.page-tool--seo-head-analyzer .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--seo-head-analyzer .tool-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 16px;
    align-items: stretch;
}

.page-tool--seo-head-analyzer .tool-pane {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.page-tool--seo-head-analyzer .tool-pane__body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}

.page-tool--seo-head-analyzer .sha-textarea {
    display: block;
    flex: 1 1 auto;
    min-height: 30rem;
    padding: 14px 16px;
    border: 0;
    border-radius: 0;
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.6;
    resize: vertical;
}

.page-tool--seo-head-analyzer .sha-textarea:focus {
    box-shadow: none;
}

.page-tool--seo-head-analyzer .sha-input-foot {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 11px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface-2);
}

.page-tool--seo-head-analyzer .sha-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

.page-tool--seo-head-analyzer .sha-hint code,
.page-tool--seo-head-analyzer .sha-about 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--seo-head-analyzer .sha-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--seo-head-analyzer .sha-head-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--seo-head-analyzer .sha-verdict {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    border-left: 4px solid var(--line-strong);
    background: var(--surface-2);
}

.page-tool--seo-head-analyzer .sha-banner {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.35;
}

.page-tool--seo-head-analyzer .sha-banner--idle {
    color: var(--muted);
}

.page-tool--seo-head-analyzer .sha-banner__detail {
    margin: 5px 0 0;
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

.page-tool--seo-head-analyzer .sha-verdict--success {
    border-left-color: var(--success);
    background: var(--success-soft);
}

.page-tool--seo-head-analyzer .sha-verdict--warning {
    border-left-color: var(--warning);
    background: var(--warning-soft);
}

.page-tool--seo-head-analyzer .sha-verdict--error {
    border-left-color: var(--danger);
    background: var(--danger-soft);
}

.page-tool--seo-head-analyzer .sha-verdict--info {
    border-left-color: var(--accent);
    background: var(--accent-soft);
}

.page-tool--seo-head-analyzer .sha-banner--success {
    color: var(--success);
}

.page-tool--seo-head-analyzer .sha-banner--warning {
    color: var(--warning);
}

.page-tool--seo-head-analyzer .sha-banner--error {
    color: var(--danger);
}

.page-tool--seo-head-analyzer .sha-banner--info {
    color: var(--accent);
}

.page-tool--seo-head-analyzer .sha-findings {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px 16px 4px;
}

.page-tool--seo-head-analyzer .sha-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink);
}

.page-tool--seo-head-analyzer .sha-findings-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.page-tool--seo-head-analyzer .sha-finding {
    padding: 11px 13px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.page-tool--seo-head-analyzer .sha-finding--error {
    border-left-color: var(--danger);
}

.page-tool--seo-head-analyzer .sha-finding--warning {
    border-left-color: var(--warning);
}

.page-tool--seo-head-analyzer .sha-finding--info {
    border-left-color: var(--accent);
}

.page-tool--seo-head-analyzer .sha-finding__head {
    display: flex;
    align-items: baseline;
    gap: 9px;
}

.page-tool--seo-head-analyzer .sha-finding__badge {
    flex: 0 0 auto;
    padding: 0.05rem 0.45rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: var(--surface-3);
    color: var(--muted);
}

.page-tool--seo-head-analyzer .sha-finding--error .sha-finding__badge {
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--seo-head-analyzer .sha-finding--warning .sha-finding__badge {
    background: var(--warning-soft);
    color: var(--warning);
}

.page-tool--seo-head-analyzer .sha-finding--info .sha-finding__badge {
    background: var(--accent-soft);
    color: var(--accent);
}

.page-tool--seo-head-analyzer .sha-finding__title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink);
}

.page-tool--seo-head-analyzer .sha-finding__detail,
.page-tool--seo-head-analyzer .sha-finding__fix {
    margin: 6px 0 0;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--muted);
}

.page-tool--seo-head-analyzer .sha-finding__fix {
    color: var(--ink-2);
    font-family: var(--font-mono);
}

.page-tool--seo-head-analyzer .sha-empty {
    margin: 0;
    color: var(--muted);
    font-size: 0.85rem;
}

.page-tool--seo-head-analyzer .sha-passed {
    margin: 12px 16px 16px;
    padding: 10px 13px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
}

.page-tool--seo-head-analyzer .sha-passed__summary {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ink);
}

.page-tool--seo-head-analyzer .sha-passed__summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.page-tool--seo-head-analyzer .sha-passed-list {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.page-tool--seo-head-analyzer .sha-passed-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--muted);
}

.page-tool--seo-head-analyzer .sha-passed-item::before {
    content: "\2713";
    color: var(--success);
    font-weight: 700;
}

.page-tool--seo-head-analyzer .sha-passed-item__label {
    color: var(--ink-2);
    font-weight: 600;
}

.page-tool--seo-head-analyzer .sha-copy-status {
    min-height: 1.2em;
    margin: 0 16px 14px;
    font-size: 0.8rem;
    color: var(--muted);
}

.page-tool--seo-head-analyzer .sha-copy-status--success {
    color: var(--success);
}

.page-tool--seo-head-analyzer .sha-copy-status--error {
    color: var(--danger);
}

.page-tool--seo-head-analyzer .sha-about {
    max-width: 80ch;
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 860px) {
    .page-tool--seo-head-analyzer .tool-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--seo-head-analyzer .sha-textarea {
        min-height: 18rem;
    }
}