.page-tool--webhook-payload-tester .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--webhook-payload-tester .tool-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.page-tool--webhook-payload-tester .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--webhook-payload-tester .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--webhook-payload-tester .tool-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-2);
    align-self: flex-start;
}

.page-tool--webhook-payload-tester .tool-tab {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 7px 16px;
    cursor: pointer;
}

.page-tool--webhook-payload-tester .tool-tab:hover {
    color: var(--ink);
}

.page-tool--webhook-payload-tester .tool-tab.is-active {
    border-color: var(--line);
    background: var(--surface);
    color: var(--ink);
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.08));
}

.page-tool--webhook-payload-tester .tool-tab:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.page-tool--webhook-payload-tester .tool-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.page-tool--webhook-payload-tester .tool-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

.page-tool--webhook-payload-tester .tool-panel-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--webhook-payload-tester .tool-grid-2 {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
}

.page-tool--webhook-payload-tester .tool-textarea {
    min-height: 15rem;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    line-height: 1.5;
}

.page-tool--webhook-payload-tester .tool-payload-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--webhook-payload-tester .tool-headers {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.page-tool--webhook-payload-tester .tool-headers__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

.page-tool--webhook-payload-tester .tool-header-rows {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.page-tool--webhook-payload-tester .tool-header-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) auto;
    gap: 6px;
    align-items: center;
}

.page-tool--webhook-payload-tester .tool-header-row__name,
.page-tool--webhook-payload-tester .tool-header-row__value {
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.page-tool--webhook-payload-tester .tool-header-row__remove {
    line-height: 1;
    padding: 6px 10px;
    font-size: 1rem;
}

.page-tool--webhook-payload-tester .tool-empty-headers {
    margin: 0;
    color: var(--faint);
    font-size: 0.8rem;
}

.page-tool--webhook-payload-tester .tool-command-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.page-tool--webhook-payload-tester .tool-command-tab {
    appearance: none;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    color: var(--muted);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 12px;
    cursor: pointer;
}

.page-tool--webhook-payload-tester .tool-command-tab.is-active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.page-tool--webhook-payload-tester .tool-command-tab:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.page-tool--webhook-payload-tester .tool-command {
    margin: 0;
    min-height: 17rem;
    max-height: 30rem;
    overflow: auto;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.55;
    white-space: pre;
    tab-size: 4;
}

.page-tool--webhook-payload-tester .tool-status {
    min-height: 0;
    margin: 0;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
}

.page-tool--webhook-payload-tester .tool-status.status {
    margin: 0;
}

.page-tool--webhook-payload-tester .tool-signature-card__value {
    display: block;
    max-height: 12rem;
    overflow: auto;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    word-break: break-all;
    white-space: pre-wrap;
}

.page-tool--webhook-payload-tester .tool-signature-card__label {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.page-tool--webhook-payload-tester .tool-signature-card__label:not(:first-child) {
    margin-top: 12px;
}

.page-tool--webhook-payload-tester .tool-warning-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.page-tool--webhook-payload-tester .tool-warning {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--line);
    font-size: 0.82rem;
}

.page-tool--webhook-payload-tester .tool-warning:last-child {
    border-bottom: 0;
}

.page-tool--webhook-payload-tester .tool-warning__level {
    flex: 0 0 auto;
    min-width: 4.4em;
    text-align: center;
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    background: var(--surface-3);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
}

.page-tool--webhook-payload-tester .tool-warning--error .tool-warning__level {
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--webhook-payload-tester .tool-warning--warning .tool-warning__level {
    background: var(--warning-soft, var(--accent-soft));
    color: var(--warning, var(--accent));
}

.page-tool--webhook-payload-tester .tool-warning__message {
    min-width: 0;
    color: var(--ink-2);
}

.page-tool--webhook-payload-tester .tool-facts {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px 14px;
    margin: 0;
    font-size: 0.82rem;
}

.page-tool--webhook-payload-tester .tool-facts__label {
    color: var(--muted);
}

.page-tool--webhook-payload-tester .tool-facts__value {
    margin: 0;
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    word-break: break-word;
}

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

.page-tool--webhook-payload-tester .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: 980px) {
    .page-tool--webhook-payload-tester .tool-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--webhook-payload-tester .tool-command {
        min-height: 12rem;
    }
}

@media (max-width: 560px) {
    .page-tool--webhook-payload-tester .tool-grid-2 {
        grid-template-columns: 1fr;
    }

    .page-tool--webhook-payload-tester .tool-header-row {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
    }

    .page-tool--webhook-payload-tester .tool-facts {
        grid-template-columns: 1fr;
        gap: 2px 0;
    }

    .page-tool--webhook-payload-tester .tool-facts__label {
        margin-top: 6px;
    }
}