:root {
  color-scheme: light;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --text: #101828;
  --muted: #5f6b7a;
  --line: #d8e0ea;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --good: #0f7a3b;
  --warn: #a15c00;
  --bad: #b42318;
  --soft-good: #eaf7ef;
  --soft-warn: #fff7e8;
  --soft-bad: #fff1f0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
}

h2 {
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.summary,
.section-head p,
.privacy-panel li {
  color: var(--muted);
}

.version-card,
.panel,
.status-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.version-card {
  min-width: 154px;
  padding: 14px;
}

.version-card span,
.status-card span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.version-card strong,
.status-card strong {
  display: block;
  margin-top: 4px;
  font-size: 1.15rem;
}

.version-card small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.panel {
  padding: 18px;
  margin-top: 14px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--muted);
  background: #f8fafc;
  font-size: 0.86rem;
  font-weight: 800;
  white-space: nowrap;
}

.pill.ok {
  color: var(--good);
  border-color: #a8d9ba;
  background: var(--soft-good);
}

.pill.warn {
  color: var(--warn);
  border-color: #ffd899;
  background: var(--soft-warn);
}

.pill.fail {
  color: var(--bad);
  border-color: #ffb8b0;
  background: var(--soft-bad);
}

.address-form {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
}

.address-form label {
  color: var(--muted);
  font-weight: 800;
}

.address-form input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
}

button {
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 11px 14px;
  color: white;
  background: var(--accent);
  font-weight: 800;
  cursor: pointer;
}

button.secondary {
  color: var(--accent-dark);
  background: white;
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.status-card {
  padding: 16px;
}

.results {
  display: grid;
  gap: 10px;
}

.result {
  border: 1px solid var(--line);
  border-left-width: 5px;
  border-radius: 8px;
  padding: 12px;
  background: #fbfcfe;
}

.result.ok {
  border-left-color: var(--good);
}

.result.warn {
  border-left-color: var(--warn);
}

.result.fail {
  border-left-color: var(--bad);
}

.result h3 {
  margin: 0 0 6px;
  font-size: 0.98rem;
}

.result p {
  margin-bottom: 8px;
  color: var(--muted);
}

.result pre {
  overflow: auto;
  margin: 0;
  border-radius: 8px;
  padding: 10px;
  background: #111827;
  color: #eef2ff;
  font-size: 0.82rem;
}

.privacy-panel ul {
  margin-bottom: 0;
  padding-left: 20px;
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 1040px);
    padding-top: 18px;
  }

  .topbar,
  .section-head {
    display: block;
  }

  .version-card,
  .pill {
    margin-top: 12px;
  }

  .address-form,
  .status-grid {
    grid-template-columns: 1fr;
  }
}