:root{--bg:#f6f7f9;--fg:#1c2430;--muted:#5d6b7c;--card:#fff;--line:#dde2e8;--accent:#1f6f6b;--accent-fg:#fff;--warn:#fff4d6;--warn-line:#e6c766}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}
.demo-banner{background:#7a1f1f;color:#fff;text-align:center;font-weight:700;padding:.5rem 1rem;letter-spacing:.02em;position:sticky;top:0;z-index:10}
header.top{background:var(--card);border-bottom:1px solid var(--line);padding:.6rem 1rem;display:flex;flex-wrap:wrap;gap:1rem;align-items:center}
header.top .brand{font-weight:700;color:var(--accent);text-decoration:none}
header.top nav{display:flex;flex-wrap:wrap;gap:.9rem;flex:1}
header.top nav a{color:var(--fg);text-decoration:none}
header.top nav a:hover{text-decoration:underline}
header.top form{margin:0}
main{max-width:980px;margin:1.5rem auto;padding:0 1rem}
h1{font-size:1.6rem;margin:.2rem 0 1rem}h2{font-size:1.15rem;margin:1.5rem 0 .6rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1rem 1.2rem;margin:0 0 1rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}
.muted{color:var(--muted)}.small{font-size:.875rem}
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}
th,td{padding:.55rem .7rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#eef1f4;font-size:.85rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
tr:last-child td{border-bottom:none}
label{display:block;font-weight:600;margin:.8rem 0 .25rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=time],input[type=datetime-local],select,textarea{width:100%;padding:.5rem .6rem;border:1px solid #b8c1cc;border-radius:6px;font:inherit;background:#fff}
textarea{min-height:5rem}
.inline{display:inline-block;width:auto}
.check{display:flex;gap:.5rem;align-items:center;font-weight:400;margin:.3rem 0}
.check input{width:auto}
button,.btn{display:inline-block;background:var(--accent);color:var(--accent-fg);border:0;border-radius:6px;padding:.5rem .95rem;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
button.secondary,.btn.secondary{background:#e6eaee;color:var(--fg)}
button.danger{background:#a43a3a}
button.small,.btn.small{padding:.25rem .6rem;font-size:.85rem}
.badge{display:inline-block;padding:.1rem .55rem;border-radius:99px;font-size:.78rem;font-weight:700;background:#e6eaee;color:var(--fg)}
.badge.ok{background:#d6efe3;color:#145a3a}.badge.warn{background:#ffe9b8;color:#6b4800}.badge.bad{background:#f6d4d4;color:#7a1f1f}
.flash{background:#e1f2ef;border:1px solid #9ccdc7;padding:.6rem .9rem;border-radius:8px;margin-bottom:1rem}
.error{background:#fbe3e3;border:1px solid #e3a6a6;padding:.6rem .9rem;border-radius:8px;margin-bottom:1rem}
.notice{background:var(--warn);border:1px solid var(--warn-line);padding:.6rem .9rem;border-radius:8px;margin:1rem 0}
.consent-body{white-space:pre-wrap;background:#fafbfc;border:1px solid var(--line);border-radius:8px;padding:.8rem;max-height:14rem;overflow:auto}
.vitals{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.8rem}
.tag{font-size:.75rem;color:var(--muted);font-style:italic}
video{width:100%;max-width:480px;background:#111;border-radius:8px}
.meter{height:10px;background:#e1e5ea;border-radius:99px;overflow:hidden;max-width:480px}.meter>div{height:100%;width:0;background:var(--accent)}
.symlabel{margin:0;font-weight:400;min-width:15rem}
.big{font-size:2rem}
form.inline-form{display:inline}
footer{max-width:980px;margin:2rem auto;padding:0 1rem;color:var(--muted);font-size:.85rem}