Create index.css

index.css

@@ -0,0 +1,119 @@
+* {
+  box-sizing: border-box;
+  padding: 0;
+  margin: 0;
+  font-family: sans-serif;
+}
+
+html,
+body {
+  height: 100%;
+}
+
+body {
+  padding: 16px 32px;
+}
+
+body,
+#container,
+#upload-button {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+}
+
+h1,
+h3 {
+  text-align: center;
+}
+
+#container {
+  position: relative;
+  width: 640px;
+  height: 420px;
+  max-width: 100%;
+  max-height: 100%;
+  border: 2px dashed #d1d5db;
+  border-radius: 0.75rem;
+  overflow: hidden;
+  cursor: pointer;
+  margin-top: 1rem;
+  background-size: 100% 100%;
+  background-position: center;
+  background-repeat: no-repeat;
+}
+
+#mask-output {
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  pointer-events: none;
+}
+
+#upload-button {
+  gap: 0.4rem;
+  font-size: 18px;
+  cursor: pointer;
+  opacity: 0.2;
+}
+
+#upload {
+  display: none;
+}
+
+svg {
+  pointer-events: none;
+}
+
+#example {
+  font-size: 14px;
+  text-decoration: underline;
+  cursor: pointer;
+  pointer-events: none;
+}
+
+#example:hover {
+  color: #2563eb;
+}
+
+canvas {
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  opacity: 0.6;
+}
+
+#status {
+  min-height: 16px;
+  margin: 8px 0;
+}
+
+.icon {
+  height: 16px;
+  width: 16px;
+  position: absolute;
+  transform: translate(-50%, -50%);
+}
+
+#controls > button {
+  padding: 6px 12px;
+  background-color: #3498db;
+  color: white;
+  border: 1px solid #2980b9;
+  border-radius: 5px;
+  cursor: pointer;
+  font-size: 16px;
+}
+
+#controls > button:disabled {
+  background-color: #d1d5db;
+  color: #6b7280;
+  border: 1px solid #9ca3af;
+  cursor: not-allowed;
+}
+
+#information {
+  margin-top: 0.25rem;
+  font-size: 15px;
+}