:root{--bg-0: #080b14;--bg-1: #0d1220;--bg-2: #111827;--bg-3: #1a2236;--bg-card: rgba(17, 24, 39, .8);--bg-glass: rgba(255, 255, 255, .04);--bg-glass-hover: rgba(255, 255, 255, .07);--accent-1: #6366f1;--accent-2: #8b5cf6;--accent-3: #a78bfa;--accent-glow: rgba(99, 102, 241, .35);--green: #10b981;--green-dim: rgba(16, 185, 129, .15);--red: #ef4444;--red-dim: rgba(239, 68, 68, .15);--amber: #f59e0b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #475569;--text-inverse: #0f172a;--border: rgba(255, 255, 255, .08);--border-accent: rgba(99, 102, 241, .4);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 20px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .6);--shadow-glow: 0 0 40px rgba(99, 102, 241, .2);--font-sans: "Inter", system-ui, sans-serif;--font-display: "Plus Jakarta Sans", system-ui, sans-serif;--transition: .2s ease;--transition-slow: .4s ease;--sidebar-width: 320px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-0);color:var(--text-primary);min-height:100vh;overflow-x:hidden}#root{height:100vh;display:flex;flex-direction:column}a{color:var(--accent-3);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;background:none;font-family:inherit}input,textarea{font-family:inherit;background:var(--bg-glass);border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-md);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}input:focus,textarea:focus{border-color:var(--border-accent);box-shadow:0 0 0 3px var(--accent-glow)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.glass{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border)}.gradient-text{background:linear-gradient(135deg,var(--accent-1),var(--accent-3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:radial-gradient(ellipse 80% 80% at 50% -20%,rgba(99,102,241,.15),transparent),radial-gradient(ellipse 60% 60% at 80% 80%,rgba(139,92,246,.08),transparent),var(--bg-0)}.login-orb{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;animation:float 8s ease-in-out infinite}.login-orb-1{width:500px;height:500px;background:#6366f11f;top:-150px;left:-100px}.login-orb-2{width:400px;height:400px;background:#8b5cf61a;bottom:-100px;right:-100px;animation-delay:-4s}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.05)}}.login-card{width:100%;max-width:440px;padding:48px 40px;border-radius:var(--radius-xl);text-align:center;position:relative;z-index:1;background:#0d1220e6;border:1px solid var(--border);-webkit-backdrop-filter:blur(40px);backdrop-filter:blur(40px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.login-logo{width:64px;height:64px;margin:0 auto 24px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:28px;box-shadow:0 8px 24px var(--accent-glow)}.login-title{font-family:var(--font-display);font-size:2rem;font-weight:800;margin-bottom:8px;background:linear-gradient(135deg,#fff 40%,var(--accent-3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-subtitle{color:var(--text-secondary);font-size:.95rem;line-height:1.6;margin-bottom:40px}.feature-list{list-style:none;margin-bottom:36px;text-align:left;display:flex;flex-direction:column;gap:12px}.feature-item{display:flex;align-items:center;gap:12px;color:var(--text-secondary);font-size:.875rem}.feature-icon{width:32px;height:32px;border-radius:var(--radius-sm);background:var(--bg-glass);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.btn-google{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding:14px 24px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:#fff;font-size:.95rem;font-weight:600;border-radius:var(--radius-md);border:none;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition),opacity var(--transition);box-shadow:0 4px 20px var(--accent-glow);text-decoration:none}.btn-google:hover{transform:translateY(-2px);box-shadow:0 8px 32px var(--accent-glow);opacity:.95;text-decoration:none;color:#fff}.btn-google:active{transform:translateY(0)}.btn-google svg{width:20px;height:20px}.login-footer{margin-top:24px;color:var(--text-muted);font-size:.8rem}.chat-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--bg-1);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-header{padding:24px 20px 16px;border-bottom:1px solid var(--border)}.sidebar-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}.sidebar-logo{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.sidebar-brand-name{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--text-primary)}.sidebar-brand-sub{font-size:.7rem;color:var(--text-muted)}.user-profile{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-md)}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid var(--border-accent)}.user-avatar-placeholder{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:#fff;flex-shrink:0}.user-info{flex:1;min-width:0}.user-name{font-size:.825rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:.7rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.btn-logout{padding:6px;color:var(--text-muted);border-radius:var(--radius-sm);transition:color var(--transition),background var(--transition);flex-shrink:0}.btn-logout:hover{color:var(--red);background:var(--red-dim)}.sidebar-section{flex:1;overflow-y:auto;padding:16px 20px}.sidebar-section-title{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:12px}.today-date{font-family:var(--font-display);font-size:.95rem;font-weight:700;color:var(--text-primary);margin-bottom:12px}.event-card{padding:10px 12px;background:var(--bg-glass);border:1px solid var(--border);border-left:3px solid var(--accent-1);border-radius:var(--radius-sm);margin-bottom:8px;transition:background var(--transition),border-color var(--transition);cursor:default}.event-card:hover{background:var(--bg-glass-hover);border-left-color:var(--accent-3)}.event-time{font-size:.7rem;color:var(--accent-3);font-weight:500;margin-bottom:3px}.event-title{font-size:.825rem;color:var(--text-primary);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.no-events{text-align:center;padding:24px 0;color:var(--text-muted);font-size:.825rem}.no-events-icon{font-size:32px;margin-bottom:8px}.sidebar-actions{padding:16px 20px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.btn-sidebar-action{width:100%;padding:10px 14px;background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.825rem;font-weight:500;text-align:left;transition:all var(--transition);display:flex;align-items:center;gap:8px}.btn-sidebar-action:hover{background:var(--bg-glass-hover);border-color:var(--border-accent);color:var(--text-primary)}.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-0)}.chat-topbar{padding:16px 28px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;background:#0d122099;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.chat-topbar-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px}.chat-topbar-title{font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:var(--text-primary)}.chat-topbar-sub{font-size:.75rem;color:var(--text-muted)}.online-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green);animation:pulse-dot 2s infinite;margin-left:auto}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.5}}.messages-container{flex:1;overflow-y:auto;padding:24px 28px;display:flex;flex-direction:column;gap:16px}.message-row{display:flex;gap:12px;animation:message-in .3s ease}@keyframes message-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-row.user{flex-direction:row-reverse}.message-avatar{width:34px;height:34px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:16px;margin-top:2px}.message-avatar.ai{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:#fff}.message-avatar.user-av{background:linear-gradient(135deg,#10b981,#059669);color:#fff;font-size:13px;font-weight:600}.message-avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}.message-content{max-width:75%}.message-bubble{padding:12px 16px;border-radius:var(--radius-lg);font-size:.9rem;line-height:1.65;position:relative}.message-bubble.ai{background:var(--bg-3);border:1px solid var(--border);border-top-left-radius:4px;color:var(--text-primary)}.message-bubble.user-msg{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:#fff;border-top-right-radius:4px;box-shadow:0 4px 16px var(--accent-glow)}.message-bubble p{margin:0 0 8px}.message-bubble p:last-child{margin:0}.message-bubble code{background:#0000004d;padding:2px 6px;border-radius:4px;font-size:.85em;font-family:Fira Code,monospace}.message-bubble pre{background:#0000004d;padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0}.message-bubble ul,.message-bubble ol{padding-left:20px}.message-bubble li{margin-bottom:4px}.message-time{font-size:.68rem;color:var(--text-muted);margin-top:4px;padding:0 4px}.message-row.user .message-time{text-align:right}.typing-bubble{display:flex;align-items:center;gap:5px;padding:14px 18px;background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius-lg);border-top-left-radius:4px;width:fit-content}.typing-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-3);animation:typing-bounce 1.4s ease-in-out infinite}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-6px);opacity:1}}.chat-input-area{padding:16px 28px 24px;background:var(--bg-0);border-top:1px solid var(--border)}.quick-prompts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.quick-prompt-btn{padding:6px 14px;background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-secondary);font-size:.78rem;transition:all var(--transition);white-space:nowrap}.quick-prompt-btn:hover{background:var(--bg-glass-hover);border-color:var(--border-accent);color:var(--accent-3)}.input-row{display:flex;gap:10px;align-items:flex-end}.chat-textarea{flex:1;padding:14px 18px;border-radius:var(--radius-lg);font-size:.9rem;resize:none;min-height:52px;max-height:140px;line-height:1.5;transition:border-color var(--transition),box-shadow var(--transition);overflow-y:auto}.chat-textarea::placeholder{color:var(--text-muted)}.btn-send{width:52px;height:52px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;transition:transform var(--transition),box-shadow var(--transition),opacity var(--transition);box-shadow:0 4px 16px var(--accent-glow);flex-shrink:0;color:#fff}.btn-send:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px var(--accent-glow)}.btn-send:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-send svg{width:20px;height:20px}.input-hint{text-align:center;font-size:.72rem;color:var(--text-muted);margin-top:10px}.welcome-state{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:48px 24px;text-align:center}.welcome-icon{width:80px;height:80px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;font-size:36px;margin-bottom:24px;box-shadow:0 8px 32px var(--accent-glow);animation:float 4s ease-in-out infinite}.welcome-title{font-family:var(--font-display);font-size:1.6rem;font-weight:800;margin-bottom:10px;background:linear-gradient(135deg,#fff 40%,var(--accent-3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-sub{color:var(--text-secondary);font-size:.9rem;margin-bottom:32px;max-width:420px;line-height:1.7}.example-prompts{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%;max-width:560px}.example-card{padding:14px 16px;background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-md);text-align:left;transition:all var(--transition);cursor:pointer}.example-card:hover{background:var(--bg-glass-hover);border-color:var(--border-accent);transform:translateY(-2px);box-shadow:var(--shadow-md)}.example-emoji{font-size:20px;margin-bottom:6px}.example-text{font-size:.8rem;color:var(--text-secondary);line-height:1.4}.error-banner{background:var(--red-dim);border:1px solid var(--red);border-radius:var(--radius-sm);padding:10px 16px;font-size:.825rem;color:var(--red);margin-bottom:8px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent-1);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;flex-direction:column;gap:16px;color:var(--text-secondary)}@media(max-width:768px){:root{--sidebar-width: 280px}.sidebar{position:fixed;left:-280px;top:0;height:100vh;z-index:100;transition:left var(--transition-slow)}.sidebar.open{left:0}.example-prompts{grid-template-columns:1fr}.messages-container{padding:16px}.chat-input-area{padding:12px 16px 20px}.chat-topbar{padding:12px 16px}}