/* ==========================================================================
   Nestor DNS Portal Styles
   ========================================================================== */

/* Import Design System */
@import url('./nestor-design-system.css');

/* Portal Specific Styles */
.nestor-dns-portal {
  font-family: var(--ndns-font-family);
  max-width: 800px;
  margin: 0 auto;
  padding: var(--ndns-space-4);
}

/* Status KPI Cards */
.ndns-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--ndns-space-4);
  margin-bottom: var(--ndns-space-6);
}

.ndns-status-card {
  background: linear-gradient(135deg, var(--ndns-bg-primary) 0%, var(--ndns-bg-secondary) 100%);
  border: 1px solid var(--ndns-border-light);
  border-radius: var(--ndns-radius-lg);
  padding: var(--ndns-space-5);
  text-align: center;
  transition: all var(--ndns-transition-base);
  position: relative;
  overflow: hidden;
}

.ndns-status-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ndns-primary), var(--ndns-primary-600));
}

.ndns-status-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ndns-shadow-lg);
}

.ndns-status-card__label {
  font-size: var(--ndns-text-xs);
  font-weight: var(--ndns-font-medium);
  color: var(--ndns-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--ndns-space-2);
}

.ndns-status-card__value {
  font-size: var(--ndns-text-lg);
  font-weight: var(--ndns-font-bold);
  color: var(--ndns-text-primary);
  margin-bottom: var(--ndns-space-1);
  word-break: break-all;
}

.ndns-status-card__meta {
  font-size: var(--ndns-text-xs);
  color: var(--ndns-text-muted);
  margin-top: var(--ndns-space-2);
}

/* IP Form */
.ndns-ip-form {
  background-color: var(--ndns-bg-primary);
  border: 1px solid var(--ndns-border-light);
  border-radius: var(--ndns-radius-lg);
  padding: var(--ndns-space-6);
  margin-bottom: var(--ndns-space-6);
}

.ndns-ip-form__title {
  font-size: var(--ndns-text-lg);
  font-weight: var(--ndns-font-semibold);
  color: var(--ndns-text-primary);
  margin: 0 0 var(--ndns-space-4);
  display: flex;
  align-items: center;
  gap: var(--ndns-space-2);
}

.ndns-ip-form__title::before {
  content: '🌐';
  font-size: var(--ndns-text-xl);
}

.ndns-form-group {
  margin-bottom: var(--ndns-space-4);
}

.ndns-form-label {
  display: block;
  font-size: var(--ndns-text-sm);
  font-weight: var(--ndns-font-medium);
  color: var(--ndns-text-primary);
  margin-bottom: var(--ndns-space-2);
}

.ndns-form-actions {
  display: flex;
  gap: var(--ndns-space-3);
  flex-wrap: wrap;
}

.ndns-form-help {
  font-size: var(--ndns-text-xs);
  color: var(--ndns-text-muted);
  margin-top: var(--ndns-space-2);
  line-height: var(--ndns-leading-relaxed);
}

/* Message Display */
.ndns-message {
  padding: var(--ndns-space-3) var(--ndns-space-4);
  border-radius: var(--ndns-radius-base);
  margin-bottom: var(--ndns-space-4);
  font-size: var(--ndns-text-sm);
  display: none;
}

.ndns-message--success {
  background-color: var(--ndns-success-50);
  color: var(--ndns-success-600);
  border: 1px solid var(--ndns-success-600);
}

.ndns-message--error {
  background-color: var(--ndns-danger-50);
  color: var(--ndns-danger-600);
  border: 1px solid var(--ndns-danger-600);
}

.ndns-message--info {
  background-color: var(--ndns-primary-50);
  color: var(--ndns-primary-600);
  border: 1px solid var(--ndns-primary-600);
}

.ndns-message.show {
  display: block;
  animation: ndns-fade-in 0.3s ease;
}

@keyframes ndns-fade-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* IP History Table */
.ndns-history-section {
  background-color: var(--ndns-bg-primary);
  border: 1px solid var(--ndns-border-light);
  border-radius: var(--ndns-radius-lg);
  overflow: hidden;
}

.ndns-history-section__header {
  padding: var(--ndns-space-5) var(--ndns-space-6);
  background-color: var(--ndns-bg-secondary);
  border-bottom: 1px solid var(--ndns-border-light);
}

.ndns-history-section__title {
  font-size: var(--ndns-text-lg);
  font-weight: var(--ndns-font-semibold);
  color: var(--ndns-text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--ndns-space-2);
}

.ndns-history-section__title::before {
  content: '📋';
  font-size: var(--ndns-text-xl);
}

.ndns-history-table {
  width: 100%;
  border-collapse: collapse;
}

.ndns-history-table th {
  background-color: var(--ndns-bg-secondary);
  padding: var(--ndns-space-4) var(--ndns-space-6);
  text-align: right;
  font-size: var(--ndns-text-xs);
  font-weight: var(--ndns-font-semibold);
  color: var(--ndns-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--ndns-border-light);
}

.ndns-history-table td {
  padding: var(--ndns-space-4) var(--ndns-space-6);
  border-bottom: 1px solid var(--ndns-border-light);
  font-size: var(--ndns-text-sm);
  color: var(--ndns-text-primary);
}

.ndns-history-table tbody tr:hover {
  background-color: var(--ndns-bg-secondary);
}

.ndns-history-table tbody tr:last-child td {
  border-bottom: none;
}

/* Empty State */
.ndns-empty-state {
  text-align: center;
  padding: var(--ndns-space-12) var(--ndns-space-6);
  color: var(--ndns-text-muted);
}

.ndns-empty-state__icon {
  font-size: 48px;
  margin-bottom: var(--ndns-space-4);
  opacity: 0.5;
}

.ndns-empty-state__title {
  font-size: var(--ndns-text-lg);
  font-weight: var(--ndns-font-medium);
  color: var(--ndns-text-secondary);
  margin: 0 0 var(--ndns-space-2);
}

.ndns-empty-state__description {
  font-size: var(--ndns-text-sm);
  color: var(--ndns-text-muted);
  margin: 0;
}

/* Loading States */
.ndns-loading-overlay {
  position: relative;
}

.ndns-loading-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.ndns-loading-overlay.loading::after {
  content: '';
  width: 32px;
  height: 32px;
  border: 3px solid var(--ndns-neutral-200);
  border-top-color: var(--ndns-primary);
  border-radius: 50%;
  animation: ndns-spin 1s linear infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
  .ndns-status-grid {
    grid-template-columns: 1fr;
  }
  
  .ndns-form-actions {
    flex-direction: column;
  }
  
  .ndns-form-actions .ndns-btn {
    width: 100%;
  }
  
  .ndns-history-table {
    font-size: var(--ndns-text-xs);
  }
  
  .ndns-history-table th,
  .ndns-history-table td {
    padding: var(--ndns-space-3) var(--ndns-space-4);
  }
  
  .ndns-dns-portal {
    padding: var(--ndns-space-3);
  }
}

@media (max-width: 480px) {
  .ndns-status-card {
    padding: var(--ndns-space-4);
  }
  
  .ndns-ip-form,
  .ndns-history-section__header {
    padding: var(--ndns-space-4);
  }
  
  .ndns-history-table th,
  .ndns-history-table td {
    padding: var(--ndns-space-2) var(--ndns-space-3);
  }
}

/* RTL Support */
[dir="rtl"] .ndns-history-table th,
[dir="rtl"] .ndns-history-table td {
  text-align: right;
}

[dir="ltr"] .ndns-history-table th,
[dir="ltr"] .ndns-history-table td {
  text-align: left;
}

/* Accessibility Enhancements */
.ndns-btn:focus-visible {
  outline: 2px solid var(--ndns-primary);
  outline-offset: 2px;
}

.ndns-input:focus-visible {
  outline: 2px solid var(--ndns-primary);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .ndns-status-card,
  .ndns-ip-form,
  .ndns-history-section {
    border-width: 2px;
  }
}