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

.page-tool--breakpoint-tester .bp-source__body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.page-tool--breakpoint-tester .bp-textarea {
    display: block;
    width: 100%;
    min-height: 15rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.5;
}

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

.page-tool--breakpoint-tester .bp-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.page-tool--breakpoint-tester .bp-controls__row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
}

.page-tool--breakpoint-tester .bp-field--grow {
    flex: 1 1 18rem;
    min-width: 12rem;
}

.page-tool--breakpoint-tester .bp-input-mono {
    font-family: var(--font-mono);
}

.page-tool--breakpoint-tester .bp-zoom {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-tool--breakpoint-tester .bp-range {
    width: 10rem;
    accent-color: var(--accent);
}

.page-tool--breakpoint-tester .bp-zoom__readout {
    min-width: 3.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted);
    text-align: right;
}

.page-tool--breakpoint-tester .bp-widths-status {
    min-height: 0;
    padding: 0;
    border: 0;
    background: transparent;
    font-size: 0.78rem;
}

.page-tool--breakpoint-tester .bp-widths-status.status--error {
    color: var(--danger);
}

.page-tool--breakpoint-tester .bp-preview .panel__body {
    padding: 0;
}

.page-tool--breakpoint-tester .bp-preview .tool-status {
    margin: 0;
    padding: 11px 16px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.page-tool--breakpoint-tester .bp-preview .tool-status.status--error {
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--breakpoint-tester .bp-preview .tool-status.status--success {
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--breakpoint-tester .bp-stage {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    min-height: 8rem;
    padding: 16px;
    overflow-x: auto;
    background: var(--surface-2);
    outline-offset: -2px;
}

.page-tool--breakpoint-tester .bp-stage .empty-state {
    width: 100%;
    border: 0;
    background: transparent;
}

.page-tool--breakpoint-tester .bp-frame {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.page-tool--breakpoint-tester .bp-frame__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 7px 10px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-3);
}

.page-tool--breakpoint-tester .bp-frame__label {
    display: flex;
    align-items: baseline;
    gap: 8px;
    min-width: 0;
}

.page-tool--breakpoint-tester .bp-frame__width {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ink);
}

.page-tool--breakpoint-tester .bp-frame__device {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--faint);
}

.page-tool--breakpoint-tester .bp-frame__status {
    flex: 0 0 auto;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 1px 6px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    white-space: nowrap;
}

.page-tool--breakpoint-tester .bp-frame__status--ok {
    border-color: color-mix(in srgb, var(--success) 40%, transparent);
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--breakpoint-tester .bp-frame__status--overflow {
    border-color: color-mix(in srgb, var(--danger) 40%, transparent);
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--breakpoint-tester .bp-frame__viewport {
    position: relative;
    overflow: hidden;
    background: #fff;
}

.page-tool--breakpoint-tester .bp-frame__stage {
    transform-origin: top left;
}

.page-tool--breakpoint-tester .bp-frame__iframe {
    display: block;
    border: 0;
    background: #fff;
}

.page-tool--breakpoint-tester .bp-findings__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--breakpoint-tester .bp-report {
    max-height: 14rem;
    margin: 0;
    overflow: auto;
    white-space: pre;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

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

.page-tool--breakpoint-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: 720px) {
    .page-tool--breakpoint-tester .bp-controls__row {
        align-items: stretch;
    }

    .page-tool--breakpoint-tester .bp-zoom {
        width: 100%;
    }

    .page-tool--breakpoint-tester .bp-range {
        flex: 1 1 auto;
        width: auto;
    }
}