.file-preview-open {
    overflow: hidden;
}

.file-preview-popup[hidden] {
    display: none;
}

.file-preview-popup {
    position: fixed;
    z-index: 2200;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 1.25rem;
}

.file-preview-backdrop {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(8, 6, 32, .78);
    backdrop-filter: blur(5px);
}

.file-preview-dialog {
    position: relative;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    width: min(1120px, 96vw);
    height: min(860px, 92vh);
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(99, 226, 210, .65);
    border-radius: 1rem;
    box-shadow: 0 30px 90px rgba(8, 6, 32, .45);
}

.file-preview-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.15rem 1.4rem;
    background: #171043;
    color: #fff;
    border-bottom: 2px solid #63e2d2;
}

.file-preview-header h2 {
    margin: .15rem 0 0;
    font-size: 1.3rem;
}

.file-preview-header p {
    margin: .2rem 0 0;
    color: #aba3cd;
    font-size: .75rem;
    overflow-wrap: anywhere;
}

.file-preview-close {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border: 0;
    border-radius: .5rem;
    background: rgba(255, 255, 255, .08);
    color: #dcd6ef;
    font-size: 1.8rem;
    line-height: 1;
}

.file-preview-close:hover,
.file-preview-close:focus {
    background: rgba(255, 255, 255, .16);
    color: #fff;
}

.file-preview-body {
    min-height: 0;
    display: grid;
    place-items: center;
    overflow: auto;
    background: #eeebf4;
}

.file-preview-frame {
    width: 100%;
    height: 100%;
    border: 0;
    background: #fff;
}

.file-preview-image {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: 1.25rem;
}

.file-preview-unavailable {
    max-width: 520px;
    padding: 3rem 1.5rem;
    text-align: center;
    color: #625779;
}

.file-preview-unavailable > span {
    display: grid;
    place-items: center;
    width: 70px;
    height: 70px;
    margin: 0 auto 1.1rem;
    border-radius: 1rem;
    background: #ddd5ee;
    color: #6846a9;
    font-size: 2rem;
}

.file-preview-unavailable h3 {
    color: #271758;
    font-size: 1.15rem;
}

.file-preview-unavailable p {
    margin: 0;
}

.file-preview-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .75rem;
    padding: 1rem 1.4rem;
    border-top: 1px solid #e5ddef;
    background: #fff;
}

.file-preview-footer > span {
    margin-right: auto;
}

@media (max-width: 575.98px) {
    .file-preview-popup {
        padding: .5rem;
    }

    .file-preview-dialog {
        width: 100%;
        height: 96vh;
        border-radius: .7rem;
    }

    .file-preview-header,
    .file-preview-footer {
        padding: 1rem;
    }

    .file-preview-footer .btn {
        flex: 1;
    }

    .file-preview-footer {
        flex-wrap: wrap;
    }

    .file-preview-footer > span {
        width: 100%;
    }
}