html,body,#root{height:100%;margin:0}body{background:#0b0f14;color:#e6edf3;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.app-root{min-height:100vh;height:100vh;width:100%;display:flex;padding:1.5rem;box-sizing:border-box}.app-shell{flex:1;width:100%;min-height:100%;height:100%;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:20px;box-shadow:0 24px 60px #00000059;padding:1.5rem;box-sizing:border-box;display:flex;flex-direction:column}.login-page{flex:1;display:flex;align-items:center;justify-content:center}.login-card{width:100%;max-width:380px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:2rem;box-shadow:0 24px 60px #00000059;display:flex;flex-direction:column;gap:1rem}.login-title{margin:0;font-size:1.6rem;font-weight:700}.login-subtitle{margin:0;opacity:.7}.login-field{display:flex;flex-direction:column;gap:6px;font-size:.9rem}.login-input{border-radius:10px;border:1px solid rgba(255,255,255,.2);background:#ffffff0f;color:#e6edf3;padding:.6rem .75rem;font-size:.95rem}.login-button{border:none;border-radius:10px;padding:.7rem 1rem;font-weight:600;background:#f97316;color:#0b0f14;cursor:pointer}.login-button:disabled{opacity:.6;cursor:not-allowed}.login-error{color:#f87171;font-size:.9rem}.app-status{margin:0;font-size:.95rem;opacity:.75}.app-status--error{color:#f87171}.chat-layout{flex:1;display:flex;gap:1.5rem;min-height:0;height:100%}.chat-sidebar{width:260px;min-width:220px;display:flex;flex-direction:column;gap:1rem;padding:1.25rem;border-right:1px solid rgba(255,255,255,.08);min-height:0}.chat-sidebar-list{display:flex;flex-direction:column;gap:.5rem;overflow-y:auto;flex:1;min-height:0}.chat-main{flex:1;display:flex;flex-direction:column;min-height:0;min-width:0}.chat-window{flex:1;display:flex;flex-direction:column;min-height:0;height:100%}.chat-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:16px 24px 8px}.chat-title-block{min-width:0}.chat-title{margin:0;font-size:1.5rem;font-weight:700}.chat-title--editable{cursor:pointer}.chat-title-input{margin:0;font-size:1.5rem;font-weight:700;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:.2rem .5rem;color:#e6edf3}.chat-subtitle{margin:.35rem 0 0;opacity:.7}.chat-body{flex:1;min-height:0;overflow-y:auto;padding:0 24px 8px}.chat-footer{padding:8px 24px 16px;border-top:1px solid rgba(255,255,255,.08)}.chat-input-bar{display:flex;align-items:flex-end;gap:8px;flex-wrap:wrap}.chat-input-group{flex:1;display:flex;align-items:flex-end;gap:8px;min-width:240px}.chat-input-group--disabled{opacity:.5;cursor:not-allowed}.chat-input{flex:1;min-height:72px;max-height:200px;resize:vertical;padding:8px 10px;font-size:14px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:#ffffff0f;color:#e6edf3;line-height:1.4}.attach-wrapper{display:flex;flex-direction:column;gap:4px}.attach-btn,.send-btn,.clear-btn{white-space:nowrap;padding:8px 12px;font-size:14px;border-radius:12px;font-weight:600;cursor:pointer}.attach-btn{border:1px solid rgba(255,255,255,.18);background:#ffffff14;color:#e6edf3}.attach-btn--disabled{opacity:.6;cursor:not-allowed}.send-btn{border:none;background:#f97316;color:#0b0f14}.send-btn:disabled,.clear-btn:disabled{opacity:.6;cursor:not-allowed}.clear-btn{border:1px solid rgba(255,255,255,.2);background:transparent;color:#e6edf3}.attach-error{color:#f87171;font-size:.85rem}.message-list{display:flex;flex-direction:column;gap:.5rem;flex:1;padding:1rem;border-radius:16px;background:#ffffff05;border:1px solid rgba(255,255,255,.06);min-height:100%;box-sizing:border-box}.message{max-width:80%;padding:.75rem 1rem;border-radius:14px;line-height:1.55;font-size:.95rem;white-space:pre-wrap;word-break:break-word;box-shadow:0 12px 28px #0003}.message--user{align-self:flex-end;background:#1f2933;border:1px solid rgba(56,139,253,.6)}.message--assistant{align-self:flex-start;background:#111827;border:1px solid rgba(255,255,255,.14)}.message--system{align-self:center;text-align:center;background:#f8514926;border:1px solid rgba(248,81,73,.35)}.message__content{line-height:1.4;font-size:.95rem}.message__content>*+*{margin-top:.3rem}.message__content p{margin:0 0 .35rem}.message__content p:last-child{margin-bottom:0}.message__content ul,.message__content ol{padding-left:1.2rem;margin:0 0 .35rem}.message__content li{margin-bottom:.15rem}.message__content blockquote{margin:.5rem 0;padding-left:.75rem;border-left:3px solid rgba(255,255,255,.2);opacity:.85}.message__content table{width:100%;border-collapse:collapse;font-size:.85rem}.message__content th,.message__content td{border:1px solid rgba(255,255,255,.15);padding:.4rem .6rem}.message__content code{padding:.15rem .35rem;border-radius:6px;background:#00000059;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.85rem}.message__content pre{padding:.75rem .9rem;border-radius:10px;background:#0000008c;overflow-x:auto}.typing-indicator{display:inline-flex;align-items:center;gap:4px;font-size:0;opacity:.8;padding:.2rem .2rem .1rem;margin-left:24px}.typing-dot{width:6px;height:6px;border-radius:999px;background:#9ca3af;animation:typing-dot 1.2s ease-in-out infinite}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes typing-dot{0%,80%,to{transform:translateY(0);opacity:.3}40%{transform:translateY(-4px);opacity:1}}.chat-documents-bar{display:flex;flex-wrap:wrap;gap:8px;padding:0 24px;margin-top:.25rem;margin-bottom:.5rem}.chat-document-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);font-size:12px;color:#e6edf3}.chat-document-icon{font-size:14px}.chat-document-name{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-documents{margin-top:4px;display:flex;flex-wrap:wrap;gap:4px}