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

:root {
  --bg: #0f1115;
  --fg: #e6e8ec;
  --muted: #8b919a;
  --accent: #6ee7b7;
  --border: #2a2e36;
  --mono: "SF Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

/* plain-text mode (subdomain / path endpoints) */
body.plain {
  font-family: var(--mono);
  font-size: 16px;
  white-space: pre-wrap;
  word-break: break-all;
  padding: 1rem;
  display: block;
}

body.plain main {
  display: block;
  padding: 0;
  align-items: flex-start;
  justify-content: flex-start;
}

.loading {
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.card {
  width: 100%;
  max-width: 42rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #161a21;
}

.header {
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.header h1 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.header .hint {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--mono);
}

.rows {
  padding: 0.35rem 0;
}

.row {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 0.75rem;
  padding: 0.55rem 1.35rem;
  align-items: baseline;
}

.row:hover {
  background: rgba(255, 255, 255, 0.02);
}

.label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.value {
  font-family: var(--mono);
  font-size: 0.92rem;
  word-break: break-all;
}

.value.ip {
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: 500;
}

.footer {
  padding: 0.9rem 1.35rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--mono);
  line-height: 1.6;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.footer a:hover {
  color: var(--fg);
  border-bottom-color: var(--border);
}

.footer code {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.92em;
}

.error {
  color: #f87171;
  font-family: var(--mono);
  padding: 1rem;
  text-align: center;
}

@media (max-width: 520px) {
  .row {
    grid-template-columns: 1fr;
    gap: 0.15rem;
    padding: 0.7rem 1.1rem;
  }
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}