.chat-body{margin:0;padding:0;height:100vh;overflow:hidden;font-family:Hubot Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#ffe5e5!important;position:relative}body.dark-mode.chat-body{background:repeating-linear-gradient(to bottom,#2e1a1a 0% 2%,#281717 2% 4%,#221414 4% 6%,#1c1111 6% 8%,#160e0e 8% 10%,#100c0c 10% 12%,#0a0a0a 12% 100%)!important}.snow-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1;overflow:hidden}.snow-container canvas{display:block;width:100%;height:100%}.chat-container{display:flex;flex-direction:column;height:100vh;background:transparent;transition:background-color .3s;position:relative;z-index:2}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem 2rem;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.1);box-shadow:0 2px 20px #0000000d;flex-shrink:0}body.dark-mode .chat-header{background:#0f0f0ff2;border-bottom-color:#ffffff1a;box-shadow:0 2px 20px #0000004d}.chat-header h1{font-size:1.5rem;font-weight:700;margin:0;color:#1a1a1a;background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}body.dark-mode .chat-header h1{background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.back-button{width:40px;height:40px;border-radius:50%;background:#ffffffe6;border:2px solid rgba(255,107,107,.3);display:flex;align-items:center;justify-content:center;text-decoration:none;color:#ff6b6b;transition:all .3s;cursor:pointer;box-shadow:0 2px 8px #0000001a}body.dark-mode .back-button{background:#1a1a1ae6;border-color:#ff6b6b4d;color:#ff6b6b}.back-button:hover{transform:scale(1.1);background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);color:#fff;border-color:transparent;box-shadow:0 4px 15px #ff6b6b66}body.dark-mode .back-button:hover{background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);color:#fff;box-shadow:0 4px 15px #ff6b6b66}.back-button svg{width:20px;height:20px}.theme-toggle{width:40px;height:40px;border-radius:50%;background:#ffffffe6;border:2px solid rgba(255,107,107,.3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s;box-shadow:0 2px 8px #0000001a}body.dark-mode .theme-toggle{background:#1a1a1ae6;border-color:#ff6b6b4d}.theme-toggle:hover{transform:scale(1.1);box-shadow:0 4px 15px #ff6b6b4d;background:#ff6b6b1a}body.dark-mode .theme-toggle:hover{box-shadow:0 4px 15px #ff6b6b4d;background:#ff6b6b1a}.theme-toggle svg{stroke:#ff6b6b}body.dark-mode .theme-toggle svg{stroke:#e5e5e5}.chat-messages{flex:1;overflow-y:auto;padding:2rem;display:flex;flex-direction:column;gap:1rem;max-width:1000px;margin:0 auto;width:100%}.sample-questions{display:flex;flex-wrap:wrap;gap:.75rem;margin:1rem 0;justify-content:center}.sample-question{padding:.75rem 1.25rem;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,107,107,.2);border-radius:20px;font-size:.9rem;color:#1a1a1a;cursor:pointer;transition:all .3s;font-weight:500;box-shadow:0 2px 8px #0000000d}body.dark-mode .sample-question{background:#1a1a1ae6;border-color:#ff6b6b33;color:#e5e5e5}.sample-question:hover{background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:0 6px 20px #ff6b6b66}body.dark-mode .sample-question:hover{background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);color:#fff;border-color:transparent;box-shadow:0 6px 20px #ff6b6b66}.chat-messages{scrollbar-width:none;-ms-overflow-style:none}.chat-messages::-webkit-scrollbar{display:none}.message{display:flex;gap:.75rem;animation:messageSlideIn .3s ease-out}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{justify-content:flex-end}.message.ai{justify-content:flex-start}.message.system{justify-content:center}.message-bubble{max-width:70%;padding:1rem 1.25rem;border-radius:20px;line-height:1.6;word-wrap:break-word;box-shadow:0 2px 10px #0000001a;position:relative}.message.user .message-bubble{background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);color:#fff;border-bottom-right-radius:4px;box-shadow:0 4px 15px #ff6b6b66}body.dark-mode .message.user .message-bubble{background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);color:#fff;box-shadow:0 4px 15px #ff6b6b66}.message.ai .message-bubble{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#1a1a1a;border-bottom-left-radius:4px;border:1px solid rgba(0,0,0,.05)}body.dark-mode .message.ai .message-bubble{background:#1a1a1af2;color:#e5e5e5;border:1px solid rgba(255,255,255,.1);box-shadow:0 2px 10px #0000004d}.message.system .message-bubble{background:transparent;color:#888;font-size:.875rem;font-style:italic;text-align:center;padding:.5rem 1rem;box-shadow:none}.chat-input-container{padding:1.5rem 2rem;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(0,0,0,.1);box-shadow:0 -2px 20px #0000000d;flex-shrink:0}body.dark-mode .chat-input-container{background:#0f0f0ff2;border-top-color:#ffffff1a;box-shadow:0 -2px 20px #0000004d}.chat-form{display:flex;gap:.75rem;align-items:center}.message-input{flex:1;padding:1rem 1.25rem;border:2px solid rgba(0,0,0,.1);border-radius:24px;font-size:1rem;font-family:inherit;background:#ffffffe6;color:#1a1a1a;transition:all .3s;outline:none;box-shadow:0 2px 8px #0000000d}body.dark-mode .message-input{background:#1a1a1ae6;color:#e5e5e5;border-color:#ffffff1a}.message-input:focus{border-color:#ff6b6b;box-shadow:0 4px 12px #ff6b6b33;background:#fff}body.dark-mode .message-input:focus{border-color:#ff6b6b;box-shadow:0 4px 12px #ff6b6b33;background:#1a1a1a}.send-button{width:50px;height:50px;border-radius:50%;background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s;flex-shrink:0;box-shadow:0 4px 15px #ff6b6b66}body.dark-mode .send-button{background:linear-gradient(to bottom,#ff6b6b 0% 20%,#fa6169 20% 40%,#f55867 40% 60%,#f14e66 60% 80%,#ee5a6f 80% 100%);color:#fff;box-shadow:0 4px 15px #ff6b6b66}.send-button:hover{transform:scale(1.1);box-shadow:0 6px 20px #ff6b6b80}body.dark-mode .send-button:hover{box-shadow:0 6px 20px #ff6b6b80}.send-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.send-button svg{width:24px;height:24px}.loading-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;flex-direction:column;gap:1rem;z-index:1000}.loading-overlay.active{display:flex}.loading-spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay p{color:#fff;font-size:1.1rem;font-weight:500}@media (max-width: 768px){.chat-header{padding:1rem 1.5rem}.chat-header h1{font-size:1.25rem}.chat-messages{padding:1.5rem 1rem}.message-bubble{max-width:85%}.chat-input-container{padding:1rem 1.5rem}.message-input{font-size:16px}.back-button,.theme-toggle{width:36px;height:36px}.send-button{width:44px;height:44px}}