@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--bg-base: #0A0A0A;--bg-surface: #0F0F0F;--bg-elevated: #141414;--bg-hover: #1C1C1C;--bg-active: #242424;--border: rgba(255, 255, 255, .06);--border-hover: rgba(255, 255, 255, .12);--text-primary: #ECECEC;--text-secondary: #9A9A9A;--text-muted: #5A5A5A;--accent: #00FF9F;--accent-dim: rgba(0, 255, 159, .12);--accent-glow: rgba(0, 255, 159, .25);--neon-green: #39FF14;--cyan: #00E5FF;--user-blue: #3B82F6;--user-blue-dim: rgba(59, 130, 246, .12);--sidebar-w: 264px;--topbar-h: 52px;color-scheme:dark;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--bg-base);color:var(--text-primary);overflow:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff0f;border-radius:8px}::-webkit-scrollbar-thumb:hover{background:#ffffff1f}.app-layout{display:flex;height:100vh;overflow:hidden;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100vh;transition:transform .25s cubic-bezier(.4,0,.2,1);z-index:200}.sidebar-header{padding:14px 16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border)}.logo-mark{width:28px;height:28px;position:relative;display:flex;align-items:center;justify-content:center}.logo-text{font-size:17px;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,var(--accent),var(--neon-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.new-chat-btn{margin:10px 12px 6px;padding:9px 14px;background:transparent;border:1px solid var(--border);border-radius:10px;color:var(--text-primary);font-size:13px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .15s ease;font-family:inherit}.new-chat-btn:hover{background:var(--bg-hover);border-color:var(--border-hover)}.new-chat-btn svg{opacity:.7}.conv-list{flex:1;overflow-y:auto;padding:4px 8px}.conv-item{padding:9px 12px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--text-secondary);transition:all .12s ease;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;justify-content:space-between;gap:8px;line-height:1.4}.conv-item:hover{background:var(--bg-hover);color:var(--text-primary)}.conv-item.active{background:var(--accent-dim);color:var(--accent)}.conv-item .title{overflow:hidden;text-overflow:ellipsis;flex:1}.conv-item .del{opacity:0;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:12px;padding:2px 4px;border-radius:4px;transition:all .1s;flex-shrink:0;line-height:1}.conv-item:hover .del{opacity:1}.conv-item .del:hover{color:#ef4444;background:#ef44441a}.conv-empty{padding:32px 12px;color:var(--text-muted);font-size:12px;text-align:center;line-height:1.6}.sidebar-footer{padding:12px 14px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}.avatar-circle{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#fff;flex-shrink:0}.avatar-user{background:linear-gradient(135deg,var(--user-blue),#6366F1)}.sidebar-user-name{font-size:13px;font-weight:500;color:var(--text-primary)}.sidebar-user-status{font-size:11px;color:var(--text-muted)}.main-area{flex:1;display:flex;flex-direction:column;height:100vh;min-width:0;background:var(--bg-base)}.topbar{height:var(--topbar-h);min-height:var(--topbar-h);padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:#0a0a0ad9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.topbar-left{display:flex;align-items:center;gap:10px}.hamburger{display:none;background:none;border:none;color:var(--text-secondary);font-size:18px;cursor:pointer;padding:4px;line-height:1}.topbar-brand{font-size:15px;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,var(--accent),var(--neon-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.topbar-sub{font-size:11px;color:var(--text-muted);letter-spacing:.01em}.topbar-right{display:flex;align-items:center;gap:8px}.x-link{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);text-decoration:none;font-weight:800;font-size:14px;transition:all .15s ease}.x-link:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-area{flex:1;overflow-y:auto;display:flex;flex-direction:column}.chat-scroll{max-width:720px;width:100%;margin:0 auto;padding:20px 16px;flex:1;display:flex;flex-direction:column}.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:40px 16px}.welcome-icon{width:64px;height:64px;border-radius:20px;background:linear-gradient(135deg,#00ff9f14,#39ff140a);border:1px solid rgba(0,255,159,.12);display:flex;align-items:center;justify-content:center;margin-bottom:4px}.welcome h2{font-size:22px;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,var(--accent),var(--neon-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome p{font-size:13px;color:var(--text-muted);max-width:380px;text-align:center;line-height:1.6}.suggestions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;justify-content:center;max-width:480px}.suggestion{padding:8px 16px;border:1px solid var(--border);border-radius:24px;background:var(--bg-elevated);color:var(--text-secondary);font-size:13px;font-family:inherit;cursor:pointer;transition:all .15s ease;white-space:nowrap}.suggestion:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.msg{display:flex;gap:10px;margin-bottom:16px;animation:msgSlide .25s cubic-bezier(.4,0,.2,1);max-width:100%}@keyframes msgSlide{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.msg.user{flex-direction:row-reverse}.msg-avatar{width:28px;height:28px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:2px;font-size:13px;font-weight:600}.msg.grok .msg-avatar{background:linear-gradient(135deg,#0a2e22,#0d3328);border:1px solid rgba(0,255,159,.2);box-shadow:0 0 10px #00ff9f1a}.msg.user .msg-avatar{background:linear-gradient(135deg,var(--user-blue),#6366F1);color:#fff}.msg-body{max-width:72%;min-width:0}.msg-bubble{padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.65;word-wrap:break-word;overflow-wrap:break-word}.msg.user .msg-bubble{background:var(--user-blue-dim);border:1px solid rgba(59,130,246,.1);border-top-right-radius:4px;color:var(--text-primary)}.msg.grok .msg-bubble{background:#00ff9f0a;border:1px solid rgba(0,255,159,.06);border-top-left-radius:4px;color:var(--text-primary)}.msg-time{font-size:10px;color:var(--text-muted);margin-top:3px;padding:0 4px;opacity:.6}.msg.user .msg-time{text-align:right}.typing{display:flex;gap:10px;margin-bottom:16px;animation:msgSlide .25s ease}.typing .msg-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#0a2e22,#0d3328);border:1px solid rgba(0,255,159,.2);box-shadow:0 0 10px #00ff9f1a;display:flex;align-items:center;justify-content:center;flex-shrink:0}.typing-dots{display:flex;align-items:center;gap:4px;padding:10px 14px;background:#00ff9f0a;border:1px solid rgba(0,255,159,.06);border-radius:4px 14px 14px}.typing-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.4s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,60%,to{opacity:.15;transform:scale(.75)}30%{opacity:1;transform:scale(1)}}.input-area{padding:12px 16px 16px;background:var(--bg-base)}.input-wrap{max-width:720px;margin:0 auto}.input-box{display:flex;align-items:flex-end;background:var(--bg-elevated);border:1px solid var(--border);border-radius:14px;padding:4px;transition:border-color .15s ease,box-shadow .15s ease}.input-box:focus-within{border-color:#00ff9f33;box-shadow:0 0 0 2px #00ff9f0a}.chat-input{flex:1;background:transparent;border:none;outline:none;color:var(--text-primary);font-size:14px;font-family:inherit;padding:9px 12px;resize:none;max-height:120px;line-height:1.5}.chat-input::placeholder{color:var(--text-muted)}.send-btn{width:34px;height:34px;border-radius:10px;border:none;background:linear-gradient(135deg,var(--accent),var(--neon-green));color:#000;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0;font-weight:700}.send-btn:hover:not(:disabled){transform:scale(1.06);box-shadow:0 0 20px #00ff9f4d}.send-btn:disabled{opacity:.2;cursor:not-allowed}.input-hint{text-align:center;margin-top:6px;font-size:10px;color:var(--text-muted);opacity:.6}.overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:199;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.overlay.open{display:block}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;bottom:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.hamburger{display:flex}.topbar-sub{display:none}.msg-body{max-width:85%}.suggestions{flex-direction:column;align-items:center}}.msg-bubble code{background:#ffffff0f;padding:1px 5px;border-radius:4px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12.5px}.msg-bubble pre{background:#0000004d;padding:10px 12px;border-radius:8px;overflow-x:auto;margin:6px 0}.msg-bubble pre code{background:none;padding:0}