*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:linear-gradient(135deg,#1a1a2e,#16213e);min-height:100vh;color:#fff}.container{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:20px;gap:20px}.glucose-card{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:24px;padding:40px;text-align:center;box-shadow:0 8px 32px #0000004d;border:1px solid rgba(255,255,255,.1);min-width:320px;max-width:400px}.title{font-size:1.5rem;font-weight:600;color:#ffffffe6;margin-bottom:24px}.glucose-value{font-size:6rem;font-weight:700;line-height:1;margin-bottom:8px;transition:color .3s ease}.unit{font-size:1.5rem;font-weight:400;opacity:.7;margin-left:8px}.trend{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:16px}.trend-arrow{font-size:2rem}.trend-description{font-size:1rem;color:#ffffffb3;text-transform:capitalize}.timestamp{margin-bottom:12px}.timestamp>div:first-child{font-size:1.25rem;color:#ffffffe6}.time-ago{font-size:.875rem;color:#ffffff80}.mmol{font-size:1rem;color:#fff9;margin-bottom:24px}.last-update{font-size:.75rem;color:#fff6;margin-bottom:16px}.refresh-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;padding:12px 32px;border-radius:12px;font-size:1rem;cursor:pointer;transition:all .2s ease}.refresh-btn:hover{background:#fff3;transform:translateY(-1px)}.refresh-btn:active{transform:translateY(0)}.loading{font-size:1.25rem;color:#ffffffb3;padding:40px 0}.error{border-color:#e74c3c80}.error-message{color:#e74c3c;margin-bottom:20px;font-size:1rem}.retry-btn{background:#e74c3c33;border:1px solid rgba(231,76,60,.5);color:#e74c3c;padding:12px 32px;border-radius:12px;font-size:1rem;cursor:pointer;transition:all .2s ease}.retry-btn:hover{background:#e74c3c4d}.no-data{font-size:1.25rem;color:#fff9;padding:40px 0}.update-info{font-size:.75rem;color:#fff6;margin-top:16px}.guide-card{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;padding:24px;box-shadow:0 8px 32px #0000004d;border:1px solid rgba(255,255,255,.1);min-width:320px;max-width:400px}.guide-title{font-size:1.1rem;font-weight:600;color:#ffffffe6;margin-bottom:16px;text-align:center}.guide-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:8px;margin-bottom:8px}.guide-item:last-child{margin-bottom:0}.guide-item.in-range{background:#2ecc7126;border-left:3px solid #2ecc71}.guide-item.warning{background:#f39c1226;border-left:3px solid #f39c12}.guide-item.low-warning{background:#f1c40f26;border-left:3px solid #f1c40f}.guide-item.danger{background:#e74c3c26;border-left:3px solid #e74c3c}.guide-item.critical{background:#e74c3c40;border-left:3px solid #c0392b}.guide-range{font-weight:600;font-size:.95rem;color:#ffffffe6}.guide-label{font-size:.9rem;color:#ffffffb3}@media (max-width: 480px){.glucose-card{padding:24px;min-width:280px}.glucose-value{font-size:4.5rem}.unit{font-size:1.25rem}.guide-card{min-width:280px;padding:20px}}