:root{--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-family:var(--font-family);--fb-bg:#faf9f6;--fb-surface:#fff;--fb-surface-alt:#f4f3ee;--fb-text:#1c1b18;--fb-text-sec:#57564f;--fb-text-muted:#8f8e87;--fb-accent:#0d9488;--fb-accent-bg:#e8faf7;--fb-accent-dark:#0b7c72;--fb-success:#18a34a;--fb-success-bg:#e7f6ec;--fb-warn:#d48e1a;--fb-warn-bg:#fef7e6;--fb-danger:#dc2626;--fb-danger-bg:#fde9e9;--fb-border:#e8e7e2;--fb-border-light:#f0efea;--fb-header-grad:linear-gradient(135deg,#0d9488,#0b7c72)}*{box-sizing:border-box}body,html{padding:0;margin:0;font-family:var(--font-family);color:var(--fb-text);-webkit-font-smoothing:antialiased}.fbc-shell,body,html{background:var(--fb-bg)}.fbc-shell{max-width:960px;margin:0 auto;min-height:100vh}button{font-family:inherit;cursor:pointer;min-height:44px}input,select,textarea{font-family:inherit;font-size:15px}.fbc-sticky-bottom{position:-webkit-sticky;position:sticky;bottom:0;left:0;right:0;background:var(--fb-bg);padding-top:12px;padding-bottom:calc(env(safe-area-inset-bottom, 0px) + 24px);z-index:50}.fbc-safe-bottom{padding-bottom:calc(env(safe-area-inset-bottom, 0px) + 16px)}nav[data-fb-bottom-nav]{padding-bottom:calc(env(safe-area-inset-bottom, 0px) + 10px)!important}body{font-size:15px}h1{font-size:22px}h2{font-size:18px}label{font-size:13px}