:root{--primary:#6366f1;--primary-hover:#4f46e5;--bg-color:#0f172a;--surface-color:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border-color:#334155;--danger:#ef4444;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}.app-container{height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--surface-color);border-right:1px solid var(--border-color);flex-direction:column;width:280px;padding:1.5rem;transition:all .3s;display:flex}.brand{color:var(--primary);align-items:center;gap:.75rem;margin-bottom:2rem;font-size:1.5rem;font-weight:700;display:flex}.brand span{background:linear-gradient(135deg,#6366f1,#a855f7);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.nav-menu{flex-direction:column;gap:.5rem;display:flex}.nav-item{cursor:pointer;color:var(--text-secondary);text-align:left;background:0 0;border:none;border-radius:.5rem;align-items:center;gap:.75rem;width:100%;padding:.875rem 1rem;font-size:1rem;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{color:var(--text-primary);background-color:#6366f11a}.nav-item.active{background-color:var(--primary);color:#fff;box-shadow:0 4px 12px #6366f14d}.main-content{flex-direction:column;flex:1;padding:2rem;display:flex;overflow-y:auto}.page-header{margin-bottom:2rem}.page-title{margin-bottom:.5rem;font-size:2rem;font-weight:700}.page-description{color:var(--text-secondary)}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-secondary);margin-bottom:.5rem;font-weight:500;display:block}.form-control{background-color:var(--bg-color);border:1px solid var(--border-color);width:100%;color:var(--text-primary);border-radius:.5rem;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s,box-shadow .2s}.form-control:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f133}textarea.form-control{resize:vertical;min-height:200px}.btn{cursor:pointer;border:none;border-radius:.5rem;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);box-shadow:0 4px 12px #6366f14d}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.btn-danger{background-color:var(--danger);color:#fff}.chat-container{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:1rem;flex-direction:column;height:100%;display:flex;overflow:hidden}.chat-status{text-align:center;border-bottom:1px solid var(--border-color);background-color:#0f172a80;padding:1rem;font-weight:500}.status-indicator{border-radius:50%;width:10px;height:10px;margin-right:.5rem;display:inline-block}.status-connected{background-color:var(--success);box-shadow:0 0 10px var(--success)}.status-disconnected{background-color:var(--danger)}.chat-history{flex-direction:column;flex:1;gap:1rem;padding:1.5rem;display:flex;overflow-y:auto}.message{word-break:break-word;border-radius:1rem;max-width:85%;padding:1.25rem;font-size:1rem;line-height:1.6;box-shadow:0 4px 6px -1px #0000001a}.message-user{background:linear-gradient(135deg, var(--primary), var(--primary-hover));color:#fff;border-bottom-right-radius:.25rem;align-self:flex-end}.message-ai{background-color:var(--surface-color);border:1px solid var(--border-color);color:var(--text-primary);border-bottom-left-radius:.25rem;align-self:flex-start}.source-cards-container{border-top:1px solid #ffffff1a;flex-direction:column;gap:.75rem;margin-top:1.5rem;padding-top:1rem;display:flex}.source-cards-header{color:var(--primary);align-items:center;gap:.4rem;font-size:.9rem;font-weight:600;display:flex}.source-cards-list{grid-template-columns:1fr;gap:.75rem;display:grid}.source-card{background:#0f172a99;border:1px solid #ffffff0d;border-radius:.5rem;padding:.8rem 1rem;transition:transform .2s,box-shadow .2s}.source-card:hover{border-color:#6366f14d;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.source-card-title{color:#e2e8f0;margin-bottom:.4rem;font-size:.85rem;font-weight:600}.source-card-snippet{color:var(--text-secondary);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.8rem;line-height:1.4;display:-webkit-box;overflow:hidden}.typing-indicator{align-items:center;gap:.4rem;padding:.5rem .2rem;display:flex}.typing-indicator span{background-color:var(--primary);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite both typing;display:block}.typing-indicator span:first-child{animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.empty-state{color:var(--text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;margin:auto;display:flex}.empty-icon{opacity:.2;color:var(--primary);margin-bottom:1.5rem}.empty-state h3{color:var(--text-primary);margin-bottom:.5rem;font-weight:600}.chat-controls{border-top:1px solid var(--border-color);background-color:var(--surface-color);justify-content:center;align-items:center;gap:1rem;padding:1.5rem;display:flex}.mic-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#1e293b,#0f172a);border:none;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;font-size:2rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 4px 20px #0000004d,inset 0 2px #ffffff1a}.mic-btn:hover{transform:scale(1.05)}.mic-btn.recording{background:linear-gradient(135deg, var(--danger), #b91c1c);animation:1.5s infinite pulse}@keyframes pulse{0%{box-shadow:0 0 #ef4444b3}70%{box-shadow:0 0 0 20px #ef444400}to{box-shadow:0 0 #ef444400}}.glass-panel{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#1e293bb3;border:1px solid #ffffff0d;border-radius:1rem;padding:2rem}.card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:1rem;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.text-center{text-align:center}.mt-4{margin-top:1rem}