.diff-container {
    font-family: monospace;
    white-space: pre-wrap;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    font-size: 13px;
    line-height: 1.6;
    max-height: 600px;
    overflow-y: auto;
}

.diff-added {
    background-color: #dcfce7;
    color: #15803d;
    text-decoration: none;
    display: block;
    padding: 2px 8px;
    border-left: 4px solid #22c55e;
}

.diff-removed {
    background-color: #fee2e2;
    color: #b91c1c;
    text-decoration: line-through;
    display: block;
    padding: 2px 8px;
    border-left: 4px solid #ef4444;
}

.diff-unchanged {
    color: #475569;
    display: block;
    padding: 2px 8px;
}

.text-diff-box {
    height: 250px;
    border-radius: 10px;
    padding: 15px;
    border: 1px solid #d1d5db;
    font-size: 14px;
}

/* Split side-by-side view */
.diff-split-container {
    max-height: 600px;
    overflow-y: auto;
}

.diff-line-num {
    background-color: #f1f5f9;
    color: #64748b;
    text-align: center;
    user-select: none;
    border-right: 1px solid #e2e8f0;
    padding: 2px 5px !important;
}

.diff-line-content {
    white-space: pre-wrap;
    word-break: break-all;
    padding: 2px 8px !important;
}

.diff-cell-added {
    background-color: #f0fdf4;
    color: #166534;
}

.diff-cell-removed {
    background-color: #fef2f2;
    color: #991b1b;
}

.diff-cell-empty {
    background-color: #f8fafc;
}