:root {
  --onb-bg: #f4f7fb;
  --onb-surface: #ffffff;
  --onb-ink: #17233a;
  --onb-muted: #60708a;
  --onb-line: #dbe3ef;
  --onb-blue: #2563eb;
  --onb-blue-soft: #edf4ff;
  --onb-warn-bg: #fff7e6;
  --onb-warn-ink: #7a4b00;
  --onb-error: #b42318;
  --onb-shadow: rgba(36, 67, 115, .12);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --onb-bg: #07111f;
    --onb-surface: #0e1b2e;
    --onb-ink: #e6edf7;
    --onb-muted: #9aabc4;
    --onb-line: #22354f;
    --onb-blue: #6aa0ff;
    --onb-blue-soft: #132846;
    --onb-warn-bg: #2e2412;
    --onb-warn-ink: #f0cf82;
    --onb-error: #f19d95;
    --onb-shadow: rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--onb-bg);
  color: var(--onb-ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--onb-blue); }
[hidden] { display: none !important; }

.onb-shell { max-width: 720px; margin: 0 auto; padding: 32px 16px 48px; }
.onb-head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.onb-head img { border-radius: 50%; }
.onb-kicker { margin: 0; color: var(--onb-blue); font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.onb-head h1 { margin: 2px 0 0; font-size: 1.5rem; }

.onb-card {
  margin-bottom: 16px;
  padding: 22px;
  border: 1px solid var(--onb-line);
  border-radius: 14px;
  background: var(--onb-surface);
  box-shadow: 0 10px 28px var(--onb-shadow);
}
.onb-card h2 { margin: 0 0 14px; font-size: 1.1rem; }
.onb-muted { color: var(--onb-muted); font-size: .85rem; }
.onb-notice { padding: 12px 14px; border-radius: 10px; background: var(--onb-blue-soft); }

.onb-field { display: grid; gap: 6px; margin: 0 0 14px; padding: 0; border: 0; min-width: 0; }
.onb-field > span, .onb-field > legend { font-weight: 700; font-size: .85rem; padding: 0; }
.onb-field em { color: var(--onb-muted); font-style: normal; font-weight: 500; }
.onb-field input[type="text"], .onb-field input[type="email"], .onb-field input[type="password"], .onb-field select {
  width: 100%;
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid var(--onb-line);
  border-radius: 9px;
  background: var(--onb-surface);
  color: var(--onb-ink);
  font: inherit;
}
.onb-field input:focus-visible, .onb-field select:focus-visible, button:focus-visible, .onb-plan:focus-within {
  outline: 3px solid color-mix(in srgb, var(--onb-blue) 35%, transparent);
  outline-offset: 2px;
}
.onb-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .onb-row { grid-template-columns: 1fr; } }

.onb-suggested {
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--onb-warn-bg);
  color: var(--onb-warn-ink);
  font-size: .68rem;
  font-weight: 700;
}

.onb-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.onb-primary, .onb-secondary {
  min-height: 42px;
  padding: 0 18px;
  border-radius: 9px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.onb-primary { border: 0; background: var(--onb-blue); color: #fff; }
.onb-primary:disabled { opacity: .6; cursor: progress; }
.onb-secondary { border: 1px solid var(--onb-line); background: var(--onb-surface); color: var(--onb-ink); }
.onb-link-button { display: inline-flex; align-items: center; text-decoration: none; }
.onb-progress { margin: 12px 0 0; color: var(--onb-muted); }
.onb-error { margin: 0 0 10px; color: var(--onb-error); font-weight: 600; }

.onb-found .onb-summary { margin: 0 0 12px; }
.onb-facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0 0 12px; }
.onb-facts dt { color: var(--onb-muted); font-size: .85rem; }
.onb-facts dd { margin: 0; overflow-wrap: anywhere; }
.onb-warnings { margin: 0 0 12px; padding: 0; list-style: none; }
.onb-warnings li { margin-bottom: 6px; padding: 8px 12px; border-radius: 8px; background: var(--onb-warn-bg); color: var(--onb-warn-ink); font-size: .85rem; }
.onb-sources { margin: 4px 0 12px; padding-left: 18px; font-size: .85rem; overflow-wrap: anywhere; }

.onb-cadence { display: flex; gap: 16px; margin-bottom: 8px; font-size: .9rem; }
.onb-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.onb-plan {
  display: grid;
  gap: 2px;
  padding: 12px;
  border: 1px solid var(--onb-line);
  border-radius: 10px;
  cursor: pointer;
}
.onb-plan:has(input:checked) { border-color: var(--onb-blue); background: var(--onb-blue-soft); }
.onb-plan input { position: absolute; opacity: 0; pointer-events: none; }
.onb-plan strong { font-size: .95rem; }
.onb-plan span { color: var(--onb-muted); font-size: .8rem; }
.onb-plan .onb-price { color: var(--onb-ink); font-size: 1rem; font-weight: 700; }
.onb-addons { display: grid; gap: 8px; }
.onb-addons label { display: flex; gap: 8px; align-items: center; font-size: .9rem; }

.onb-foot { margin-top: 8px; text-align: center; font-size: .85rem; }

.onb-label { font-weight: 700; font-size: .85rem; }
.onb-link { padding: 0; border: 0; background: none; color: var(--onb-blue); font: inherit; font-size: .85rem; text-decoration: underline; cursor: pointer; }
.onb-inline-action { margin: -6px 0 14px; }
.onb-question { margin: 0 0 14px; padding: 0; border: 0; }
.onb-question legend { font-weight: 700; font-size: .9rem; margin-bottom: 6px; }
.onb-question label { display: flex; gap: 8px; align-items: center; margin: 4px 0; font-size: .9rem; }
.onb-locations { display: grid; gap: 6px; }
.onb-location { display: flex; gap: 8px; align-items: center; }
.onb-location input { flex: 1; min-height: 38px; padding: 6px 10px; border: 1px solid var(--onb-line); border-radius: 8px; background: var(--onb-surface); color: var(--onb-ink); font: inherit; }
.onb-location small { color: var(--onb-muted); min-width: 64px; }
.onb-location button { border: 1px solid var(--onb-line); border-radius: 8px; background: var(--onb-surface); color: var(--onb-muted); cursor: pointer; min-height: 32px; padding: 0 10px; }
.onb-terms { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
.onb-terms label { display: grid; gap: 4px; font-size: .8rem; color: var(--onb-muted); }
.onb-terms input { min-height: 38px; padding: 6px 10px; border: 1px solid var(--onb-line); border-radius: 8px; background: var(--onb-surface); color: var(--onb-ink); font: inherit; }
@media (max-width: 560px) { .onb-terms { grid-template-columns: 1fr; } }

/* Customer agreement acceptance (2026-09-19) */
.onb-agree { display: flex; gap: .6rem; align-items: flex-start; margin: 1rem 0 .4rem; font-size: .95rem; }
.onb-agree input { margin-top: .25rem; width: 1.05rem; height: 1.05rem; flex: none; }
.onb-agree a { color: inherit; text-decoration: underline; }