/* Modal positioning & layout */
#base-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
}

#base-modal-level-1 {
    position: fixed;
    inset: 0;
    z-index: 19999;
}

#base-modal > .modal-underlay {
    position: absolute;
    inset: 0;
    cursor: pointer;
    z-index: 9999;
}

#base-modal-level-1 > .modal-underlay {
    position: absolute;
    inset: 0;
    cursor: pointer;
    z-index: 19999;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgb(0 0 0 / 0.5);
}

.modal-overlay-transparent {
    position: absolute;
    inset: 0;
    background: transparent;
}

#core-modal-placeholder {
    position: relative;
    z-index: 10000;
}

#core-modal-level-1-placeholder {
    position: relative;
    z-index: 20000;
}

/* Base modal overlay animations */
#base-modal,
#base-modal-level-1 {
    animation: fadeIn 0.3s ease-out;
}

#base-modal.closing,
#base-modal-level-1.closing {
    animation: fadeOut 0.3s ease-out;
}

/* Content animation types */
#core-modal-placeholder[data-animation-type="slide-down"],
#core-modal-level-1-placeholder[data-animation-type="slide-down"] {
    animation: slideDownIn 0.3s ease-out;
}

#base-modal.closing #core-modal-placeholder[data-animation-type="slide-down"],
#base-modal-level-1.closing #core-modal-level-1-placeholder[data-animation-type="slide-down"] {
    animation: slideDownOut 0.3s ease-out;
}

#core-modal-placeholder[data-animation-type="slide-up"],
#core-modal-level-1-placeholder[data-animation-type="slide-up"] {
    animation: slideUpIn 0.3s ease-out;
}

#base-modal.closing #core-modal-placeholder[data-animation-type="slide-up"],
#base-modal-level-1.closing #core-modal-level-1-placeholder[data-animation-type="slide-up"] {
    animation: slideUpOut 0.3s ease-out;
}

#core-modal-placeholder[data-animation-type="slide-right"],
#core-modal-level-1-placeholder[data-animation-type="slide-right"] {
    animation: slideRightIn 0.3s ease-out;
}

#base-modal.closing #core-modal-placeholder[data-animation-type="slide-right"],
#base-modal-level-1.closing #core-modal-level-1-placeholder[data-animation-type="slide-right"] {
    animation: slideRightOut 0.3s ease-out;
}

#core-modal-placeholder[data-animation-type="fade"],
#core-modal-level-1-placeholder[data-animation-type="fade"] {
    animation: fadeIn 0.3s ease-out;
}

#base-modal.closing #core-modal-placeholder[data-animation-type="fade"],
#base-modal-level-1.closing #core-modal-level-1-placeholder[data-animation-type="fade"] {
    animation: fadeOut 0.3s ease-out;
}

#core-modal-placeholder[data-animation-type="none"],
#core-modal-level-1-placeholder[data-animation-type="none"] {
    animation: none;
}

/* Keyframes (shared by all modals) */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes slideDownIn {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDownOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-100%);
    }
}

@keyframes slideUpIn {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUpOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(100%);
    }
}

@keyframes slideRightIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRightOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}