:root{--bg-0: #06060a;--bg-1: #0c0c14;--bg-2: #12121e;--bg-3: #1a1a2a;--bg-4: #222236;--bg-hover: #2a2a40;--bg-glass: rgba(12, 12, 20, .85);--accent: #7c5cfc;--accent-light: #a78bfa;--accent-dim: rgba(124, 92, 252, .12);--accent-mid: rgba(124, 92, 252, .25);--cyan: #22d3ee;--cyan-dim: rgba(34, 211, 238, .12);--grad: linear-gradient(135deg, #7c5cfc 0%, #22d3ee 100%);--grad-subtle: linear-gradient(135deg, rgba(124,92,252,.08) 0%, rgba(34,211,238,.08) 100%);--grad-btn: linear-gradient(135deg, #7c5cfc 0%, #6d4de8 50%, #22d3ee 100%);--text-1: #eeeef5;--text-2: #9898b0;--text-3: #5a5a72;--text-accent: #a78bfa;--border-1: rgba(255,255,255,.05);--border-2: rgba(255,255,255,.1);--border-accent: rgba(124,92,252,.3);--green: #22c55e;--green-dim: rgba(34,197,94,.12);--red: #ef4444;--red-dim: rgba(239,68,68,.12);--yellow: #f59e0b;--yellow-dim: rgba(245,158,11,.12);--blue: #3b82f6;--blue-dim: rgba(59,130,246,.12);--font: "Inter", -apple-system, system-ui, sans-serif;--mono: "JetBrains Mono", "Fira Code", monospace;--r-sm: 6px;--r-md: 10px;--r-lg: 16px;--r-xl: 24px;--r-full: 9999px;--shadow: 0 4px 24px rgba(0,0,0,.4);--glow: 0 0 24px rgba(124,92,252,.2);--transition: .2s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--font);background:var(--bg-0);color:var(--text-1);line-height:1.6}#root{min-height:100vh}a{color:var(--accent-light);text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-3);border-radius:3px}.landing{min-height:100vh;overflow-x:hidden}.landing-nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 40px;display:flex;align-items:center;justify-content:space-between;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border-1)}.nav-brand{display:flex;align-items:center;gap:10px}.nav-logo{width:32px;height:32px;border-radius:var(--r-md);background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;color:#fff;box-shadow:var(--glow)}.nav-name{font-size:18px;font-weight:700;letter-spacing:-.5px}.nav-name span{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;align-items:center;gap:32px}.nav-links a{color:var(--text-2);font-size:14px;font-weight:500;transition:color var(--transition)}.nav-links a:hover{color:var(--text-1);text-decoration:none}.nav-cta{padding:8px 20px;background:var(--grad);color:#fff;border:none;border-radius:var(--r-full);font-family:var(--font);font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition);box-shadow:var(--glow)}.nav-cta:hover{transform:translateY(-1px);box-shadow:0 0 32px #7c5cfc59}.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:120px 24px 80px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-200px;left:50%;transform:translate(-50%);width:800px;height:800px;border-radius:50%;background:radial-gradient(circle,rgba(124,92,252,.15) 0%,rgba(34,211,238,.05) 40%,transparent 70%);pointer-events:none;animation:hero-glow 8s ease-in-out infinite}@keyframes hero-glow{0%,to{opacity:.6;transform:translate(-50%) scale(1)}50%{opacity:1;transform:translate(-50%) scale(1.1)}}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:var(--accent-dim);border:1px solid var(--border-accent);border-radius:var(--r-full);font-size:12px;color:var(--text-accent);font-weight:500;margin-bottom:32px;position:relative;z-index:1}.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}.hero h1{font-size:clamp(48px,7vw,80px);font-weight:900;letter-spacing:-2px;line-height:1.05;margin-bottom:24px;position:relative;z-index:1}.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{font-size:18px;color:var(--text-2);max-width:560px;line-height:1.7;margin-bottom:40px;position:relative;z-index:1}.hero-actions{display:flex;gap:12px;position:relative;z-index:1;flex-wrap:wrap;justify-content:center}.btn-primary{padding:14px 32px;background:var(--grad-btn);color:#fff;border:none;border-radius:var(--r-full);font-family:var(--font);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition);box-shadow:var(--glow);display:flex;align-items:center;gap:8px}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 40px #7c5cfc4d}.btn-secondary{padding:14px 32px;background:var(--bg-3);color:var(--text-1);border:1px solid var(--border-2);border-radius:var(--r-full);font-family:var(--font);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;gap:8px}.btn-secondary:hover{background:var(--bg-4);border-color:var(--border-accent)}.features{padding:80px 40px;max-width:1200px;margin:0 auto}.features-title{text-align:center;font-size:36px;font-weight:800;letter-spacing:-1px;margin-bottom:12px}.features-sub{text-align:center;color:var(--text-2);font-size:16px;margin-bottom:56px;max-width:600px;margin-left:auto;margin-right:auto}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.feature-card{padding:32px;background:var(--bg-2);border:1px solid var(--border-1);border-radius:var(--r-lg);transition:all var(--transition);position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);opacity:0;transition:opacity var(--transition)}.feature-card:hover{border-color:var(--border-accent);transform:translateY(-2px);box-shadow:var(--shadow)}.feature-card:hover:before{opacity:1}.feature-icon{width:44px;height:44px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}.feature-icon.purple{background:var(--accent-dim)}.feature-icon.cyan{background:var(--cyan-dim)}.feature-icon.green{background:var(--green-dim)}.feature-icon.blue{background:var(--blue-dim)}.feature-card h3{font-size:17px;font-weight:700;margin-bottom:8px}.feature-card p{font-size:14px;color:var(--text-2);line-height:1.6}.landing-footer{padding:40px;text-align:center;border-top:1px solid var(--border-1);color:var(--text-3);font-size:13px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-0);padding:24px;position:relative}.auth-page:before{content:"";position:absolute;top:20%;left:50%;transform:translate(-50%);width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(124,92,252,.1) 0%,transparent 70%);pointer-events:none}.auth-card{width:100%;max-width:400px;padding:40px;background:var(--bg-2);border:1px solid var(--border-2);border-radius:var(--r-xl);box-shadow:var(--shadow);position:relative;z-index:1}.auth-card .nav-brand{justify-content:center;margin-bottom:32px}.auth-card h2{font-size:22px;font-weight:700;margin-bottom:8px;text-align:center}.auth-card .auth-sub{color:var(--text-2);font-size:14px;text-align:center;margin-bottom:28px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:6px}.form-input{width:100%;padding:10px 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var(--transition);font-size:12px}.tool-ev-head:hover{background:var(--bg-hover)}.tool-ev-badge{width:18px;height:18px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:10px}.tool-ev-badge.running{background:var(--blue-dim);color:var(--blue);animation:spin 1.2s linear infinite}.tool-ev-badge.ok{background:var(--green-dim);color:var(--green)}.tool-ev-badge.err{background:var(--red-dim);color:var(--red)}@keyframes spin{to{transform:rotate(360deg)}}.tool-ev-name{font-family:var(--mono);font-weight:600;color:var(--text-accent);font-size:12px}.tool-ev-summary{color:var(--text-3);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--mono);font-size:11px}.tool-ev-chevron{opacity:.3;transition:transform .2s}.tool-ev-chevron.open{transform:rotate(180deg)}.tool-ev-body{max-height:250px;overflow-y:auto;padding:10px 12px;background:var(--bg-1);border-top:1px solid var(--border-1)}.tool-ev-body pre{font-family:var(--mono);font-size:11px;line-height:1.5;color:var(--text-2);white-space:pre-wrap;word-break:break-all}.thinking{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--grad-subtle);border:1px solid var(--border-accent);border-radius:var(--r-md);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.thinking-dots{display:flex;gap:4px}.thinking-dots span{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:bounce 1.4s ease-in-out infinite}.thinking-dots span:nth-child(2){animation-delay:.16s}.thinking-dots span:nth-child(3){animation-delay:.32s}@keyframes bounce{0%,80%,to{transform:scale(.5);opacity:.3}40%{transform:scale(1);opacity:1}}.thinking-text{font-size:12px;color:var(--text-accent);font-weight:500}.input-area{padding:12px 20px 20px;border-top:1px solid var(--border-1)}.input-wrap{max-width:840px;margin:0 auto;position:relative}.input-field{width:100%;padding:12px 52px 12px 16px;background:var(--bg-2);border:1px solid var(--border-2);border-radius:var(--r-lg);color:var(--text-1);font-family:var(--font);font-size:14px;line-height:1.5;resize:none;outline:none;transition:all var(--transition);min-height:48px;max-height:180px}.input-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim),var(--glow)}.input-field::placeholder{color:var(--text-3)}.send-btn{position:absolute;right:8px;bottom:8px;width:34px;height:34px;background:var(--grad);border:none;border-radius:var(--r-sm);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}.send-btn:hover{transform:scale(1.08);box-shadow:var(--glow)}.send-btn:disabled{opacity:.3;cursor:not-allowed;transform:none}.input-hint{text-align:center;margin-top:6px;font-size:11px;color:var(--text-3)}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:20px;text-align:center;padding:40px}.welcome-logo{width:72px;height:72px;background:var(--grad);border-radius:var(--r-xl);display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:900;color:#fff;box-shadow:0 0 48px #7c5cfc4d;animation:float 4s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.welcome h2{font-size:28px;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome p{color:var(--text-2);font-size:14px;max-width:480px}.welcome-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:560px;margin-top:4px}.welcome-chip{padding:7px 14px;background:var(--bg-3);border:1px solid var(--border-2);border-radius:var(--r-full);font-size:12px;color:var(--text-2);cursor:pointer;transition:all var(--transition);font-family:var(--font)}.welcome-chip:hover{background:var(--accent-dim);border-color:var(--border-accent);color:var(--text-accent);transform:translateY(-1px)}@media(max-width:768px){.ws-sidebar{display:none}.hero h1{font-size:36px;letter-spacing:-1px}.features-grid{grid-template-columns:1fr}.landing-nav{padding:12px 20px}.nav-links{display:none}}