/* ARCHES-only badge. No global layout, notice, navigation or identity changes. */
#oasis-arches-welcome{display:flex;flex:none;align-items:center;gap:10px;margin:0 12px 10px;padding:10px;border:1px solid #33485f;border-radius:12px;background:#17263b;color:#f8fafc;text-align:left;box-sizing:border-box}
#oasis-arches-welcome .arches-project-mark{width:38px;height:38px;flex:none}
#oasis-arches-welcome .arches-project-copy{display:flex;min-width:0;flex-direction:column;gap:3px}
#oasis-arches-welcome .arches-welcome-title{font-size:12px;line-height:17px;font-weight:650;letter-spacing:.01em;color:#f8fafc}
#oasis-arches-welcome .arches-welcome-detail{font-size:10px;line-height:14px;color:#c7d5e5}
aside.w-16 #oasis-arches-welcome{margin:0 auto 10px;padding:0;border:0;background:transparent}
aside.w-16 #oasis-arches-welcome .arches-project-copy{display:none}
aside.w-16 #oasis-arches-welcome .arches-project-mark{width:38px;height:38px}
@media(prefers-reduced-motion:reduce){#oasis-arches-welcome{transition:none}}