.home-page{height:100vh;display:flex;align-items:center;justify-content:center;font-family:monospace;transition:background-color .3s,color .3s;position:relative}.home-page.light{background-color:#fff;color:#000}.home-page.dark{background-color:#0a0a2a;color:#fff}.home-page .toggle-btn{position:absolute;top:20px;right:20px;width:48px;height:48px;border:none;border-radius:8px;background:#48018f;color:#fff;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s}.home-page .toggle-btn:active{transform:scale(.9)}.home-page .typing{display:flex;align-items:center;font-size:3rem;font-weight:700;color:#48018f}.home-page .cursor{margin-left:5px;font-size:2.5rem;font-weight:700;color:#48018f;animation:blink .7s steps(2,start) infinite}@keyframes blink{to{visibility:hidden}}.home-page .chat-link{position:absolute;bottom:20px;right:20px;background:#48018f;color:#fff;padding:10px 14px;border-radius:6px;font-weight:600;text-decoration:none;transition:transform .2s}.home-page .chat-link:hover{transform:scale(1.05)}:root{--bg: #f5f7fb;--card: #ffffff;--user: #0b74ff;--bot: #e6eefc;--text: #0b1b3b}html,body,#root{height:100%;margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:var(--bg)}.app{display:flex;align-items:center;justify-content:center;height:100%;padding:20px}.chat-window{width:480px;max-width:95%;height:640px;background:var(--card);border-radius:12px;box-shadow:0 6px 20px #00000014;display:flex;flex-direction:column;overflow:hidden}.header{padding:14px 16px;font-weight:600;border-bottom:1px solid #f0f0f0}.messages{flex:1;padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,#fbfdff,#f7fbff)}.message{display:flex}.message.user{justify-content:flex-end}.message.bot{justify-content:flex-start}.bubble{max-width:75%;padding:10px 14px;border-radius:14px;line-height:1.3;word-wrap:break-word;white-space:pre-wrap}.message.bot .bubble{background:var(--bot);color:var(--text);border-radius:14px 14px 14px 6px}.message.user .bubble{background:var(--user);color:#fff;border-radius:14px 14px 6px}.input-area{display:flex;gap:8px;padding:12px;border-top:1px solid #eee}.input-area input{flex:1;padding:10px 12px;border-radius:8px;border:1px solid #ddd;outline:none;font-size:14px}.input-area button{padding:10px 14px;border-radius:8px;border:none;background:var(--user);color:#fff;cursor:pointer;font-weight:600}.input-area button:disabled{opacity:.6;cursor:not-allowed}