.page-tool--pagination-calculator .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--pagination-calculator .tool-workspace {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 16px;
    align-items: stretch;
}

.page-tool--pagination-calculator .tool-setup,
.page-tool--pagination-calculator .tool-output {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.page-tool--pagination-calculator .tool-setup__body,
.page-tool--pagination-calculator .tool-output__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1 1 auto;
}

.page-tool--pagination-calculator .tool-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px 16px;
    align-items: start;
}

.page-tool--pagination-calculator .tool-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.78rem;
}

.page-tool--pagination-calculator .tool-hint code {
    padding: 0.05rem 0.35rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-xs);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
}

.page-tool--pagination-calculator .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--pagination-calculator .input--invalid {
    border-color: var(--danger);
}

.page-tool--pagination-calculator .input--invalid:focus {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px var(--danger-soft);
}

.page-tool--pagination-calculator .tool-status {
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--pagination-calculator .tool-status.status {
    padding: 9px 12px;
    border: 0;
    border-left: 3px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.page-tool--pagination-calculator .tool-status.status--error {
    border-left-color: var(--danger);
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--pagination-calculator .tool-status.status--info {
    border-left-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.page-tool--pagination-calculator .tool-status.status--success {
    border-left-color: var(--success);
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--pagination-calculator .tool-facts {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px 16px;
    margin: 0;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    font-size: 0.82rem;
}

.page-tool--pagination-calculator .tool-facts dt {
    color: var(--faint);
}

.page-tool--pagination-calculator .tool-facts dd {
    margin: 0;
    color: var(--ink-2);
    font-family: var(--font-mono);
    overflow-wrap: anywhere;
}

.page-tool--pagination-calculator .tool-code {
    flex: 1 1 auto;
    min-height: 9rem;
    margin: 0;
    user-select: all;
    white-space: pre-wrap;
}

.page-tool--pagination-calculator .tool-code:empty::before {
    content: "\2014";
    color: var(--faint);
}

.page-tool--pagination-calculator .tool-pages__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--pagination-calculator .tool-pager {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.page-tool--pagination-calculator .tool-pager__window {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    min-width: 0;
}

.page-tool--pagination-calculator .tool-pager__nav,
.page-tool--pagination-calculator .tool-pager__page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 38px;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.page-tool--pagination-calculator .tool-pager__nav:hover,
.page-tool--pagination-calculator .tool-pager__page:hover {
    border-color: var(--line-strong);
    background: var(--surface-2);
}

.page-tool--pagination-calculator .tool-pager__nav:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.page-tool--pagination-calculator .tool-pager__page.is-current {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 700;
}

.page-tool--pagination-calculator .tool-pager__gap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    color: var(--faint);
    font-family: var(--font-mono);
}

.page-tool--pagination-calculator .tool-facts:empty {
    display: none;
}

.page-tool--pagination-calculator .tool-about__text {
    max-width: 80ch;
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.page-tool--pagination-calculator .tool-about__text code {
    padding: 0.05rem 0.3rem;
    border-radius: var(--radius-xs);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
}

@media (max-width: 860px) {
    .page-tool--pagination-calculator .tool-workspace {
        grid-template-columns: 1fr;
    }
}