:root{
  --bg:#0b0c10;--card:#12141a;--muted:#9aa3b2;--text:#e6eaf0;--accent:#4f7cff;--green:#16a34a;--red:#dc2626;--yellow:#d97706;--blue:#2563eb;--border:#1f2937;
  --r:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Noto Naskh Arabic",sans-serif}
a{color:var(--accent)}
header{position:sticky;top:0;z-index:10;background:rgba(11,12,16,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.wrap{max-width:1100px;margin:0 auto;padding:16px 20px}
h1{margin:0;font-size:22px;letter-spacing:.2px}
.sub{color:var(--muted);font-size:13px;margin-top:4px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:14px}
textarea{width:100%;min-height:180px;background:#0f1116;color:var(--text);border:1px solid var(--border);border-radius:12px;padding:12px;font-size:14px;line-height:1.5;resize:vertical}
textarea:focus{outline:1px solid var(--accent)}
.controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
button{appearance:none;background:var(--accent);color:white;border:0;border-radius:10px;padding:10px 14px;font-weight:600;cursor:pointer}
button.secondary{background:#1f2937;color:var(--text)}
button.ghost{background:transparent;border:1px solid var(--border)}
button:disabled{opacity:.5;cursor:not-allowed}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border-radius:999px;font-size:12px;border:1px solid var(--border);background:#0f1116;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%}
.legend{display:flex;gap:8px;flex-wrap:wrap}
.k{font-size:12px;color:var(--muted)}
.progress{height:6px;background:#0f1116;border-radius:999px;overflow:hidden;border:1px solid var(--border)}
.bar{height:100%;width:0%;background:var(--accent);transition:width .3s}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}
.pill{font-size:11px;padding:2px 6px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}
.pill.identical{background:#0b1a12;border-color:#143324}
.pill.reworded{background:#1a150b;border-color:#33260f}
.pill.weak{background:#1a1410;border-color:#331e0f}
.pill.moved{background:#0f172a;border-color:#1e2d5a}
.pill.added{background:#0f1a0f;border-color:#14331a}
.pill.removed{background:#1a0f0f;border-color:#331414}
.item{padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#0f1116}
.item.identical{border-color:#143324}
.item.reworded{border-color:#33260f}
.item.weak{border-color:#331e0f}
.item.moved{border-color:#1e2d5a}
.item.added{border-color:#14331a;background:#0b160b}
.item.removed{border-color:#331414;background:#160b0b}
.meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:6px}
.sim{font-size:12px;color:var(--muted)}
.arabic{font-family:"Noto Naskh Arabic",system-ui}
footer{color:var(--muted);font-size:12px;padding:28px 0;text-align:center}
code{background:#0f1116;border:1px solid var(--border);padding:2px 6px;border-radius:6px}
select{background:#0f1116;color:var(--text);border:1px solid var(--border);border-radius:10px;padding:8px}