:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-color: #33a9cd;--primary-dark: #237a95;--primary-light: #5dc5e6;--text-main: #ffffff;--text-secondary: #e0e0e0;--bg-chat-bubble-me: #ffffff;--text-chat-bubble-me: #33a9cd;--bg-chat-bubble-bot: #237a95;--text-chat-bubble-bot: #ffffff;--font-family: "Roboto Mono", monospace;--header-height: 70px;--font-size-hero: 2.5rem;--font-size-body: 1rem;--border-radius: 8px}*{box-sizing:border-box;margin:0;padding:0}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden}.app-container{display:flex;flex-direction:column;width:100vw;height:100vh;max-width:none;margin:0;background-color:var(--primary-color)}.messages-area{flex:1;width:100%;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:15px}.main-header,.chat-header{height:var(--header-height);width:100%;padding:0 20px;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(180deg,var(--primary-dark) 0%,var(--primary-color) 100%)}.logo{font-weight:700;font-size:1.5rem;letter-spacing:-1px}.hamburger-btn{background:none;border:none;color:var(--text-main);font-size:2rem;cursor:pointer}.mobile-menu{position:absolute;top:var(--header-height);left:0;right:0;background-color:var(--primary-dark);padding:20px;display:flex;flex-direction:column;gap:15px;z-index:100;box-shadow:0 10px 20px #0003}.menu-item{color:var(--text-main);text-decoration:none;font-size:1.2rem;padding:10px;border:1px solid rgba(255,255,255,.2);text-align:center;cursor:pointer;background:none}.login-link{font-weight:700;background:#ffffff1a}.hero-section{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px}.hero-title{font-size:var(--font-size-hero);font-weight:700;margin-bottom:10px;text-transform:uppercase}.hero-subtitle{font-size:1.1rem;font-weight:300;opacity:.9;line-height:1.5}.main-footer{padding:20px;text-align:center;font-size:.8rem;color:var(--text-secondary);border-top:1px solid rgba(255,255,255,.2)}.footer-links{margin-bottom:15px;display:flex;justify-content:center;gap:20px}.footer-links a{color:var(--text-main);text-decoration:none;text-transform:uppercase;border-bottom:1px dotted white}.user-profile{display:flex;align-items:center;gap:10px}.user-profile img{width:35px;height:35px;border-radius:50%;border:2px solid white}.logout-btn{background:none;border:1px solid white;color:#fff;padding:5px 10px;font-family:var(--font-family);cursor:pointer;font-size:.8rem}.header-actions{display:flex;gap:10px;align-items:center}.notif-btn{background-color:#fff3;border:1px solid white;color:#fff;padding:5px 12px;border-radius:20px;cursor:pointer;font-size:.8rem;font-weight:700;transition:background .2s}.notif-btn:hover{background-color:#fff6}.message{width:100%;max-width:1000px;display:flex;margin:0 auto 10px}.empty-state{text-align:center;margin-top:50px;opacity:.7}.message{display:flex;width:100%}.message.me{justify-content:flex-end}.message.bot{justify-content:flex-start}.bubble{padding:12px 18px;max-width:600px;border-radius:var(--border-radius);font-size:.95rem;line-height:1.4;box-shadow:0 2px 5px #0000001a;word-wrap:break-word}.me .bubble{background-color:var(--bg-chat-bubble-me);color:var(--text-chat-bubble-me);border-bottom-right-radius:0}.bot .bubble{background-color:var(--bg-chat-bubble-bot);color:var(--text-chat-bubble-bot);border-bottom-left-radius:0;border:1px solid rgba(255,255,255,.3)}.input-container{padding:15px;background:linear-gradient(0deg,var(--primary-dark) 0%,var(--primary-color) 100%)}.input-box{display:flex;gap:10px;background:#ffffff1a;padding:5px;border-radius:var(--border-radius);border:1px solid rgba(255,255,255,.3)}input{flex:1;background:transparent;border:none;color:#fff;padding:10px;font-family:var(--font-family);font-size:1rem;outline:none}input::placeholder{color:#fff9}button[type=submit]{background:#fff;color:var(--primary-color);border:none;font-weight:700;padding:0 15px;border-radius:4px;cursor:pointer}.message-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.action-btn{background-color:#fff3;border:1px solid rgba(255,255,255,.4);color:inherit;padding:5px 10px;border-radius:15px;cursor:pointer;font-size:.85rem;transition:background .2s}.action-btn:hover{background-color:#fff6}.message.me .action-btn{background-color:#0000001a;border-color:#0003}.voice-btn{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;border-radius:50%;width:45px;height:45px;display:flex;justify-content:center;align-items:center;cursor:pointer;font-size:1.2rem;transition:all .2s ease;margin-right:10px}.voice-btn:hover{background:#ffffff1a}.voice-btn.listening{background-color:#f003;border-color:#f44;color:#f44;animation:pulse 1.5s infinite}@keyframes pulse{0%{box-shadow:0 0 #f446}70%{box-shadow:0 0 0 10px #f440}to{box-shadow:0 0 #f440}}