Add acceleration timeline

frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.scss

@@ -0,0 +1,197 @@
+.acceleration-timeline {
+  position: relative;
+  width: 100%;
+  padding: 1em 0;
+
+  &::after, &::before {
+    content: '';
+    display: block;
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    width: 2em;
+    z-index: 2;
+  }
+
+  &::before {
+    left: 0;
+    background: linear-gradient(to right, var(--box-bg), var(--box-bg), transparent);
+  }
+
+  &::after {
+    right: 0;
+    background: linear-gradient(to left, var(--box-bg), var(--box-bg), transparent);
+  }
+
+  .timeline-wrapper {
+    position: relative;
+    width: calc(100% - 2em);
+    margin: auto;
+    overflow-x: auto;
+    -ms-overflow-style: none;
+    scrollbar-width: none;
+  
+    &::-webkit-scrollbar {
+      display: none;
+    }
+  }
+
+  .intervals, .nodes {
+    min-width: 100%;
+    display: flex;
+    flex-direction: row;
+    justify-content: space-between;
+    align-items: flex-start;
+    text-align: center;
+
+    .node, .node-spacer {
+      width: 6em;
+      min-width: 6em;
+      flex-grow: 1;
+    }
+
+    .interval, .interval-spacer {
+      width: 8em;
+      min-width: 5em;
+      max-width: 8em;
+      height: 32px;
+      display: flex;
+      flex-direction: row;
+      justify-content: center;
+      align-items: flex-end;
+    }
+
+    .interval {
+      overflow: visible;
+    }
+
+    .interval-time {
+      font-size: 12px;
+      line-height: 16px;
+      white-space: nowrap;
+    }
+  }
+
+  .node, .interval-spacer {
+    position: relative;
+    .seen-to-acc {
+      position: absolute;
+      height: 10px;
+      left: -5px;
+      right: -5px;
+      top: 0;
+      transform: translateY(-50%);
+      background: var(--primary);
+      border-radius: 5px;
+
+      &.loading {
+        animation: standardPulse 1s infinite;
+      }
+
+      &.left {
+        right: 50%;
+      }
+
+      &.right {
+        left: 50%;
+      }
+    }
+
+    .acc-to-confirmed {
+      position: absolute;
+      height: 10px;
+      left: -5px;
+      right: -5px;
+      top: 0;
+      transform: translateY(-50%);
+      background: var(--tertiary);
+      border-radius: 5px;
+
+      &.loading {
+        animation: acceleratePulse 1s infinite;
+      }
+
+      &.left {
+        right: 50%;
+      }
+      &.right {
+        left: 50%;
+      }
+    }
+    
+  }
+
+  .nodes {
+    position: relative;
+    margin-top: 1em;
+    .node {
+      .shape-border {
+        display: block;
+        margin: auto;
+        height: calc(1em + 8px);
+        width: calc(1em + 8px);
+        margin-bottom: -8px;
+        transform: translateY(-50%);
+        border-radius: 50%;
+        padding: 2px;
+        background: transparent;
+        transition: background-color 300ms, padding 300ms;
+
+        .shape {
+          width: 100%;
+          height: 100%;
+          border-radius: 50%;
+          background: white;
+          transition: background-color 300ms, border 300ms;
+        }
+
+        &.sent-selected {
+          .shape {
+            background: var(--primary);
+          }
+        }
+
+        &.accelerated-selected {
+          .shape {
+            background: var(--tertiary);
+          }
+        }
+
+        &.mined-selected {
+          .shape {
+            background: var(--success);
+          }
+        }
+      }
+
+      .status {
+        margin-top: -64px;
+        
+        .badge.badge-accelerated {
+          background-color: var(--tertiary);
+          color: white;
+        }
+      }
+
+      .time {
+        margin-top: 33px;
+        font-size: 12px;
+        line-height: 16px;
+        white-space: nowrap;
+      }
+    }
+  }
+}
+
+@keyframes acceleratePulse {
+  0% { background-color: var(--tertiary) }
+  50% { background-color: var(--mainnet-alt) }
+  100% { background-color: var(--tertiary) }
+}
+
+@keyframes standardPulse {
+  0% { background-color: var(--primary) }
+  50% { background-color: var(--secondary) }
+  100% { background-color: var(--primary) }
+  
+}