:root{--bg-primary: #0a0f1c;--bg-secondary: #0f172a;--bg-tertiary: #1e293b;--bg-card: #1a202c;--bg-elevated: #2d3748;--text-primary: #f8fafc;--text-secondary: #e2e8f0;--text-muted: #94a3b8;--text-accent: #60a5fa;--accent-primary: #3b82f6;--accent-secondary: #8b5cf6;--accent-success: #10b981;--accent-warning: #f59e0b;--accent-error: #ef4444;--border-primary: rgba(148, 163, 184, .1);--border-secondary: rgba(148, 163, 184, .2);--border-accent: rgba(59, 130, 246, .3);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(59, 130, 246, .3);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;font-weight:400;color-scheme:dark;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg-primary);color:var(--text-primary);overflow-x:hidden}a{font-weight:500;color:var(--accent-primary);text-decoration:none;transition:all .2s ease}a:hover{color:var(--text-accent);text-decoration:underline}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--text-primary);margin-bottom:.5em}h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--text-primary) 0%,var(--text-accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}h2{font-size:1.5rem}h3{font-size:1.25rem}button{border-radius:12px;border:1px solid transparent;padding:.75rem 1.5rem;font-size:.95rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}button:focus,button:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.5}input,textarea,select{font-family:inherit;font-size:inherit;border-radius:8px;border:1px solid var(--border-secondary);background:var(--bg-card);color:var(--text-primary);padding:.75rem;transition:all .2s ease}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #3b82f61a}input::placeholder,textarea::placeholder{color:var(--text-muted)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:4px;border:1px solid var(--border-primary)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:#3b82f64d;color:var(--text-primary)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;width:100%;background:linear-gradient(135deg,#0f172a,#1e293b,#334155);display:flex;align-items:flex-start;justify-content:center;padding:2rem;box-sizing:border-box}.container{width:100%;max-width:1200px;margin:0 auto}.header{background:#1e293b;padding:2rem;border-radius:16px;text-align:center;margin-bottom:2rem;box-shadow:0 8px 32px #0006;border:1px solid rgba(148,163,184,.1)}.header h1{color:#f1f5f9;background:none!important;-webkit-background-clip:initial!important;-webkit-text-fill-color:initial!important;background-clip:initial!important}.header p{color:#94a3b8}.main-content{display:flex;flex-direction:column;gap:1.5rem}.card{background:linear-gradient(135deg,#1e293b,#334155);padding:1.5rem;border-radius:16px;box-shadow:0 8px 32px #0006;border:1px solid rgba(148,163,184,.1);backdrop-filter:blur(10px)}.card h2{font-size:1.25rem;color:#f1f5f9;margin-bottom:1rem;font-weight:600}.card h3{font-size:1.1rem;color:#f1f5f9;margin-bottom:.75rem;font-weight:600}.info-card{background:linear-gradient(135deg,#0f172a,#1e293b);border:1px solid rgba(59,130,246,.3)}.info-card ol{margin-left:1.5rem;color:#cbd5e1;line-height:1.8}.info-card li{margin-bottom:.5rem}.info-card small{display:block;margin-top:.25rem;font-size:.85rem;line-height:1.4;color:#94a3b8}.info-card code{background:#3b82f633;padding:2px 6px;border-radius:3px;font-size:.8rem;font-family:Courier New,monospace;color:#60a5fa}.status-row{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.status-label{font-weight:500;color:#cbd5e1}.status-badge{padding:.5rem 1rem;border-radius:8px;font-weight:500;font-size:.9rem;border:1px solid}.status-badge.connected{background:#10b98133;color:#34d399;border-color:#10b98166;box-shadow:0 0 20px #10b9814d}.status-badge.disconnected{background:#64748b33;color:#94a3b8;border-color:#64748b66}.button-row{display:flex;gap:.75rem}.btn-primary{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;padding:.75rem 1.5rem;border:1px solid rgba(59,130,246,.5);border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;width:100%;box-shadow:0 4px 16px #3b82f64d;opacity:1}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#2563eb,#1d4ed8);transform:translateY(-2px);box-shadow:0 8px 24px #3b82f680}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{background:linear-gradient(135deg,#475569,#334155)!important;cursor:not-allowed!important;opacity:.6!important;border-color:#47556980!important;box-shadow:none!important;color:#94a3b8!important;transform:none!important}.btn-primary:not(:disabled){cursor:pointer;opacity:1}.btn-secondary{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;padding:.75rem 1.5rem;border:1px solid rgba(239,68,68,.5);border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;width:100%;box-shadow:0 4px 16px #ef44444d}.btn-secondary:hover{background:linear-gradient(135deg,#dc2626,#b91c1c);transform:translateY(-2px);box-shadow:0 8px 24px #ef444480}.btn-copy{background:linear-gradient(135deg,#64748b,#475569);color:#fff;padding:.5rem 1rem;border:1px solid rgba(100,116,139,.5);border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .3s;box-shadow:0 2px 8px #64748b4d}.btn-copy:hover{background:linear-gradient(135deg,#475569,#334155);transform:translateY(-1px);box-shadow:0 4px 12px #64748b80}.message-input{width:100%;padding:.75rem;background:#0f172a99;border:2px solid rgba(148,163,184,.2);border-radius:10px;font-size:1rem;font-family:Courier New,monospace;margin-bottom:1rem;resize:vertical;transition:all .3s;color:#f1f5f9}.message-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f64d;background:#0f172acc}.message-input::placeholder{color:#64748b}.status-text{background:#0f172a99;border:1px solid rgba(148,163,184,.2);border-radius:10px;padding:1rem;font-family:Courier New,monospace;font-size:.875rem;white-space:pre-wrap;word-break:break-word;color:#cbd5e1;line-height:1.6}.result-box{display:flex;gap:.75rem;align-items:flex-start}.result-text{flex:1;background:#0f172a99;border:1px solid rgba(148,163,184,.2);border-radius:10px;padding:1rem;font-family:Courier New,monospace;font-size:.75rem;word-break:break-all;color:#cbd5e1;display:block;max-height:200px;overflow-y:auto}.error-box{background:linear-gradient(135deg,#1e293bf2,#334155f2);border:2px solid rgba(239,68,68,.5);border-radius:20px;padding:3rem 2rem;text-align:center;box-shadow:0 8px 32px #ef44444d,inset 0 1px #ffffff1a;backdrop-filter:blur(20px);position:relative;overflow:hidden}.error-box:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent-error),#dc2626)}.error-box h2{color:#fca5a5;margin-bottom:1rem;font-weight:600}.error-box p{color:#fca5a5;font-size:1.1rem;opacity:.9}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:6px;border:1px solid var(--border-primary)}::-webkit-scrollbar-thumb{background:linear-gradient(135deg,var(--bg-elevated) 0%,var(--text-muted) 100%);border-radius:6px;border:1px solid var(--border-secondary)}::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,var(--text-muted) 0%,var(--text-secondary) 100%)}@media(max-width:768px){.app{padding:1rem}.app:before{background-size:100px 80px}.header{padding:2rem 1.5rem}.header h1{font-size:2rem}.header p{font-size:1rem}.card{padding:1.5rem}.button-row,.result-box{flex-direction:column;gap:.75rem}.status-row{flex-direction:column;align-items:flex-start;gap:.75rem}}@media(max-width:480px){.app{padding:.75rem}.header{padding:1.5rem 1rem}.header h1{font-size:1.75rem}.card{padding:1.25rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInFromLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.card{animation:fadeIn .5s ease-out}.card:nth-child(2n){animation:slideInFromLeft .5s ease-out}.status-badge.connected{animation:pulse 2s infinite}.btn-primary:disabled.processing{position:relative;overflow:hidden}.btn-primary:disabled.processing:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);animation:loading 1.5s infinite}@keyframes loading{0%{left:-100%}to{left:100%}}.card:focus-within{outline:2px solid var(--accent-primary);outline-offset:2px}.message-input:hover{border-color:var(--border-accent)}.status-text:hover{background:#0f172af2}input[type=radio]{appearance:none;width:20px;height:20px;border:2px solid var(--border-secondary);border-radius:50%;background:var(--bg-card);position:relative;cursor:pointer;transition:all .3s ease}input[type=radio]:checked{border-color:var(--accent-primary);background:var(--accent-primary)}input[type=radio]:checked:after{content:"";position:absolute;top:50%;left:50%;width:8px;height:8px;border-radius:50%;background:#fff;transform:translate(-50%,-50%)}input[type=radio]:hover{border-color:var(--accent-primary);box-shadow:0 0 0 3px #3b82f61a}.footer{margin-top:2rem;padding:1.5rem;text-align:center}.github-link{display:inline-flex;align-items:center;gap:.5rem;color:#94a3b8;text-decoration:none;font-weight:400;font-size:.9rem;transition:all .3s ease}.github-link:hover{color:#f1f5f9;transform:translateY(-1px)}.github-logo{width:20px;height:20px;transition:transform .3s ease}.github-link:hover .github-logo{transform:scale(1.1)}.github-text{font-family:inherit}@media(max-width:480px){.footer{margin-top:1.5rem;padding:1rem}.github-link{padding:.6rem 1.2rem;font-size:.85rem}.github-logo{width:18px;height:18px}}