.modal-custom {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    display: none;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}

.modal-custom.show {
    display: block;
}

.modal-custom .modal-dialog {
    position: relative;
    width: auto;
    margin: 0.5rem;
    pointer-events: none;
}

.modal-custom .modal-dialog {
    margin: 0.75rem auto;
    max-width: 500px;
    display: flex;
    align-items: center;
    min-height: calc(100% - 1.5rem);
    z-index: 1061;
}

body.modal-open {
    overflow: hidden;
}

.modal-custom .modal-dialog.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 1rem);
}

.modal-custom .modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,.15);
    width: 100%;
    position: relative;
    z-index: 1061 !important;
}

.modal-custom .modal-header {
    border-bottom: 1px solid #e0e0e0;
    padding: 16px 20px;
    background-color: #f8f9fa;
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-custom .modal-header .modal-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin: 0;
    flex: 1;
    text-align: center;
}

.modal-custom .modal-body {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-custom .modal-footer {
    border-top: 1px solid #e0e0e0;
    padding: 16px 20px;
    background-color: #f8f9fa;
    border-radius: 0 0 12px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.modal-custom .btn {
    min-width: 80px;
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.modal-custom .btn-sm {
    min-width: 70px;
    font-size: 0.85rem;
    padding: 6px 12px;
    height: 32px;
}

.modal-custom .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.modal-custom .btn-primary:hover {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.modal-custom .btn-outline-secondary {
    color: #6c757d;
    border-color: #6c757d;
}

.modal-custom .btn-outline-secondary:hover {
    background-color: #6c757d;
    color: white;
}

.modal-custom .btn-close {
    padding: 0.5rem;
    margin: -0.5rem -0.5rem -0.5rem auto;
    background-size: 1em;
    background-color: transparent;
    border: none;
    opacity: 0.6;
    transition: opacity 0.2s;
    outline: none !important;
    box-shadow: none !important;
}

.modal-custom .btn-close:hover {
    opacity: 1;
    background-color: transparent;
    box-shadow: none;
}

.modal-custom .btn-close:focus {
    outline: none !important;
    box-shadow: none !important;
    background-color: transparent;
}

.modal-custom[aria-hidden="false"],
.modal-custom:not([aria-hidden]) {
    display: block !important;
}

.modal-custom.fade .modal-dialog {
    transition: transform 0.3s ease-out;
    transform: translate(0, -50px);
}

.modal-custom.show .modal-dialog {
    transform: none;
}

.modal-custom .modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 0.3rem;
    outline: 0;
}

.modal-backdrop-custom {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    opacity: 0;
    transition: opacity 0.15s linear;
    z-index: 1040;
}

.modal-backdrop-custom.show {
    opacity: 0.5;
}

body.modal-open-custom {
    overflow: hidden;
    padding-right: 0 !important;
}

.citation-format {
    margin-bottom: 15px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.citation-format h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.citation-format pre {
    margin: 0;
    font-size: 0.85rem;
    white-space: pre-wrap;
    background-color: white;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
}

.export-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.export-option {
    display: flex;
    align-items: center;
    padding: 10px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    flex-direction: column;
    text-align: center;
}

.export-option:hover {
    background-color: #f0f7ff;
    border-color: var(--primary-color);
}

.export-option.selected {
    background-color: #e9f0fd;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.15rem rgba(13, 110, 253, 0.15);
}

.export-option-icon {
    margin-bottom: 8px;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.export-option-name {
    font-weight: 500;
    font-size: 0.85rem;
}

.export-option-desc {
    font-size: 0.7rem;
    color: var(--light-text);
    margin-top: 4px;
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1050 !important;
}

.modal-backdrop.show {
    opacity: 1;
}

@media (max-width: 768px) {
	.modal-custom .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
    
    .modal-custom .modal-body {
        padding: 15px;
        max-height: 50vh;
    }
    
    .export-options {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 8px;
    }
    
    
}

@media (max-width: 576px) {    
    .modal-custom .modal-dialog {
        margin: 0.25rem;
        max-width: calc(100% - 0.5rem);
    }
    
    .modal-custom .modal-body {
        padding: 10px;
    }
    
    .modal-custom .modal-header,
    .modal-custom .modal-footer {
        padding: 10px 12px;
    }
}

@media (max-width: 480px) {   
    .modal-custom .btn {
        min-width: 60px;
        font-size: 0.8rem;
        padding: 5px 8px;
    }
    
    .export-option {
        padding: 8px 5px;
    }
    
    .export-option-name {
        font-size: 0.75rem;
    }
}

.modal-validation-error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 5px;
    display: none;
}

.modal-validation-error.show {
    display: block;
}

.modal-is-invalid {
    border-color: #dc3545 !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.modal-response-message {
    padding: 15px;
    border-radius: 5px;
    margin-top: 10px;
    margin-bottom: 10px;
    display: none;
}

.modal-response-success {
    background-color: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
}

.modal-response-error {
    background-color: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
}

.modal-response-loading {
    background-color: #fff3cd;
    color: #664d03;
    border: 1px solid #ffecb5;
}