:root{--app-background-image: url(/assets/Mausoleum-BG-RXGklWw1.avif)}.admin-background-panel{position:relative;margin-bottom:2rem;padding:1.5rem;border:var(--border-width) solid var(--border-color);border-radius:1rem;background:linear-gradient(135deg,#ffffff0b,#0000008c);box-shadow:inset 0 0 20px #ffffff09,0 0 25px #00000080}.admin-background-panel .field-label{display:block;margin-bottom:1rem;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--bone-soft)}.background-preview{position:relative;width:100%;height:300px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--border-color);border-radius:.75rem;background:linear-gradient(#00000073,#00000073),var(--app-background-image);background-position:center;background-size:cover;background-repeat:no-repeat;color:var(--bone-soft);box-shadow:inset 0 0 30px #000000a6,0 0 15px #00000059}.background-preview span{position:relative;z-index:2}.background-file-label{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.25rem;margin-bottom:1rem;border:1px solid var(--border-color);border-radius:.5rem;cursor:pointer;background:linear-gradient(135deg,#ffffff0d,#00000059);transition:background .3s ease,border-color .3s ease,box-shadow .3s ease,transform .3s var(--dramatic)}.background-file-label:hover{border-color:var(--border-hover);background:radial-gradient(circle at center,#ffffff1a,#0006);box-shadow:0 0 12px #ffffff2e;transform:translateY(-2px)}.selected-background{margin-bottom:1.25rem;min-height:1.5rem;color:var(--bone-soft);font-size:.9rem}#save-background{border:1px solid var(--border-color);background:linear-gradient(135deg,#1e64ff6b,#0a287847);color:#dbeafe;cursor:pointer;box-shadow:inset 0 0 10px #3278ff2e,0 0 10px #3278ff1f;transition:background .3s ease,box-shadow .35s ease,transform .25s var(--dramatic)}#save-background:hover{background:linear-gradient(135deg,#1e64ff9e,#0a287861);box-shadow:inset 0 0 12px #5096ff59,0 0 15px #3278ff73,0 0 35px #3278ff2e;transform:translateY(-2px)}#save-background:disabled{opacity:.5;cursor:wait}.admin-background-info{margin-top:1rem;padding:1rem 1.25rem;border-left:2px solid var(--border-color);background:#0000004d;color:var(--bone-soft);font-size:.9rem}@media(max-width:768px){.admin-background-panel{padding:1rem}.background-preview{height:220px}}