:root { --bg:#f4f5f7; --card:#fff; --ink:#1c2430; --muted:#6b7686; --line:#e3e6eb; --accent:#1f6feb; --danger:#c62828; --ok:#2e9e5b; }
* { box-sizing: border-box; }
body { margin:0; font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; background:var(--bg); color:var(--ink); }
header { display:flex; justify-content:space-between; align-items:center; padding:12px 16px; background:var(--ink); color:#fff; }
header .brand { color:#fff; font-weight:700; text-decoration:none; }
header .muted { color:#aab4c2; }
header button.link { color:#fff; }
main { max-width:720px; margin:0 auto; padding:16px; }
h1 { font-size:1.45rem; margin:8px 0 12px; }
h2 { font-size:1.05rem; margin:0 0 10px; }
h3 { font-size:.95rem; margin:18px 0 8px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:16px; margin-bottom:14px; }
.card.narrow { max-width:360px; margin:40px auto; }
.center { text-align:center; }
.right { text-align:right; }
.muted { color:var(--muted); font-size:.9rem; }
.row { display:flex; justify-content:space-between; align-items:center; gap:10px; padding:12px 4px; border-bottom:1px solid var(--line); color:inherit; text-decoration:none; }
.row:last-of-type { border-bottom:0; }
a.row:hover { background:#f8f9fb; }
.num { display:inline-block; min-width:2.6em; padding:1px 7px; border-radius:6px; background:#eef2f8; font-variant-numeric:tabular-nums; font-size:.88rem; text-align:center; }
.dot { display:inline-block; width:10px; height:10px; border-radius:50%; background:#c3c9d2; margin-right:8px; }
.dot.online { background:var(--ok); }
.legend { font-size:.8rem; color:var(--muted); margin:10px 0 0; }
.legend .dot { margin:0 4px 0 10px; }
label { display:block; margin:10px 0; font-size:.9rem; color:var(--muted); }
label.radio { color:var(--ink); font-size:1rem; margin:6px 0; }
input:not([type=radio]), select { display:block; width:100%; margin-top:4px; padding:10px 12px; font:inherit; color:var(--ink); border:1px solid #cfd5dd; border-radius:8px; background:#fff; }
form.inline { display:flex; gap:8px; flex-wrap:wrap; margin-top:12px; }
form.inline input, form.inline select { flex:1 1 160px; margin:0; width:auto; }
form.inline input.short { flex:0 1 120px; }
button { font:inherit; padding:10px 16px; border-radius:8px; border:1px solid #cfd5dd; background:#fff; color:var(--ink); cursor:pointer; margin-top:6px; }
button.primary { background:var(--accent); border-color:var(--accent); color:#fff; }
button.danger { color:var(--danger); border-color:#e8b9b9; }
button.link { border:0; background:none; padding:4px 6px; margin:0; color:var(--accent); }
button.link.danger { color:var(--danger); }
.flash { background:#e8f1ff; border:1px solid #bcd4fb; padding:10px 14px; border-radius:10px; margin-bottom:14px; }
.back { display:inline-block; color:var(--accent); text-decoration:none; margin-bottom:4px; }
code { background:#f0f2f5; padding:2px 6px; border-radius:5px; font-size:.88rem; }
code.wrap { word-break:break-all; }
.qr svg { width:240px; max-width:80%; height:auto; }
.badge.on { background:#e2f5ea; color:#1d7a44; padding:2px 8px; border-radius:6px; font-size:.85rem; }
table { width:100%; border-collapse:collapse; margin-top:10px; }
th, td { text-align:left; padding:7px 4px; border-bottom:1px solid var(--line); font-size:.92rem; vertical-align:top; }
th { color:var(--muted); font-weight:500; width:40%; }
summary { cursor:pointer; font-weight:600; }
ul.sortable { list-style:none; margin:0; padding:0; }
ul.sortable li { display:flex; align-items:center; gap:8px; padding:10px 4px; border-bottom:1px solid var(--line); background:#fff; }
ul.sortable li.off .grow { opacity:.45; text-decoration:line-through; }
ul.sortable li form { margin:0; }
.handle { cursor:grab; font-size:1.3rem; padding:4px 10px; color:var(--muted); touch-action:none; user-select:none; }
.grow { flex:1; }
.sortable-ghost { background:#eaf2ff !important; }
[hidden] { display:none !important; }