.stats-mini-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.stat-mini-card {
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: 18px;
    padding: 18px;
}

.stat-mini-card span {
    display: block;
    color: var(--muted);
    font-weight: 800;
}

.stat-mini-card strong {
    display: block;
    font-size: clamp(1.8rem, 4vw, 3rem);
    letter-spacing: -.05em;
    margin-top: 6px;
}

.case-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 14px;
}

.diff-tool-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    padding-bottom: 54px;
}

.diff-output-panel {
    grid-column: 1 / -1;
}

.diff-output {
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: 20px;
    padding: 14px;
    min-height: 260px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    overflow: auto;
}

.diff-line {
    padding: 6px 10px;
    border-radius: 10px;
    white-space: pre-wrap;
    word-break: break-word;
}

.diff-line.added {
    color: #15803d;
    background: rgba(34,197,94,.12);
}

.diff-line.removed {
    color: #b91c1c;
    background: rgba(239,68,68,.12);
}

.diff-line.same {
    color: var(--muted);
}

.markdown-preview {
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: 20px;
    padding: 18px;
    min-height: 380px;
    overflow: auto;
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3 {
    letter-spacing: -.04em;
    margin: 18px 0 10px;
}

.markdown-preview a {
    color: var(--primary);
    font-weight: 800;
}

.markdown-preview code {
    background: rgba(37,99,235,.12);
    color: var(--primary);
    padding: 2px 6px;
    border-radius: 7px;
}

@media (max-width: 900px) {
    .diff-tool-layout {
        grid-template-columns: 1fr;
    }

    .stats-mini-grid,
    .case-actions {
        grid-template-columns: 1fr;
    }
}