.dark,:root{--background:#f3f6fb;--foreground:#13233b;--card:#fff;--card-foreground:#13233b;--primary:#155bd7;--primary-foreground:#fff;--secondary:#e7edf7;--secondary-foreground:#13233b;--muted:#edf1f7;--muted-foreground:#54647c;--accent:#e8effb;--accent-foreground:#155bd7;--border:#dce3ee;--input:#c7d1e0;--ring:#155bd7;--destructive:#bc263e}*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--foreground);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.55}button,input{font:inherit}button{cursor:pointer}a{color:inherit}.pulse-shell{min-height:100vh;display:flex;flex-direction:column}.pulse-header{height:100px;max-width:1120px;width:100%;padding:24px 36px;justify-content:space-between;margin:auto}.brand,.pulse-header{display:flex;align-items:center}.brand{gap:12px;text-decoration:none;font-size:30px;letter-spacing:-1.4px;font-weight:750;line-height:1.1}.brand small{display:block;font-size:10px;letter-spacing:2px;color:#62718a;margin-top:6px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;background:#155bd7;color:white;border-radius:14px;font-size:35px;font-weight:700;padding-bottom:5px}.pulse-main{width:100%;max-width:680px;padding:52px 28px 56px;margin:0 auto;flex:1}.eyebrow{font-size:12px;letter-spacing:1.7px;color:#64748b;margin-bottom:12px}.eyebrow,h1{font-weight:700}h1{font-size:36px;line-height:1.2;letter-spacing:-1.2px;margin:0 0 12px;overflow-wrap:anywhere}.intro{color:#5a6a82;margin:0 0 30px}.panel{background:#fff;border:1px solid #dce3ee;border-radius:18px;padding:32px;box-shadow:0 8px 30px #1e3a5f05}.card-heading{display:flex;align-items:center;gap:17px;margin-bottom:26px}.whatsapp-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;background:#e9f8f0;color:#16814f}.whatsapp-icon svg{width:27px;height:27px}h2{font-size:20px;letter-spacing:-.4px;margin:0 0 7px}.status-badge{font-size:13px;color:#65738a;background:#eef2f7;padding:4px 9px;border-radius:5px;display:inline-block}.status-badge.connected{color:#107443;background:#e9f8f0}.connection-copy{color:#5a6a82;margin:0 0 26px}.primary-button{width:100%;min-height:48px;font-size:15px;border-radius:9px;white-space:normal}form{display:flex;flex-direction:column;gap:12px}form label{font-size:14px;font-weight:600;margin-top:6px}form input{min-height:46px;font-size:16px;background:#fff}form .primary-button{margin-top:10px}.auth-panel>button{display:flex;margin:14px auto 0;font-size:14px}.privacy{display:flex;align-items:flex-start;gap:10px;border-top:1px solid #e8edf5;margin-top:28px;padding-top:22px;color:#66768e}.privacy svg{width:18px;min-width:18px;height:18px;margin-top:3px}.privacy p{font-size:13px;line-height:1.65;margin:0}.connection-panel dl{margin:0 0 25px;display:grid;gap:18px}dt{font-size:13px;color:#6b7b93}dd{font-size:16px;margin:3px 0 0;overflow-wrap:anywhere}.pulse-footer{font-size:12px;color:#74839a;text-align:center;padding:25px}.pulse-footer span{padding:0 7px}.error-message,.notice-message{border-radius:9px;padding:14px 18px;font-size:14px;margin-top:20px}.error-message{color:#a32136;background:#fff0f2;border:1px solid #f5d3db}.notice-message{color:#175d44;background:#e9f7f0;border:1px solid #cce9dc}.setup-note{font-size:14px;color:#65738a;margin:18px 0 0}.debug{font-size:14px;margin-top:24px;color:#596b85}.debug summary{cursor:pointer}.debug dl{display:grid;gap:8px;margin-top:18px}.debug dl>div{display:grid;grid-template-columns:1fr 1fr;gap:16px}.debug dd{font-size:14px}.spin{animation:pulse-spin 1s linear infinite}@keyframes pulse-spin{to{transform:rotate(1turn)}}@media(max-width:600px){.pulse-header{height:82px;padding:20px}.pulse-main{padding:35px 20px}h1{font-size:29px}.panel{padding:25px 22px}.brand{font-size:27px}}@media(prefers-reduced-motion:reduce){.spin{animation:none}}