:root {
  --bg: #F5F5F5;
  --panel: #F4F8FB;
  --card: #FFFFFF;
  --brand: #0064A4;
  --link: #2F70AF;
  --accent: #0288D1;
  --accent-soft: rgba(2, 136, 209, 0.12);
  --accent-hover: rgba(2, 136, 209, 0.3);
  --danger: #D32F2F;
  --danger-soft: rgba(211, 47, 47, 0.12);
  --warn: #C25B00;
  --text: #1F2933;
  --muted: #5F6B76;
  --border: rgba(0, 0, 0, 0.23);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}
main { max-width: 640px; margin: 0 auto; padding: 20px 16px 32px; }
h1 {
  margin: 0;
  font-family: Unbounded, Inter, "Segoe UI", sans-serif;
  font-weight: 400;
  font-size: 30px;
  color: var(--brand);
  line-height: 1.1;
}
.sub { margin: 2px 0 18px; color: var(--muted); }
.card {
  background: var(--card);
  border-radius: 16px;
  padding: 16px 20px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
.card h2 { margin: 0 0 12px; font-size: 18px; font-weight: 600; color: var(--link); }
label { display: block; margin: 12px 0 6px; color: var(--muted); font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.ctl { margin-top: 16px; }
input[type=text], input[type=password], select {
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 8px 14px;
  font: inherit;
  background: #fff;
  min-width: 0;
}
input[type=text], input[type=password] { width: 100%; }
.row input[type=text] { flex: 1 1 220px; width: auto; }
input[readonly] { background: var(--panel); }
select { width: 100%; }
button {
  font-family: Roboto, "Segoe UI", sans-serif;
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  padding: 8px 26px;
  min-height: 40px;
  border: 0;
  border-radius: 15px;
  cursor: pointer;
  background: var(--accent-soft);
  color: var(--accent);
}
button:hover:not(:disabled) { background: var(--accent-hover); }
button.primary { background: var(--accent); color: #fff; padding: 12px 32px; }
button.primary:hover:not(:disabled) { background: var(--brand); }
button.primary.stop { background: var(--danger-soft); color: var(--danger); }
button.primary.stop:hover:not(:disabled) { background: rgba(211, 47, 47, 0.25); }
button:disabled, input:disabled { opacity: 0.45; cursor: default; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.badge {
  display: inline-block; padding: 4px 14px; border-radius: 12px;
  background: var(--panel); color: var(--muted); font-weight: 600;
}
.badge.rec { background: var(--danger-soft); color: var(--danger); }
.badge.warn { background: rgba(194, 91, 0, 0.14); color: var(--warn); }
.badge.bad { background: var(--danger-soft); color: var(--danger); }
.meter { height: 8px; background: var(--panel); border-radius: 4px; margin-top: 16px; overflow: hidden; }
#level { height: 100%; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.1s linear; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.kpi { background: var(--panel); border-radius: 12px; padding: 10px 14px; }
.kpi b { display: block; font-size: 18px; color: var(--brand); font-variant-numeric: tabular-nums; }
.kpi span { color: var(--muted); font-size: 12.5px; }
.err-line { margin: 12px 0 0; color: var(--muted); font-size: 13px; }
.err-line .bad { color: var(--danger); font-weight: 600; }
summary { cursor: pointer; color: var(--link); font-weight: 600; }
#log {
  max-height: 220px; overflow: auto; margin: 10px 0 0; padding: 10px 14px; background: var(--panel);
  border-radius: 12px; font-family: "Cascadia Mono", Consolas, Menlo, monospace; font-size: 12.5px; white-space: pre-wrap;
}
footer { text-align: center; color: var(--muted); font-size: 12px; }
#overlay {
  position: fixed; inset: 0; background: rgba(0, 100, 164, 0.92); color: #fff;
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-size: 22px; padding: 24px; cursor: pointer; z-index: 10;
}
#overlay[hidden] { display: none; }
@media (max-width: 520px) { button { width: 100%; } h1 { font-size: 24px; } }

.bad { color: var(--danger); font-weight: 600; }
.note { margin: 0 0 8px; padding: 8px 12px; border-radius: 12px; background: rgba(194, 91, 0, 0.14); color: var(--warn); }
.who { text-align: center; color: var(--muted); font-size: 13px; margin: 6px 0 0; }
button.link { width: auto; background: none; padding: 0; min-height: 0; text-transform: none; font-family: inherit; font-size: inherit; color: var(--link); text-decoration: underline; }
button.link:hover:not(:disabled) { background: none; color: var(--brand); }

dialog { border: 0; border-radius: 16px; padding: 20px 24px; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25); max-width: 340px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, 0.4); }
dialog h2 { margin: 0 0 12px; font-size: 18px; color: var(--link); }
dialog input { width: 100%; height: 44px; border: 1px solid var(--border); border-radius: 15px; padding: 8px 14px; font: inherit; font-size: 20px; letter-spacing: 6px; text-align: center; }
dialog .bad { min-height: 1.4em; margin: 8px 0; }