unfinished compose box

src/lib/ui/Modal.svelte

@@ -0,0 +1,88 @@
+<script>
+    export let visible = true;
+    export let centered = false;
+
+    // disable scrolling hack: this has to be on body
+    $: if(visible) {
+        document.body.style.overflowY = "hidden";
+    } else {
+        document.body.style.overflowY = "scroll";
+    }
+</script>
+
+{#if visible}
+    <div class="overlay" on:click={() => visible = !visible}></div>
+    <div class="container">
+        <div class="modal" class:modal-top={!centered} class:modal-center={centered}>
+            <slot/>
+        </div>
+    </div>
+{/if}
+
+<style>
+    .container {
+        z-index: 101;
+        display: flex;
+        justify-content: center;
+        position: absolute;
+        width: 100vw;
+        height: 100vh;
+        pointer-events: none;
+    }
+
+    .modal {
+        background-color: var(--bg-800);
+        z-index: 101;
+
+        padding: 16px;
+        width: 732px;
+        border-radius: 8px;
+        box-shadow: 0px 16px 64px 4px rgba(0,0,0,0.5);
+        animation: modal_pop_up .15s cubic-bezier(0.22, 1, 0.36, 1);
+        height: fit-content;
+    }
+
+    .overlay {
+        width: 100vw;
+        height: 100vw;
+        position: absolute;
+        top: 0;
+        left: 0;
+        z-index: 100;
+        
+        background-color: rgba(0,0,0,0.2);
+        backdrop-filter: blur(32px) saturate(1.25);
+        user-select: none;
+
+        animation: modal_bg .15s cubic-bezier(0.22, 1, 0.36, 1);
+    }
+
+    .modal-top {
+        margin-top: 8em;
+    }
+
+    .modal-center {
+        align-items: center;
+    }
+
+    @keyframes modal_bg {
+        from {
+            background-color: rgba(0,0,0,0);
+            backdrop-filter: blur(0px) saturate(1.0);
+        }
+        to {
+            background-color: rgba(0,0,0,0.2);
+            backdrop-filter: blur(32px) saturate(1.25);
+        }
+    }
+
+    @keyframes modal_pop_up {
+        from {
+            transform: translateY(16px) scale(0.95);
+        }
+
+        to {
+            transform: translateY(0px) scale(1);
+        }
+    }
+</style>