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static/custom.css

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+/* Custom CSS for Chronos 2 Forecasting App */
+
+/* Body and container */
+body {
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
+    background-color: #f8f9fa;
+}
+
+/* Card enhancements */
+.card {
+    border: none;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    margin-bottom: 1.5rem;
+    transition: box-shadow 0.3s ease;
+}
+
+.card:hover {
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
+}
+
+.card-header {
+    background-color: #fff;
+    border-bottom: 2px solid #0066CC;
+    font-weight: 600;
+}
+
+/* Upload area */
+#upload-data {
+    cursor: pointer;
+    transition: all 0.3s ease;
+}
+
+#upload-data:hover {
+    border-color: #0066CC !important;
+    background-color: #e7f3ff !important;
+}
+
+/* Buttons */
+.btn-primary {
+    background-color: #0066CC;
+    border-color: #0066CC;
+}
+
+.btn-primary:hover {
+    background-color: #0052a3;
+    border-color: #0052a3;
+}
+
+/* Loading spinner */
+.dash-spinner {
+    color: #0066CC;
+}
+
+/* Slider customization */
+.rc-slider-track {
+    background-color: #0066CC;
+}
+
+.rc-slider-handle {
+    border-color: #0066CC;
+}
+
+.rc-slider-handle:active,
+.rc-slider-handle:focus,
+.rc-slider-handle:hover {
+    border-color: #0052a3;
+    box-shadow: 0 0 0 5px rgba(0, 102, 204, 0.2);
+}
+
+/* Table styling */
+.table {
+    font-size: 0.9rem;
+}
+
+.table thead th {
+    background-color: #0066CC;
+    color: white;
+    border: none;
+    font-weight: 600;
+}
+
+/* Alert styling */
+.alert {
+    border-radius: 8px;
+    border: none;
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+    .card-body {
+        padding: 1rem;
+    }
+
+    h2 {
+        font-size: 1.5rem;
+    }
+
+    h5 {
+        font-size: 1.1rem;
+    }
+}
+
+/* Chart container */
+#forecast-chart {
+    border-radius: 8px;
+}
+
+/* Metrics cards */
+.metrics-card {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    color: white;
+    border-radius: 12px;
+    padding: 1.5rem;
+    text-align: center;
+}
+
+/* Footer */
+footer {
+    margin-top: 3rem;
+    padding: 1rem 0;
+    border-top: 1px solid #dee2e6;
+}
+
+/* Accessibility improvements */
+:focus {
+    outline: 2px solid #0066CC;
+    outline-offset: 2px;
+}
+
+/* Loading overlay */
+._dash-loading {
+    background-color: rgba(255, 255, 255, 0.8);
+}
+
+._dash-loading-callback {
+    color: #0066CC;
+}
+
+/* Quality report badges */
+.badge {
+    font-weight: 500;
+    padding: 0.5em 0.75em;
+}