.budget-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.budget-modal.show {
    display: block;
    opacity: 1;
}

.budget-modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 550px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: scale(0.9);
    transition: var(--transition);
}

.budget-modal.show .budget-modal-content {
    transform: scale(1);
}

.close-budget-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--primary-color);
    font-size: 2.5rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.close-budget-modal:hover {
    color: var(--secondary-color);
    transform: rotate(90deg);
}

.budget-modal-content h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 600;
    font-size: 1.75rem;
}

.budget-modal-content form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.budget-modal-content input,
.budget-modal-content select,
.budget-modal-content textarea {
    width: 100%;
    padding: 0.85rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
    font-family: 'Inter', sans-serif;
}

.budget-modal-content input:focus,
.budget-modal-content select:focus,
.budget-modal-content textarea:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.budget-modal-content textarea {
    resize: vertical;
    min-height: 120px;
}

.budget-modal-content button {
    padding: 1rem;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 1rem;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: 0 6px 15px rgba(52, 152, 219, 0.2);
}

.budget-modal-content button:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(44, 62, 80, 0.2);
}

.budget-modal-content button:active {
    transform: translateY(0);
    box-shadow: 0 4px 10px rgba(44, 62, 80, 0.2);
}

@media screen and (max-width: 600px) {
    .budget-modal-content {
        margin: 0;
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
        padding: 2rem 1.5rem;
        overflow-y: auto;
    }

    .close-budget-modal {
        top: 1.5rem;
        right: 1.5rem;
    }
}

/* Accessibility and Focus States */
input:focus, 
select:focus, 
textarea:focus, 
button:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Animate Input Interactions */
input:hover,
select:hover,
textarea:hover {
    border-color: var(--primary-color);
}