.page-tool--touch-target-checker .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--touch-target-checker .tool-workspace {
    display: grid;
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.page-tool--touch-target-checker .tt-controls__body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.page-tool--touch-target-checker .tt-field {
    gap: 8px;
}

.page-tool--touch-target-checker .tt-range {
    width: 100%;
    margin: 2px 0 0;
    accent-color: var(--accent);
    cursor: pointer;
}

.page-tool--touch-target-checker .tt-number-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-tool--touch-target-checker .tt-number {
    flex: 0 1 7rem;
    width: 7rem;
    min-height: 40px;
    font-family: var(--font-mono);
}

.page-tool--touch-target-checker .tt-unit {
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.page-tool--touch-target-checker .tt-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.45;
}

.page-tool--touch-target-checker .tt-presets {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
}

.page-tool--touch-target-checker .tt-presets__row,
.page-tool--touch-target-checker .tt-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.page-tool--touch-target-checker .tt-actions {
    padding-top: 16px;
    border-top: 1px solid var(--line);
}

.page-tool--touch-target-checker .tt-result__body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--touch-target-checker .tt-verdict {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px;
    border: 1px solid var(--line);
    border-left: 4px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface-2);
}

.page-tool--touch-target-checker .tt-verdict__label {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.page-tool--touch-target-checker .tt-verdict__detail {
    color: var(--muted);
    font-size: 0.88rem;
}

.page-tool--touch-target-checker .tt-verdict[data-state="pass"] {
    border-color: var(--success);
    border-left-color: var(--success);
    background: var(--success-soft);
}

.page-tool--touch-target-checker .tt-verdict[data-state="pass"] .tt-verdict__label {
    color: var(--success);
}

.page-tool--touch-target-checker .tt-verdict[data-state="pass-spacing"] {
    border-color: var(--warning);
    border-left-color: var(--warning);
    background: var(--warning-soft);
}

.page-tool--touch-target-checker .tt-verdict[data-state="pass-spacing"] .tt-verdict__label {
    color: var(--warning);
}

.page-tool--touch-target-checker .tt-verdict[data-state="fail"],
.page-tool--touch-target-checker .tt-verdict[data-state="invalid"] {
    border-color: var(--danger);
    border-left-color: var(--danger);
    background: var(--danger-soft);
}

.page-tool--touch-target-checker .tt-verdict[data-state="fail"] .tt-verdict__label,
.page-tool--touch-target-checker .tt-verdict[data-state="invalid"] .tt-verdict__label {
    color: var(--danger);
}

.page-tool--touch-target-checker .tt-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 48px 40px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background-color: var(--surface-2);
    background-image:
        linear-gradient(to right, var(--canvas-grid) 1px, transparent 1px),
        linear-gradient(to bottom, var(--canvas-grid) 1px, transparent 1px);
    background-size: 20px 20px;
}

.page-tool--touch-target-checker .tt-scene {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

.page-tool--touch-target-checker .tt-item {
    position: relative;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-tool--touch-target-checker .tt-guide {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    border: 1.5px dashed var(--accent);
    border-radius: 4px;
    pointer-events: none;
}

.page-tool--touch-target-checker .tt-guide__tag {
    position: absolute;
    top: -1.45em;
    left: 0;
    padding: 0 4px;
    border-radius: var(--radius-xs);
    background: var(--surface);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    line-height: 1.5;
    white-space: nowrap;
}

.page-tool--touch-target-checker .tt-box {
    position: relative;
    z-index: 1;
    border: 1px solid var(--accent-line);
    border-radius: 4px;
    background: var(--accent-soft);
}

.page-tool--touch-target-checker .tt-box--pass {
    border-color: var(--success);
    background: var(--success-soft);
}

.page-tool--touch-target-checker .tt-box--pass-spacing {
    border-color: var(--warning);
    background: var(--warning-soft);
}

.page-tool--touch-target-checker .tt-box--fail {
    border-color: var(--danger);
    background: var(--danger-soft);
}

.page-tool--touch-target-checker .tt-caption {
    margin: 0;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    text-align: center;
}

.page-tool--touch-target-checker .tt-guideline-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.page-tool--touch-target-checker .tt-guideline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 16px;
    padding: 11px 14px;
    border-bottom: 1px solid var(--line);
    font-size: 0.86rem;
}

.page-tool--touch-target-checker .tt-guideline:last-child {
    border-bottom: 0;
}

.page-tool--touch-target-checker .tt-guideline:nth-child(even) {
    background: var(--surface-2);
}

.page-tool--touch-target-checker .tt-guideline__name {
    font-weight: 550;
}

.page-tool--touch-target-checker .tt-guideline__threshold {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.page-tool--touch-target-checker .tt-guideline__status {
    min-width: 11rem;
    text-align: right;
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.page-tool--touch-target-checker .tt-guideline--pass .tt-guideline__status {
    color: var(--success);
}

.page-tool--touch-target-checker .tt-guideline--pass-spacing .tt-guideline__status {
    color: var(--warning);
}

.page-tool--touch-target-checker .tt-guideline--fail .tt-guideline__status {
    color: var(--danger);
}

.page-tool--touch-target-checker .tt-guideline--primary {
    box-shadow: inset 3px 0 0 var(--accent);
}

.page-tool--touch-target-checker .tt-guideline--empty {
    display: block;
    color: var(--muted);
}

.page-tool--touch-target-checker .tool-status {
    margin: 12px 0 0;
    min-height: 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--touch-target-checker .tool-status.status {
    border-width: 1px;
}

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

.page-tool--touch-target-checker .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--touch-target-checker .tool-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--touch-target-checker .tt-number {
        flex-basis: 6rem;
        width: 6rem;
    }
}

@media (max-width: 640px) {
    .page-tool--touch-target-checker .tt-stage {
        min-height: 240px;
        padding: 32px 24px;
    }

    .page-tool--touch-target-checker .tt-guideline {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 6px 12px;
    }

    .page-tool--touch-target-checker .tt-guideline__threshold {
        text-align: right;
    }

    .page-tool--touch-target-checker .tt-guideline__status {
        grid-column: 1 / -1;
        min-width: 0;
        text-align: left;
    }
}