/* Veloria Daylight: approved high-resolution artwork layered behind the existing working interface. */
html[data-theme="stone"] .backdrop{
  background-color:#65766a;
  background-image:linear-gradient(90deg,rgba(33,46,36,.46),rgba(46,56,44,.12) 46%,rgba(31,46,38,.26)),url("../assets/ui/veloria-daylight-observatory-v1.webp");
  background-size:cover,cover;
  background-position:center center,center center;
  background-repeat:no-repeat;
}
html[data-theme="stone"] .backdrop:after{
  background:linear-gradient(0deg,rgba(24,36,27,.40),transparent 33%,rgba(26,39,32,.10)),
             linear-gradient(90deg,rgba(23,38,28,.12),transparent 45%,rgba(24,38,31,.07));
}
html[data-theme="stone"] .hero.hero-branded:before{
  content:"";position:absolute;inset:-12% 0;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse at 50% 47%,rgba(28,43,34,.49) 0%,rgba(32,47,39,.21) 48%,transparent 75%);
}
html[data-theme="stone"] .hero-logo{filter:drop-shadow(0 6px 5px rgba(21,29,25,.68)) drop-shadow(0 24px 22px rgba(16,24,21,.45));}
html[data-theme="stone"] body:has(#entries:not([hidden])) .backdrop{
  background-image:linear-gradient(90deg,rgba(40,54,42,.59) 0%,rgba(39,53,43,.50) 49%,rgba(39,55,45,.37) 100%),
                   url("../assets/ui/veloria-daylight-study-v1.webp");
  background-position:center center,center center;
  background-size:cover,cover;
}
html[data-theme="stone"] body:has(#entries:not([hidden])) .backdrop:after{
  background:linear-gradient(0deg,rgba(26,42,31,.46),transparent 40%),
             linear-gradient(90deg,rgba(39,51,44,.29),rgba(40,55,46,.12) 45%,rgba(26,43,32,.2));
}
html[data-theme="stone"] .book-stage:before{
  content:"";position:absolute;inset:3% 0;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(45,64,48,.73),rgba(51,67,53,.20) 66%,transparent 85%);
  filter:blur(22px);
}
html[data-theme="stone"] .book-button{z-index:1;}
html[data-theme="stone"] .catalog{background:linear-gradient(90deg,rgba(40,58,46,.18),transparent);}
html[data-theme="stone"] .reader{background:linear-gradient(145deg,rgba(51,70,58,.95),rgba(44,64,53,.92));}
@media(max-width:680px){
 html[data-theme="stone"] .backdrop{
  background-image:linear-gradient(90deg,rgba(39,55,44,.44),rgba(41,55,43,.28)),url("../assets/ui/veloria-daylight-observatory-v1.webp");
  background-position:center,62% center;background-size:cover,auto 100%;
 }
 html[data-theme="stone"] body:has(#entries:not([hidden])) .backdrop{
  background-image:linear-gradient(90deg,rgba(42,59,47,.75),rgba(47,62,49,.62)),url("../assets/ui/veloria-daylight-study-v1.webp");
  background-position:center,58% center;background-size:cover,auto 100%;
 }
 html[data-theme="stone"] .hero.hero-branded:before{inset:-8% 0;}
}
@media(prefers-reduced-motion:reduce){html[data-theme="stone"] .backdrop{transition:none}}