.page-tool--html-entity-encoder-decoder .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--html-entity-encoder-decoder .entity-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 18px 28px;
}

.page-tool--html-entity-encoder-decoder .entity-modes {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.page-tool--html-entity-encoder-decoder .entity-modes__buttons {
    display: inline-flex;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-sm);
    background: var(--surface);
    overflow: hidden;
}

.page-tool--html-entity-encoder-decoder .entity-mode {
    position: relative;
    display: block;
}

.page-tool--html-entity-encoder-decoder .entity-mode input {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

.page-tool--html-entity-encoder-decoder .entity-mode span {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--muted);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.page-tool--html-entity-encoder-decoder .entity-mode + .entity-mode span {
    border-left: 1px solid var(--line-2);
}

.page-tool--html-entity-encoder-decoder .entity-mode input:checked + span {
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
}

.page-tool--html-entity-encoder-decoder .entity-mode input:focus-visible + span {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.page-tool--html-entity-encoder-decoder .entity-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.page-tool--html-entity-encoder-decoder .entity-field {
    max-width: 14rem;
}

.page-tool--html-entity-encoder-decoder .entity-check {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--ink-2);
}

.page-tool--html-entity-encoder-decoder .entity-check input {
    margin-top: 0.15rem;
}

.page-tool--html-entity-encoder-decoder .entity-note {
    max-width: 52ch;
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.page-tool--html-entity-encoder-decoder .entity-note code,
.page-tool--html-entity-encoder-decoder .entity-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);
}

.page-tool--html-entity-encoder-decoder .tool-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
    align-items: stretch;
}

.page-tool--html-entity-encoder-decoder .entity-pane {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.page-tool--html-entity-encoder-decoder .entity-pane__body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}

.page-tool--html-entity-encoder-decoder .entity-textarea {
    display: block;
    flex: 1 1 auto;
    min-height: 18rem;
    padding: 14px 16px;
    border: 0;
    border-radius: 0;
    background: var(--surface);
}

.page-tool--html-entity-encoder-decoder .entity-textarea:focus {
    box-shadow: none;
}

.page-tool--html-entity-encoder-decoder .entity-textarea--output {
    background: var(--surface-2);
}

.page-tool--html-entity-encoder-decoder .entity-hint {
    margin: 0;
    padding: 11px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface-2);
    color: var(--muted);
    font-size: 0.8rem;
}

.page-tool--html-entity-encoder-decoder .entity-status {
    min-height: 0;
    margin: 0;
    padding: 11px 16px;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--html-entity-encoder-decoder .entity-status.status {
    margin: 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
}

.page-tool--html-entity-encoder-decoder .entity-status.status--error {
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--html-entity-encoder-decoder .entity-status.status--success {
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--html-entity-encoder-decoder .entity-notes {
    display: flex;
    flex-direction: column;
    gap: 5px;
    max-height: 9rem;
    overflow: auto;
    padding: 10px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-3);
}

.page-tool--html-entity-encoder-decoder .entity-note-item {
    margin: 0;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    overflow-wrap: anywhere;
}

.page-tool--html-entity-encoder-decoder .entity-note-item--error {
    color: var(--danger);
}

.page-tool--html-entity-encoder-decoder .entity-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

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

@media (max-width: 860px) {
    .page-tool--html-entity-encoder-decoder .tool-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--html-entity-encoder-decoder .entity-textarea {
        min-height: 12rem;
    }
}