.tools-page { padding-block: clamp(40px, 6vw, 72px) clamp(72px, 9vw, 120px); }
.tools-page h1 {
  margin-bottom: 12px;
  font-size: clamp(2.25rem, 1.4rem + 2.8vw, 3.25rem);
  line-height: 1.06;
  letter-spacing: -0.024em;
}

/* Your connection */
.your-info {
  max-width: 46rem;
  margin: 24px 0 48px;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--sheet);
}
.your-info-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--rule);
}
.your-info-header .ip-label { color: var(--ink-2); font-size: 1rem; }
.your-info-header .ip { color: var(--ink); font-family: var(--font-mono); font-size: 1.5rem; font-weight: 600; overflow-wrap: anywhere; }
.your-info-header .loading { color: var(--ink-3); font-size: 0.9375rem; }
.copy-btn {
  padding: 5px 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: var(--sheet);
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
}
.copy-btn:hover { border-color: var(--ink-3); }
.copy-btn.copied { border-color: var(--action); color: var(--action); }
.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-row { display: flex; gap: 12px; padding: 10px 22px; border-bottom: 1px solid var(--rule); }
.info-row:nth-child(odd) { border-right: 1px solid var(--rule); }
.info-label { flex-shrink: 0; width: 6.5em; color: var(--ink-3); font-size: 0.875rem; }
.info-value { color: var(--ink); font-family: var(--font-mono); font-size: 0.875rem; word-break: break-all; }
.info-dot { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; vertical-align: middle; }
.dot-green { background: var(--ok); }
.dot-red { background: var(--danger); }

/* Tool index: a ruled list in three columns */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 32px;
  border-top: 1px solid var(--rule);
}
.tool-card {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  color: inherit;
  text-decoration: none;
}
.tool-card h3 { margin-bottom: 4px; color: var(--ink); font-size: 1.0625rem; font-weight: 700; }
.tool-card:hover h3 { color: var(--action); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
.tool-card p { color: var(--ink-2); font-size: 0.9375rem; line-height: 1.5; }

@media (max-width: 860px) { .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .tool-grid, .info-grid { grid-template-columns: minmax(0, 1fr); }
  .info-row { border-right: none !important; }
}