*{box-sizing:border-box}
body{margin:0;font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:#f3f5f7;color:#1f2933}
a{color:#0b7a5a}
header.top{display:flex;align-items:center;gap:24px;background:#075e54;color:#fff;padding:10px 20px;flex-wrap:wrap}
header.top .brand{font-weight:700;font-size:16px}
header.top nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
header.top nav a{color:#d9f3ec;text-decoration:none;padding:6px 12px;border-radius:6px}
header.top nav a.on,header.top nav a:hover{background:rgba(255,255,255,.15);color:#fff}
header.top .logout{display:flex;align-items:center;gap:8px;margin:0}
header.top .who{opacity:.85}
main{max-width:1200px;margin:0 auto;padding:20px}
h1{font-size:22px;margin:4px 0 16px}h2{font-size:17px;margin:0 0 12px}
.card{background:#fff;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.08);padding:18px;margin-bottom:18px;overflow-x:auto}
.card.narrow{max-width:520px}
form label{display:block;margin-bottom:12px;font-weight:500}
form label input{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid #cbd2d9;border-radius:6px;font:inherit}
form label.check{display:flex;gap:8px;align-items:center;font-weight:400}
form label.check input{width:auto;display:inline;margin:0}
form.inline{display:inline-flex;gap:6px;align-items:center;flex-wrap:wrap;margin:0}
form.inline label{margin:0}
form.inline input{padding:5px 8px;border:1px solid #cbd2d9;border-radius:6px;font:inherit;max-width:160px}
.btn{display:inline-block;background:#128c7e;color:#fff;border:0;border-radius:6px;padding:8px 16px;font:inherit;cursor:pointer;text-decoration:none}
.btn:hover{background:#0e6f64}.btn.small{padding:5px 10px;font-size:13px}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.6)}
.btn.warn{background:#d97706}.btn.danger{background:#c0392b}
.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid #eef1f4;vertical-align:top}
.tbl th{font-size:12px;text-transform:uppercase;color:#52606d;letter-spacing:.03em}
.tbl td.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl td.text{white-space:pre-wrap;word-break:break-word;max-width:420px}
.tbl tr.dir-out td{background:#f0fbf7}
.tbl tr.new td{animation:hl 2s}
@keyframes hl{from{background:#fff7d6}}
.kv th{text-align:left;padding:4px 12px 4px 0;color:#52606d;font-weight:500;white-space:nowrap;vertical-align:top}
.kv td{padding:4px 0}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#e4e7eb;color:#323f4b}
.st-connected{background:#d1fae5;color:#065f46}.st-qr{background:#fef3c7;color:#92400e}
.st-connecting{background:#dbeafe;color:#1e40af}.st-disconnected{background:#fee2e2;color:#991b1b}
.st-logged_out,.st-stopped{background:#e5e7eb;color:#374151}
.stats{display:flex;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.stat{background:#fff;border-radius:10px;padding:14px 20px;box-shadow:0 1px 3px rgba(0,0,0,.08);min-width:140px}
.stat span{display:block;font-size:26px;font-weight:700}.stat small{color:#52606d}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px}
.flash.ok{background:#d1fae5;color:#065f46}.flash.err{background:#fee2e2;color:#991b1b}
.muted{color:#7b8794}.small{font-size:12px}.mono{font-family:ui-monospace,Menlo,Consolas,monospace}.nowrap{white-space:nowrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:860px){.grid2{grid-template-columns:1fr}}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;align-items:center}
.actions form{margin:0}
.qrbox img{display:block;margin:8px 0;border:8px solid #fff;box-shadow:0 0 0 1px #e4e7eb;max-width:100%;height:auto}
.code{font-family:ui-monospace,monospace;font-size:20px;letter-spacing:.1em}