/**
 * Reverse DNS Lookup – PTR + FCrDNS result UI
 */

.page-reverse-dns-lookup .tool-results-panel {
  margin-top: 20px;
}

.reverse-dns-result {
  padding-bottom: 24px;
}

/* Summary card */
.reverse-dns-summary-card {
  padding: 20px 24px;
  margin-bottom: 20px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-card);
}

.reverse-dns-summary-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--color-text);
}

.reverse-dns-summary-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 24px;
  align-items: start;
}

.reverse-dns-summary-row {
  display: contents;
}

.reverse-dns-summary-row .reverse-dns-label {
  padding-top: 2px;
}

.reverse-dns-summary-row .reverse-dns-value-cell {
  min-width: 0;
}

.reverse-dns-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  opacity: 0.9;
}

.reverse-dns-value-cell {
  font-size: 14px;
  color: var(--color-text);
}

.reverse-dns-ip,
.reverse-dns-ptr-code,
.reverse-dns-forward-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  color: var(--color-text);
  word-break: break-all;
}

.reverse-dns-ptr-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 12px;
  margin-bottom: 4px;
}

.reverse-dns-ptr-item code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-soft);
  border: 1px solid var(--color-border);
  word-break: break-all;
}

.reverse-dns-value-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border: none;
  background: transparent;
  color: var(--color-text);
  opacity: 0.65;
  cursor: pointer;
  border-radius: 4px;
  flex-shrink: 0;
}

.reverse-dns-value-copy:hover {
  opacity: 1;
  background: var(--color-soft);
}

.reverse-dns-no-ptr {
  font-size: 14px;
  color: var(--color-text);
  opacity: 0.75;
  font-style: italic;
}

.reverse-dns-status-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid;
  margin-bottom: 4px;
}

.reverse-dns-status-explanation {
  font-size: 13px;
  line-height: 1.4;
  margin: 4px 0 0 0;
  color: var(--color-text);
  opacity: 0.85;
}

.reverse-dns-status-valid {
  border-color: var(--color-success, rgba(34, 197, 94, 0.5));
  background: rgba(34, 197, 94, 0.12);
  color: var(--color-success, #22c55e);
}

.reverse-dns-status-mismatch {
  border-color: rgba(234, 179, 8, 0.6);
  background: rgba(234, 179, 8, 0.12);
  color: var(--color-warning, #b45309);
}

.reverse-dns-status-missing {
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.12);
  color: rgb(220, 38, 38);
}

.reverse-dns-status-unknown {
  border-color: rgba(100, 116, 139, 0.5);
  background: rgba(100, 116, 139, 0.1);
  color: var(--color-text);
  opacity: 0.9;
}

.reverse-dns-checked {
  font-size: 13px;
  margin: 0;
  color: var(--color-text);
  opacity: 0.75;
}

/* Insights */
.reverse-dns-insights {
  padding: 16px 20px;
  margin-bottom: 20px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-soft);
}

.reverse-dns-insights-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 8px 0;
  color: var(--color-text);
}

.reverse-dns-insights-text {
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
  color: var(--color-text);
  opacity: 0.9;
}

.reverse-dns-what-to-check {
  font-size: 13px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
  opacity: 0.9;
}

.reverse-dns-what-to-check strong {
  display: block;
  margin-bottom: 6px;
}

.reverse-dns-what-to-check ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.5;
}

/* Details (collapsible) */
.reverse-dns-details {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-card);
  margin-bottom: 20px;
}

.reverse-dns-details-summary {
  padding: 14px 18px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  list-style: none;
  color: var(--color-text);
}

.reverse-dns-details-summary::-webkit-details-marker {
  display: none;
}

.reverse-dns-details-summary::before {
  content: '▸ ';
  display: inline-block;
  margin-right: 6px;
  transition: transform 0.2s;
}

.reverse-dns-details[open] .reverse-dns-details-summary::before {
  transform: rotate(90deg);
}

.reverse-dns-details-inner {
  padding: 0 18px 18px;
}

.reverse-dns-details-caption {
  font-size: 12px;
  color: var(--color-text);
  opacity: 0.7;
  margin: 0 0 12px 0;
}

.reverse-dns-details-list {
  margin: 0;
  padding-left: 20px;
}

.reverse-dns-detail-item {
  margin-bottom: 12px;
}

.reverse-dns-detail-hostname {
  font-weight: 600;
  margin-bottom: 6px;
}

.reverse-dns-detail-hostname-code {
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-soft);
  word-break: break-all;
}

.reverse-dns-detail-forward {
  font-size: 13px;
  margin-left: 8px;
  color: var(--color-text);
  opacity: 0.9;
}

.reverse-dns-forward-row {
  margin-bottom: 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
}

.reverse-dns-forward-row.reverse-dns-forward-empty {
  opacity: 0.7;
  font-style: italic;
}

.reverse-dns-forward-type {
  font-weight: 600;
  margin-right: 4px;
  flex-shrink: 0;
}

.reverse-dns-forward-value {
  word-break: break-all;
  flex: 1;
  min-width: 0;
}

.reverse-dns-match-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success, #22c55e);
  flex-shrink: 0;
}

/* Actions */
.reverse-dns-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.reverse-dns-action-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-soft);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s;
}

.reverse-dns-action-btn:hover {
  background: var(--color-box);
}

/* Empty state */
.reverse-dns-empty-state {
  padding: 24px 20px;
  max-width: 560px;
}

.reverse-dns-empty-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.reverse-dns-empty-description {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  opacity: 0.85;
  margin-bottom: 16px;
}

.reverse-dns-empty-features {
  margin: 0 0 16px 20px;
  padding: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  opacity: 0.9;
}

.reverse-dns-empty-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.reverse-dns-empty-chips-label {
  font-size: 13px;
  color: var(--color-text);
  opacity: 0.8;
}

.reverse-dns-empty-chip {
  padding: 6px 14px;
  font-size: 13px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-soft);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.reverse-dns-empty-chip:hover {
  background: var(--color-box);
  border-color: rgba(59, 130, 246, 0.4);
}

.reverse-dns-empty-tip {
  font-size: 13px;
  color: var(--color-text);
  opacity: 0.8;
  margin: 0;
}

/* Loading skeleton */
.reverse-dns-loading {
  padding: 24px;
}

.reverse-dns-skeleton-card {
  height: 140px;
  border-radius: 12px;
  background: var(--color-soft);
  animation: reverse-dns-skeleton-pulse 1.2s ease-in-out infinite;
  margin-bottom: 16px;
}

.reverse-dns-skeleton-line {
  height: 16px;
  border-radius: 4px;
  background: var(--color-soft);
  animation: reverse-dns-skeleton-pulse 1.2s ease-in-out infinite;
  margin-bottom: 12px;
  max-width: 80%;
}

.reverse-dns-skeleton-line.short {
  max-width: 50%;
}

.reverse-dns-skeleton-details {
  height: 48px;
  margin-top: 20px;
  border-radius: 8px;
  background: var(--color-soft);
  animation: reverse-dns-skeleton-pulse 1.2s ease-in-out infinite;
}

@keyframes reverse-dns-skeleton-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Error */
.reverse-dns-error {
  padding: 24px;
  border-radius: 8px;
  border: 1px solid rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.05);
}

.reverse-dns-error h4 {
  margin: 0 0 8px 0;
  color: rgb(239, 68, 68);
}

.reverse-dns-error p {
  margin: 0 0 16px 0;
  line-height: 1.5;
  color: var(--color-text);
}

.reverse-dns-error-retry {
  margin-top: 8px;
}

/* Inline validation error */
.reverse-dns-inline-error {
  color: rgb(239, 68, 68);
}

@media (max-width: 768px) {
  .reverse-dns-summary-grid {
    grid-template-columns: 1fr;
    gap: 10px 0;
  }
  .reverse-dns-summary-row .reverse-dns-label {
    padding-top: 0;
    margin-bottom: 2px;
  }
  .reverse-dns-ptr-item {
    display: flex;
    margin-bottom: 4px;
  }
}