@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--bg-sidebar:#0c1220;--bg-glass:#1e293b99;--bg-glass-hover:#1e293bcc;--bg-input:#0f172acc;--accent-primary:#7c3aed;--accent-secondary:#6366f1;--accent-gradient:linear-gradient(135deg, #7c3aed, #6366f1);--accent-glow:0 0 20px #7c3aed4d;--accent-glow-strong:0 0 30px #7c3aed80;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-tertiary:#64748b;--text-accent:#a78bfa;--border-color:#94a3b81a;--border-accent:#7c3aed4d;--success:#22c55e;--warning:#f59e0b;--error:#ef4444;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--shadow-sm:0 2px 4px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 32px #00000080;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--sidebar-width:280px;--header-height:64px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}.app-layout{width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);flex-direction:column;padding:20px 16px;display:flex;overflow-y:auto}.sidebar-logo{align-items:center;gap:12px;margin-bottom:24px;padding:8px 12px;display:flex}.sidebar-logo-icon{background:var(--accent-gradient);border-radius:var(--radius-sm);width:36px;height:36px;box-shadow:var(--accent-glow);justify-content:center;align-items:center;font-size:18px;display:flex}.sidebar-logo-text{color:var(--text-primary);font-size:18px;font-weight:700}.sidebar-logo-sub{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:1px;font-size:11px}.new-chat-btn{background:var(--accent-gradient);border-radius:var(--radius-md);color:#fff;cursor:pointer;width:100%;transition:all var(--transition-normal);box-shadow:var(--accent-glow);border:none;justify-content:center;align-items:center;gap:8px;margin-bottom:24px;padding:12px 16px;font-family:inherit;font-size:14px;font-weight:600;display:flex}.new-chat-btn:hover{box-shadow:var(--accent-glow-strong);transform:translateY(-1px)}.sidebar-section-title{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:8px;padding:0 12px;font-size:11px;font-weight:600}.sidebar-nav{flex-direction:column;gap:4px;margin-bottom:24px;display:flex}.sidebar-nav-item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px 12px;font-family:inherit;font-size:14px;text-decoration:none;display:flex}.sidebar-nav-item:hover,.sidebar-nav-item.active{background:var(--bg-glass);color:var(--text-primary)}.sidebar-nav-item.active{border-left:2px solid var(--accent-primary)}.chat-history{flex-direction:column;flex:1;gap:2px;display:flex;overflow-y:auto}.chat-history-item{border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:10px;padding:10px 12px;font-size:13px;display:flex;overflow:hidden}.chat-history-item:hover{background:var(--bg-glass);color:var(--text-secondary)}.sidebar-footer{border-top:1px solid var(--border-color);margin-top:auto;padding-top:16px}.main-content{flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.header{height:var(--header-height);min-height:var(--header-height);border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0f172acc;justify-content:space-between;align-items:center;padding:0 28px;display:flex}.header-title{color:var(--text-primary);font-size:16px;font-weight:600}.header-status{color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;display:flex}.status-dot{background:var(--success);border-radius:50%;width:8px;height:8px;animation:2s infinite pulse;box-shadow:0 0 8px #22c55e80}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.chat-area{scroll-behavior:smooth;flex-direction:column;flex:1;gap:24px;padding:24px 32px;display:flex;overflow-y:auto}.chat-area::-webkit-scrollbar{width:6px}.chat-area::-webkit-scrollbar-track{background:0 0}.chat-area::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}.welcome-container{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px;display:flex}.welcome-icon{background:var(--accent-gradient);border-radius:var(--radius-lg);width:72px;height:72px;box-shadow:var(--accent-glow-strong);justify-content:center;align-items:center;margin-bottom:24px;font-size:32px;animation:3s ease-in-out infinite float;display:flex}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.welcome-title{color:var(--text-primary);max-width:500px;margin-bottom:8px;font-size:28px;font-weight:700}.welcome-subtitle{color:var(--text-secondary);max-width:440px;margin-bottom:40px;font-size:15px}.suggestion-grid{grid-template-columns:repeat(2,1fr);gap:16px;width:100%;max-width:600px;display:grid}.suggestion-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);text-align:left;align-items:flex-start;gap:14px;padding:20px;display:flex}.suggestion-card:hover{background:var(--bg-glass-hover);border-color:var(--border-accent);box-shadow:var(--accent-glow);transform:translateY(-2px)}.suggestion-card-icon{flex-shrink:0;margin-top:2px;font-size:24px}.suggestion-card-text{color:var(--text-secondary);font-size:14px;line-height:1.5}.suggestion-card:hover .suggestion-card-text{color:var(--text-primary)}.message{gap:12px;max-width:85%;animation:.3s ease-out messageSlide;display:flex}@keyframes messageSlide{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.message-user{flex-direction:row-reverse;align-self:flex-end}.message-ai{align-self:flex-start}.message-avatar{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;display:flex}.message-avatar-user{background:var(--accent-gradient);color:#fff;box-shadow:var(--accent-glow)}.message-avatar-ai{background:var(--bg-glass);border:1px solid var(--border-color);color:var(--text-accent)}.message-content{flex-direction:column;gap:8px;display:flex}.message-bubble{border-radius:var(--radius-lg);padding:14px 18px;font-size:14px;line-height:1.7}.message-bubble-user{background:var(--accent-gradient);color:#fff;border-bottom-right-radius:4px}.message-bubble-ai{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);color:var(--text-primary);border-bottom-left-radius:4px}.message-bubble-ai p{margin-bottom:8px}.message-bubble-ai p:last-child{margin-bottom:0}.message-bubble-ai strong{color:var(--text-accent)}.message-time{color:var(--text-tertiary);padding:0 4px;font-size:11px}.tool-calls{margin-top:4px}.tool-calls-toggle{color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-sm);border:1px solid var(--border-color);transition:all var(--transition-fast);background:#0f172a80;align-items:center;gap:6px;padding:6px 10px;font-family:inherit;font-size:12px;display:flex}.tool-calls-toggle:hover{background:var(--bg-glass);color:var(--text-secondary)}.tool-calls-toggle svg{transition:transform var(--transition-fast)}.tool-calls-toggle.expanded svg{transform:rotate(90deg)}.tool-calls-list{border-radius:var(--radius-sm);border:1px solid var(--border-color);background:#0f172a66;flex-wrap:wrap;gap:8px;margin-top:8px;padding:12px;animation:.2s ease-out messageSlide;display:flex}.tool-call-badge{border-radius:var(--radius-full);border:1px solid var(--border-color);background:var(--bg-glass);align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:500;display:inline-flex}.tool-call-badge.success{color:var(--success);border-color:#22c55e4d}.tool-call-badge.error{color:var(--error);border-color:#ef44444d}.tool-call-badge.fallback{color:var(--warning);border-color:#f59e0b4d}.tool-call-check{font-size:14px}.loading-message{align-self:flex-start;gap:12px;max-width:85%;animation:.3s ease-out messageSlide;display:flex}.loading-dots{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);border-bottom-left-radius:4px;gap:6px;padding:18px 22px;display:flex}.loading-dot{background:var(--text-tertiary);border-radius:50%;width:8px;height:8px;animation:1.4s infinite bounce}.loading-dot:nth-child(2){animation-delay:.2s}.loading-dot:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}}.input-bar{border-top:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0f172a99;padding:16px 28px 24px}.input-bar-inner{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all var(--transition-normal);align-items:center;gap:12px;padding:4px 4px 4px 18px;display:flex}.input-bar-inner:focus-within{border-color:var(--border-accent);box-shadow:var(--accent-glow)}.input-bar input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;padding:12px 0;font-family:inherit;font-size:14px}.input-bar input::placeholder{color:var(--text-tertiary)}.send-btn{border-radius:var(--radius-md);background:var(--accent-gradient);color:#fff;cursor:pointer;width:44px;height:44px;transition:all var(--transition-normal);border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex}.send-btn:hover:not(:disabled){box-shadow:var(--accent-glow-strong);transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.input-hint{text-align:center;color:var(--text-tertiary);margin-top:8px;font-size:11px}.metrics-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin:12px 0;display:grid}.metric-card{border:1px solid var(--border-color);border-radius:var(--radius-sm);text-align:center;background:#0f172a80;padding:12px}.metric-value{color:var(--text-accent);font-size:20px;font-weight:700}.metric-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-top:4px;font-size:11px}@media (width<=768px){.sidebar{display:none}.chat-area{padding:16px}.message{max-width:95%}.suggestion-grid{grid-template-columns:1fr}.input-bar{padding:12px 16px 16px}}