.page-tool--responsive-image-generator .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--responsive-image-generator .panel__body {
    min-width: 0;
}

.page-tool--responsive-image-generator [hidden] {
    display: none !important;
}

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

.page-tool--responsive-image-generator .tool-hint--code 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);
}

/* Upload ------------------------------------------------------------------ */

.page-tool--responsive-image-generator .rimg-upload__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--responsive-image-generator .rimg-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 26px 20px;
    border: 1.5px dashed var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface-2);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.page-tool--responsive-image-generator .rimg-dropzone:hover,
.page-tool--responsive-image-generator .rimg-dropzone--active {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.page-tool--responsive-image-generator .rimg-dropzone__title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--ink);
}

.page-tool--responsive-image-generator .rimg-dropzone__hint {
    color: var(--muted);
    font-size: 0.85rem;
}

.page-tool--responsive-image-generator .rimg-dropzone__link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
}

.page-tool--responsive-image-generator .rimg-dropzone__formats {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--faint);
}

.page-tool--responsive-image-generator .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Status ------------------------------------------------------------------ */

.page-tool--responsive-image-generator .rimg-status {
    margin: 0;
    padding: 11px 14px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.page-tool--responsive-image-generator .rimg-status.status--error {
    border-color: var(--danger);
    border-left-color: var(--danger);
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--responsive-image-generator .rimg-status.status--success {
    border-color: var(--success);
    border-left-color: var(--success);
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--responsive-image-generator .rimg-status.status--warning {
    border-left-color: var(--warning);
    background: var(--warning-soft);
    color: var(--warning);
}

/* Workspace --------------------------------------------------------------- */

.page-tool--responsive-image-generator .rimg-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(320px, 1fr);
    gap: 16px;
    align-items: start;
}

.page-tool--responsive-image-generator .rimg-preview,
.page-tool--responsive-image-generator .rimg-controls {
    min-width: 0;
}

.page-tool--responsive-image-generator .rimg-preview__body {
    display: flex;
    flex-direction: column;
}

.page-tool--responsive-image-generator .rimg-preview__stage {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 22rem;
    padding: 20px;
    overflow: hidden;
    background-color: var(--surface-2);
    background-image:
        linear-gradient(45deg, rgba(127, 127, 127, 0.12) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(127, 127, 127, 0.12) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(127, 127, 127, 0.12) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(127, 127, 127, 0.12) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.page-tool--responsive-image-generator .rimg-preview__canvas {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 58vh;
    border-radius: var(--radius-xs);
    box-shadow: var(--shadow-md);
}

.page-tool--responsive-image-generator .rimg-preview__empty {
    width: 100%;
    border: 0;
    background: transparent;
}

.page-tool--responsive-image-generator .rimg-sim {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    padding: 14px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface-2);
}

.page-tool--responsive-image-generator .rimg-sim__viewport {
    flex: 1 1 15rem;
    min-width: 0;
}

.page-tool--responsive-image-generator .rimg-sim__dpr {
    flex: 0 0 auto;
}

.page-tool--responsive-image-generator .rimg-sim__value {
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.page-tool--responsive-image-generator .rimg-preview__meta {
    margin: 0;
    padding: 11px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

/* Controls ---------------------------------------------------------------- */

.page-tool--responsive-image-generator .rimg-controls__body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--responsive-image-generator .rimg-fieldset {
    margin: 0;
    padding: 0;
    border: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--responsive-image-generator .rimg-legend,
.page-tool--responsive-image-generator .label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--responsive-image-generator .rimg-legend {
    padding: 0;
    margin-bottom: 7px;
}

.page-tool--responsive-image-generator .rimg-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--responsive-image-generator .rimg-preset {
    padding: 0.4rem 0.7rem;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-pill);
    background: var(--surface);
    color: var(--ink-2);
    font-size: 0.8rem;
    font-weight: 550;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.page-tool--responsive-image-generator .rimg-preset:hover {
    border-color: var(--accent-line);
    background: var(--surface-2);
}

.page-tool--responsive-image-generator .rimg-preset--active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.page-tool--responsive-image-generator .rimg-preset:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.page-tool--responsive-image-generator .rimg-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.page-tool--responsive-image-generator .rimg-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: var(--ink-2);
    cursor: pointer;
}

.page-tool--responsive-image-generator .rimg-check input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.page-tool--responsive-image-generator .rimg-range {
    width: 100%;
    accent-color: var(--accent);
}

.page-tool--responsive-image-generator .rimg-segmented {
    display: flex;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--surface);
}

.page-tool--responsive-image-generator .rimg-segment {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
}

.page-tool--responsive-image-generator .rimg-segment + .rimg-segment {
    border-left: 1px solid var(--line-2);
}

.page-tool--responsive-image-generator .rimg-segment input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.page-tool--responsive-image-generator .rimg-segment span {
    display: block;
    padding: 0.5rem 0.7rem;
    text-align: center;
    font-size: 0.84rem;
    font-weight: 550;
    color: var(--muted);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.page-tool--responsive-image-generator .rimg-segment span:hover {
    background: var(--surface-2);
}

.page-tool--responsive-image-generator .rimg-segment input:checked + span {
    background: var(--accent);
    color: var(--accent-fg);
}

.page-tool--responsive-image-generator .rimg-segment input:focus-visible + span {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

/* Output ------------------------------------------------------------------ */

.page-tool--responsive-image-generator .rimg-output__body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--responsive-image-generator .rimg-code {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--surface-2);
}

.page-tool--responsive-image-generator .rimg-code__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 10px 8px 14px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-3);
}

.page-tool--responsive-image-generator .rimg-code__label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--responsive-image-generator .rimg-code__pre {
    margin: 0;
    padding: 12px 14px;
    overflow-x: auto;
    background: var(--surface);
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.65;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.page-tool--responsive-image-generator .rimg-code__pre--tag {
    white-space: pre;
    overflow-x: auto;
}

.page-tool--responsive-image-generator .rimg-variants {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--surface-2);
}

.page-tool--responsive-image-generator .rimg-variants__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 10px 8px 14px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-3);
}

.page-tool--responsive-image-generator .rimg-variant-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.page-tool--responsive-image-generator .rimg-variant {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 14px;
    padding: 9px 14px;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    font-size: 0.82rem;
}

.page-tool--responsive-image-generator .rimg-variant:nth-child(even) {
    background: var(--surface-2);
}

.page-tool--responsive-image-generator .rimg-variant:last-child {
    border-bottom: 0;
}

.page-tool--responsive-image-generator .rimg-variant__width {
    flex: 0 0 4.5rem;
    color: var(--accent);
    font-family: var(--font-mono);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.page-tool--responsive-image-generator .rimg-variant__dims {
    flex: 0 0 8rem;
    color: var(--muted);
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

.page-tool--responsive-image-generator .rimg-variant__file {
    flex: 1 1 10rem;
    min-width: 0;
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-tool--responsive-image-generator .rimg-variant__download {
    margin-left: auto;
}

.page-tool--responsive-image-generator .rimg-variant__flag {
    padding: 0.05rem 0.45rem;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-pill);
    color: var(--faint);
    font-size: 0.68rem;
}

.page-tool--responsive-image-generator .rimg-empty {
    margin: 0;
    padding: 16px 14px;
    color: var(--muted);
    font-size: 0.82rem;
}

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

.page-tool--responsive-image-generator .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);
}

.page-tool--responsive-image-generator .tool-header__summary 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: 900px) {
    .page-tool--responsive-image-generator .rimg-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--responsive-image-generator .rimg-preview__stage {
        min-height: 16rem;
    }
}

@media (max-width: 520px) {
    .page-tool--responsive-image-generator .rimg-grid-2 {
        grid-template-columns: 1fr;
    }

    .page-tool--responsive-image-generator .rimg-variant__width,
    .page-tool--responsive-image-generator .rimg-variant__dims {
        flex: 0 0 auto;
    }

    .page-tool--responsive-image-generator .rimg-variant__file {
        flex: 1 1 100%;
        white-space: normal;
        overflow: visible;
    }

    .page-tool--responsive-image-generator .rimg-variant__download {
        margin-left: 0;
    }
}