/* Korea Tourism Agency Admin Panel Custom Styles */

/* Brand Customization */
.brand-link {
  background-color: #1f2937 !important;
}

.brand-text {
  color: #f8f9fa !important;
  font-weight: 600 !important;
}

/* Sidebar Customization */
.main-sidebar {
  background: linear-gradient(180deg, #1f2937 0%, #111827 100%) !important;
}

.nav-sidebar .nav-item > .nav-link {
  color: #d1d5db !important;
  transition: all 0.3s ease;
}

.nav-sidebar .nav-item > .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
  color: #ffffff !important;
}

.nav-sidebar .nav-item > .nav-link.active {
  background-color: #3b82f6 !important;
  color: #ffffff !important;
  border-radius: 0.375rem;
  margin: 0.125rem;
}

/* Cards Enhancement */
.card {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border: none;
  border-radius: 0.5rem;
}

.card-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 0.5rem 0.5rem 0 0 !important;
}

.card-header .card-title {
  color: white !important;
  font-weight: 600;
}

/* Small Boxes Enhancement */
.small-box {
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease;
}

.small-box:hover {
  transform: translateY(-2px);
}

.small-box .icon {
  top: 10px;
  right: 10px;
}

/* Buttons Enhancement */
.btn {
  border-radius: 0.375rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Table Enhancement */
.table {
  border-radius: 0.5rem;
  overflow: hidden;
}

.table thead th {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border: none;
  font-weight: 600;
  color: #495057;
}

.table tbody tr:hover {
  background-color: #f8f9fa;
}

/* Form Enhancement */
.form-control {
  border-radius: 0.375rem;
  border: 1px solid #d1d5db;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Custom File Input */
.custom-file-label {
  border-radius: 0.375rem;
}

.custom-file-input:focus ~ .custom-file-label {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Alert Enhancement */
.alert {
  border-radius: 0.5rem;
  border: none;
}

.alert-success {
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  color: #155724;
}

.alert-danger {
  background: linear-gradient(135deg, #f8d7da 0%, #f1b0b7 100%);
  color: #721c24;
}

.alert-warning {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
  color: #856404;
}

/* Badge Enhancement */
.badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
}

/* Loading Spinner */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.spinner {
  border: 3px solid #f3f3f3;
  border-top: 3px solid #3b82f6;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 10px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .card-header .card-title {
    font-size: 1rem;
  }
  
  .small-box .inner h3 {
    font-size: 1.5rem;
  }
  
  .btn-group .btn {
    padding: 0.25rem 0.5rem;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .card {
    background-color: #374151;
    color: #f9fafb;
  }
  
  .table {
    color: #f9fafb;
  }
  
  .form-control {
    background-color: #374151;
    color: #f9fafb;
    border-color: #4b5563;
  }
}

/* Korean Typography */
.korean-text {
  font-family: 'Noto Sans KR', 'Malgun Gothic', '맑은 고딕', sans-serif;
}

/* Success Animation */
.success-animation {
  animation: successPulse 0.6s ease-in-out;
}

@keyframes successPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}