@keyframes logo-spin-3d{0%{transform:rotateY(0)}to{transform:rotateY(360deg)}}.sidebar-logo-spin{perspective:400px;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.sidebar-logo-spin .sidebar-spin-3d{width:32px;height:32px;transform-style:preserve-3d;animation:4s linear infinite logo-spin-3d;position:relative}.sidebar-logo-spin .sidebar-face{backface-visibility:hidden;transform-style:preserve-3d;position:absolute;inset:0}.sidebar-logo-spin .sidebar-front{transform:translateZ(1px)}.sidebar-logo-spin .sidebar-back{transform:translateZ(-1px)rotateY(180deg)}.page-skeleton .perspective-scene{perspective:1200px;justify-content:center;align-items:center;width:160px;height:160px;display:flex}.page-skeleton .premium-3d-object{width:80px;height:100px;transform-style:preserve-3d;animation:4s linear infinite logo-spin-3d;position:relative}.page-skeleton .face{backface-visibility:visible;transform-style:preserve-3d;position:absolute;inset:0}.page-skeleton .front-face{filter:drop-shadow(0 0 20px #016f7c33);transform:translateZ(4px)}.page-skeleton .back-face{filter:brightness(.6);transform:translateZ(-4px)rotateY(180deg)}.page-skeleton .surface-sheen{mix-blend-mode:overlay;pointer-events:none;background:linear-gradient(135deg,#0000 40%,#fff6 50%,#0000 60%);animation:4s ease-in-out infinite page-skeleton-sheen-move;position:absolute;inset:-50%}.page-skeleton .ambient-aura{filter:blur(10px);background:radial-gradient(circle,#016f7c1a 0%,#0000 70%);border-radius:100%;width:140px;height:140px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)translateZ(-10px)}.page-skeleton .logo-glow{animation:4s ease-in-out infinite page-skeleton-pulse-glow}@keyframes page-skeleton-sheen-move{0%{transform:translate(-50%)translateY(-50%)rotate(0)}to{transform:translate(50%)translateY(50%)rotate(20deg)}}@keyframes page-skeleton-pulse-glow{0%,to{filter:brightness()blur()}50%{filter:brightness(130%)blur(1px)}}