/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 100%);
  min-height: 100vh;
  color: #1f2937;
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 32px;
}

.header h1 {
  font-size: 2.5rem;
  font-weight: bold;
  color: #1f2937;
  margin-bottom: 8px;
}

.header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #4f46e5;
  margin-bottom: 16px;
}

.header p {
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Tabs */
.tabs {
  margin-bottom: 24px;
}

.tab-list {
  display: flex;
  background: white;
  border-radius: 8px;
  padding: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow-x: auto;
  margin-bottom: 24px;
}

.tab-button {
  flex: 1;
  padding: 12px 16px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.875rem;
}

.tab-button:hover {
  background: #f3f4f6;
}

.tab-button.active {
  background: #4f46e5;
  color: white;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Cards */
.card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  padding: 24px;
  border-bottom: 1px solid #e5e7eb;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-description {
  color: #6b7280;
  font-size: 0.875rem;
}

.card-content {
  padding: 24px;
}

/* Buttons */
.button {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 0.875rem;
}

.button-primary {
  background: #4f46e5;
  color: white;
}

.button-primary:hover {
  background: #4338ca;
}

.button-secondary {
  background: #f3f4f6;
  color: #374151;
  border: 1px solid #d1d5db;
}

.button-secondary:hover {
  background: #e5e7eb;
}

.button-danger {
  background: #ef4444;
  color: white;
}

.button-danger:hover {
  background: #dc2626;
}

.button-sm {
  padding: 6px 12px;
  font-size: 0.75rem;
}

/* Form Elements */
.input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: border-color 0.2s;
}

.input:focus {
  outline: none;
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.label {
  display: block;
  font-weight: 500;
  margin-bottom: 4px;
  color: #374151;
  font-size: 0.875rem;
}

.form-group {
  margin-bottom: 16px;
}

/* Grid System */
.grid {
  display: grid;
  gap: 16px;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: white;
  border-radius: 12px;
  padding: 24px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.modal-description {
  color: #6b7280;
  font-size: 0.875rem;
}

/* Location Cards */
.location-card {
  border-left: 4px solid #4f46e5;
  margin-bottom: 16px;
}

.location-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.location-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.location-info p {
  color: #6b7280;
  font-size: 0.875rem;
  margin-bottom: 4px;
}

.coordinates {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: #9ca3af;
}

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.criteria-item {
  font-size: 0.875rem;
}

.criteria-item span:first-child {
  color: #6b7280;
}

.criteria-item span:last-child {
  margin-left: 8px;
  font-weight: 500;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-primary {
  background: #dbeafe;
  color: #1e40af;
}

.badge-secondary {
  background: #f3f4f6;
  color: #374151;
}

.badge-success {
  background: #dcfce7;
  color: #166534;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-danger {
  background: #fee2e2;
  color: #991b1b;
}

/* Progress Bar */
.progress {
  width: 100%;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: #4f46e5;
  transition: width 0.3s;
}

/* Ranking Styles */
.rank-1 {
  background: #fef3c7;
  color: #92400e;
  border: 2px solid #f59e0b;
}

.rank-2 {
  background: #f3f4f6;
  color: #374151;
  border: 2px solid #9ca3af;
}

.rank-3 {
  background: #fde68a;
  color: #92400e;
  border: 2px solid #f59e0b;
}

.rank-other {
  background: #dbeafe;
  color: #1e40af;
  border: 2px solid #3b82f6;
}

.result-card {
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.result-name {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rank-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.875rem;
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.table th,
.table td {
  padding: 12px;
  text-align: left;
  border: 1px solid #e5e7eb;
  font-size: 0.875rem;
}

.table th {
  background: #f9fafb;
  font-weight: 600;
}

.table tr:hover {
  background: #f9fafb;
}

/* Alerts */
.alert {
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.alert-success {
  background: #dcfce7;
  color: #166534;
  border-left: 4px solid #22c55e;
}

.alert-info {
  background: #dbeafe;
  color: #1e40af;
  border-left: 4px solid #3b82f6;
}

.alert-warning {
  background: #fef3c7;
  color: #92400e;
  border-left: 4px solid #f59e0b;
}

/* Coordinate Helper */
.coordinate-helper {
  background: #f0f9ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  padding: 16px;
  margin-top: 16px;
}

.search-box {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.search-box input {
  flex: 1;
}

.coordinate-result {
  background: #dcfce7;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 16px;
  margin-top: 16px;
}

.coordinate-display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.coordinate-value {
  background: white;
  padding: 8px;
  border-radius: 4px;
  font-family: monospace;
  border: 1px solid #d1d5db;
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .header h1 {
    font-size: 2rem;
  }

  .header h2 {
    font-size: 1.25rem;
  }

  .tab-list {
    flex-direction: column;
  }

  .tab-button {
    justify-content: flex-start;
  }

  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: 1fr;
  }

  .location-header {
    flex-direction: column;
    gap: 16px;
  }

  .table {
    font-size: 0.75rem;
  }

  .table th,
  .table td {
    padding: 8px;
  }

  .modal-content {
    width: 95%;
    padding: 16px;
    margin: 16px;
  }

  .card-content,
  .card-header {
    padding: 16px;
  }

  .result-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .coordinate-display {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .header h1 {
    font-size: 1.75rem;
  }

  .header h2 {
    font-size: 1.125rem;
  }

  .card-title {
    font-size: 1.125rem;
  }

  .button {
    padding: 10px 14px;
  }

  .search-box {
    flex-direction: column;
  }
}

/* Animation */
.tab-content {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal.active .modal-content {
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #4f46e5;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

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

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.font-bold {
  font-weight: bold;
}

.font-semibold {
  font-weight: 600;
}

.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}

.mb-2 {
  margin-bottom: 8px;
}

.mb-4 {
  margin-bottom: 16px;
}

.mt-4 {
  margin-top: 16px;
}

.p-4 {
  padding: 16px;
}

.hidden {
  display: none;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: 8px;
}

.gap-4 {
  gap: 16px;
}