.page-tool--http-request-builder .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--http-request-builder [hidden] {
    display: none !important;
}

.page-tool--http-request-builder .hrb-request__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--http-request-builder .hrb-line {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 12px;
    align-items: end;
}

.page-tool--http-request-builder .hrb-url {
    font-family: var(--font-mono);
    font-size: 0.88rem;
}

.page-tool--http-request-builder .hrb-resolved {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
    margin: 0;
    min-height: 1.2em;
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--http-request-builder .hrb-resolved__label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--http-request-builder .hrb-resolved code {
    font-family: var(--font-mono);
    color: var(--ink-2);
    overflow-wrap: anywhere;
}

.page-tool--http-request-builder .hrb-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.page-tool--http-request-builder .hrb-presets__label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--http-request-builder .hrb-presets__list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.page-tool--http-request-builder .hrb-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--http-request-builder .hrb-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 16px;
    align-items: start;
}

.page-tool--http-request-builder .hrb-builder,
.page-tool--http-request-builder .hrb-output-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

.page-tool--http-request-builder .hrb-group__body,
.page-tool--http-request-builder .hrb-output-panel__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--http-request-builder .hrb-body-type {
    max-width: 260px;
}

.page-tool--http-request-builder .hrb-rows {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.page-tool--http-request-builder .hrb-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 1.2fr) auto;
    gap: 8px;
    align-items: center;
}

.page-tool--http-request-builder .hrb-row__toggle {
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: var(--accent);
}

.page-tool--http-request-builder .hrb-row .input {
    min-height: 38px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.page-tool--http-request-builder .hrb-row__remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-xs);
    background: var(--surface);
    color: var(--faint);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.page-tool--http-request-builder .hrb-row__remove:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: var(--danger-soft);
}

.page-tool--http-request-builder .hrb-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.78rem;
}

.page-tool--http-request-builder .hrb-hint code,
.page-tool--http-request-builder .hrb-tips__text code,
.page-tool--http-request-builder .hrb-about__text code {
    padding: 0.05rem 0.3rem;
    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--http-request-builder .hrb-body-textarea {
    min-height: 11rem;
}

.page-tool--http-request-builder .hrb-format {
    display: flex;
    align-items: center;
}

.page-tool--http-request-builder .hrb-format__select {
    min-height: 32px;
    padding: 0 8px;
    font-size: 0.78rem;
}

.page-tool--http-request-builder .hrb-status {
    margin: 0;
}

.page-tool--http-request-builder .hrb-output {
    min-height: 18rem;
    max-height: 34rem;
}

.page-tool--http-request-builder .hrb-output.is-placeholder {
    color: var(--faint);
    font-style: italic;
}

.page-tool--http-request-builder .hrb-messages {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.page-tool--http-request-builder .hrb-messages:empty {
    display: none;
}

.page-tool--http-request-builder .hrb-message {
    padding: 6px 10px;
    border-left: 3px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    font-size: 0.8rem;
}

.page-tool--http-request-builder .hrb-message--error {
    border-left-color: var(--danger);
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--http-request-builder .hrb-message--warning {
    border-left-color: var(--warning);
    background: var(--warning-soft);
    color: var(--warning);
}

.page-tool--http-request-builder .hrb-tips__text,
.page-tool--http-request-builder .hrb-about__text {
    max-width: 80ch;
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .page-tool--http-request-builder .hrb-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--http-request-builder .hrb-output {
        max-height: 26rem;
    }
}

@media (max-width: 620px) {
    .page-tool--http-request-builder .hrb-line {
        grid-template-columns: 1fr;
    }

    .page-tool--http-request-builder .hrb-row {
        grid-template-columns: auto minmax(0, 1fr) auto;
    }

    .page-tool--http-request-builder .hrb-row__value {
        grid-column: 2 / -1;
    }
}