:root{--bg-color:#0f172a;--panel-bg:#1e293bb3;--glass-border:#ffffff1a;--primary:#8b5cf6;--primary-hover:#7c3aed;--text-main:#f8fafc;--text-muted:#94a3b8;--user-msg:#8b5cf6cc;--ai-msg:#1e293be6}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-main);background:linear-gradient(-45deg,#050505,#110e25,#0a0f24,#120a1f) 0 0/400% 400%;justify-content:center;align-items:center;min-height:100vh;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;animation:15s infinite gradientBG;display:flex;position:relative;overflow:hidden}body:before{content:"";z-index:-1;pointer-events:none;background-color:#0000;background-image:linear-gradient(#8b5cf60a 1px,#0000 1px),linear-gradient(90deg,#38bdf80a 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:40px 40px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;width:100vw;height:100vh;animation:20s linear infinite gridMove;position:fixed;top:0;left:0}@keyframes gradientBG{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}@keyframes gridMove{0%{background-position:0 0}to{background-position:40px 40px}}@keyframes containerGlow{0%{box-shadow:0 0 30px #8b5cf626,inset 0 0 10px #ffffff05}to{box-shadow:0 0 60px #38bdf840,inset 0 0 20px #ffffff0d}}#root{flex-direction:column;justify-content:center;align-items:center;width:100%;height:100vh;padding:1rem;display:flex}.chat-container{background:var(--panel-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;flex-direction:column;width:100%;max-width:900px;height:90vh;animation:4s ease-in-out infinite alternate containerGlow;display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--glass-border);background:#0f172a66;align-items:center;gap:1rem;padding:1.5rem;display:flex}.chat-header h1{letter-spacing:-.025em;background:linear-gradient(90deg,#a78bfa,#38bdf8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.25rem;font-weight:600}.message-list{scroll-behavior:smooth;flex-direction:column;flex:1;gap:1.5rem;padding:1.5rem;display:flex;overflow-y:auto}.message-list::-webkit-scrollbar{width:6px}.message-list::-webkit-scrollbar-track{background:0 0}.message-list::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}.message-list::-webkit-scrollbar-thumb:hover{background:#fff3}.message-wrapper{width:100%;display:flex}.message-wrapper.user{justify-content:flex-end}.message-wrapper.ai{justify-content:flex-start}.message-bubble{white-space:pre-wrap;border-radius:20px;max-width:80%;padding:1rem 1.25rem;font-size:.95rem;line-height:1.5;animation:.3s cubic-bezier(.16,1,.3,1) forwards slideUp;position:relative}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.message-wrapper.user .message-bubble{background:var(--user-msg);color:#fff;border-bottom-right-radius:4px}.message-wrapper.ai .message-bubble{background:var(--ai-msg);border:1px solid var(--glass-border);color:var(--text-main);border-bottom-left-radius:4px}.input-area{border-top:1px solid var(--glass-border);background:#0f172a99;padding:1.25rem}.input-form{align-items:flex-end;gap:.75rem;display:flex}.textarea-container{border:1px solid var(--glass-border);background:#0f172acc;border-radius:16px;flex:1;transition:border-color .2s,box-shadow .2s;position:relative}.textarea-container:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px #8b5cf633}.chat-input{width:100%;color:var(--text-main);resize:none;background:0 0;border:none;outline:none;min-height:52px;max-height:150px;padding:1rem;font-family:inherit;font-size:.95rem}.chat-input::placeholder{color:var(--text-muted)}.send-button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;transition:all .2s;display:flex}.send-button:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #8b5cf666}.send-button:disabled{background:var(--glass-border);color:var(--text-muted);cursor:not-allowed;box-shadow:none;transform:none}.typing-indicator{gap:4px;padding:.5rem 0;display:flex}.typing-dot{background:var(--text-muted);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both typing}.typing-dot:first-child{animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{opacity:.5;transform:scale(0)}40%{opacity:1;transform:scale(1)}}.empty-state{height:100%;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:1rem;display:flex}.empty-state-icon{color:var(--primary);background:#8b5cf61a;border-radius:50%;margin-bottom:.5rem;padding:1.5rem}