.bk-ui {
    --bk-orange: #bd510b;
    --bk-bright: #ed7415;
    --bk-ink: #20221e;
    --bk-muted: #64665f;
    --bk-line: #eadfd3;
    --bk-cream: #faf7f2;
    color: var(--bk-ink);
    font-family: "DM Sans", Arial, sans-serif;
    line-height: 1.6;
}

.bk-ui *,
.bk-ui *::before,
.bk-ui *::after {
    box-sizing: border-box;
}

.bk-admin {
    margin: 0;
    background: #faf7f2;
}

.bk-ui [hidden] {
    display: none !important;
}

.bk-ui h1,
.bk-ui h2,
.bk-ui h3,
.bk-ui h4 {
    color: var(--bk-ink);
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.bk-ui h1 {
    margin: 10px 0 16px;
    font-size: clamp(28px, 3.5vw, 44px);
    letter-spacing: -.035em;
}

.bk-ui h2 {
    margin: 10px 0 18px;
    font-size: clamp(25px, 3vw, 36px);
}

.bk-ui p {
    color: var(--bk-muted);
}

.bk-ui a {
    color: var(--bk-orange);
    text-underline-offset: 4px;
}

.bk-ui button,
.bk-ui input,
.bk-ui select,
.bk-ui textarea {
    font: inherit;
}

.bk-ui :focus-visible {
    outline: 3px solid #bf5a18;
    outline-offset: 4px;
}

.bk-ui .bk-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px;
    padding: 20px clamp(18px, 5vw, 70px);
    background: #fff;
    border-bottom: 1px solid var(--bk-line);
}

.bk-ui .bk-brand {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--bk-orange);
    font-size: 30px;
    font-weight: 800;
    text-decoration: none;
}

.bk-ui .bk-brand span {
    color: var(--bk-ink);
    font-size: 14px;
    font-weight: 600;
}

.bk-ui .bk-shell {
    width: min(1240px, calc(100% - 36px));
    margin: 40px auto 70px;
}

.bk-ui .bk-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 22px;
    margin-bottom: 28px;
}

.bk-ui .bk-heading p {
    margin-bottom: 0;
}

.bk-ui .bk-eyebrow {
    display: inline-block;
    color: var(--bk-orange);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.bk-ui .bk-panel {
    min-width: 0;
    padding: clamp(20px, 3vw, 36px);
    border: 1px solid var(--bk-line);
    border-top: 3px solid var(--bk-bright);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 12px 35px rgb(32 34 30 / 5%);
}

.bk-ui .bk-login {
    max-width: 500px;
    margin: 60px auto;
}

.bk-ui .bk-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

.bk-ui .bk-actions form {
    margin: 0;
}

.bk-ui .bk-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    min-height: 46px;
    padding: 12px 20px;
    border: 1px solid var(--bk-orange);
    border-radius: 8px;
    background: var(--bk-orange);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color .2s, transform .2s;
}

.bk-ui .bk-button:hover {
    background: #973f07;
    transform: translateY(-2px);
}

.bk-ui .bk-secondary {
    background: #fff5e9;
    color: var(--bk-orange);
    border-color: #edd0b4;
}

.bk-ui .bk-secondary:hover {
    background: #ffe9d4;
}

.bk-ui .bk-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.bk-ui .bk-wide {
    grid-column: 1 / -1;
}

.bk-ui label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
    font-size: 14px;
    font-weight: 600;
}

.bk-ui input:not([type="checkbox"]):not([type="hidden"]),
.bk-ui select,
.bk-ui textarea {
    width: 100%;
    min-width: 0;
    min-height: 46px;
    padding: 12px;
    border: 1px solid #dcd5cb;
    border-radius: 8px;
    background: #fff;
    color: var(--bk-ink);
}

.bk-ui input[type="file"] {
    font-size: 13px;
}

.bk-ui textarea {
    resize: vertical;
}

.bk-ui label small,
.bk-ui .bk-help {
    color: var(--bk-muted);
    font-size: 12px;
    font-weight: 400;
}

.bk-ui fieldset {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--bk-line);
    border-radius: 10px;
}

.bk-ui legend {
    padding: 0 8px;
    font-weight: 700;
    font-size: 14px;
}

.bk-ui .bk-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}

.bk-ui .bk-checks label {
    flex-direction: row;
    align-items: center;
}

.bk-ui input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--bk-orange);
}

.bk-ui .bk-message {
    margin-bottom: 24px;
    padding: 16px 20px;
    border-radius: 10px;
}

.bk-ui .bk-error {
    color: #8d251b;
    background: #fff0ec;
    border: 1px solid #efc6bf;
}

.bk-ui .bk-success {
    color: #245839;
    background: #edf8f0;
    border: 1px solid #bdddc6;
}

.bk-ui .bk-filters {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(160px, 230px) auto auto;
    align-items: end;
    gap: 16px;
    margin-bottom: 26px;
}

.bk-ui .bk-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--bk-line);
    border-radius: 10px;
}

.bk-ui .bk-table {
    width: 100%;
    min-width: 900px;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

.bk-ui .bk-table th,
.bk-ui .bk-table td {
    padding: 17px;
    border-bottom: 1px solid var(--bk-line);
    vertical-align: middle;
}

.bk-ui .bk-table th {
    background: #fff5e9;
    font-size: 12px;
}

.bk-ui .bk-table tbody tr:last-child td {
    border-bottom: 0;
}

.bk-ui .bk-table tbody tr:hover {
    background: #fffdf9;
}

.bk-ui .bk-table-book {
    display: flex;
    gap: 13px;
    align-items: center;
    min-width: 230px;
    max-width: 350px;
}

.bk-ui .bk-table-book img {
    width: 48px;
    height: 64px;
    object-fit: contain;
    flex-shrink: 0;
    background: var(--bk-cream);
    border-radius: 4px;
}

.bk-ui .bk-table-book strong,
.bk-ui .bk-table-book small {
    display: block;
    overflow-wrap: anywhere;
}

.bk-ui .bk-table-book small {
    margin-top: 4px;
    color: var(--bk-muted);
}

.bk-ui .bk-tag {
    display: inline-block;
    margin: 3px 3px 3px 0;
    padding: 5px 9px;
    background: #fff2e4;
    color: #8d410e;
    border-radius: 6px;
    font-size: 0.89rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.bk-ui .bk-delete {
    padding: 0;
    border: 0;
    background: transparent;
    color: #a12f24;
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}

.bk-ui .bk-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 28px;
    font-size: 14px;
}

.bk-ui.bk-catalogue {
    padding: 70px 0;
    background: var(--bk-cream);
}

.bk-ui .bk-catalogue-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.bk-ui .bk-catalogue-nav a {
    padding: 10px 16px;
    background: #fff;
    border: 1px solid var(--bk-line);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.bk-ui .bk-group {
    margin-top: 42px;
    scroll-margin-top: 110px;
}

.bk-ui .bk-group>h3 {
    font-size: 25px;
    margin-bottom: 8px;
}

.bk-ui .bk-book-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.bk-ui .bk-book-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--bk-line);
    border-radius: 14px;
    background: #fff;
    transition: transform .25s, box-shadow .25s;
}

.bk-ui .bk-cover-link {
    display: block;
    padding: 24px;
    background: #f2ece3;
}

.bk-ui .bk-cover-link img {
    display: block;
    width: 100%;
    height: 260px;
    object-fit: contain;
    filter: drop-shadow(5px 8px 6px rgb(32 34 30 / 14%));
}

.bk-ui .bk-book-body {
    padding: 24px;
}

.bk-ui .bk-book-body h4 {
    margin: 12px 0;
    font-size: 20px;
}

.bk-ui .bk-book-body h4 a {
    color: var(--bk-ink);
    text-decoration: none;
}

.bk-ui .bk-book-body p {
    margin: 10px 0;
    overflow-wrap: anywhere;
}

.bk-ui .bk-book-body small {
    color: var(--bk-muted);
}

.bk-ui .bk-read-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid var(--bk-line);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.bk-ui .bk-empty {
    padding: 28px;
    border: 1px dashed #dfc8b3;
    border-radius: 12px;
    color: var(--bk-muted);
}

.bk-ui.bk-public {
    padding: 45px 0 80px;
    background: var(--bk-cream);
}

.bk-ui .bk-back {
    display: inline-block;
    margin-bottom: 30px;
    font-size: 14px;
}

.bk-ui .bk-detail {
    display: grid;
    grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
    align-items: start;
    gap: clamp(28px, 5vw, 64px);
}

.bk-ui .bk-detail-cover {
    padding: 24px;
    border: 1px solid var(--bk-line);
    border-radius: 16px;
    background: #eee6da;
}

.bk-ui .bk-detail-cover img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 560px;
    object-fit: contain;
    filter: drop-shadow(8px 10px 8px rgb(32 34 30 / 15%));
}

.bk-ui .bk-detail-copy {
    min-width: 0;
}

.bk-ui .bk-metadata {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin: 28px 0;
}

.bk-ui .bk-metadata div {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bk-line);
}

.bk-ui .bk-metadata dt {
    color: var(--bk-muted);
    font-size: 12px;
}

.bk-ui .bk-metadata dd {
    margin: 6px 0 0;
    font-size: 15px;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.bk-ui .bk-synopsis {
    margin-top: 42px;
}

.bk-ui .bk-synopsis-text {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    line-height: 1.9;
    color: var(--bk-muted);
}

.bk-ui .bk-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.bk-ui .bk-enter {
    animation: bkEnter .65s ease-out both;
}

@keyframes bkEnter {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (hover: hover) {
    .bk-ui .bk-book-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 16px 30px rgb(32 34 30 / 9%);
    }
}

@media (max-width: 950px) {
    .bk-ui .bk-book-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bk-ui .bk-filters {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 650px) {

    .bk-ui .bk-form,
    .bk-ui .bk-detail,
    .bk-ui .bk-book-grid {
        grid-template-columns: 1fr;
    }

    .bk-ui .bk-detail-cover {
        width: 100%;
        max-width: 360px;
        margin-inline: auto;
    }

    .bk-ui .bk-login {
        margin-top: 28px;
    }

    .bk-ui .bk-top {
        align-items: flex-start;
    }
}

@media (max-width: 420px) {

    .bk-ui .bk-metadata,
    .bk-ui .bk-filters {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .bk-ui .bk-enter {
        animation: none;
    }

    .bk-ui .bk-button,
    .bk-ui .bk-book-card {
        transition: none;
    }

    .bk-ui .bk-button:hover,
    .bk-ui .bk-book-card:hover {
        transform: none;
    }
}
/* Repeatable author form */

.bk-ui .bk-authors-editor,
.bk-ui .bk-publication-fields {
    background: #fffdf9;
    border-color: #e9d6c2;
}

.bk-ui .bk-authors-heading,
.bk-ui .bk-author-row-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.bk-ui .bk-authors-heading {
    margin-bottom: 20px;
}

.bk-ui .bk-authors-heading p {
    margin: 0;
    font-size: 13px;
}

.bk-ui .bk-author-rows {
    display: grid;
    gap: 18px;
}

.bk-ui .bk-author-row {
    min-width: 0;
    padding: 22px;
    border: 1px solid #eadfd3;
    border-left: 3px solid #ed7415;
    border-radius: 12px;
    background: #fff;
}

.bk-ui .bk-author-row-heading {
    margin-bottom: 18px;
}

.bk-ui .bk-author-row-heading h3 {
    margin: 0;
    color: #a5480b;
    font-size: 16px;
}

.bk-ui .bk-author-inputs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.bk-ui .bk-author-orcid {
    grid-column: 1 / -1;
}

.bk-ui .bk-author-remove {
    min-height: 36px;
    padding: 7px 12px;
    border: 1px solid #efc9bc;
    border-radius: 7px;
    background: #fff4ef;
    color: #9c3b24;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color .2s;
}

.bk-ui .bk-author-remove:hover:not(:disabled) {
    background: #ffe2d7;
}

.bk-ui .bk-author-remove:disabled,
.bk-ui [data-author-add]:disabled {
    opacity: .45;
    cursor: not-allowed;
    transform: none;
}

.bk-ui .bk-author-added {
    animation: bkAuthorEnter .35s ease-out both;
}

@keyframes bkAuthorEnter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Author display: table, catalogue, details */

.bk-ui .bk-author-display {
    display: grid;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 16px 0;
}

.bk-ui .bk-author-display>li {
    min-width: 0;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee6dd;
}

.bk-ui .bk-author-display>li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.bk-ui .bk-author-display>li>strong {
    display: block;
    font-size: 14px;
    line-height: 1.5;
    color: #20221e;
    overflow-wrap: anywhere;
}

.bk-ui .bk-author-display>li>span {
    display: block;
    margin-top: 3px;
    color: #68685f;
    font-size: 0.89rem;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.bk-ui .bk-orcid-link {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    max-width: 100%;
    margin-top: 7px;
    color: #496b16;
    font-size: 13px;
    line-height: 1.6;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.bk-ui .bk-orcid-link:hover {
    text-decoration: underline;
}

.bk-ui .bk-orcid-badge {
    display: inline-grid;
    place-items: center;
    width: 23px;
    height: 23px;
    flex-shrink: 0;
    border-radius: 50%;
    background: #a6ce39;
    color: #203000;
    font-size: 12px;
    font-weight: 800;
}

/* ISBN and copyright */

.bk-ui .bk-identifiers {
    display: grid;
    gap: 10px;
    padding: 14px;
    margin: 16px 0 22px;
    border: 1px solid #efdfcf;
    border-radius: 9px;
    background: #fff8ef;
}

.bk-ui .bk-identifiers>div {
    min-width: 0;
}

.bk-ui .bk-identifiers dt {
    color: #a5480b;
    font-size: 0.89rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.bk-ui .bk-identifiers dd {
    margin: 3px 0 0;
    color: #55564f;
    font-size: 12px;
    line-height: 1.65;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.bk-ui .bk-table .bk-author-display {
    min-width: 190px;
    margin: 0;
}

.bk-ui .bk-table .bk-identifiers {
    margin-bottom: 0;
    padding: 10px;
}

.bk-ui .bk-detail-authors {
    margin-top: 24px;
}

.bk-ui .bk-detail-authors h2 {
    margin-bottom: 14px;
    font-size: 20px;
}

.bk-ui .bk-detail-authors .bk-author-display {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.bk-ui .bk-detail-authors .bk-author-display>li {
    padding: 15px;
    border: 1px solid #eadfd3;
    border-radius: 10px;
    background: #fff;
}

@media (max-width: 650px) {

    .bk-ui .bk-author-inputs,
    .bk-ui .bk-detail-authors .bk-author-display {
        grid-template-columns: 1fr;
    }

    .bk-ui .bk-author-row {
        padding: 16px;
    }

    .bk-ui .bk-authors-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    .bk-ui .bk-author-added {
        animation: none;
    }

    .bk-ui .bk-author-remove {
        transition: none;
    }
}