@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap";
*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f4f4f6;--bg-card:#fff;--bg-card-hover:#fafafa;--border:#e5e5ea;--border-subtle:#f0f0f5;--text-primary:#090909;--text-secondary:#52525b;--text-muted:#a1a1aa;--accent-blue:#2563eb;--accent-indigo:#4f46e5;--gradient:linear-gradient(135deg, #2563eb, #4f46e5);--gradient-subtle:linear-gradient(135deg, #eff6ff, #eef2ff);--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 16px #00000014, 0 2px 6px #0000000a;--shadow-lg:0 8px 32px #0000001a, 0 4px 12px #0000000d;--radius-sm:12px;--radius-md:20px;--radius-lg:28px;--radius-xl:36px;--radius-pill:9999px}html,body{background:var(--bg);height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}.app-layout{flex-direction:column;min-height:100vh;display:flex}.navbar{z-index:100;-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-pill);box-shadow:var(--shadow-md);background:#ffffffd9;align-items:center;gap:32px;padding:10px 24px;display:flex;position:fixed;top:16px;left:50%;transform:translate(-50%)}.navbar-brand{color:var(--text-primary);letter-spacing:-.3px;font-family:Outfit,sans-serif;font-size:16px;font-weight:700;text-decoration:none}.navbar-brand span{background:var(--gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.navbar-tag{letter-spacing:.05em;text-transform:uppercase;color:var(--accent-blue);background:var(--gradient-subtle);border-radius:var(--radius-pill);border:1px solid #bfdbfe;padding:3px 10px;font-size:11px;font-weight:600}.main{flex-direction:column;flex:1;align-items:center;width:100%;max-width:860px;margin:0 auto;padding:100px 16px 32px;display:flex}.hero{text-align:center;margin-bottom:40px}.hero-label{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-blue);margin-bottom:16px;font-size:11px;font-weight:600;display:inline-block}.hero h1{letter-spacing:-1.5px;color:var(--text-primary);margin-bottom:16px;font-family:Outfit,sans-serif;font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.1}.hero h1 span{background:var(--gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero p{color:var(--text-secondary);max-width:460px;margin:0 auto;font-size:16px;font-weight:400;line-height:1.6}.chat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;box-shadow:var(--shadow-lg);flex-direction:column;height:560px;display:flex;overflow:hidden}.messages-container{scroll-behavior:smooth;flex-direction:column;flex:1;gap:16px;padding:28px;display:flex;overflow-y:auto}.messages-container::-webkit-scrollbar{width:4px}.messages-container::-webkit-scrollbar-track{background:0 0}.messages-container::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-pill)}.message{gap:12px;animation:.25s ease-out fadeSlideIn;display:flex}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message.user{flex-direction:row-reverse}.message-avatar{border-radius:var(--radius-pill);flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;margin-top:2px;font-size:13px;font-weight:700;display:flex}.message.assistant .message-avatar{background:var(--gradient);color:#fff;box-shadow:0 2px 8px #4f46e54d}.message.user .message-avatar{background:var(--bg);border:1px solid var(--border);color:var(--text-secondary)}.message-bubble{border-radius:var(--radius-lg);max-width:72%;padding:12px 18px;font-size:14.5px;line-height:1.65;position:relative}.message.assistant .message-bubble{background:var(--bg);border:1px solid var(--border-subtle);color:var(--text-primary);border-top-left-radius:var(--radius-sm)}.message.user .message-bubble{background:var(--gradient);color:#fff;border-top-right-radius:var(--radius-sm);box-shadow:0 2px 12px #4f46e540}.message-bubble p{margin:0 0 8px}.message-bubble p:last-child{margin-bottom:0}.message-bubble strong{font-weight:600}.message-bubble em{font-style:italic}.message-bubble ul,.message-bubble ol{flex-direction:column;gap:4px;margin:6px 0 8px 18px;display:flex}.message-bubble li{line-height:1.55}.message-bubble code{background:#00000012;border-radius:5px;padding:1px 5px;font-family:SF Mono,Fira Code,monospace;font-size:13px}.message-bubble pre{background:#0000000f;border-radius:8px;margin:8px 0;padding:10px 14px;overflow-x:auto}.message-bubble pre code{background:0 0;padding:0}.message-bubble h1,.message-bubble h2,.message-bubble h3{margin:10px 0 6px;font-family:Outfit,sans-serif;font-weight:700;line-height:1.25}.message-bubble h1{font-size:17px}.message-bubble h2{font-size:15px}.message-bubble h3{font-size:14px}.typing-indicator{align-items:center;gap:4px;height:44px;padding:12px 18px;display:flex}.typing-dot{background:var(--text-muted);border-radius:50%;width:6px;height:6px;animation:1.2s infinite typingBounce}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes typingBounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-5px)}}.input-area{border-top:1px solid var(--border-subtle);background:var(--bg-card);align-items:center;gap:10px;padding:16px 20px;display:flex}.message-input{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-pill);color:var(--text-primary);resize:none;outline:none;flex:1;max-height:120px;padding:12px 20px;font-family:Inter,sans-serif;font-size:14.5px;line-height:1.5;transition:border-color .2s,box-shadow .2s}.message-input::placeholder{color:var(--text-muted)}.message-input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #2563eb1a}.send-btn{border-radius:var(--radius-pill);background:var(--gradient);cursor:pointer;border:none;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;transition:transform .15s,box-shadow .15s,opacity .15s;display:flex;box-shadow:0 2px 8px #4f46e54d}.send-btn:hover:not(:disabled){transform:scale(1.06);box-shadow:0 4px 14px #4f46e566}.send-btn:active:not(:disabled){transform:scale(.96)}.send-btn:disabled{opacity:.45;cursor:not-allowed}.send-btn svg{color:#fff;width:18px;height:18px}.examples{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:20px;display:flex}.example-chip{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;white-space:nowrap;box-shadow:var(--shadow-sm);padding:8px 16px;font-size:13px;font-weight:500;transition:all .18s}.example-chip:hover{background:var(--gradient-subtle);color:var(--accent-blue);box-shadow:var(--shadow-md);border-color:#bfdbfe;transform:translateY(-1px)}.footer{text-align:center;color:var(--text-muted);padding:20px 16px;font-size:12px}@media (max-width:640px){.navbar{gap:16px;padding:8px 16px;top:8px}.main{padding:88px 12px 24px}.chat-card{border-radius:var(--radius-lg);height:520px}.message-bubble{max-width:88%}.examples{gap:6px}.example-chip{padding:6px 12px;font-size:12px}}