:root{--primary-color: #0071e3;--primary-hover: #0077ed;--bg-dark: #000;--bg-light: #1a1a1a;--bg-card: rgba(255, 255, 255, .05);--text-primary: #fff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--border-color: rgba(255, 255, 255, .1);--user-message-bg: var(--primary-color);--assistant-message-bg: rgba(255, 255, 255, .08);--error-color: #ff3b30;--shadow: 0 8px 32px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,sans-serif;background:var(--bg-dark);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;height:100vh;overflow:hidden}.chat-container{display:flex;flex-direction:column;height:100vh;max-width:900px;margin:0 auto;background:var(--bg-light)}.chat-header{padding:1.5rem 2rem;background:linear-gradient(135deg,#0071e31a,#5856d61a);border-bottom:1px solid var(--border-color);text-align:center}.chat-header h1{font-size:1.75rem;font-weight:600;margin-bottom:.25rem;letter-spacing:-.02em}.subtitle{font-size:.875rem;color:var(--text-muted)}.chat-messages{flex:1;overflow-y:auto;padding:2rem;display:flex;flex-direction:column;gap:1.5rem;scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#fff3}.message{display:flex;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{justify-content:flex-end}.message.assistant{justify-content:flex-start}.message-content{max-width:75%;padding:1rem 1.25rem;border-radius:1.25rem;word-wrap:break-word}.message.user .message-content{background:var(--user-message-bg);color:#fff;border-bottom-right-radius:.25rem}.message.assistant .message-content{background:var(--assistant-message-bg);border-bottom-left-radius:.25rem}.message.error .message-content{background:#ff3b301a;border:1px solid var(--error-color);color:var(--error-color)}.message-content strong{display:block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;opacity:.7}.message-content p{font-size:.9375rem;line-height:1.6;white-space:pre-wrap}.loading-dots{display:flex;gap:.5rem;padding:.5rem 0}.loading-dots span{width:8px;height:8px;background:var(--primary-color);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.loading-dots span:nth-child(1){animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.chat-input-container{padding:1.5rem 2rem;background:var(--bg-light);border-top:1px solid var(--border-color)}.input-wrapper{display:flex;gap:.75rem;align-items:flex-end;background:var(--bg-card);border:1px solid var(--border-color);border-radius:1.5rem;padding:.75rem 1rem;transition:all .3s ease}.input-wrapper:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 3px #0071e31a}#userInput{flex:1;background:transparent;border:none;outline:none;color:var(--text-primary);font-size:.9375rem;font-family:inherit;resize:none;min-height:24px;max-height:150px;line-height:1.5}#userInput::-moz-placeholder{color:var(--text-muted)}#userInput::placeholder{color:var(--text-muted)}.send-button{width:40px;height:40px;border-radius:50%;background:var(--primary-color);border:none;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;flex-shrink:0}.send-button:hover:not(:disabled){background:var(--primary-hover);transform:scale(1.05)}.send-button:disabled{opacity:.5;cursor:not-allowed}.clear-button{margin-top:1rem;padding:.75rem 1.5rem;background:transparent;border:1px solid var(--border-color);border-radius:980px;color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:all .3s ease;width:100%}.clear-button:hover{background:#ffffff0d;border-color:var(--primary-color);color:var(--primary-color)}@media(max-width:768px){.chat-header{padding:1rem 1.5rem}.chat-header h1{font-size:1.5rem}.chat-messages{padding:1.5rem 1rem;gap:1rem}.message-content{max-width:85%;padding:.875rem 1rem}.chat-input-container{padding:1rem}}@media(max-width:480px){.chat-header h1{font-size:1.25rem}.message-content{max-width:90%;font-size:.875rem}}