/* Chest 02: tactile product art, light from the interior and animated particles. */
#treasureDialog{background:radial-gradient(ellipse at 50% 44%,#60293c66,transparent 56%),radial-gradient(ellipse at 0 0,#5b242e55,transparent 65%),linear-gradient(145deg,#211019,#0c080e);border-color:#d0a467;box-shadow:inset 0 0 0 3px #29141c,inset 0 1px 0 4px #dfbe801b,0 30px 100px #000b}
#treasureDialog h2{background:linear-gradient(115deg,#e8bd77,#fff1c7 45%,#d9a45f 80%);background-clip:text;-webkit-background-clip:text;color:transparent;text-shadow:0 2px 22px #d8ae6320}
.premium-chest.chest-stage{height:auto;aspect-ratio:1.1;width:100%;max-width:420px;margin:-4px auto 14px;perspective:none;isolation:isolate;overflow:hidden;border-radius:24px}
.chest-aura{position:absolute;inset:17% -10% 0;z-index:0;background:radial-gradient(ellipse at 50% 62%,#dca35222,transparent 64%);transition:opacity .8s;pointer-events:none}
.chest-floor{position:absolute;bottom:1.5%;left:12%;width:78%;height:13%;border-radius:50%;background:radial-gradient(ellipse,#000a,transparent 70%);filter:blur(6px);pointer-events:none}
.chest-art{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none;filter:drop-shadow(0 9px 9px #0005);transition:opacity .65s ease,transform .85s cubic-bezier(.16,.8,.22,1);z-index:2}
.chest-art-closed{opacity:1;transform:translateY(0) scale(1)}
.chest-art-open{opacity:0;transform:translateY(8px) scale(.97)}
.premium-chest.opened .chest-art-closed{opacity:0;transform:translateY(3px) scale(.99)}
.premium-chest.opened .chest-art-open{opacity:1;transform:translateY(0) scale(1)}
.chest-inner-light{position:absolute;left:18%;top:42%;width:64%;height:35%;border-radius:50%;background:radial-gradient(ellipse,#fff0b855,#f4bd6f2e 40%,transparent 70%);filter:blur(10px);mix-blend-mode:screen;z-index:3;opacity:0;transform:scale(.6);transition:opacity 1s ease,transform 1.4s ease;pointer-events:none}
.premium-chest.opened .chest-inner-light{opacity:.7;transform:scale(1)}
.chest-light-beams{position:absolute;left:10%;top:3%;width:80%;height:65%;z-index:1;opacity:0;transform-origin:50% 100%;transform:scaleY(.3);background:conic-gradient(from 335deg at 50% 100%,transparent 0deg,#ffe6a11c 12deg,transparent 17deg,#f7c56e45 23deg,transparent 28deg,#ffe7b534 35deg,transparent 40deg,#ffd77525 48deg,transparent 55deg);mask-image:linear-gradient(transparent,#000 35%,#000 80%,transparent);filter:blur(3px);transition:opacity 1s ease,transform 1.2s ease;pointer-events:none}
.premium-chest.opened .chest-light-beams{opacity:.85;transform:scaleY(1)}
.chest-flash{position:absolute;inset:8% 3% 10%;z-index:5;border-radius:50%;background:radial-gradient(ellipse at 50% 60%,#fff0c6aa,#f6c06b33 35%,transparent 63%);opacity:0;pointer-events:none}
.chest-seal-glint{position:absolute;left:42%;top:57%;width:8%;aspect-ratio:1;z-index:4;opacity:.6;background:radial-gradient(circle,#fff2d2 0 2%,#ffe5a955 8%,transparent 48%);filter:drop-shadow(0 0 8px #f1bb6888);animation:chest-jewel-shine 4s ease-in-out infinite;pointer-events:none}
.premium-chest.opened .chest-seal-glint{animation:none;opacity:.18}
.chest-particle-canvas{position:absolute;inset:0;display:block;width:100%;height:100%;z-index:6;pointer-events:none}
.chest-sparkles{position:absolute;inset:8% 6% 2%;z-index:4;pointer-events:none}
.chest-sparkles i{position:absolute;width:3px;height:3px;border-radius:50%;background:#f3d299;box-shadow:0 0 7px #efbd7188;opacity:0;animation:chest-idle-mote 5s ease-in-out infinite;animation-delay:var(--delay)}
.premium-chest.charging .chest-art-closed{animation:chest-unlock .6s ease both}
.premium-chest.charging .chest-seal-glint{animation:chest-charge .6s ease both}
.premium-chest.revealing .chest-flash{animation:chest-reveal-light 1.25s ease-out both}
.premium-chest.revealing .chest-light-beams{animation:chest-beam-reveal 2.6s ease-out both}
.premium-chest.revealing .chest-inner-light{animation:chest-inner-reveal 2.6s ease-out both}
#treasureDialog .game-action{background:radial-gradient(ellipse at 50% 0,#f0d29417,transparent 70%),linear-gradient(145deg,#84384f,#4d182b 55%,#241018);border:1px solid #c99b58;border-radius:17px;box-shadow:inset 0 2px 0 #fde1b638,inset 0 -2px 5px #0008,0 6px 22px #0006;text-shadow:0 1px 2px #0007}
#treasureDialog .game-action:hover:not(:disabled){border-color:#f9d69d;box-shadow:inset 0 2px 0 #fde1b638,0 6px 28px #d3a56633}
#treasureDialog .game-action:disabled{cursor:default}
#treasureDialog #chestLedger:not(:empty){position:relative;border-top:1px solid #cda8693d;padding-top:18px;margin-top:12px}
#treasureDialog .gift-result{background:radial-gradient(ellipse at 0 0,#c4924930,transparent 76%),linear-gradient(135deg,#39202b,#181018);border-color:#d4ab6d66;box-shadow:inset 0 1px #f6d8a123,0 8px 22px #0003;animation:chest-gift-arrive .65s ease both}
@keyframes chest-unlock{0%,100%{transform:translateY(0) rotate(0)}25%{transform:translateY(-2px) rotate(-1deg)}55%{transform:translateY(-3px) rotate(1.2deg)}80%{transform:translateY(-2px) rotate(-.5deg)}}
@keyframes chest-charge{0%{opacity:.5;transform:scale(1)}70%{opacity:1;transform:scale(2.4)}100%{opacity:.8;transform:scale(1.3)}}
@keyframes chest-reveal-light{0%{opacity:0;transform:scale(.5)}24%{opacity:.85}100%{opacity:0;transform:scale(1.2)}}
@keyframes chest-beam-reveal{0%{opacity:0;transform:scaleY(.2)}30%{opacity:1;transform:scaleY(1)}100%{opacity:.85;transform:scaleY(1)}}
@keyframes chest-inner-reveal{0%{opacity:0;transform:scale(.6)}25%{opacity:1;transform:scale(1.2)}100%{opacity:.7;transform:scale(1)}}
@keyframes chest-jewel-shine{0%,60%,100%{opacity:.25;transform:scale(.6)}75%{opacity:.8;transform:scale(1.3)}}
@keyframes chest-idle-mote{0%,100%{opacity:0;transform:translateY(4px) scale(.6)}35%{opacity:.65}75%{opacity:0;transform:translateY(-22px) scale(1)}}
@keyframes chest-gift-arrive{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(max-width:360px){.premium-chest.chest-stage{margin-top:0;aspect-ratio:1.05}.chest-art{filter:drop-shadow(0 5px 7px #0005)}}
@media(prefers-reduced-motion:reduce){.chest-art,.chest-inner-light,.chest-light-beams{transition:none!important}.chest-seal-glint,.chest-sparkles,.chest-particle-canvas,.chest-flash{display:none!important}.premium-chest .chest-art,.premium-chest .chest-light-beams,.premium-chest .chest-inner-light,#treasureDialog .gift-result{animation:none!important}}