* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ink: #0b2440;
  --ink-soft: #3d5875;
  --muted: #7a90a8;
  --accent: #0e7490;
  --ok: #0f766e;
  --warn: #b45309;
  --bad: #b91c1c;
  --line: rgba(15, 39, 68, 0.1);
}

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top, #dbeafe 0%, transparent 50%),
    linear-gradient(180deg, #eef4fa 0%, #e2ebf4 100%);
  padding: 28px 16px 48px;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
}

.page-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(14, 116, 144, 0.14);
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.brand img {
  height: 40px;
  width: auto;
}

.page-head-copy {
  padding-left: 16px;
  border-left: 1px solid rgba(14, 116, 144, 0.22);
  min-width: 0;
}

.page-title {
  font-size: 20px;
  font-weight: 750;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.page-subtitle {
  margin-top: 3px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.lookup {
  background: #fff;
  border: 1px solid rgba(14, 116, 144, 0.16);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(15, 39, 68, 0.05);
}

.lookup label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.lookup-row {
  display: flex;
  gap: 8px;
}

.lookup input {
  flex: 1;
  border: 1px solid #c9d7e6;
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
}

.lookup button {
  border: 0;
  border-radius: 8px;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.scenarios {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.scenarios a {
  text-decoration: none;
  font-size: 12px;
  font-weight: 650;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(14, 116, 144, 0.28);
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.85);
}

.card {
  background: #fff;
  border: 1px solid rgba(14, 116, 144, 0.16);
  border-radius: 14px;
  padding: 28px 24px;
  box-shadow: 0 16px 40px rgba(15, 39, 68, 0.08);
}

.callout {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
}

.callout.warn {
  background: rgba(180, 83, 9, 0.08);
  color: #9a3412;
}

.callout.bad {
  background: rgba(185, 28, 28, 0.08);
  color: #991b1b;
}

.rows a {
  color: var(--accent);
}

.card h2 {
  font-size: 22px;
  margin-bottom: 6px;
}

.card .lead {
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 22px;
  line-height: 1.5;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.status.ok {
  background: rgba(15, 118, 110, 0.1);
  color: var(--ok);
}

.status.warn {
  background: rgba(180, 83, 9, 0.1);
  color: var(--warn);
}

.status.bad {
  background: rgba(185, 28, 28, 0.1);
  color: var(--bad);
}

.domain {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 18px;
  word-break: break-all;
}

.rows {
  display: grid;
  gap: 12px;
}

.row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.row span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  padding-top: 2px;
}

.row b {
  font-weight: 650;
  line-height: 1.4;
}

.actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.actions a {
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid rgba(14, 116, 144, 0.3);
  color: var(--ink);
  background: #fff;
}

.actions a.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.callout.guard-callout,
.guard-callout {
  display: block;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 13px;
  line-height: 1.45;
}

.guard-hint {
  display: inline-block;
  margin-top: 6px;
  color: #7f1d1d;
}

@media (max-width: 560px) {
  body {
    padding: 16px 12px 32px;
  }

  .page-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-head-copy {
    padding-left: 0;
    border-left: 0;
    padding-top: 8px;
    border-top: 1px solid rgba(14, 116, 144, 0.18);
    width: 100%;
  }

  .page-title {
    font-size: 18px;
  }

  .lookup-row {
    flex-direction: column;
  }

  .lookup-row input,
  .lookup-row button {
    width: 100%;
    font-size: 16px;
  }

  .domain {
    font-size: 22px;
  }

  .row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .actions {
    flex-direction: column;
  }

  .actions a {
    width: 100%;
    text-align: center;
  }
}