:root{--orange: #F95D0E;--orange-dk: #e04f08;--gold: #FFC100;--ink: #1b2330;--sub: #64707f;--line: #e6eaf0;--bg: #eceff4;--panel: #ffffff;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow: 0 10px 34px rgba(16, 24, 40, .09)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--ink);font-family:Segoe UI,Inter,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.page{min-height:100vh;display:flex;flex-direction:column}.wrap{flex:1;width:100%;max-width:840px;margin:0 auto;padding:26px 16px 44px}.toolbar{margin-bottom:18px}.field-label{font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--sub);margin-bottom:7px;display:block}.select-wrap{position:relative}.select-btn{width:100%;display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;font-size:14.5px;color:var(--ink);transition:border-color .15s,box-shadow .15s;box-shadow:var(--shadow-sm)}.select-btn:hover{border-color:#cdd6e2}.select-btn .doc{color:var(--orange);display:flex}.select-btn .chev{margin-left:auto;color:var(--sub);font-size:11px}.select-btn .muted{color:var(--sub)}.dropdown{position:absolute;z-index:30;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.dropdown input{width:100%;padding:12px 14px;border:0;border-bottom:1px solid var(--line);outline:none;font-size:14px}.dropdown .list{max-height:260px;overflow-y:auto}.dropdown .opt{padding:11px 14px;cursor:pointer;font-size:14px;display:flex;gap:10px;align-items:center;border-left:3px solid transparent}.dropdown .opt:hover{background:#f6f8fb}.dropdown .opt.active{background:#fff7ef;color:var(--orange-dk);font-weight:600;border-left-color:var(--orange)}.dropdown .empty-opt{padding:13px 14px;color:var(--sub);font-size:14px}.recent{margin-top:12px}.recent .cap{font-size:11px;color:var(--sub);margin-bottom:7px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;border:1px solid var(--line);background:#f7f9fc;color:var(--ink);font-size:12.5px;cursor:pointer;transition:all .15s}.chip:hover{border-color:var(--orange);color:var(--orange-dk)}.chip.active{background:var(--orange);border-color:var(--orange);color:#fff}.chip .doc{display:flex;opacity:.75}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfcfe)}.card-head .t{font-weight:700;font-size:14.5px}.context-pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--sub);background:#f3f5f8;border:1px solid var(--line);padding:5px 11px;border-radius:999px;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.context-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex:0 0 auto}.chat{height:408px;overflow-y:auto;padding:18px 20px;background:linear-gradient(180deg,#fbfcfe,#fff)}.row{display:flex;gap:10px;margin:16px 0;align-items:flex-end}.row.user{flex-direction:row-reverse}.avatar{width:30px;height:30px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12.5px;color:#fff;box-shadow:var(--shadow-sm)}.avatar.bot{background:linear-gradient(135deg,var(--orange),#ff7a3c)}.avatar.me{background:#3a4655}.stack{display:flex;flex-direction:column;max-width:76%}.row.user .stack{align-items:flex-end}.bubble{padding:11px 15px;border-radius:16px;font-size:14.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word;box-shadow:var(--shadow-sm)}.bubble.bot{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}.bubble.user{background:var(--orange);color:#fff;border-bottom-right-radius:5px}.bubble.err{background:#fff1f1;border:1px solid #f3c9c9;color:#b00020;border-bottom-left-radius:5px}.ts{font-size:10.5px;color:#aab3bf;margin:4px 4px 0}.empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--sub);padding:0 24px}.empty .ic{width:56px;height:56px;border-radius:16px;background:#fff3e9;color:var(--orange);display:flex;align-items:center;justify-content:center;margin-bottom:16px}.empty h3{margin:0 0 5px;color:var(--ink);font-size:17px}.empty p{margin:0 0 18px;font-size:13.5px;max-width:380px}.typing{display:inline-flex;gap:5px;padding:13px 16px;background:#fff;border:1px solid var(--line);border-radius:16px 16px 16px 5px;box-shadow:var(--shadow-sm)}.typing span{width:7px;height:7px;border-radius:50%;background:#c2cbd6;animation:bounce 1.2s infinite}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,80%,to{transform:translateY(0);opacity:.5}40%{transform:translateY(-5px);opacity:1}}.composer{display:flex;gap:10px;align-items:center;padding:14px 16px;border-top:1px solid var(--line);background:#fff}.composer input{flex:1;padding:13px 16px;border:1px solid var(--line);border-radius:999px;font-size:15px;outline:none;transition:border-color .15s,box-shadow .15s}.composer input:focus{border-color:var(--orange);box-shadow:0 0 0 3px #f95d0e1f}.send{width:46px;height:46px;border-radius:50%;border:0;background:var(--orange);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .08s;flex:0 0 auto}.send:hover:not(:disabled){background:var(--orange-dk)}.send:active:not(:disabled){transform:scale(.93)}.send:disabled{background:#f0b48f;cursor:default}.mic{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--sub);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s,border-color .15s,transform .08s;flex:0 0 auto}.mic:hover:not(:disabled){color:var(--orange);border-color:var(--orange)}.mic:active:not(:disabled){transform:scale(.93)}.mic:disabled{opacity:.5;cursor:default}.mic.listening{background:var(--orange);border-color:var(--orange);color:#fff;animation:mic-pulse 1.4s ease-in-out infinite}@keyframes mic-pulse{0%,to{box-shadow:0 0 #f95d0e73}50%{box-shadow:0 0 0 7px #f95d0e00}}.footer{text-align:center;color:var(--sub);font-size:12px;margin-top:20px}.banner-err{background:#fff1f1;border:1px solid #f3c9c9;color:#b00020;padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:13.5px}.splash{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--sub);gap:14px}.spinner{width:30px;height:30px;border:3px solid #e6eaf0;border-top-color:var(--orange);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.browse-btn{margin-top:10px;display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:13px;font-weight:500;cursor:pointer;box-shadow:var(--shadow-sm);transition:border-color .15s,color .15s}.browse-btn:hover{border-color:var(--orange);color:var(--orange-dk)}.browse-btn .doc{color:var(--orange)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#10182873;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fade .12s ease-out}@keyframes fade{0%{opacity:0}to{opacity:1}}.modal{width:100%;max-width:560px;max-height:80vh;background:#fff;border-radius:16px;box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}.modal-title{font-weight:700;font-size:15px}.modal-x{border:0;background:transparent;font-size:24px;line-height:1;color:var(--sub);cursor:pointer;padding:0 4px}.modal-x:hover{color:var(--ink)}.modal-search{margin:14px 18px 6px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}.modal-search:focus{border-color:var(--orange);box-shadow:0 0 0 3px #f95d0e1f}.modal-body{overflow-y:auto;padding:6px 8px 14px}.lib-group{margin-bottom:2px}.lib-head{width:100%;display:flex;align-items:center;gap:8px;padding:9px 10px;border:0;background:transparent;cursor:pointer;font-size:12px;font-weight:700;color:var(--sub);text-transform:uppercase;letter-spacing:.4px}.lib-head:hover{color:var(--ink)}.lib-chev{font-size:10px;width:12px;text-align:center}.lib-name{flex:1;text-align:left}.lib-count{font-weight:600;color:var(--sub);background:#f0f3f7;border-radius:999px;padding:1px 8px;font-size:11px}.modal-body .opt{padding:10px 14px 10px 30px;cursor:pointer;font-size:14px;display:flex;gap:10px;align-items:center;border-left:3px solid transparent;border-radius:6px}.modal-body .opt:hover{background:#f6f8fb}.modal-body .opt.active{background:#fff7ef;color:var(--orange-dk);font-weight:600;border-left-color:var(--orange)}.modal-body .empty-opt{padding:18px;color:var(--sub);font-size:14px;text-align:center}