.page-tool--yaml-validator .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--yaml-validator .tool-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
    align-items: stretch;
}

.page-tool--yaml-validator .tool-pane {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.page-tool--yaml-validator .tool-input__body,
.page-tool--yaml-validator .tool-result__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1 1 auto;
    min-height: 0;
}

.page-tool--yaml-validator .tool-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
}

.page-tool--yaml-validator .tool-toolbar .field {
    margin: 0;
}

.page-tool--yaml-validator .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--yaml-validator .tool-textarea {
    min-height: 23rem;
}

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

.page-tool--yaml-validator .tool-hint kbd {
    padding: 0.05rem 0.35rem;
    border: 1px solid var(--line);
    border-bottom-width: 2px;
    border-radius: var(--radius-xs);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.page-tool--yaml-validator .yaml-verdict {
    margin: 0;
    padding: 12px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
}

.page-tool--yaml-validator .yaml-verdict--idle {
    background: var(--surface-2);
    color: var(--muted);
}

.page-tool--yaml-validator .yaml-verdict--valid {
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--yaml-validator .yaml-verdict--invalid {
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--yaml-validator .yaml-verdict--valid::before {
    content: '\2713\00a0\00a0';
}

.page-tool--yaml-validator .yaml-verdict--invalid::before {
    content: '\2715\00a0\00a0';
}

.page-tool--yaml-validator .yaml-stats {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.page-tool--yaml-validator .yaml-stats__row {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.page-tool--yaml-validator .yaml-stats dt {
    flex: 0 0 10.5rem;
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-tool--yaml-validator .yaml-stats dd {
    margin: 0;
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.page-tool--yaml-validator .yaml-error {
    display: flex;
    flex-direction: column;
    gap: 9px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--danger-soft);
}

.page-tool--yaml-validator .yaml-error__location {
    margin: 0;
    color: var(--danger);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-tool--yaml-validator .yaml-error__message {
    margin: 0;
    color: var(--ink);
    font-size: 0.92rem;
    font-weight: 600;
}

.page-tool--yaml-validator .yaml-error__hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.page-tool--yaml-validator .yaml-frame {
    margin: 0;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.55;
    overflow-x: auto;
    white-space: pre;
}

.page-tool--yaml-validator .yaml-warnings {
    padding: 12px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--warning-soft);
}

.page-tool--yaml-validator .yaml-warnings__title {
    margin: 0 0 6px;
    color: var(--warning);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-tool--yaml-validator .yaml-warnings__list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.6;
}

.page-tool--yaml-validator .tool-output__body {
    display: flex;
    flex-direction: column;
}

.page-tool--yaml-validator .tool-output__area {
    display: block;
    width: 100%;
    min-height: 18rem;
    padding: 14px 16px;
    border: 0;
    border-radius: 0;
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.6;
    resize: vertical;
}

.page-tool--yaml-validator .tool-output__area:focus {
    box-shadow: none;
}

.page-tool--yaml-validator .tool-output__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 11px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface-2);
}

.page-tool--yaml-validator .yaml-format {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-tool--yaml-validator .yaml-format .select {
    margin: 0;
}

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

.page-tool--yaml-validator .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--yaml-validator .tool-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--yaml-validator .tool-textarea {
        min-height: 16rem;
    }
}

@media (max-width: 640px) {
    .page-tool--yaml-validator .yaml-stats__row {
        flex-direction: column;
        gap: 2px;
    }

    .page-tool--yaml-validator .yaml-stats dt {
        flex: 0 0 auto;
    }

    .page-tool--yaml-validator .tool-output__foot {
        flex-direction: column;
        align-items: stretch;
    }
}