:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#18313a;background:#f5f8fa}*{box-sizing:border-box}body{margin:0}.app-shell{max-width:680px;min-height:100vh;margin:auto;padding:calc(20px + env(safe-area-inset-top)) 18px 92px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.eyebrow{margin:0;color:#176b87;letter-spacing:.12em;font-size:11px;font-weight:800}h1{margin:4px 0;font-size:28px}.online{font-size:12px;color:#1d8f61;background:#dff8eb;padding:7px 10px;border-radius:100px}.hero,.card,.settings,li{background:#fff;border-radius:18px;padding:18px;box-shadow:0 3px 13px #1232;margin-bottom:14px}.hero{background:linear-gradient(135deg,#176b87,#258dad);color:#fff}.hero p{margin-top:0}.primary,.secondary{width:100%;border:0;border-radius:12px;padding:14px;margin-top:10px;font-size:16px;font-weight:700;cursor:pointer}.primary{background:#fff;color:#176b87}.secondary{background:#e7f3f7;color:#176b87}h2{font-size:16px;margin:22px 4px 10px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.card{margin:0}.card p{font-size:13px;color:#587078;margin-bottom:0}ul{padding:0;list-style:none}li{box-shadow:none;border:1px solid #e5edf0}small{color:#567}nav{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;gap:3px;background:#fffffff2;border-top:1px solid #dfe7e9;padding:8px env(safe-area-inset-right) calc(8px + env(safe-area-inset-bottom)) env(safe-area-inset-left);backdrop-filter:blur(12px)}nav button{width:90px;border:0;background:transparent;color:#71878e;font-size:20px;padding:5px;cursor:pointer}nav span{display:block;font-size:11px}nav button.active{color:#176b87;font-weight:700}#update-banner{position:fixed;left:18px;right:18px;bottom:90px;background:#173f4d;color:#fff;border-radius:14px;padding:12px;display:flex;justify-content:space-between;align-items:center}#update-banner button{border:0;border-radius:8px;padding:8px 12px;color:#173f4d;font-weight:700}@media(max-width:370px){nav button{width:72px}}