/* Bootstrap CSS Minimal - برای جلوگیری از خطا */
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.row { display: flex; flex-wrap: wrap; margin: 0 -15px; }
.col { flex: 1; padding: 0 15px; }
.d-flex { display: flex; }
.justify-content-center { justify-content: center; }
.align-items-center { align-items: center; }
.text-center { text-align: center; }
.btn { padding: 0.5rem 1rem; border: none; border-radius: 4px; cursor: pointer; }
.btn-primary { background-color: #007bff; color: white; }