px solid var(--blue);padding-top:18px}.eyebrow{color:var(--muted);font-size:12px;letter-spacing:1px;margin:0 0 8px}.side h1{font:600 29px/1.25 "Bahnschrift","Microsoft YaHei",sans-serif;margin:0 0 18px}.side p{color:var(--muted)}.identity{margin-top:30px;border-top:1px solid var(--line);padding-top:20px}.machine{font:12px/1.8 Consolas,monospace;overflow-wrap:anywhere;color:var(--muted);margin:8px 0 14px}.room{font:600 34px/1.2 "Bahnschrift","Microsoft YaHei",Consolas,monospace;letter-spacing:3px;color:var(--blue);margin:9px 0}.content{min-width:0}.section{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:27px 30px;margin-bottom:20px}.section h2{font-size:19px;margin:0 0 22px}.field{margin-bottom:18px}.field label{display:block;font-weight:600;margin-bottom:7px}.help{color:var(--muted);font-size:13px;margin:7px 0}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.row .grow{flex:1;min-width:180px}.status{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:14px}.dot{width:9px;height:9px;background:#9baab8;border-radius:50%;flex-shrink:0}.status.good{color:var(--good)}.status.good .dot{background:var(--good)}.status.bad{color:var(--bad)}.status.bad .dot{background:var(--bad)}.notice{min-height:24px;font-size:14px;color:var(--bad);overflow-wrap:anywhere;margin:14px 0 0}.details{display:grid;grid-template-columns:1fr 1fr;gap:14px;border-top:1px solid var(--line);padding-top:17px;margin-top:21px}.details small{display:block;color:var(--muted);font-size:12px}.details strong{font:500 17px Consolas,monospace}.entrance{padding:45px 38px}.entrance h2{font-size:27px;line-height:1.3;margin-bottom:14px}.room-input{font:32px Consolas,monospace;letter-spacing:5px;padding:17px}.wide{width:100%;margin-top:10px}.subtle{font-size:13px;color:var(--muted)}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px 10px}th{color:var(--muted);font-weight:500}td.code{font:11px/1.5 Consolas,monospace;max-width:240px;overflow-wrap:anywhere}td button{font-size:12px;min-height:34px;padding:5px 10px}.admin-layout{max-width:1120px;margin:35px auto;padding:0 24px}.admin-layout .section{padding:25px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}textarea.codes{font:13px/1.7 Consolas,monospace;min-height:150px}footer{max-width:1120px;margin:30px auto;padding:0 24px;color:var(--muted);font-size:12px}[hidden]{display:none!important}@media(max-width:720px){header{padding:18px 20px}.brand span{display:block;margin:5px 0 0}.layout{grid-template-columns:1fr;gap:24px;margin-top:25px;padding:0 18px}.side h1{font-size:25px}.identity{margin-top:17px}.section,.entrance{padding:23px 20px}.admin-grid{grid-template-columns:1fr}.admin-layout{padding:0 18px}.room-input{font-size:27px}.row button{flex-shrink:0}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}