:root{--bg:#FFF;--panel:#FFF;--muted:#000;--accent:#22c55e;--border:#334155;--text:#000}
.pteai *{box-sizing:border-box;}
.pteai{font:16px/1.4 Arial,sans-serif;color:var(--text);width: 100%; margin: 20px auto;}
.pteai .panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:14px;margin:12px 0}
.pteai .row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.pteai .grow{flex:1 1 320px}
.pteai label.button{display:inline-flex;align-items:center;gap:8px;border:1px dashed var(--border);padding:10px 14px;border-radius:12px;cursor:pointer}
.pteai input[type=file]{display:none}
.pteai .hint{color:var(--muted);font-size:13px}
.pteai #pteai-drop{border:2px dashed var(--border);border-radius:14px;padding:22px;text-align:center}
.pteai #pteai-drop.drag{border-color:var(--accent);background:#FFF}
.pteai textarea{width:100%;min-height:220px;background:#FFF;border:1px solid var(--border);border-radius:12px;color:var(--text);padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.pteai .toolbar{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.pteai button{background:#FFF;border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:12px;cursor:pointer}
.pteai .progress{height:8px;background:#FFF;border:1px solid var(--border);border-radius:9999px;overflow:hidden;margin:10px 0 12px}
.pteai .bar{height:100%;width:0;background:linear-gradient(90deg,#22c55e,#06b6d4)}
.pteai .meta{display:flex;gap:12px;color:var(--muted);font-size:13px}

/* context status UI */
.pteai .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.pteai .chip{background:#f4f6f8;border:1px solid #d7dce1;border-radius:999px;padding:4px 10px;font-size:12px}
.pteai .chip--bad{opacity:.6;text-decoration:line-through}
.pteai .pill{background:#eef6ff;border:1px solid #c9e1ff;border-radius:4px;padding:2px 6px;font-size:12px}
.pteai .muted{color:#6b7280;font-size:12px;margin-left:8px}
.pteai .linklike{background:none;border:none;color:#2563eb;cursor:pointer;font-size:12px;padding:0}
.pteai .row{display:flex;align-items:center;gap:8px;margin-top:6px}