.expense-form-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin: 2rem auto;
    max-width: 900px;
}

.form-header {
    border-bottom: 2px solid var(--primary-dark, #1a1a1a);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

    .form-header h2 {
        color: var(--primary-dark, #1a1a1a);
        font-weight: 600;
        margin: 0;
        display: flex;
        align-items: center;
    }

    .form-header i {
        margin-right: 0.5rem;
        color: var(--success-color, #28a745);
    }

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.required::after {
    content: " *";
    color: var(--error-color, #dc3545);
}

/* Checkbox Styles */
.expense-types-container {
    border: 2px solid var(--border-color, #dee2e6);
    border-radius: 8px;
    padding: 1.5rem;
    background: var(--soft-gray, #f8f9fa);
}

.expense-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background: white;
    border: 2px solid var(--border-color, #dee2e6);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .checkbox-item:hover {
        border-color: var(--primary-dark, #1a1a1a);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .checkbox-item input[type="checkbox"] {
        width: 20px;
        height: 20px;
        margin-right: 0.75rem;
        cursor: pointer;
        accent-color: var(--success-color, #28a745);
    }

    .checkbox-item label {
        cursor: pointer;
        margin: 0;
        font-weight: 500;
        color: var(--primary-dark, #1a1a1a);
        flex: 1;
    }

    .checkbox-item.checked {
        border-color: var(--success-color, #28a745);
        background: #d4edda;
    }

.selected-count {
    display: inline-block;
    background: var(--info-color, #17a2b8);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group-text {
    padding: 0.75rem;
    background-color: var(--soft-gray, #f8f9fa);
    border: 2px solid var(--border-color, #dee2e6);
    border-right: 0;
    border-radius: 8px 0 0 8px;
    display: flex;
    align-items: center;
    font-weight: 600;
}

.input-group .form-control {
    border-left: 0;
    border-radius: 0 8px 8px 0;
}

.expense-summary-box {
    background: #e7f3ff;
    border-left: 4px solid var(--info-color, #17a2b8);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
}

.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color, #dee2e6);
}

.field-validation-error {
    color: var(--error-color, #dc3545);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .expense-form-container {
        margin: 1rem;
        padding: 1.5rem;
    }

    .btn-group {
        flex-direction: column-reverse;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .expense-types-grid {
        grid-template-columns: 1fr;
    }
}