.diff-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.diff-view {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow-x: auto;
}

.diff-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.diff-line td {
    padding: 0 0.5rem;
    white-space: pre;
    line-height: 1.6;
}

.diff-num {
    width: 50px;
    text-align: right;
    color: var(--text-muted);
    user-select: none;
    border-right: 1px solid var(--border);
}

.diff-sign {
    width: 20px;
    text-align: center;
    user-select: none;
}

.diff-content pre {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
}

.diff-insert { background: #dcfce7; }
.diff-insert .diff-sign { color: var(--success); }

.diff-delete { background: #fef2f2; }
.diff-delete .diff-sign { color: var(--danger); }

[data-theme="dark"] .diff-insert { background: #0d2d17; }
[data-theme="dark"] .diff-delete { background: #2d0d0d; }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .diff-insert { background: #0d2d17; }
    :root:not([data-theme="light"]) .diff-delete { background: #2d0d0d; }
}