:root{--bg-primary: #0a0e14;--bg-secondary: #121822;--bg-card: rgba(18, 24, 34, .75);--bg-glass: rgba(255, 255, 255, .04);--border-color: rgba(255, 255, 255, .08);--border-glow: rgba(37, 211, 102, .25);--wa-green: #25d366;--wa-dark-green: #128c7e;--wa-teal: #00a884;--accent-cyan: #00d2ff;--text-primary: #f0f4f8;--text-secondary: #94a3b8;--text-muted: #64748b;--danger: #ef4444;--warning: #f59e0b;--success: #10b981;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--shadow-subtle: 0 4px 20px rgba(0, 0, 0, .35);--shadow-glow: 0 0 25px rgba(37, 211, 102, .2);--shadow-danger: 0 0 20px rgba(239, 68, 68, .25)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-primary);background-image:radial-gradient(circle at 15% 15%,rgba(18,140,126,.12) 0%,transparent 40%),radial-gradient(circle at 85% 85%,rgba(0,210,255,.08) 0%,transparent 45%);background-attachment:fixed;color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-height:100vh;display:flex;justify-content:center;overflow-x:hidden}#root{width:100%;max-width:540px;min-height:100vh;display:flex;flex-direction:column;position:relative;background:#0a0e14a6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-left:1px solid var(--border-color);border-right:1px solid var(--border-color);box-shadow:0 0 60px #0009}h1,h2,h3,h4,.brand-font{font-family:Outfit,sans-serif;letter-spacing:-.02em}.glass-panel{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.25rem;box-shadow:var(--shadow-subtle);transition:all .25s ease}.glass-panel:hover{border-color:#ffffff24}.glow-accent{position:relative}.glow-accent:after{content:"";position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;border-radius:inherit;background:linear-gradient(135deg,var(--wa-green),var(--accent-cyan));z-index:-1;opacity:.3;filter:blur(8px);transition:opacity .3s ease}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:.95rem;padding:.85rem 1.4rem;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);text-decoration:none}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg,var(--wa-green) 0%,#1db954 100%);color:#032512;box-shadow:0 4px 18px #25d36659;font-weight:700}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#2df075,#20ce5d);box-shadow:0 6px 24px #25d36680;transform:translateY(-1px)}.btn-secondary{background:#ffffff14;color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:#ffffff24;border-color:#fff3}.btn-danger{background:#ef444426;color:#fca5a5;border:1px solid rgba(239,68,68,.3)}.btn-danger:hover:not(:disabled){background:#ef444440}.form-group{display:flex;flex-direction:column;gap:.45rem;margin-bottom:1.1rem}.form-label{font-size:.85rem;font-weight:500;color:var(--text-secondary);display:flex;justify-content:space-between;align-items:center}.input-field{background:#0e141dcc;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.95rem;padding:.85rem 1rem;transition:all .2s ease;outline:none;font-family:inherit}.input-field:focus{border-color:var(--wa-green);box-shadow:0 0 0 3px #25d36626;background:#0e141d}.input-field::placeholder{color:var(--text-muted)}.code-display-box{background:linear-gradient(135deg,#25d36614,#00a8840d);border:1.5px dashed var(--wa-green);border-radius:var(--radius-md);padding:1.5rem;text-align:center;margin:1.25rem 0;box-shadow:var(--shadow-glow)}.code-text{font-family:Courier New,Courier,monospace;font-size:2.2rem;font-weight:800;letter-spacing:.25em;color:#2df075;text-shadow:0 0 12px rgba(45,240,117,.5);margin-bottom:.5rem}.status-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .75rem;border-radius:var(--radius-full);font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.status-badge.connected{background:#10b98126;color:#34d399;border:1px solid rgba(16,185,129,.3)}.status-badge.disconnected,.status-badge.unlinked{background:#ef444426;color:#f87171;border:1px solid rgba(239,68,68,.3)}.status-badge.pairing{background:#f59e0b26;color:#fbbf24;border:1px solid rgba(245,158,11,.3)}.pulse-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.pulse-dot.green{background:#34d399;box-shadow:0 0 8px #34d399;animation:pulse-animation 1.8s infinite}.pulse-dot.amber{background:#fbbf24;box-shadow:0 0 8px #fbbf24;animation:pulse-animation 1.5s infinite}@keyframes pulse-animation{0%{transform:scale(.95);opacity:.8}50%{transform:scale(1.25);opacity:1}to{transform:scale(.95);opacity:.8}}.progress-track{width:100%;height:10px;background:#ffffff14;border-radius:var(--radius-full);overflow:hidden;margin:1rem 0;position:relative}.progress-fill{height:100%;background:linear-gradient(90deg,var(--wa-green),var(--accent-cyan));border-radius:var(--radius-full);transition:width .4s ease;box-shadow:0 0 10px #25d36680}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:#0003}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}