@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');

body {
    font-family: 'Vazirmatn', sans-serif;
    background-color: #f4f6f9;
    direction: rtl;
    text-align: right;
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
}

.notebook-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 1rem;
    border-radius: 0 0 20px 20px;
    margin-bottom: 2rem;
}

.section-title {
    color: #444;
    font-weight: bold;
    border-right: 4px solid #764ba2;
    padding-right: 10px;
}

.btn-primary {
    background-color: #764ba2;
    border-color: #764ba2;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(118, 75, 162, 0.25);
    border-color: #764ba2;
}

/* Mobile optimizations */
@media (max-width: 576px) {
    .container { padding: 0 15px; }
}