:root {
    --library-bg: #f6f7f4;
    --library-ink: #1f2933;
    --library-green: #285943;
    --library-red: #7f1d1d;
    --library-line: #d9ded6;
}

html,
body {
    min-height: 100%;
}

body {
    background: var(--library-bg);
    color: var(--library-ink);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

.bg-library {
    background: var(--library-green);
}

.page-heading {
    margin-bottom: 1.5rem;
}

.framed-table,
.form-shell,
.auth-shell,
.review-own,
.review-decision,
.empty-state {
    background: #fff;
    border: 1px solid var(--library-line);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgb(31 41 51 / 6%);
}

.framed-table {
    overflow: hidden;
}

.form-shell,
.review-decision,
.empty-state {
    padding: 1.5rem;
}

.auth-shell {
    max-width: 420px;
    margin: 2.5rem auto;
    padding: 1.5rem;
}

.table {
    --bs-table-bg: #fff;
}

.search-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 0.75rem;
}

.book-layout {
    display: grid;
    grid-template-columns: minmax(180px, 280px) 1fr;
    gap: 2rem;
    align-items: start;
}

.book-cover-wrap {
    background: #fff;
    border: 1px solid var(--library-line);
    border-radius: 8px;
    padding: 0.75rem;
}

.book-cover {
    display: block;
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    border-radius: 6px;
}

.details-list dt {
    color: #5f6b63;
}

.markdown-body {
    line-height: 1.65;
}

.markdown-body > :last-child {
    margin-bottom: 0;
}

.review-own {
    border-left: 4px solid var(--library-green);
    padding: 1rem;
}

.reviews-list {
    display: grid;
    gap: 1rem;
}

.review-item {
    background: #fff;
    border: 1px solid var(--library-line);
    border-radius: 8px;
    padding: 1rem;
}

.review-preview {
    max-width: 42rem;
}

.review-preview p {
    margin-bottom: 0;
}

.btn-primary {
    --bs-btn-bg: var(--library-green);
    --bs-btn-border-color: var(--library-green);
    --bs-btn-hover-bg: #1f4535;
    --bs-btn-hover-border-color: #1f4535;
}

.btn-outline-danger {
    --bs-btn-color: var(--library-red);
    --bs-btn-border-color: var(--library-red);
    --bs-btn-hover-bg: var(--library-red);
    --bs-btn-hover-border-color: var(--library-red);
}

.footer {
    background: #fff;
}

@media (max-width: 768px) {
    .search-row {
        grid-template-columns: 1fr;
    }

    .book-layout {
        grid-template-columns: 1fr;
    }

    .book-cover-wrap {
        max-width: 260px;
    }
}