Initial commit: OAuth IAM Laravel application

Laravel-based OAuth/IAM service with Passport, Vue 3 frontend, and
Docker Compose setup for local and production deployment.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

resources/scss/components/_card.scss

@@ -0,0 +1,35 @@
+@use '../abstracts/variables' as *;
+@use '../abstracts/mixins' as *;
+
+.card {
+    background: var(--color-surface);
+    border: 1px solid var(--color-border);
+    border-radius: $radius-xl;
+    padding: $space-5;
+}
+
+.card__title {
+    font-weight: 500;
+    color: var(--color-text-primary);
+}
+
+.card__subtitle {
+    margin-top: $space-1;
+    font-size: $font-sm;
+    color: var(--color-text-secondary);
+}
+
+// Tarjetas-link del dashboard: hover con leve elevación.
+.card--interactive {
+    display: block;
+    transition:
+        transform $transition-fast,
+        border-color $transition-fast,
+        box-shadow $transition-fast;
+
+    &:hover {
+        transform: translateY(-2px);
+        border-color: var(--color-accent-strong);
+        box-shadow: var(--shadow-elevated);
+    }
+}