:root{--primary: #0284c7;--primary-dark: #0369a1;--text-primary: #0f172a;--text-secondary: #475569;--bg-light: #f8fafc;--bg-white: #ffffff;--border: #e2e8f0;--user-msg: #0284c7;--assistant-msg: #f1f5f9;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;line-height:1.5;color:var(--text-primary);background-color:var(--bg-light);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-height:100vh;background:var(--bg-light)}#app{width:100%;height:100vh;display:flex}.chat-container{width:100%;height:100vh;background:var(--bg-light);display:flex;flex-direction:column;overflow:hidden}.messages{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;background:var(--bg-light)}.messages::-webkit-scrollbar{width:8px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.messages::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.message{display:flex;gap:.75rem;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{flex-direction:row-reverse}.message-avatar{width:2.5rem;height:2.5rem;border-radius:50%;background:var(--bg-white);display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0;box-shadow:var(--shadow)}.message.user .message-avatar{background:var(--user-msg)}.message-content{max-width:70%;display:flex;flex-direction:column;gap:.25rem}.message.user .message-content{align-items:flex-end}.message-text{padding:.875rem 1.125rem;border-radius:1.125rem;line-height:1.5;word-wrap:break-word;white-space:pre-wrap}.message.user .message-text{background:var(--user-msg);color:#fff;border-bottom-right-radius:.375rem}.message.assistant .message-text{background:var(--bg-white);color:var(--text-primary);border-bottom-left-radius:.375rem;box-shadow:var(--shadow)}.message-time{font-size:.75rem;color:var(--text-secondary);padding:0 .5rem}.input-container{padding:1.5rem;background:var(--bg-white);border-top:1px solid var(--border);display:flex;gap:.75rem}#message-input{flex:1;padding:.875rem 1.125rem;border:2px solid var(--border);border-radius:1.5rem;font-size:.9375rem;font-family:inherit;color:var(--text-primary);background:var(--bg-light);transition:all .2s ease;outline:none}#message-input:focus{border-color:var(--primary);background:var(--bg-white);box-shadow:0 0 0 3px #0284c71a}#message-input:disabled{opacity:.6;cursor:not-allowed}#message-input::placeholder{color:var(--text-secondary);opacity:.6}#send-button{width:3rem;height:3rem;border:none;border-radius:50%;background:var(--primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0}#send-button:hover:not(:disabled){background:var(--primary-dark);transform:scale(1.05)}#send-button:active:not(:disabled){transform:scale(.95)}#send-button:disabled{opacity:.6;cursor:not-allowed}.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.prompt-selector{position:absolute;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:1.5rem;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.prompt-selector-content{background:var(--bg-white);border-radius:1.5rem;padding:2.5rem;max-width:500px;width:100%;box-shadow:var(--shadow-lg);animation:slideUp .4s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.prompt-selector-content h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:.75rem;text-align:center}.prompt-selector-content p{font-size:1rem;color:var(--text-secondary);margin-bottom:2rem;text-align:center}.prompt-options{display:flex;gap:1rem;flex-wrap:wrap}.prompt-option{flex:1;min-width:150px;padding:1.5rem 1rem;background:var(--bg-light);border:2px solid var(--border);border-radius:1rem;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:.75rem;transition:all .2s ease;font-family:inherit;font-size:1rem}.prompt-option:hover{background:var(--bg-white);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}.prompt-option:active{transform:translateY(0)}.prompt-icon{font-size:3rem;line-height:1}.prompt-label{font-weight:600;color:var(--text-primary);font-size:1.125rem}@media(max-width:768px){.messages{padding:1rem}.message-content{max-width:80%}.input-container{padding:1rem}}@media(max-width:480px){.message-content{max-width:85%}.message-text{padding:.75rem 1rem;font-size:.9375rem}#message-input{font-size:1rem}}