/**
 * Regex Tester – same design language as random string generator.
 */

.tool-regex-tester .hidden {
  display: none !important;
}

.tool-regex-tester .rxt-card {
  background: var(--bg-800);
  border: 1px solid var(--line2);
  color: var(--fg);
}

.tool-regex-tester .rxt-icon-wrap,
.tool-regex-tester .rxt-icon-sm {
  background: var(--bg-900);
  border: 1px solid var(--line2);
  color: var(--fg);
}

.tool-regex-tester .rxt-input,
.tool-regex-tester .rxt-textarea {
  background: var(--bg-900);
  border-color: var(--line2);
}

.tool-regex-tester .rxt-input:focus,
.tool-regex-tester .rxt-textarea:focus {
  border-color: var(--cta);
}

.tool-regex-tester .rxt-error {
  color: #f87171;
}

.tool-regex-tester .rxt-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 12rem;
  aspect-ratio: 1;
  margin: 0 auto 1.5rem;
  background: var(--bg-900);
  border: 2px solid var(--line2);
  border-radius: 20px;
  color: var(--muted);
}

.tool-regex-tester .rxt-placeholder-icon {
  width: 4rem;
  height: 4rem;
  opacity: 0.5;
}

.tool-regex-tester .rxt-matches-wrap {
  background: var(--bg-900);
  border: 1px solid var(--line2);
}

.tool-regex-tester .rxt-match-card {
  background: var(--bg-800);
  border: 1px solid var(--line2);
}

.tool-regex-tester .rxt-copy-success {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cta);
  opacity: 0;
  transition: opacity 0.2s;
}

.tool-regex-tester .rxt-copy-success--visible {
  opacity: 1;
}

.tool-regex-tester .rxt-card .btn-ghost {
  background: transparent;
}

.tool-regex-tester .rxt-features {
  padding-top: 3rem;
  padding-bottom: 4rem;
}

.tool-regex-tester .rxt-feature-card {
  background: var(--bg-800);
  border: 1px solid var(--line2);
  transition: border-color 0.2s;
}

.tool-regex-tester .rxt-feature-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.tool-regex-tester .rxt-feature-icon {
  background: var(--bg-900);
  border: 1px solid var(--line2);
  color: var(--fg);
}

@media (max-width: 768px) {
  .tool-regex-tester .rxt-card { padding: 1.25rem 1.5rem; }
  .tool-regex-tester .sticky { position: relative; top: 0; }
  .tool-regex-tester .rxt-card .btn-ghost { min-height: 44px; }
}

@media (max-width: 480px) {
  .tool-regex-tester .rxt-card { padding: 1rem 1.25rem; }
}