/* V11: meaningful no-WebGL fallback and clear failure feedback */
.cinema-fallback-scene{position:absolute;inset:0;display:grid;place-items:center;overflow:hidden;pointer-events:none;background:radial-gradient(ellipse at 58% 52%,#1e3d50 0%,#0b1b2b 64%,#061421 100%);z-index:0}
.cinema-fallback-scene svg{width:min(75vw,1050px);height:auto;margin-left:10%;opacity:.8;filter:drop-shadow(0 28px 40px #0005)}
#cinema-scene{position:absolute;inset:0;z-index:1}
.skai-3d-ready .cinema-fallback-scene{display:none}
.cinema-diagnostic{position:absolute;left:50%;top:54%;transform:translate(-50%,-50%);z-index:20;background:#0a2130ec;border:1px solid #3e8191;border-radius:12px;padding:16px 18px;color:#f2ffff;width:min(340px,86vw);box-shadow:0 16px 40px #0006;font:14px 'DM Sans',Arial,sans-serif}
.cinema-diagnostic[hidden]{display:none}.cinema-diagnostic strong{font-size:15px}.cinema-diagnostic p{line-height:1.45;color:#d3e7eb;font-size:12px}.cinema-diagnostic button{cursor:pointer;border:1px solid #5caaa9;border-radius:5px;background:#113c49;color:white;padding:8px 10px;margin:4px 6px 0 0;font-size:12px}
@media(max-width:700px){.cinema-fallback-scene svg{width:120vw;margin-left:35%}.cinema-diagnostic{top:60%}}