Added legal notice modal

src/assets/scss/radix/_dialog.scss

@@ -0,0 +1,80 @@
+.dialog-overlay {
+    background-color: color-mix(in srgb, var(--black) 40%, transparent);
+    position: fixed;
+    inset: 0;
+    animation: show-overlay 150ms cubic-bezier(0.16, 1, 0.3, 1);
+    z-index: 100;
+}
+
+.dialog-content {
+    position: fixed;
+    top: 50%;
+    left: 50%;
+    z-index: 200;
+    transform: translate(-50%, -50%);
+    width: 50rem;
+    max-width: calc(100% - 4rem);
+    max-height: 85vh;
+    padding: 25px;
+    border-radius: 8px;
+    background-color: var(--white);
+    border: 1px solid var(--slate-100);
+    box-shadow: color-mix(in srgb, var(--black) 10%, transparent) 0px 4px 12px;
+    animation: show-content 150ms cubic-bezier(0.16, 1, 0.3, 1);
+
+    &:focus {
+        outline: none;
+    }
+}
+
+.dialog-title {
+    margin-bottom: .5em;
+    font-size: 1.5em;
+    font-weight: 700;
+}
+
+.dialog-description {
+    h3 {
+        font-size: 1.25em;
+        font-weight: 700;
+    }
+
+    font-size: 1em;
+    color: var(--slate-800);
+    line-height: 1.5;
+
+    > * + * {
+        margin-top: 1em;
+    }
+
+    a {
+        text-underline-offset: 2px;
+        text-decoration: underline;
+
+        &:hover,
+        &:focus-visible {
+            text-decoration: none;
+            color: var(--green-500);
+        }
+    }
+}
+
+@keyframes show-overlay {
+    from {
+        opacity: 0;
+    }
+    to {
+        opacity: 1;
+    }
+}
+
+@keyframes show-content {
+    from {
+        opacity: 0;
+        transform: translate(-50%, -48%) scale(0.96);
+    }
+    to {
+        opacity: 1;
+        transform: translate(-50%, -50%) scale(1);
+    }
+}