@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(360deg)}}:root{--bg:#0b0c10;--card:#11131a;--text:#eef0f6;--muted:#a9b0c3;--line:#262a36;--btn:#1a1f2e}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}.wrap{max-width:980px;margin:0 auto;padding:24px}.top,.topLeft{align-items:center}.top{display:grid;grid-template-columns:1fr auto;gap:16px;margin-bottom:16px}.topLeft{display:flex;gap:14px;min-width:0}.title{font-size:22px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}select{background:var(--btn);padding:10px 12px;border-radius:12px;min-height:44px;font-size:16px}.card,.chat{border:1px solid var(--line)}.card{background:var(--card);border-radius:16px;padding:16px}.chat{height:420px;overflow:auto;padding:10px;border-radius:12px;background:#0e1016}.bubble{max-width:78%;padding:10px 12px;border-radius:14px;margin:10px 0;white-space:pre-wrap;line-height:1.35}.me{margin-left:auto;background:#1c2540;border:1px solid #2b355a}.bot{margin-right:auto;background:#131827;border:1px solid #242d4a}.meta{font-size:12px;color:var(--muted);margin-top:6px}.quick{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.form input[type=text],.quick button,select{border:1px solid var(--line);color:var(--text)}.quick button{background:var(--btn);padding:10px 12px;border-radius:14px;cursor:pointer;white-space:normal;line-height:1.15;text-align:left;display:inline-flex;flex-direction:column;align-items:flex-start;gap:2px;min-height:44px}.quick button small{display:block;opacity:.75;font-size:12px;line-height:1.1}.form{display:flex;gap:10px;margin-top:10px}.form input[type=text]{flex:1;background:#0e1016;padding:12px;border-radius:12px}.file,.form button{border-radius:12px;cursor:pointer}.file{display:inline-flex;align-items:center;gap:8px;background:var(--btn);border:1px solid var(--line);padding:10px 12px}#workingOverlay[hidden],.file input{display:none}.form button{background:#2a3352;border:1px solid #39446d;color:var(--text);padding:12px 14px}.form button:disabled{opacity:.55;cursor:not-allowed}.photoPreview,.photoStatus{border:1px solid var(--line)}.photoStatus{display:flex;align-items:center;gap:10px;margin-top:10px;padding:10px 12px;border-radius:12px;background:#0e1016}.photoPreview{width:44px;height:44px;object-fit:cover;border-radius:10px;background:#0b0c10}#workingOverlay,.photoText{display:flex;flex-direction:column}.photoText{gap:2px;min-width:0;flex:1}.photoName{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.photoSize{font-size:12px;color:var(--muted)}.photoClear{background:#1a1f2e;border:1px solid var(--line);color:var(--text);padding:10px 14px;border-radius:12px;cursor:pointer;font-weight:600;line-height:1}.photoClear:hover{filter:brightness(1.15)}.hint{margin-top:10px;font-size:12px;color:var(--muted)}.brand{height:66px;width:auto;display:block}@media (max-width:520px){.wrap{padding:12px}.brand{height:44px}.title{font-size:18px}select{padding:12px 14px;border-radius:14px;min-width:76px}.chat{height:48vh;min-height:260px}.quick{display:grid;grid-template-columns:1fr 1fr;gap:8px}.quick button{width:100%}.form{flex-wrap:wrap}.form input[type=text]{flex:1 1 100%}.file,.form button{flex:1 1 48%;justify-content:center}}#workingOverlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(11,13,26,.85);align-items:center;justify-content:center;z-index:9999}.spinner{width:50px;height:50px;border:4px solid var(--line);border-top:4px solid #007bff;border-radius:50%;animation:spin 1s linear infinite}#workingText{margin-top:15px;color:var(--text);font-weight:600}.card[dir=rtl] .me{margin-left:0;margin-right:auto}.card[dir=rtl] .bot{margin-right:0;margin-left:auto}.card[dir=rtl] .quick button{text-align:right;align-items:flex-end}.card[dir=rtl] .form{direction:rtl}.card[dir=rtl] .hint{text-align:right}