first commit

web/static/js/app.js

@@ -0,0 +1,33 @@
+// Homework Manager JavaScript
+
+document.addEventListener('DOMContentLoaded', function() {
+    // Auto-dismiss alerts after 5 seconds
+    const alerts = document.querySelectorAll('.alert:not(.alert-danger)');
+    alerts.forEach(function(alert) {
+        setTimeout(function() {
+            alert.classList.add('fade');
+            setTimeout(function() {
+                alert.remove();
+            }, 150);
+        }, 5000);
+    });
+
+    // Confirm dialogs for dangerous actions
+    const confirmForms = document.querySelectorAll('form[data-confirm]');
+    confirmForms.forEach(function(form) {
+        form.addEventListener('submit', function(e) {
+            if (!confirm(form.dataset.confirm)) {
+                e.preventDefault();
+            }
+        });
+    });
+
+    // Set default datetime to now + 1 day for new assignments
+    const dueDateInput = document.getElementById('due_date');
+    if (dueDateInput && !dueDateInput.value) {
+        const tomorrow = new Date();
+        tomorrow.setDate(tomorrow.getDate() + 1);
+        tomorrow.setHours(23, 59, 0, 0);
+        dueDateInput.value = tomorrow.toISOString().slice(0, 16);
+    }
+});