:root{--bg:#f5f6f8;--card:#fff;--fg:#1d2330;--mute:#6b7383;--line:#e3e6eb;--acc:#3b5bdb;--ok:#2f9e44;--warn:#e67700;--bad:#e03131}
@media (prefers-color-scheme:dark){:root{--bg:#14171d;--card:#1c2028;--fg:#e6e8ec;--mute:#9099a8;--line:#2b313c;--acc:#7b93ff}}
*{box-sizing:border-box}body{margin:0;font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}
header{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--line)}
nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-left:auto}nav a{color:var(--fg);text-decoration:none}nav form{margin:0}
main{max-width:1100px;margin:0 auto;padding:16px}h1{font-size:22px;margin:4px 0 14px}h2{font-size:17px;margin:0 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.grid .card{margin:0}
.big{font-size:22px;font-weight:600}.mute{color:var(--mute)}.ok{color:var(--ok)}.warn{color:var(--warn)}.bad{color:var(--bad)}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--mute);font-weight:500}td a{color:var(--acc);text-decoration:none;font-weight:600}
.scroll{overflow-x:auto}input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);max-width:100%}
button,.btn{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--acc);background:var(--acc);color:#fff;cursor:pointer;text-decoration:none;display:inline-block}
button.sec,.btn.sec{background:transparent;color:var(--acc)}button.danger{background:var(--bad);border-color:var(--bad)}
button.link{background:none;border:0;color:var(--mute);padding:0}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:end}.row label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--mute)}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;background:var(--card);border:1px solid var(--line)}.flash.ok{border-color:var(--ok)}.flash.bad{border-color:var(--bad)}
.qr{display:flex;gap:16px;flex-wrap:wrap}.qr figure{margin:0;text-align:center}.qr img{width:240px;height:240px;background:#fff;padding:6px;border-radius:8px}
.uri{width:100%;font-family:ui-monospace,monospace;font-size:12px;height:70px}.login{max-width:360px;margin:60px auto}.login input{width:100%;margin-bottom:10px}
.codes{font-family:ui-monospace,monospace;columns:2}
th.sort{cursor:pointer;user-select:none}th.sort:hover{color:var(--fg)}th.sort[data-dir="asc"]::after{content:" ▲"}th.sort[data-dir="desc"]::after{content:" ▼"}.hint{font-size:13px;color:var(--mute)}