.page-tool--font-size-scale-generator .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--font-size-scale-generator .tool-setup__body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.page-tool--font-size-scale-generator .tool-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 14px 16px;
    align-items: start;
}

.page-tool--font-size-scale-generator .tool-input-group {
    display: flex;
    gap: 8px;
}

.page-tool--font-size-scale-generator .tool-input-group .input {
    flex: 1 1 auto;
    min-width: 0;
}

.page-tool--font-size-scale-generator .tool-input-group .select {
    flex: 0 0 auto;
    width: 5.5rem;
}

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

.page-tool--font-size-scale-generator .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--font-size-scale-generator .tool-ratio {
    gap: 9px;
}

.page-tool--font-size-scale-generator .tool-ratio__row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.page-tool--font-size-scale-generator .tool-range {
    flex: 1 1 auto;
    min-width: 0;
    accent-color: var(--accent);
}

.page-tool--font-size-scale-generator .tool-ratio__number {
    flex: 0 0 auto;
    width: 6.5rem;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

.page-tool--font-size-scale-generator .tool-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.page-tool--font-size-scale-generator .tool-preset {
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    background: var(--surface);
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-variant-numeric: tabular-nums;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.page-tool--font-size-scale-generator .tool-preset:hover {
    border-color: var(--line-strong);
    background: var(--surface-2);
}

.page-tool--font-size-scale-generator .tool-preset:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.page-tool--font-size-scale-generator .tool-preset[aria-pressed="true"] {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.page-tool--font-size-scale-generator .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--font-size-scale-generator .tool-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.page-tool--font-size-scale-generator .tool-preview__body,
.page-tool--font-size-scale-generator .tool-output__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--font-size-scale-generator .tool-status {
    margin: 0;
    padding: 9px 12px;
    border: 0;
    border-left: 3px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--font-size-scale-generator .tool-status.status--error {
    border-left-color: var(--danger);
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--font-size-scale-generator .tool-status.status--success {
    border-left-color: var(--success);
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--font-size-scale-generator .scale-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 34rem;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.page-tool--font-size-scale-generator .scale-list .empty-state {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 2.5rem 1.25rem;
}

.page-tool--font-size-scale-generator .scale-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--line);
}

.page-tool--font-size-scale-generator .scale-row:nth-child(even) {
    background: var(--surface-2);
}

.page-tool--font-size-scale-generator .scale-row:last-child {
    border-bottom: 0;
}

.page-tool--font-size-scale-generator .scale-row__specimen {
    flex: 0 0 auto;
    min-width: 3rem;
    line-height: 1.1;
    color: var(--ink);
    font-weight: 600;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.page-tool--font-size-scale-generator .scale-row__meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
    min-width: 0;
    margin-left: auto;
    text-align: right;
}

.page-tool--font-size-scale-generator .scale-row__head {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: baseline;
    gap: 8px;
}

.page-tool--font-size-scale-generator .scale-row__name {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    overflow-wrap: anywhere;
}

.page-tool--font-size-scale-generator .scale-row__step {
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.68rem;
}

.page-tool--font-size-scale-generator .scale-row__value {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-variant-numeric: tabular-nums;
}

.page-tool--font-size-scale-generator .tool-code {
    min-height: 12rem;
    max-height: 26rem;
    margin: 0;
    user-select: all;
}

.page-tool--font-size-scale-generator .tool-code:empty::before {
    content: "\2014";
    color: var(--faint);
}

.page-tool--font-size-scale-generator .tool-output__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.page-tool--font-size-scale-generator .tool-advanced {
    padding: 0;
}

.page-tool--font-size-scale-generator .tool-advanced__summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    list-style: none;
    cursor: pointer;
}

.page-tool--font-size-scale-generator .tool-advanced__summary::-webkit-details-marker {
    display: none;
}

.page-tool--font-size-scale-generator .tool-advanced__summary::before {
    content: "";
    flex: 0 0 auto;
    width: 0;
    height: 0;
    border-left: 5px solid var(--faint);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    transition: transform 0.15s ease;
}

.page-tool--font-size-scale-generator .tool-advanced[open] .tool-advanced__summary::before {
    transform: rotate(90deg);
}

.page-tool--font-size-scale-generator .tool-advanced__summary:hover {
    background: var(--surface-2);
}

.page-tool--font-size-scale-generator .tool-advanced__hint {
    margin-left: auto;
    color: var(--faint);
    font-size: 0.78rem;
}

.page-tool--font-size-scale-generator .tool-advanced__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    border-top: 1px solid var(--line);
}

.page-tool--font-size-scale-generator .tool-advanced__body .field {
    max-width: 22rem;
}

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

.page-tool--font-size-scale-generator .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--font-size-scale-generator .tool-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--font-size-scale-generator .tool-advanced__hint {
        display: none;
    }
}

@media (max-width: 520px) {
    .page-tool--font-size-scale-generator .tool-ratio__row {
        flex-wrap: wrap;
    }

    .page-tool--font-size-scale-generator .tool-ratio__number {
        width: 100%;
    }

    .page-tool--font-size-scale-generator .scale-row {
        flex-wrap: wrap;
        row-gap: 4px;
    }

    .page-tool--font-size-scale-generator .scale-row__meta {
        width: 100%;
        align-items: flex-start;
        text-align: left;
        margin-left: 0;
    }

    .page-tool--font-size-scale-generator .scale-row__head {
        justify-content: flex-start;
    }
}