/* ============================================================
   Chart.js CKAN Extension - Styles
   ============================================================ */

/* --- Main Wrapper --- */
.cj-wrapper {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Oxygen, Ubuntu, sans-serif;
  position: relative;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  overflow: hidden;
  min-height: 600px;
}

/* --- Header --- */
.cj-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: linear-gradient(135deg, #FF6384 0%, #36A2EB 100%);
  color: white;
}

.cj-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cj-header-icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.cj-header-icon svg {
  width: 20px;
  height: 20px;
  fill: white;
}

.cj-header-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.cj-header-subtitle {
  font-size: 12px;
  opacity: 0.8;
  font-weight: 400;
}

.cj-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* --- Buttons --- */
.cj-btn {
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.15);
  color: white;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cj-btn:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.5);
}

.cj-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.cj-btn-save {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.4);
}

.cj-btn-save:hover {
  background: rgba(255,255,255,0.35);
}

/* --- Save Status --- */
.cj-save-status {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.cj-save-status.show {
  opacity: 1;
}

.cj-save-status.success {
  background: rgba(52, 211, 153, 0.3);
  color: #d1fae5;
}

.cj-save-status.error {
  background: rgba(239, 68, 68, 0.3);
  color: #fecaca;
}

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

.cj-spin {
  animation: cj-spin 0.8s linear infinite;
}

/* --- Stats Bar --- */
.cj-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 24px;
  background: #f9fafb;
  border-bottom: 1px solid #f3f4f6;
  font-size: 12px;
  color: #6b7280;
}

.cj-stat {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cj-stat-value {
  font-weight: 600;
  color: #374151;
}

/* --- Content Area --- */
.cj-content {
  position: relative;
  min-height: 550px;
}

/* --- Loading State --- */
.cj-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  gap: 20px;
}

.cj-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid #e5e7eb;
  border-top-color: #FF6384;
  border-radius: 50%;
  animation: cj-spin 0.8s linear infinite;
}

.cj-loading-text {
  color: #6b7280;
  font-size: 14px;
  font-weight: 500;
}

.cj-loading-subtext {
  color: #9ca3af;
  font-size: 12px;
  margin-top: -12px;
}

/* --- Error State --- */
.cj-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  gap: 16px;
  padding: 40px;
}

.cj-error-icon {
  width: 56px;
  height: 56px;
  background: #fef2f2;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cj-error-icon svg {
  width: 28px;
  height: 28px;
  fill: #ef4444;
}

.cj-error-title {
  font-size: 16px;
  font-weight: 600;
  color: #1f2937;
}

.cj-error-message {
  font-size: 14px;
  color: #6b7280;
  text-align: center;
  max-width: 400px;
  line-height: 1.5;
}

.cj-retry-btn {
  padding: 8px 20px;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  background: white;
  color: #374151;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cj-retry-btn:hover {
  background: #f9fafb;
  border-color: #d1d5db;
}

/* --- App Layout (Two Panels) --- */
.cj-app-layout {
  display: flex;
  min-height: 520px;
}

.cj-config-panel {
  width: 290px;
  min-width: 290px;
  border-right: 1px solid #f3f4f6;
  background: #fafbfc;
  padding: 16px;
  overflow-y: auto;
  max-height: 700px;
}

.cj-chart-area {
  flex: 1;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.cj-chart-area canvas {
  max-width: 100%;
  max-height: 600px;
}

/* --- Config Panel Sections --- */
.cj-config-section {
  margin-bottom: 18px;
}

.cj-config-section-title {
  font-size: 11px;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

/* --- Chart Type Picker --- */
.cj-chart-types {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cj-chart-type-btn {
  width: 38px;
  height: 38px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  background: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  padding: 0;
}

.cj-chart-type-btn:hover {
  border-color: #36A2EB;
  background: #eff6ff;
}

.cj-chart-type-btn.active {
  border-color: #36A2EB;
  background: #dbeafe;
  box-shadow: 0 0 0 2px rgba(54,162,235,0.2);
}

.cj-chart-type-btn svg {
  width: 20px;
  height: 20px;
}

/* --- Form Controls --- */
.cj-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: #4b5563;
  margin-bottom: 4px;
}

.cj-select,
.cj-input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 13px;
  color: #1f2937;
  background: white;
  transition: border-color 0.15s ease;
  box-sizing: border-box;
}

.cj-select:focus,
.cj-input:focus {
  outline: none;
  border-color: #36A2EB;
  box-shadow: 0 0 0 2px rgba(54,162,235,0.15);
}

/* --- Series Cards --- */
.cj-series-card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 8px;
  position: relative;
}

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

.cj-series-card-title {
  font-size: 12px;
  font-weight: 600;
  color: #374151;
}

.cj-series-remove-btn {
  width: 22px;
  height: 22px;
  border: none;
  background: #fef2f2;
  color: #ef4444;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
  padding: 0;
}

.cj-series-remove-btn:hover {
  background: #fee2e2;
}

.cj-series-field {
  margin-bottom: 6px;
}

.cj-series-color-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cj-color-input {
  width: 32px;
  height: 28px;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  cursor: pointer;
  padding: 1px;
  background: white;
}

.cj-color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.cj-color-input::-webkit-color-swatch {
  border: none;
  border-radius: 3px;
}

.cj-add-series-btn {
  width: 100%;
  padding: 8px;
  border: 2px dashed #d1d5db;
  border-radius: 8px;
  background: transparent;
  color: #6b7280;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.cj-add-series-btn:hover {
  border-color: #36A2EB;
  color: #36A2EB;
  background: #f0f7ff;
}

/* --- Options Section --- */
.cj-options-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 6px 0;
  user-select: none;
}

.cj-options-toggle-icon {
  font-size: 10px;
  color: #9ca3af;
  transition: transform 0.2s ease;
}

.cj-options-toggle-icon.open {
  transform: rotate(90deg);
}

.cj-options-content {
  display: none;
  padding-top: 8px;
}

.cj-options-content.open {
  display: block;
}

.cj-checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.cj-checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #36A2EB;
  cursor: pointer;
}

.cj-checkbox-row label {
  font-size: 13px;
  color: #4b5563;
  cursor: pointer;
  user-select: none;
}

/* --- Full Width Toggle --- */
.cj-wrapper.full-width {
  border-radius: 0;
  margin: -15px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .cj-app-layout {
    flex-direction: column;
  }

  .cj-config-panel {
    width: 100%;
    min-width: 100%;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid #f3f4f6;
  }

  .cj-chart-area {
    padding: 16px;
  }

  .cj-header {
    padding: 12px 16px;
  }

  .cj-stats {
    padding: 8px 16px;
    flex-wrap: wrap;
  }
}