/* PROVENANCE — chain rendering. Tokens only (public/css/er-tokens.css); no literal colours.
   Every visual signal is backed by text: the arrows are decorative, the confidence badges carry
   words, and the chain is a real <ol> so a screen reader announces its order. */

.erprov-chain {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.er-list-plain {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.erprov-node {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-3);
    border: 1px solid var(--er-border);
    border-radius: var(--radius-lg);
    background: var(--er-surface);
}

.erprov-node-mark {
    flex: 0 0 auto;
    width: 2rem;
    height: 2rem;
    display: grid;
    place-items: center;
    border-radius: var(--radius-pill);
    background: var(--er-surface-muted);
    color: var(--er-ink-700);
}

.erprov-node-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.erprov-node-title {
    font-weight: 600;
    color: var(--er-ink-900);
    word-break: break-word;
}

.erprov-node-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
    font-size: var(--text-sm);
    color: var(--er-text-secondary);
}

/* The connector between two nodes. aria-hidden: the ordered list already carries the sequence. */
.erprov-edge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-inline-start: var(--space-4);
    font-size: var(--text-sm);
    color: var(--er-text-secondary);
}

.erprov-edge-rule {
    flex: 0 0 auto;
    width: 1px;
    height: var(--space-4);
    background: var(--er-border-strong);
}

.erprov-branch {
    border: 1px solid var(--er-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    background: var(--er-canvas);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.erprov-branch + .erprov-branch {
    margin-top: var(--space-4);
}

.erprov-truncated {
    display: flex;
    gap: var(--space-2);
    align-items: flex-start;
    padding: var(--space-3);
    border: 1px dashed var(--er-border-strong);
    border-radius: var(--radius-lg);
    color: var(--er-text-secondary);
    font-size: var(--text-sm);
}

.erprov-certs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.erprov-note {
    font-size: var(--text-sm);
    color: var(--er-text-secondary);
    margin: 0;
}

.erprov-table-wrap {
    overflow-x: auto;
}

.erprov-settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

@media (max-width: 30rem) {
    .erprov-node {
        flex-direction: column;
        gap: var(--space-2);
    }

    .erprov-branch {
        padding: var(--space-3);
    }
}