.error-icon {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--danger-soft);
    color: var(--danger);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.error-details {
    width: 100%;
    text-align: left;
    font-size: 0.85rem;
    color: var(--muted);
}
.error-details summary {
    cursor: pointer;
    user-select: none;
}
.error-details pre {
    margin: 8px 0 0;
    padding: 12px;
    max-height: 160px;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    font: 0.8rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.error-details pre:empty::before { content: "No additional details."; }