:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#132236;background:#edf2f8}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f6f9fd,#eaf0f7)}.page-shell{max-width:620px;margin:0 auto;padding:max(20px,env(safe-area-inset-top)) 16px max(20px,env(safe-area-inset-bottom))}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}h1{font-size:1.7rem;margin:0;letter-spacing:-.02em}h2{font-size:1.25rem;margin:0;letter-spacing:-.01em}h3{font-size:1rem;margin:8px 0 0;color:#4b6178}.eyebrow{margin:0;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:#52708f;font-weight:700}.icon-btn{text-decoration:none;font-size:1.3rem;background:#dbe8f6;border-radius:999px;width:40px;height:40px;display:inline-flex;justify-content:center;align-items:center}.card{background:#fffffff2;border-radius:20px;padding:16px;margin-bottom:14px;box-shadow:0 12px 28px #233b5614}.hero-card{border:1px solid #dbe7f5;background:linear-gradient(180deg,#f8fbff,#f2f7fd)}.pairing-card{border:1px solid #c6ddf7}.stack{display:grid;gap:10px}input{width:100%;margin-top:4px;min-height:44px;border:1px solid #c9d2dd;border-radius:12px;padding:8px 10px;font-size:1rem}.big-btn,button{display:inline-flex;justify-content:center;align-items:center;width:100%;min-height:56px;border-radius:14px;border:none;background:#1663c7;color:#fff;font-size:1rem;font-weight:700;text-decoration:none}.big-btn:active,button:active{transform:scale(.99)}.big-btn.secondary{background:#617b98}.small-btn{width:auto;min-height:36px;padding:0 12px;border-radius:11px}.status-line{font-weight:600;color:#2e465f;margin:0}.alert-row{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}.pill{font-size:.78rem;background:#e1eaf5;padding:5px 9px;border-radius:999px}.pill.chip{display:inline-flex;width:fit-content;background:#daf0e6;color:#1f6a4b;font-weight:700}.row-inline{display:flex;align-items:flex-end;gap:10px;overflow-wrap:anywhere}.qr-image{width:260px;max-width:100%;margin:0 auto;border-radius:12px;border:1px solid #d9e2ec}.elder-station{max-width:420px;margin:0 auto;min-height:100vh;padding:max(16px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom));background:#0b1320;color:#fff;display:grid;align-content:start;gap:24px}.station-btn{min-height:132px;border-radius:16px;font-size:1.7rem}.station-btn.danger{background:#d90429}.station-btn.safe{background:#2a9d8f}.subtle-note{font-weight:500;font-size:.9rem}.status-list{margin:0;padding-left:20px;color:#2e465f;font-weight:600}.trial-footer{text-align:center;margin:18px 0 4px;color:#4d6279}