:root {
  --blue: #3b54a6; --blue-d: #2c3f80; --orange: #eb603f;
  --bg: #f4f5f8; --card: #ffffff; --line: #e1e4ec; --text: #1c2233; --muted: #6a7186;
  --ok: #1f8a4c; --warn: #b26a00; --err: #c0392b;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--blue); }
h1 { font-size: 24px; margin: 8px 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
code, .mono { font-family: var(--mono); font-size: 0.92em; }
.muted { color: var(--muted); } .small { font-size: 13px; }
.pre { white-space: pre-wrap; } .break { word-break: break-all; }

.topbar { display: flex; align-items: center; gap: 24px; padding: 10px 24px;
  background: var(--blue); color: #fff; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-size: 16px; }
.brand-mark { background: var(--orange); border-radius: 8px; padding: 4px 7px; font-weight: 800; font-size: 13px; }
.topbar nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.topbar nav a { color: #dfe5fb; text-decoration: none; padding: 6px 12px; border-radius: 6px; }
.topbar nav a.on, .topbar nav a:hover { background: rgba(255,255,255,.14); color: #fff; }
.logout { margin: 0; }
.topbar .btn-ghost { color: #fff; border-color: rgba(255,255,255,.4); }

.page { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
.auth { max-width: 420px; margin: 0 auto; padding: 48px 16px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.card.flush { padding: 0; overflow: hidden; }
.auth-card form { display: grid; gap: 14px; margin-top: 12px; }
.head-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .grid3, .grid2 { grid-template-columns: 1fr; } }

label { display: grid; gap: 4px; font-size: 13px; font-weight: 600; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--text); padding: 9px 11px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; }
input.code { font-family: var(--mono); font-size: 22px; letter-spacing: 6px; text-align: center; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-grid .span2 { grid-column: span 2; }
@media (max-width: 760px) { .form-grid { grid-template-columns: 1fr; } .form-grid .span2 { grid-column: span 1; } }

.btn, .btn-ghost, .btn-danger { display: inline-block; font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 8px; padding: 9px 16px; text-decoration: none; border: 1px solid transparent; }
.btn { background: var(--blue); color: #fff; } .btn:hover { background: var(--blue-d); }
.btn-ghost { background: transparent; color: var(--blue); border-color: var(--line); }
.btn-danger { background: var(--err); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 13px; } .btn-lg { padding: 14px 28px; font-size: 17px; }

.alert { padding: 11px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid; }
.alert-ok { background: #e9f7ef; border-color: #b6e3c8; color: var(--ok); }
.alert-error { background: #fdecea; border-color: #f5c2bc; color: var(--err); display: block; }
.alert-warn { background: #fff5e5; border-color: #f3d39b; color: var(--warn); }
.alert-info { background: #ebf0ff; border-color: #c6d2f5; color: var(--blue); }

.chip { display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
  padding: 2px 8px; border-radius: 99px; }
.chip-test { background: #fff0e9; color: var(--orange); }
.chip-beta { background: #ebf0ff; color: var(--blue); }
.chip-stable { background: #e9f7ef; color: var(--ok); }

.stat-label { font-size: 13px; color: var(--muted); }
.stat-value { font-size: 28px; font-weight: 700; margin: 6px 0 2px; font-family: var(--mono); }
.big { font-size: 22px; font-weight: 700; margin: 4px 0; }
.big .muted { font-size: 14px; font-weight: 400; }
.activity { list-style: none; padding: 0; margin: 0 0 10px; font-size: 13px; }
.activity li { padding: 5px 0; border-bottom: 1px solid var(--line); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted);
  background: #f8f9fc; padding: 10px 12px; border-bottom: 1px solid var(--line); }
td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tr.archived td { opacity: .55; }
tr.row-bad td { background: #fdf3f2; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; white-space: nowrap; }
.actions form { margin: 0; }

.pick-list { display: grid; gap: 10px; margin-bottom: 20px; }
.pick { display: block; text-decoration: none; color: inherit; margin: 0; }
.pick:hover { border-color: var(--blue); }

.steps { padding-left: 20px; margin: 0 0 16px; } .steps li { margin-bottom: 6px; }
.qr { display: flex; justify-content: center; padding: 8px 0; }
.qr img { background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.secret { display: block; margin-top: 8px; padding: 10px; background: #f8f9fc; border-radius: 6px; word-break: break-all; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0 0 12px; }
.kv dt { color: var(--muted); font-size: 13px; } .kv dd { margin: 0; }
esp-web-install-button { display: block; margin: 8px 0 12px; }
/* Until the flasher script loads, hide its browser-check messages and show a loading note instead. */
esp-web-install-button:not(:defined) [slot] { display: none; }
.ewt-loading { display: none; }
esp-web-install-button:not(:defined) + .ewt-loading { display: block; }