v2 first commit

resources/assets/sass/core/charts/_chart.scss

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+//
+// Chart
+//
+
+.chart {
+    position: relative;
+    height: $chart-height;
+}
+
+
+// Size variations
+
+.chart-sm {
+    height: $chart-height-sm;
+}
+
+
+// Legend
+
+.chart-legend {
+    display: flex;
+    justify-content: center;
+    margin-top: $chart-legend-margin-top;
+    font-size: $chart-legend-font-size;
+    text-align: center;
+    color: $chart-legend-color;
+}
+
+.chart-legend-item {
+    display: inline-flex;
+    align-items: center;
+
+    + .chart-legend-item {
+        margin-left: 1rem;
+    }
+}
+
+.chart-legend-indicator {
+    display: inline-block;
+    width: 0.5rem;
+    height: 0.5rem;
+    margin-right: 0.375rem;
+    border-radius: 50%;
+}
+
+
+// Tooltip
+
+#chart-tooltip {
+    z-index: 0;
+
+    .arrow {
+        top: 100%;
+        left: 50%;
+        transform: translateX(-50%) translateX(-.5rem);
+    }
+}
+
+
+// Chart info overlay
+
+.chart-info-overlay {
+  position: absolute;
+  top: 0;
+  left: 5%;
+  max-width: 350px;
+  padding: 20px;
+  z-index: 1;
+}