/* استایل‌های جدید برای بخش احراز هویت */
.auth-section {
    background: white;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.user-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-buttons {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* مودال */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 400px;
    width: 90%;
}

.modal h3 {
    margin-bottom: 20px;
    text-align: center;
    color: #4a5568;
}

.modal input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
}

.modal input:focus {
    outline: none;
    border-color: #667eea;
}

/* ریسپانسیو */
@media (max-width: 768px) {
    .user-info {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .auth-buttons {
        justify-content: center;
    }
}