feature login

src/assets/tailwind.css

@@ -1,3 +1,37 @@
+/* 引入 Google fonts */
+@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');
+
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
+
+/* 全域字型 */
+@layer base {
+  html {
+    font-family: 'Roboto', sans-serif, system-ui;
+    color: #1A1A1A;
+  }
+}
+
+/* components */
+/* button */
+.btn {
+@apply inline-block rounded-full text-base font-medium text-center align-middle transition-colors
+}
+.btn-sm {
+@apply px-5 py-2
+}
+.btn-lg {
+  @apply px-5 py-3
+}
+.btn-c-primary {
+  @apply bg-neutral border border-neutral hover:bg-[#FFFFFF] hover:text-primary hover:border  hover:border-primary active:bg-primary active:text-[#FFFFFF] active:border
+}
+.btn-disable {
+  @apply border border-neutral bg-[#FFFFFF] text-neutral
+}
+
+/* invalid */
+.is-invalid :invalid{
+  @apply invalid:border-danger focus:ring-danger
+}