.tool-text-diff{color:var(--fg);max-width:900px;margin:0 auto}
.tool-text-diff *{box-sizing:border-box}
.tool-text-diff .box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin:0 0 16px}
.tool-text-diff h2{margin:0 0 8px;font-size:1.1rem}
.tool-text-diff .sub{color:var(--muted);font-size:.9rem;margin:0 0 10px}
.tool-text-diff textarea,.tool-text-diff input[type=text],.tool-text-diff input[type=search],.tool-text-diff select{width:100%;background:var(--surface-2);color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:10px;font:inherit}
.tool-text-diff textarea{resize:vertical;min-height:110px}
.tool-text-diff input[type=range]{width:100%;accent-color:var(--accent)}
.tool-text-diff .btn{background:var(--surface-2);color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:8px 14px;font:inherit;cursor:pointer;min-height:40px}
.tool-text-diff .btn:hover{border-color:var(--accent)}
.tool-text-diff .primary,.tool-text-diff .btn.on{background:var(--accent);color:var(--accent-fg);border-color:var(--accent);font-weight:700}
.tool-text-diff button:focus-visible,.tool-text-diff select:focus-visible,.tool-text-diff textarea:focus-visible,.tool-text-diff input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.tool-text-diff .bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0}
.tool-text-diff .status{color:var(--ok);min-height:1.3em;margin:6px 0 0;font-weight:600}
.tool-text-diff .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.tool-text-diff .card{border:1px solid var(--border);background:var(--surface-2);border-radius:var(--radius);padding:10px;display:flex;flex-direction:column;gap:6px;min-width:0}
.tool-text-diff .card .lbl{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.tool-text-diff .card .val{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;max-height:9em;overflow:auto;font-size:1rem}
.tool-text-diff .stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}
.tool-text-diff .stat{border:1px solid var(--border);background:var(--surface-2);border-radius:var(--radius);padding:10px;text-align:center}
.tool-text-diff .stat b{display:block;font-size:1.4rem}
.tool-text-diff .stat span{color:var(--muted);font-size:.8rem}
.tool-text-diff .danger{color:var(--danger)}
@media(max-width:480px){.tool-text-diff .grid{grid-template-columns:1fr}}
.tool-text-diff{max-width:1100px}
.tool-text-diff .td-inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tool-text-diff label{cursor:pointer}
.tool-text-diff .td-out{font-family:ui-monospace,Consolas,monospace;font-size:.85rem;border:1px solid var(--border);border-radius:var(--radius);overflow:auto;max-height:70vh;background:var(--surface-2)}
.tool-text-diff .sbs{display:grid;grid-template-columns:1fr 1fr;min-width:520px}
.tool-text-diff .sbs .cell{display:flex;gap:6px;padding:2px 8px;border-bottom:1px solid var(--border);min-width:0;border-right:1px solid var(--border)}
.tool-text-diff .sbs .tx,.tool-text-diff .inl .tx{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;min-width:0}
.tool-text-diff .ln{flex:0 0 2.2em;color:var(--muted);text-align:right;user-select:none}
.tool-text-diff .inl .row{display:flex;gap:8px;padding:2px 8px}
.tool-text-diff .delrow{background:color-mix(in srgb,var(--danger) 14%,transparent)}
.tool-text-diff .insrow{background:color-mix(in srgb,var(--ok) 14%,transparent)}
.tool-text-diff .blank{background:var(--surface)}
.tool-text-diff .del{background:color-mix(in srgb,var(--danger) 35%,transparent);text-decoration:line-through}
.tool-text-diff .ins{background:color-mix(in srgb,var(--ok) 35%,transparent)}
.tool-text-diff .sbs2{display:grid;grid-template-columns:1fr 1fr}
.tool-text-diff .pane{padding:10px;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;min-width:0}
.tool-text-diff .sbs2 .pane+.pane{border-left:1px solid var(--border)}
.tool-text-diff .sbs2 .del{text-decoration:none}
@media(max-width:600px){.tool-text-diff .td-inputs{grid-template-columns:1fr}.tool-text-diff .sbs2{grid-template-columns:1fr}.tool-text-diff .sbs2 .pane+.pane{border-left:0;border-top:1px solid var(--border)}}