:root{--bg:#f4f5f7;--card:#fff;--text:#1f2328;--muted:#6b7280;--line:#e5e7eb;--accent:#d9480f;--ok:#15803d;--warn:#b45309;--err:#b91c1c;--info:#1d4ed8}
@media(prefers-color-scheme:dark){:root{--bg:#121417;--card:#1b1f24;--text:#e6e8eb;--muted:#9aa3ad;--line:#2d333b;--accent:#ff8a4c}}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
header{background:var(--card);border-bottom:1px solid var(--line);padding:0 16px}header .in{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:20px;height:56px}
header a{color:var(--text);text-decoration:none;padding:4px 0}header a.brand{font-weight:700;color:var(--accent)}header a.active{border-bottom:2px solid var(--accent)}header .sp{flex:1}
main{max-width:1100px;margin:0 auto;padding:20px 16px}h1{font-size:22px;margin:0 0 16px}h2{font-size:17px;margin:24px 0 8px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.card h3{margin:0 0 6px;font-size:14px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;color:#fff;background:var(--muted)}
.badge.ok{background:var(--ok)}.badge.warn{background:var(--warn)}.badge.err{background:var(--err)}.badge.info{background:var(--info)}
.btn{display:inline-block;border:1px solid var(--line);background:var(--card);color:var(--text);padding:7px 14px;border-radius:8px;cursor:pointer;font:inherit;text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.small{padding:3px 10px;font-size:13px}.btn.danger{color:var(--err)}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:16px;background:#dcfce7;color:#14532d}.flash.err{background:#fee2e2;color:#7f1d1d}
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:14px}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.small{font-size:12px}
.wrap{overflow-x:auto}form .row{display:grid;grid-template-columns:220px 1fr;gap:8px 16px;align-items:center;margin-bottom:10px}
input[type=text],input[type=password],input[type=number],select{width:100%;max-width:480px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);font:inherit}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}pre{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;overflow-x:auto}
.code{font-size:38px;letter-spacing:.15em;font-weight:700;margin:12px 0}
.help{color:var(--muted);font-size:13px;margin:-6px 0 12px}
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:14px}.actions p{margin:0}.wrap-any{word-break:break-all}
.card form{margin-top:4px}.card p{margin:4px 0}
@media(max-width:760px){
 body{font-size:16px}main{padding:14px 12px}h1{font-size:20px}
 header .in{gap:14px;font-size:14px;height:50px;overflow-x:auto;white-space:nowrap}
 form .row{grid-template-columns:1fr;gap:4px;margin-bottom:12px}input[type=text],input[type=password],input[type=number],select{max-width:none;font-size:16px}
 .btn{padding:10px 16px}.btn.small{padding:6px 12px}.actions form,.actions .btn{width:100%}.actions .btn{text-align:center}
 .hide-m{display:none !important}
 table,thead,tbody,tr,td{display:block}thead{display:none}
 tr.room{border-bottom:1px solid var(--line);padding:10px 12px}tr.room:last-child{border-bottom:0}
 tr.room td{border:0;padding:3px 0;display:flex;justify-content:space-between;align-items:baseline;gap:12px;text-align:right}
 tr.room td.title{display:block;text-align:left;padding-bottom:6px}tr.room td.status{display:block;text-align:left;padding-top:6px}
 tr.room td[data-label]::before{content:attr(data-label);color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em;text-align:left;flex:1}
 tr.room td.num{font-variant-numeric:tabular-nums}
 .code{font-size:30px}pre{font-size:12px;white-space:pre-wrap;word-break:break-all}
}