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

.page-tool--svg-sprite-builder .tool-header__summary code,
.page-tool--svg-sprite-builder .sprite-hint code,
.page-tool--svg-sprite-builder .sprite-about__text 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);
    font-size: 0.85em;
}

.page-tool--svg-sprite-builder .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Add icons */

.page-tool--svg-sprite-builder .sprite-dropzone {
    border: 1px dashed var(--line-2);
    border-radius: var(--radius);
    background: var(--surface-2);
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.page-tool--svg-sprite-builder .sprite-dropzone.is-dragover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.page-tool--svg-sprite-builder .sprite-dropzone__label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 22px 18px;
    text-align: center;
    cursor: pointer;
}

.page-tool--svg-sprite-builder .sprite-dropzone__label:focus-within {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius);
}

.page-tool--svg-sprite-builder .sprite-dropzone__title {
    font-weight: 600;
    color: var(--ink);
}

.page-tool--svg-sprite-builder .sprite-dropzone__detail {
    color: var(--muted);
    font-size: 0.85rem;
}

.page-tool--svg-sprite-builder .sprite-dropzone__browse {
    color: var(--accent);
    text-decoration: underline;
}

.page-tool--svg-sprite-builder .sprite-source .tool-actions {
    margin-top: 12px;
}

.page-tool--svg-sprite-builder .sprite-paste {
    margin-top: 12px;
}

.page-tool--svg-sprite-builder .sprite-paste__summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 0.85rem;
}

.page-tool--svg-sprite-builder .sprite-paste__body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

.page-tool--svg-sprite-builder .sprite-paste__textarea {
    min-height: 6.5rem;
}

.page-tool--svg-sprite-builder .sprite-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

.page-tool--svg-sprite-builder .sprite-status {
    display: none;
    margin: 12px 0 0;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    color: var(--muted);
    font-size: 0.82rem;
}

.page-tool--svg-sprite-builder .sprite-status.is-visible {
    display: block;
}

.page-tool--svg-sprite-builder .sprite-status.status--error {
    border-color: var(--danger);
    border-left-color: var(--danger);
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--svg-sprite-builder .sprite-status.status--success {
    border-color: var(--success);
    border-left-color: var(--success);
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--svg-sprite-builder .sprite-status.status--warning {
    border-left-color: var(--warning);
    background: var(--warning-soft);
    color: var(--warning);
}

.page-tool--svg-sprite-builder .sprite-icon-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
}

.page-tool--svg-sprite-builder .sprite-icon-list:empty {
    display: none;
}

.page-tool--svg-sprite-builder .sprite-icon {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.page-tool--svg-sprite-builder .sprite-icon__thumb {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: var(--radius-xs);
    background: var(--surface);
    color: var(--muted);
}

.page-tool--svg-sprite-builder .sprite-icon__thumb img {
    width: 20px;
    height: 20px;
    display: block;
}

.page-tool--svg-sprite-builder .sprite-icon__meta {
    flex: 1 1 auto;
    min-width: 0;
}

.page-tool--svg-sprite-builder .sprite-icon__id {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--ink);
    overflow-wrap: anywhere;
}

.page-tool--svg-sprite-builder .sprite-icon__detail {
    display: block;
    color: var(--faint);
    font-size: 0.74rem;
}

.page-tool--svg-sprite-builder .sprite-icon__warn {
    display: block;
    color: var(--warning);
    font-size: 0.74rem;
}

.page-tool--svg-sprite-builder .sprite-icon__remove {
    flex: 0 0 auto;
}

/* Preview + code workspace */

.page-tool--svg-sprite-builder .tool-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 16px;
    align-items: stretch;
}

.page-tool--svg-sprite-builder .sprite-pane {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.page-tool--svg-sprite-builder .sprite-pane__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1 1 auto;
    min-height: 0;
}

.page-tool--svg-sprite-builder .sprite-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
    gap: 10px;
    align-content: start;
    min-height: 8rem;
}

.page-tool--svg-sprite-builder .sprite-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 6px 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    color: var(--ink);
}

.page-tool--svg-sprite-builder .sprite-tile img {
    width: 34px;
    height: 34px;
    display: block;
}

.page-tool--svg-sprite-builder .sprite-tile__name {
    width: 100%;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-tool--svg-sprite-builder .sprite-preview__empty {
    grid-column: 1 / -1;
}

.page-tool--svg-sprite-builder .sprite-options {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
}

.page-tool--svg-sprite-builder .sprite-options .field {
    flex: 1 1 12rem;
}

.page-tool--svg-sprite-builder .sprite-options__toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    padding-bottom: 0.7rem;
}

.page-tool--svg-sprite-builder .sprite-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--muted);
    font-size: 0.82rem;
    cursor: pointer;
}

.page-tool--svg-sprite-builder .sprite-output {
    flex: 1 1 auto;
    min-height: 18rem;
    resize: vertical;
    white-space: pre;
}

.page-tool--svg-sprite-builder .sprite-about__text {
    max-width: 80ch;
    margin: 0 0 10px;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.page-tool--svg-sprite-builder .sprite-about__text:last-child {
    margin-bottom: 0;
}

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

    .page-tool--svg-sprite-builder .sprite-output {
        min-height: 14rem;
    }
}