*{box-sizing:border-box}html,body{height:100%;margin:0;background:#f4f8f5;font-family:system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:#173a36}.appbar{height:62px;background:#fff;border-bottom:1px solid #dbe7e2;display:flex;align-items:center;justify-content:space-between;padding:8px clamp(10px,3vw,24px);gap:14px}.appbrand{display:flex;align-items:center;gap:12px;min-width:0}.appbrand b{color:#19816b;font-size:20px;white-space:nowrap}.appname{font-weight:850;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.actions{display:flex;gap:8px;align-items:center}.back,.full{background:#e6f5ec;color:#145f50;border:0;border-radius:12px;text-decoration:none;font-weight:850;font-size:13px;padding:11px 15px;cursor:pointer;white-space:nowrap}.full{background:#17866d;color:white}.game-shell{width:100%;height:calc(100dvh - 62px)}iframe{display:block;height:100%;width:100%;border:0;background:white}@media(max-width:590px){.appbrand b{display:none}.appname{font-size:13px}.back,.full{font-size:12px;padding:10px}.appbar{gap:6px}}

/* V10 – gelijk aan EduTools hoofdpagina */
.appbar{background:#fff;border-bottom:1px solid #dbe7e2;height:64px}
.appbrand b{color:#14826e;font-size:22px;letter-spacing:-.7px}.appname{color:#173a36}
.back,.full{border-radius:999px;padding:11px 17px}.back{background:#e8f5ed;color:#106b5c}.full{background:#14826e;color:#fff}
.game-shell{height:calc(100dvh - 64px)}
@media(max-width:640px){.appbar{height:59px;padding:8px 10px}.game-shell{height:calc(100dvh - 59px)}.back,.full{padding:9px 11px;font-size:12px}}