:root{color:#f8fafc;background:#0f172a;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{min-height:100vh;display:grid;place-items:center;padding:2rem;background:radial-gradient(circle at 15% 20%,rgba(20,184,166,.22),transparent 35%),radial-gradient(circle at 85% 80%,rgba(59,130,246,.18),transparent 35%),#0f172a}.card{width:min(100%,42rem);padding:clamp(2rem,7vw,4.5rem);border:1px solid rgba(148,163,184,.22);border-radius:2rem;background:#0f172ab8;box-shadow:0 2rem 5rem #0000004d;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.eyebrow{color:#5eead4;font-size:.75rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase}h1{margin:.8rem 0 1rem;font-size:clamp(2.6rem,9vw,5rem);line-height:.95}p{margin:0;color:#cbd5e1;font-size:1.1rem;line-height:1.7}.sensor{display:flex;align-items:end;justify-content:space-between;gap:1.5rem;margin-top:2rem;padding:1.25rem 1.4rem;border:1px solid rgba(94,234,212,.18);border-radius:1.25rem;background:#14b8a614}.sensor__label{color:#99f6e4;font-size:.85rem}.sensor strong{font-size:clamp(1.6rem,5vw,2.25rem);white-space:nowrap}.sensor .sensor__fallback{color:#94a3b8;font-size:1rem}.status{display:inline-flex;align-items:center;gap:.55rem;margin-top:2rem;padding:.6rem .9rem;border-radius:999px;background:#94a3b81f;color:#cbd5e1;font-size:.85rem;text-transform:capitalize}.status span{width:.55rem;height:.55rem;border-radius:50%;background:#f59e0b}.status--ready span{background:#2dd4bf;box-shadow:0 0 .8rem #2dd4bf}.status--unavailable span{background:#fb7185}form{display:grid;gap:.8rem;margin-top:2rem}label{color:#ccfbf1;font-weight:650}input{width:100%;border:1px solid #475569;border-radius:.75rem;padding:.9rem 1rem;background:#0f172a;color:#fff;font:inherit}input:focus{outline:2px solid #2dd4bf;outline-offset:2px}button{border:0;border-radius:.75rem;padding:.9rem 1.2rem;background:#2dd4bf;color:#042f2e;font:inherit;font-weight:750;cursor:pointer}button.secondary{background:#94a3b829;color:#e2e8f0}.error{margin-top:1rem;color:#fda4af}.guest{display:flex;align-items:center;justify-content:space-between;gap:1rem}.guest p{margin-top:.45rem;font-size:.95rem}