:root { --bg:#f6f7f9; --card:#fff; --text:#1c2330; --muted:#667085; --line:#e3e7ee; --accent:#2563eb; --accent-t:#fff; --ok:#137a3f; --warn:#a15c00; --err:#b42318; --code:#f1f3f7; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bg:#0f141b; --card:#171e28; --text:#e6eaf0; --muted:#98a2b3; --line:#283140; --accent:#5b8def; --accent-t:#0b1220; --ok:#4cc38a; --warn:#f0b35a; --err:#ff8a80; --code:#1f2733; } }
:root[data-theme="dark"] { --bg:#0f141b; --card:#171e28; --text:#e6eaf0; --muted:#98a2b3; --line:#283140; --accent:#5b8def; --accent-t:#0b1220; --ok:#4cc38a; --warn:#f0b35a; --err:#ff8a80; --code:#1f2733; }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--text); font:15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header { display:flex; flex-wrap:wrap; gap:12px 20px; align-items:center; padding:12px 16px; background:var(--card); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:5; }
header[hidden] { display:none; }
.brand { display:flex; gap:10px; align-items:baseline; }
nav { display:flex; gap:4px; flex:1; }
nav button { background:none; border:0; padding:8px 12px; border-radius:8px; color:var(--muted); cursor:pointer; font:inherit; }
nav button.active { background:var(--code); color:var(--text); font-weight:600; }
.who { display:flex; gap:10px; align-items:center; }
main { max-width:1100px; margin:16px auto; padding:0 16px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:16px; margin-bottom:16px; }
.narrow { max-width:380px; margin:12vh auto 0; }
.scroll { overflow-x:auto; }
h1, h2 { margin:0 0 12px; font-size:20px; }
h2 { font-size:17px; }
label { display:block; margin-bottom:12px; color:var(--muted); font-size:13px; }
input { width:100%; margin-top:4px; padding:9px 11px; border:1px solid var(--line); border-radius:8px; background:var(--bg); color:var(--text); font:inherit; }
.row { display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.row input { flex:1 1 220px; margin:0; }
.row.end { justify-content:flex-end; margin-top:14px; }
button { font:inherit; padding:9px 14px; border-radius:8px; border:1px solid var(--line); background:var(--card); color:var(--text); cursor:pointer; }
button.primary { background:var(--accent); border-color:var(--accent); color:var(--accent-t); font-weight:600; }
button.danger { color:var(--err); border-color:var(--err); }
button.ghost { background:none; }
button:disabled { opacity:.5; cursor:default; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }
table { width:100%; border-collapse:collapse; min-width:640px; }
th { text-align:left; font-size:12px; color:var(--muted); font-weight:600; padding:6px 8px; border-bottom:1px solid var(--line); white-space:nowrap; }
td { padding:9px 8px; border-bottom:1px solid var(--line); vertical-align:middle; }
tr:last-child td { border-bottom:0; }
td.actions { white-space:nowrap; text-align:right; }
td.actions button { padding:6px 10px; font-size:13px; margin-left:4px; }
.muted { color:var(--muted); }
.err { color:var(--err); min-height:1.4em; }
.badge { display:inline-block; padding:2px 8px; border-radius:999px; font-size:12px; background:var(--code); }
.badge.ok { color:var(--ok); } .badge.warn { color:var(--warn); } .badge.err { color:var(--err); }
code, pre, textarea { font-family:ui-monospace, SFMono-Regular, Menlo, monospace; font-size:12.5px; }
pre, code { background:var(--code); border-radius:6px; padding:2px 6px; }
pre { padding:10px; overflow-x:auto; }
textarea { width:100%; min-height:120px; padding:8px; border:1px solid var(--line); border-radius:8px; background:var(--code); color:var(--text); resize:vertical; }
dialog { border:1px solid var(--line); border-radius:14px; background:var(--card); color:var(--text); padding:18px; width:min(680px, calc(100vw - 32px)); }
dialog::backdrop { background:rgba(0,0,0,.45); }
.qr-live-wrap { display:flex; justify-content:center; margin:12px 0; }
.qr-live { width:min(70vw, 320px); height:min(70vw, 320px); background:#fff; border-radius:10px; padding:10px; box-sizing:border-box; }
select { padding:8px 10px; border:1px solid var(--line); border-radius:8px; background:var(--card); color:var(--text); font:inherit; }
#toast { position:fixed; bottom:16px; left:50%; transform:translateX(-50%); background:var(--text); color:var(--bg); padding:9px 14px; border-radius:10px; opacity:0; pointer-events:none; transition:opacity .2s; max-width:calc(100vw - 32px); }
#toast.show { opacity:1; }
@media (max-width:640px) { header { padding:10px 12px; } .who { width:100%; justify-content:space-between; } }