:root {
  --bg: #f4f5f7; --panel: #ffffff; --text: #1b2230; --muted: #5d6779; --border: #dde1e8;
  --accent: #1d5bd8; --accent-text: #ffffff; --ok: #137a3a; --ok-bg: #e5f5ea; --warn: #8a5a00; --warn-bg: #fff4dc;
  --err: #b3261e; --err-bg: #fde8e6; --info: #2c4f9e; --info-bg: #e8eefc; --neutral-bg: #eceff3; --code-bg: #f1f3f6;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151b; --panel: #1b1f27; --text: #e6e9ef; --muted: #9aa3b2; --border: #2c3240;
    --accent: #5b8cff; --accent-text: #0b1020; --ok: #6fd391; --ok-bg: #173323; --warn: #f0c46a; --warn-bg: #3a2e12;
    --err: #ff8a80; --err-bg: #3d1a18; --info: #9db7ff; --info-bg: #1d2846; --neutral-bg: #262c38; --code-bg: #161a21;
  }
}
:root[data-theme="dark"] {
  --bg: #12151b; --panel: #1b1f27; --text: #e6e9ef; --muted: #9aa3b2; --border: #2c3240;
  --accent: #5b8cff; --accent-text: #0b1020; --ok: #6fd391; --ok-bg: #173323; --warn: #f0c46a; --warn-bg: #3a2e12;
  --err: #ff8a80; --err-bg: #3d1a18; --info: #9db7ff; --info-bg: #1d2846; --neutral-bg: #262c38; --code-bg: #161a21;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; font-size: 16px; } .brand span { color: var(--accent); }
.who { color: var(--muted); display: flex; gap: 12px; align-items: center; }
main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
.pad { padding: 24px; }
.muted { color: var(--muted); }
h1 { font-size: 22px; margin: 4px 0 2px; } h2 { font-size: 16px; margin: 0 0 12px; } h3 { font-size: 14px; margin: 16px 0 8px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px 20px; }
.field label, .kv dt { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 2px; }
.kv dd { margin: 0; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-weight: 600; font-size: 13px; background: var(--neutral-bg); color: var(--muted); }
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.b-ok { background: var(--ok-bg); color: var(--ok); } .b-warn { background: var(--warn-bg); color: var(--warn); }
.b-err { background: var(--err-bg); color: var(--err); } .b-info { background: var(--info-bg); color: var(--info); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
button, .btn { font: inherit; padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); color: var(--text); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
button:hover, .btn:hover { border-color: var(--accent); }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { color: var(--err); }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; width: 100%; padding: 7px 9px; border: 1px solid var(--border); border-radius: 7px; background: var(--panel); color: var(--text); }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input.invalid, select.invalid { border-color: var(--err); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px 16px; }
.device { border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; margin-top: 12px; }
.device-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.issues { list-style: none; padding: 0; margin: 12px 0 0; }
.issues li { padding: 6px 10px; border-radius: 6px; margin-bottom: 4px; }
.issues .error { background: var(--err-bg); color: var(--err); } .issues .warning { background: var(--warn-bg); color: var(--warn); }
pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px; overflow: auto; max-height: 360px; margin: 0; }
.cols { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 16px; }
.cols > * { min-width: 0; }
@media (max-width: 900px) { .cols { grid-template-columns: 1fr; } }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
td.wrap { word-break: break-word; max-width: 360px; }
.notice { border-radius: 8px; padding: 12px 14px; margin-top: 12px; }
.notice.info { background: var(--info-bg); } .notice.warn { background: var(--warn-bg); } .notice.err { background: var(--err-bg); } .notice.ok { background: var(--ok-bg); }
.pair-code { font: 700 28px/1.2 ui-monospace, monospace; letter-spacing: .08em; }
.login { max-width: 380px; margin: 60px auto; }
.login .field { margin-bottom: 12px; }
.toast { position: fixed; right: 16px; bottom: 16px; max-width: 420px; background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; opacity: 0; transform: translateY(8px); transition: all .2s; pointer-events: none; }
.toast.show { opacity: 1; transform: none; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.tabs button { border: none; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 8px 12px; color: var(--muted); }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row select { width: auto; }
small.hint { color: var(--muted); display: block; margin-top: 2px; }
@media (max-width: 600px) { .topbar { padding: 10px 16px; } .panel { padding: 14px; } }
label.check { display: inline-flex; align-items: center; gap: 6px; text-transform: none; letter-spacing: 0; font-size: 14px; color: var(--text); margin: 0; }
label.check input { width: auto; }
.form-grid.proto { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); }
.chip { display: inline-flex; align-items: center; gap: 4px; margin: 4px 8px 0 0; }
pre.log { max-height: 320px; font-size: 12px; }