.assignment-header { text-align: center; padding: 44px 16px 22px; }
.assignment-header h2 { font-size: 1.9rem; color: var(--color-primary); margin-bottom: 6px; }
.assignment-header p { color: var(--color-text-muted); }

.add-form {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center; padding: 0 16px 26px;
}
.add-form input {
  padding: 10px 14px; border: 1px solid var(--color-border);
  border-radius: var(--radius); font-size: 0.95rem; background: var(--color-card);
}
.add-form input[type="text"] { width: 240px; }
.add-form button {
  background-color: var(--color-accent); color: #fff; border: none;
  padding: 10px 20px; border-radius: var(--radius); font-weight: 600;
}
.add-form button:hover { background-color: var(--color-accent-hover); }

.assignment-list {
  max-width: 700px; margin: 0 auto; padding: 0 16px 40px;
  display: flex; flex-direction: column; gap: 12px;
}
.assignment-item {
  background: var(--color-card); padding: 16px 20px; border-radius: var(--radius);
  border-left: 4px solid var(--color-accent); box-shadow: var(--shadow);
  display: flex; justify-content: space-between; align-items: center;
}
.assignment-item.completed { border-left-color: var(--color-success); }
.assignment-item.completed .assignment-name { text-decoration: line-through; color: var(--color-text-muted); }
.assignment-info { display: flex; flex-direction: column; }
.assignment-name { font-weight: 600; }
.assignment-due { font-size: 0.85rem; color: var(--color-text-muted); }
.assignment-actions button { border: none; background: none; font-size: 1.1rem; margin-left: 10px; }
.empty-state { text-align: center; color: var(--color-text-muted); padding: 24px; font-size: 0.9rem; }