* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #1a365d;
  --primary-light: #2c5282;
  --accent-color: #ed8936;
  --success-color: #48bb78;
  --danger-color: #e53e3e;
  --info-color: #4299e1;
  --bg-color: #f7fafc;
  --card-bg: #ffffff;
  --text-primary: #2d3748;
  --text-secondary: #718096;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: linear-gradient(135deg, var(--bg-color) 0%, #edf2f7 100%);
  color: var(--text-primary);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
  padding: 20px;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.nav-links {
  margin-top: 20px;
}

.nav-links .btn {
  margin: 0 8px;
}

#map {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 30px;
  margin-bottom: 24px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

#map svg {
  width: 100%;
  height: auto;
  display: block;
}

.state {
  stroke: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.state:hover {
  filter: brightness(0.9);
}

.state-border {
  fill: none;
  stroke: #1a365d;
  stroke-width: 0.8px;
  stroke-linejoin: round;
  pointer-events: none;
}

#tooltip {
  position: absolute;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: white;
  padding: 14px 20px;
  border-radius: 8px;
  pointer-events: none;
  font-size: 14px;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  min-width: 140px;
}

#tooltip strong {
  font-size: 16px;
  display: block;
  margin-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 6px;
}

#tooltip span {
  opacity: 0.9;
}

#tooltip-content strong {
  font-size: 16px;
  display: block;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 6px;
}

.tooltip-entry {
  margin-top: 8px;
  padding-top: 6px;
}

.tooltip-entry:first-of-type {
  margin-top: 0;
  padding-top: 0;
}

.tooltip-label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.8);
}

.tooltip-data {
  display: flex;
  gap: 12px;
}

.tooltip-data span {
  font-size: 13px;
}

.tooltip-data strong {
  color: var(--accent-color);
  font-size: 14px;
  display: inline;
  margin: 0;
  padding: 0;
  border: none;
}

.legend {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: row;
  gap: 40px;
}

.legend-item {
  flex: 1;
  min-width: 150px;
}

.legend h4 {
  margin-bottom: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.legend-scale {
  display: flex;
  align-items: center;
  gap: 12px;
}

.legend-gradient {
  flex: 1;
  height: 12px;
  background: linear-gradient(to right,
    #48bb78 0%,
    #ecc94b 50%,
    #f56565 100%
  );
  border-radius: 6px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.legend-gradient-fir {
  background: linear-gradient(to right,
    #63b3ed 0%,
    #4299e1 50%,
    #2b6cb0 100%
  );
}

.legend-low,
.legend-high {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  min-width: 30px;
}

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

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

/* Stats summary (future enhancement) */
.stats-bar {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: var(--shadow);
  flex: 1;
  min-width: 150px;
  border-left: 4px solid var(--accent-color);
}

.stat-card h4 {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

@media (max-width: 768px) {
  header h1 {
    font-size: 1.75rem;
  }

  header p {
    font-size: 0.95rem;
  }

  .container {
    padding: 15px;
  }

  #map {
    padding: 15px;
    border-radius: 12px;
  }

  .legend {
    padding: 16px;
  }

  .stats-bar {
    gap: 12px;
  }

  .stat-card {
    padding: 16px;
    min-width: 120px;
  }

  .stat-card .value {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.4rem;
  }

  .legend-scale {
    flex-direction: column;
    align-items: stretch;
  }

  .legend-gradient {
    height: 16px;
    order: 1;
  }

  .legend-low,
  .legend-high {
    text-align: center;
  }

  .legend-low {
    order: 0;
  }

  .legend-high {
    order: 2;
  }
}

/* ===========================================
   Authentication Bar
   =========================================== */

.auth-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.auth-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

#user-info {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 12px;
  background: var(--card-bg);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.auth-error {
  color: var(--danger-color);
  font-size: 13px;
  padding: 8px 12px;
  background: #fff5f5;
  border-radius: 6px;
  margin-top: 8px;
}

/* ===========================================
   Buttons
   =========================================== */

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:hover {
  transform: translateY(-1px);
}

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

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

.btn-auth {
  background: var(--primary-color);
  color: white;
  box-shadow: var(--shadow);
}

.btn-auth:hover {
  background: var(--primary-light);
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--primary-light);
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background: #c53030;
}

/* ===========================================
   Admin Panel
   =========================================== */

.admin-panel {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  margin-bottom: 24px;
  border: 2px solid var(--accent-color);
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e2e8f0;
}

.admin-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.admin-badge {
  background: var(--accent-color);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 16px;
  align-items: end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group select,
.form-group input {
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-primary);
  background: white;
  transition: border-color 0.2s ease;
}

.form-group select:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group select {
  cursor: pointer;
}

.form-actions {
  display: flex;
  gap: 8px;
}

.form-message {
  grid-column: 1 / -1;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
}

.form-message.success {
  background: #f0fff4;
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

.form-message.error {
  background: #fff5f5;
  color: var(--danger-color);
  border: 1px solid var(--danger-color);
}

.form-message.info {
  background: #ebf8ff;
  color: var(--info-color);
  border: 1px solid var(--info-color);
}

.admin-info {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
}

.admin-info p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===========================================
   Checkbox / Mode Toggle
   =========================================== */

.form-group-checkbox {
  grid-column: 1 / -1;
  margin-top: 4px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.checkbox-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.checkbox-hint {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ===========================================
   Stats Bar - Moved above legend
   =========================================== */

.stats-bar {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* ===========================================
   Error Message
   =========================================== */

.error-message {
  text-align: center;
  color: var(--danger-color);
  padding: 40px;
  font-size: 16px;
}

/* ===========================================
   Responsive - Admin Panel
   =========================================== */

@media (max-width: 768px) {
  .auth-bar {
    justify-content: center;
    margin-bottom: 20px;
  }

  .admin-form {
    grid-template-columns: 1fr;
  }

  .form-actions {
    justify-content: stretch;
  }

  .form-actions .btn {
    flex: 1;
  }

  .admin-header {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .auth-container {
    flex-direction: column;
    width: 100%;
  }

  #user-info {
    text-align: center;
    width: 100%;
  }

  .btn-auth {
    width: 100%;
  }

  .form-actions {
    flex-direction: column;
  }
}

/* ===========================================
   Bulk Upload Section
   =========================================== */

.admin-divider {
  margin: 24px 0;
  border: none;
  border-top: 1px solid #e2e8f0;
}

.bulk-upload-section {
  margin-top: 16px;
}

.bulk-upload-section h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.bulk-info {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.bulk-info code {
  background: #edf2f7;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 12px;
}

.bulk-upload-area {
  border: 2px dashed #cbd5e0;
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  transition: all 0.2s ease;
  background: #f7fafc;
}

.bulk-upload-area:hover {
  border-color: var(--primary-color);
  background: #edf2f7;
}

.bulk-upload-area.drag-over {
  border-color: var(--accent-color);
  background: #fffaf0;
  border-style: solid;
}

.upload-prompt {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.upload-icon {
  font-size: 32px;
  color: var(--primary-color);
  font-weight: 300;
  width: 48px;
  height: 48px;
  line-height: 48px;
  border-radius: 50%;
  background: white;
  box-shadow: var(--shadow);
}

.upload-prompt span {
  color: var(--text-secondary);
  font-size: 14px;
}

.file-types {
  font-size: 12px !important;
  color: #a0aec0 !important;
}

/* Preview Section */
.bulk-preview {
  margin-top: 20px;
  background: #f7fafc;
  border-radius: 12px;
  padding: 20px;
  border: 1px solid #e2e8f0;
}

.bulk-preview h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 12px;
}

.bulk-preview h4 span {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 13px;
}

.preview-list {
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 16px;
  border-radius: 8px;
  background: white;
  border: 1px solid #e2e8f0;
}

.preview-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid #edf2f7;
  font-size: 13px;
}

.preview-item:last-child {
  border-bottom: none;
}

.preview-item .state-name {
  font-weight: 500;
  color: var(--text-primary);
  text-transform: capitalize;
}

.preview-item .count {
  font-weight: 600;
  color: var(--primary-color);
}

.preview-errors {
  background: #fff5f5;
  border: 1px solid #feb2b2;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
}

.preview-errors h5 {
  font-size: 13px;
  font-weight: 600;
  color: var(--danger-color);
  margin-bottom: 8px;
}

.preview-errors ul {
  list-style: none;
  font-size: 12px;
  color: #c53030;
}

.preview-errors li {
  padding: 2px 0;
}

.bulk-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.btn-secondary {
  background: #e2e8f0;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #cbd5e0;
}

/* ===========================================
   Responsive - Bulk Upload
   =========================================== */

@media (max-width: 768px) {
  .bulk-upload-area {
    padding: 24px 16px;
  }

  .bulk-actions {
    flex-direction: column;
  }

  .bulk-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .preview-item {
    flex-direction: column;
    gap: 4px;
  }

  .preview-item .count {
    text-align: left;
  }
}

/* ===========================================
   Data Table
   =========================================== */

.data-table-container {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  margin-top: 24px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.data-table-container h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid #edf2f7;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table thead {
  background: #f7fafc;
}

.data-table th {
  text-align: left;
  padding: 14px 16px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
  border-bottom: 2px solid #e2e8f0;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #edf2f7;
  color: var(--text-primary);
}

.data-table tbody tr:hover {
  background: #f7fafc;
}

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

.data-table td:first-child {
  font-weight: 500;
}

.data-table td:nth-child(2),
.data-table td:nth-child(3) {
  font-weight: 600;
  color: var(--primary-color);
}

@media (max-width: 768px) {
  .data-table-container {
    padding: 16px;
    overflow-x: auto;
  }

  .data-table {
    min-width: 400px;
  }

  .data-table th,
  .data-table td {
    padding: 10px 12px;
  }
}