.pf-prep-page {
    --prep-ink: #0b1830;
    --prep-muted: #5f6b7b;
    --prep-rule: rgba(11, 24, 48, 0.16);
    --prep-paper: #fff;
    color: var(--prep-ink);
}

.pf-prep-page .gh-inner {
    max-width: 1200px;
}

.pf-prep-intro {
    padding-block: clamp(4rem, 7vw, 6rem) 3rem;
    border-bottom: 1px solid var(--prep-rule);
}

.pf-prep-ledger-label,
.pf-prep-file-meta,
.pf-prep-file-action {
    font-family: Raleway, sans-serif;
}

.pf-prep-heading {
    display: block;
}

.pf-prep-ledger {
    padding: 0;
}

.pf-prep-ledger-value {
    display: block;
    font-family: "PT Serif", Georgia, serif;
    font-size: clamp(3.4rem, 5vw, 6rem);
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.pf-prep-ledger-label {
    display: block;
    margin-top: .7rem;
    color: var(--prep-muted);
    font-size: 1.25rem;
    font-weight: 600;
}

.pf-prep-library {
    padding-block: 3rem 7rem;
}

.pf-prep-file {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(180px, .3fr) auto;
    gap: 2rem;
    align-items: center;
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--prep-rule);
}

.pf-prep-file:first-child {
    border-top: 1px solid var(--prep-rule);
}

.pf-prep-file-title {
    margin: 0 0 .55rem;
    font-family: "PT Serif", Georgia, serif;
    font-size: clamp(2.2rem, 3vw, 3.4rem);
    line-height: 1.1;
}

.pf-prep-file-meta {
    color: var(--prep-muted);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.6;
}

.pf-prep-file-meta span {
    display: block;
}

.pf-prep-file-action {
    display: inline-flex;
    align-items: center;
    gap: .8rem;
    padding: 1rem 0;
    border-bottom: 2px solid currentColor;
    color: var(--prep-ink);
    font-size: 1.25rem;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.pf-prep-file-action:hover {
    opacity: .62;
}

.pf-prep-file-action[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: .4;
}

.is-visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

@media (max-width: 767px) {
    .pf-prep-intro {
        padding-top: 4.5rem;
    }

    .pf-prep-file {
        grid-template-columns: 1fr auto;
        gap: 1.25rem;
    }

    .pf-prep-file-copy {
        grid-column: 1 / -1;
    }
}