:root{--bg-primary:#121212;--bg-secondary:#1e1e1e;--bg-tertiary:#2a2a2a;--text-primary:#fff;--text-secondary:#a0a0a0;--accent-color:#3b82f6;--accent-hover:#2563eb;--border-color:#ffffff1a;--glass-bg:#1e1e1e99;--glass-border:#ffffff0d;--user-msg-bg:#2b313e;--ai-msg-bg:transparent;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100vh;font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);overflow:hidden}.app-container{width:100vw;height:100vh;display:flex}.sidebar{background-color:var(--bg-secondary);border-right:1px solid var(--border-color);flex-direction:column;width:260px;transition:width .3s;display:flex}@media (max-width:768px){.sidebar{z-index:10;height:100%;position:absolute;transform:translate(-100%)}.sidebar.open{transform:translate(0)}}.new-chat-btn{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;border-radius:.5rem;align-items:center;gap:.5rem;margin:1rem;padding:.75rem 1rem;font-size:.9rem;transition:background-color .2s;display:flex}.new-chat-btn:hover{background-color:#ffffff1a}.chat-history{flex:1;padding:0 1rem;overflow-y:auto}.main-content{background-color:var(--bg-primary);flex-direction:column;flex:1;display:flex;position:relative}.header{border-bottom:1px solid var(--border-color);background-color:var(--glass-bg);-webkit-backdrop-filter:blur(10px);align-items:center;height:60px;padding:0 1rem;display:flex}.menu-toggle{color:var(--text-primary);cursor:pointer;background:0 0;border:none;margin-right:1rem;font-size:1.5rem;display:none}@media (max-width:768px){.menu-toggle{display:block}}.chat-area{scroll-behavior:smooth;flex-direction:column;flex:1;padding:2rem 0;display:flex;overflow-y:auto}.message-wrapper{justify-content:center;padding:1.5rem 1rem;display:flex}.message-wrapper.user{background-color:var(--user-msg-bg)}.message-wrapper.ai{background-color:var(--ai-msg-bg)}.message-content{gap:1.5rem;width:100%;max-width:800px;font-size:1rem;line-height:1.6;display:flex}.avatar{border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-weight:700;display:flex}.avatar.user{background-color:var(--accent-color)}.avatar.ai{background-color:#10a37f}.input-area-wrapper{background:linear-gradient(180deg, #12121200 0%, var(--bg-primary) 50%);justify-content:center;padding:1.5rem;display:flex}.input-container{background-color:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:1rem;align-items:flex-end;width:100%;max-width:800px;padding:.5rem;display:flex;position:relative;box-shadow:0 0 15px #0000001a}.chat-input{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:44px;max-height:200px;padding:.75rem;font-family:inherit;font-size:1rem}.chat-input::placeholder{color:var(--text-secondary)}.send-btn{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:.5rem;justify-content:center;align-items:center;width:32px;height:32px;margin-bottom:.5rem;margin-right:.5rem;transition:background-color .2s;display:flex}.send-btn:hover:not(:disabled){background-color:var(--accent-hover)}.send-btn:disabled{background-color:var(--bg-secondary);color:var(--text-secondary);cursor:not-allowed}.prose{color:var(--text-primary)}.prose p{margin-bottom:1rem}.prose pre{background-color:#000;border-radius:.5rem;margin:1rem 0;padding:1rem;overflow-x:auto}.prose code{background-color:#ffffff1a;border-radius:.25rem;padding:.2rem .4rem;font-family:monospace}.prose pre code{background-color:#0000;padding:0}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.typing-indicator{gap:.2rem;display:inline-flex}.typing-dot{background-color:var(--text-primary);border-radius:50%;width:4px;height:4px;animation:1.5s infinite pulse}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}.module-container{background-color:var(--bg-primary);flex-direction:column;min-height:100vh;display:flex}.module-header{color:#fff;text-align:center;padding:3rem 2rem}.module-header h1{margin-bottom:.5rem;font-size:2.5rem;font-weight:800}.module-content{z-index:10;width:100%;max-width:800px;margin:-2rem auto 2rem;padding:0 1rem;position:relative}.input-card,.result-card{background-color:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:1rem;padding:2rem;box-shadow:0 10px 30px #0003}.input-card h2,.result-card h2{color:var(--text-primary);margin-bottom:1rem;font-size:1.25rem}.w-full{width:100%}.p-3{padding:.75rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.rounded{border-radius:.5rem}.bg-tertiary{background-color:var(--bg-tertiary)}.text-white{color:#fff}.h-32{height:8rem}.border-glass{border-color:var(--glass-border)}.btn-primary{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:.5rem;padding:.75rem 1.5rem;font-weight:600;transition:background-color .2s}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-success{color:#fff;cursor:pointer;background-color:#10b981;border:none;border-radius:.5rem;width:100%;padding:.75rem 1.5rem;font-weight:600;transition:background-color .2s}.btn-success:hover{background-color:#059669}.toc-list{padding-left:0;list-style-type:none}.toc-list li{border-bottom:1px solid var(--glass-border);color:var(--text-secondary);padding:.75rem}.toc-list li:last-child{border-bottom:none}.hub-container{background:radial-gradient(circle at top center, var(--bg-tertiary) 0%, var(--bg-primary) 100%);flex-direction:column;align-items:center;min-height:100vh;padding:4rem 2rem;display:flex}.hub-header{text-align:center;margin-bottom:4rem}.hub-header h1{background:linear-gradient(90deg,#3b82f6,#8b5cf6,#ec4899);color:#0000;-webkit-background-clip:text;margin-bottom:1rem;font-size:3rem;font-weight:800}.hub-header p{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.25rem}.hub-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;width:100%;max-width:1200px;display:grid}.hub-card{background-color:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-primary);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:1rem;flex-direction:column;align-items:flex-start;padding:2rem;text-decoration:none;transition:all .3s;display:flex}.hub-card:hover{border-color:#fff3;transform:translateY(-5px);box-shadow:0 10px 30px #0000004d}.hub-icon-wrapper{border-radius:.75rem;justify-content:center;align-items:center;width:3rem;height:3rem;margin-bottom:1.5rem;font-size:1.5rem;display:flex}.hub-card h3{margin-bottom:.5rem;font-size:1.25rem;font-weight:600}.hub-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.5}.bg-gradient-to-br{background-image:linear-gradient(to bottom right, var(--tw-gradient-stops))}.from-blue-500{--tw-gradient-from:#3b82f6;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#3b82f600)}.to-cyan-400{--tw-gradient-to:#22d3ee}.from-purple-500{--tw-gradient-from:#a855f7;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#a855f700)}.to-pink-500{--tw-gradient-to:#ec4899}.from-orange-400{--tw-gradient-from:#fb923c;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#fb923c00)}.to-red-500{--tw-gradient-to:#ef4444}.from-green-400{--tw-gradient-from:#4ade80;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#4ade8000)}.to-emerald-600{--tw-gradient-to:#059669}.from-indigo-500{--tw-gradient-from:#6366f1;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#6366f100)}.to-blue-600{--tw-gradient-to:#2563eb}.from-yellow-400{--tw-gradient-from:#facc15;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#facc1500)}.to-orange-500{--tw-gradient-to:#f97316}