/* =============================================================
   EvvyTools — DNS Lookup
   Tool-specific styles for the DNS record viewer, tabbed layout,
   health check panel, and record cards.
   ============================================================= */

/* ---- Domain Input Row ---- */
.dns-input-row {
  display: flex;
  gap: 0.75rem;
  align-items: stretch;
}

.dns-input-row .evvy-hero-input-wrap {
  flex: 1;
}

.dns-input-row .evvy-hero-input {
  font-size: 1.5rem;
  padding-left: 1.25rem;
}

.dns-lookup-btn {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--evvy-radius-lg, 12px);
  background: var(--cluster-dark, #1D3354);
  color: #fff;
  cursor: pointer;
  transition: all var(--evvy-transition-fast, 0.15s ease);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dns-lookup-btn:hover {
  background: var(--cluster-hover, #16263F);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--cluster-dark, #1D3354) 30%, transparent);
}

.dns-lookup-btn:active {
  transform: translateY(0);
}

.dns-lookup-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

[data-bs-theme="dark"] .dns-lookup-btn {
  color: #1a1a2e;
}

/* ---- Loading Spinner ---- */
.dns-spinner {
  display: none;
  width: 1.125rem;
  height: 1.125rem;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: dns-spin 0.6s linear infinite;
}

[data-bs-theme="dark"] .dns-spinner {
  border-color: rgba(26, 26, 46, 0.3);
  border-top-color: #1a1a2e;
}

.dns-lookup-btn.is-loading .dns-spinner {
  display: inline-block;
}

.dns-lookup-btn.is-loading .dns-btn-text {
  display: none;
}

@keyframes dns-spin {
  to { transform: rotate(360deg); }
}

/* ---- Error Message ---- */
.dns-error {
  display: none;
  padding: 0.875rem 1.25rem;
  border-radius: var(--evvy-radius-lg, 12px);
  background: color-mix(in srgb, #dc3545 8%, transparent);
  border: 1px solid color-mix(in srgb, #dc3545 25%, transparent);
  color: #dc3545;
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 1rem;
}

[data-bs-theme="dark"] .dns-error {
  background: color-mix(in srgb, #dc3545 12%, transparent);
}

.dns-error.is-visible {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---- Results Container ---- */
.dns-results {
  display: none;
  margin-top: 1.75rem;
}

.dns-results.is-visible {
  display: block;
}

/* ---- Summary Bar ---- */
.dns-summary-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--evvy-glass-bg, rgba(255, 255, 255, 0.55));
  border: 1px solid var(--evvy-glass-border, rgba(255, 255, 255, 0.35));
  border-radius: var(--evvy-radius-lg, 12px);
}

.dns-summary-stat {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.dns-summary-stat-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--evvy-text-secondary, #666);
}

.dns-summary-stat-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--evvy-text-primary, #333);
}

/* ---- Health Check Panel ---- */
.dns-health-panel {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.dns-health-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  background: var(--bs-body-bg, #fff);
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: var(--evvy-radius-lg, 12px);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--evvy-text-primary, #333);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-bs-theme="dark"] .dns-health-item {
  background: var(--evvy-gray-100, #1E1E1E);
}

.dns-health-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

.dns-health-icon.is-pass {
  color: #198754;
}

.dns-health-icon.is-fail {
  color: #dc3545;
}

.dns-health-icon.is-warn {
  color: #fd7e14;
}

/* ---- Tab Navigation ---- */
.dns-tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 2px solid var(--evvy-border-color, #DEE2E6);
  margin-bottom: 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.dns-tabs::-webkit-scrollbar {
  display: none;
}

.dns-tab {
  padding: 0.625rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--evvy-text-secondary, #666);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--evvy-transition-fast, 0.15s ease),
              border-color var(--evvy-transition-fast, 0.15s ease);
}

.dns-tab:hover {
  color: var(--cluster-dark, #1D3354);
}

.dns-tab.is-active {
  color: var(--cluster-dark, #1D3354);
  border-bottom-color: var(--cluster-dark, #1D3354);
}

.dns-tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.375rem;
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: 999px;
  background: color-mix(in srgb, var(--cluster-dark, #1D3354) 10%, transparent);
  color: var(--cluster-dark, #1D3354);
  margin-left: 0.375rem;
}

.dns-tab.is-active .dns-tab-badge {
  background: var(--cluster-dark, #1D3354);
  color: #fff;
}

[data-bs-theme="dark"] .dns-tab.is-active .dns-tab-badge {
  color: #1a1a2e;
}

/* ---- Tab Panels ---- */
.dns-panel {
  display: none;
}

.dns-panel.is-active {
  display: block;
}

/* ---- Record Cards ---- */
.dns-record-card {
  background: var(--bs-body-bg, #fff);
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: var(--evvy-radius-lg, 12px);
  padding: 1rem 1.25rem;
  margin-bottom: 0.625rem;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-bs-theme="dark"] .dns-record-card {
  background: var(--evvy-gray-100, #1E1E1E);
}

.dns-record-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.dns-record-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.1875rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--bs-border-radius-pill, 50rem);
  background: color-mix(in srgb, var(--cluster-dark, #1D3354) 10%, transparent);
  color: var(--cluster-dark, #1D3354);
}

.dns-record-host {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--evvy-text-secondary, #666);
}

.dns-record-value-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.375rem;
}

.dns-record-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--evvy-text-primary, #333);
  word-break: break-all;
  flex: 1;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.dns-copy-btn {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: 6px;
  background: transparent;
  color: var(--evvy-text-secondary, #666);
  cursor: pointer;
  font-size: 0.8125rem;
  transition: all var(--evvy-transition-fast, 0.15s ease);
}

.dns-copy-btn:hover {
  background: color-mix(in srgb, var(--cluster-dark, #1D3354) 8%, transparent);
  border-color: var(--cluster-dark, #1D3354);
  color: var(--cluster-dark, #1D3354);
}

.dns-record-annotation {
  font-size: 0.8125rem;
  color: var(--evvy-text-secondary, #666);
  line-height: 1.45;
}

.dns-record-ttl {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--evvy-text-secondary, #666);
  margin-top: 0.25rem;
}

.dns-record-ttl i {
  font-size: 0.6875rem;
}

/* ---- MX Priority Badge ---- */
.dns-mx-priority {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  background: color-mix(in srgb, #198754 10%, transparent);
  color: #198754;
}

/* ---- SOA Details Grid ---- */
.dns-soa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.dns-soa-item {
  font-size: 0.75rem;
}

.dns-soa-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--evvy-text-secondary, #666);
}

.dns-soa-value {
  font-weight: 500;
  color: var(--evvy-text-primary, #333);
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

/* ---- Empty Panel State ---- */
.dns-empty-panel {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--evvy-text-secondary, #666);
  font-size: 0.875rem;
}

.dns-empty-panel i {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  opacity: 0.4;
}

/* ---- Premium Lock Sections ---- */
.dns-premium-section {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--evvy-border-color, #DEE2E6);
}

.dns-premium-section h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--evvy-text-primary, #333);
}

/* ---- Responsive ---- */
@media (max-width: 575.98px) {
  .dns-input-row {
    flex-direction: column;
  }

  .dns-input-row .evvy-hero-input {
    font-size: 1.125rem;
  }

  .dns-lookup-btn {
    justify-content: center;
  }

  .dns-health-panel {
    grid-template-columns: 1fr 1fr;
  }

  .dns-tabs {
    gap: 0;
  }

  .dns-tab {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .dns-summary-bar {
    gap: 0.75rem;
    padding: 0.875rem 1rem;
  }

  .dns-soa-grid {
    grid-template-columns: 1fr 1fr;
  }
}