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infinite;animation-delay:var(--bolt-delay,0s)}.theme-transition__spark{position:absolute;left:var(--spark-left,50%);top:var(--spark-top,50%);width:4px;height:4px;border-radius:50%;background:var(--spark-hue,#00f5ff);box-shadow:0 0 6px var(--spark-hue,#00f5ff),0 0 14px var(--spark-hue,#00f5ff),0 0 28px var(--spark-hue,#00f5ff);transform:translate(-50%,-50%);opacity:0;animation:theme-spark-flicker var(--spark-duration,.45s) ease-out infinite;animation-delay:var(--spark-delay,0s)}.theme-transition__spark:after,.theme-transition__spark:before{content:"";position:absolute;left:50%;top:50%;background:var(--spark-hue,#00f5ff);box-shadow:0 0 8px var(--spark-hue,#00f5ff)}.theme-transition__spark:before{width:2px;height:12px;transform:translate(-50%,-50%) rotate(var(--spark-rot,0deg))}.theme-transition__spark:after{width:12px;height:2px;transform:translate(-50%,-50%) rotate(calc(var(--spark-rot, 0deg) + 90deg))}@keyframes 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scale(.7)}65%{opacity:.95;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(.4)}}.theme-transition--hellokitty{background:rgba(255,214,235,.55);animation:theme-kawaii-bg 1.85s ease-out forwards}.theme-transition__kawaii-wash{position:absolute;inset:0;background:radial-gradient(circle at 50% 40%,rgba(255,240,248,.95),rgba(255,182,213,.75));animation:theme-kawaii-wash 1.85s ease-out forwards}.theme-transition__heart{position:absolute;left:var(--heart-left,50%);top:var(--heart-top,50%);width:var(--heart-size,14px);height:var(--heart-size,14px);background:var(--heart-color,#ff6bb5);transform:translate(-50%,-50%) rotate(45deg);border-radius:0 50% 0 50%;opacity:0;box-shadow:0 0 12px rgba(255,105,180,.45);animation:theme-heart-float var(--heart-duration,1.4s) ease-out forwards;animation-delay:var(--heart-delay,0s)}.theme-transition__heart:before{content:"";position:absolute;width:100%;height:100%;background:inherit;border-radius:50% 50% 0 50%;transform:rotate(-90deg);left:-50%;top:0}.theme-transition__sparkle{position:absolute;left:var(--sparkle-left,50%);top:var(--sparkle-top,50%);width:6px;height:6px;background:var(--sparkle-color,#fff);transform:translate(-50%,-50%) rotate(45deg);opacity:0;box-shadow:0 0 8px var(--sparkle-color,#fff);animation:theme-sparkle-pop var(--sparkle-duration,.6s) ease-out forwards;animation-delay:var(--sparkle-delay,0s)}.theme-transition__sparkle:after,.theme-transition__sparkle:before{content:"";position:absolute;left:50%;top:50%;background:var(--sparkle-color,#fff);transform:translate(-50%,-50%)}.theme-transition__sparkle:before{width:2px;height:10px}.theme-transition__sparkle:after{width:10px;height:2px}@keyframes theme-kawaii-bg{0%{opacity:0}15%{opacity:1}to{opacity:0}}@keyframes theme-kawaii-wash{0%{opacity:0;transform:scale(1.05)}20%{opacity:1}to{opacity:0;transform:scale(1)}}@keyframes theme-heart-float{0%{opacity:0;transform:translate(-50%,-50%) rotate(45deg) 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forwards}.theme-transition__column{position:absolute;bottom:-10%;left:var(--column-left,50%);width:28px;height:55vh;background:linear-gradient(180deg,rgba(201,162,39,.15),rgba(242,230,204,.08) 15%,rgba(201,162,39,.12) 16%,rgba(242,230,204,.06) 32%,rgba(201,162,39,.1) 33%,rgba(60,48,32,.35));border-left:1px solid rgba(201,162,39,.25);border-right:1px solid rgba(201,162,39,.25);opacity:0;animation:theme-column-rise var(--column-duration,1.2s) ease-out forwards;animation-delay:var(--column-delay,0s)}.theme-transition__laurel{position:absolute;left:var(--laurel-left,50%);top:var(--laurel-top,20%);width:48px;height:48px;border:2px solid rgba(201,162,39,.5);border-radius:50%;opacity:0;box-shadow:0 0 16px rgba(201,162,39,.25);animation:theme-laurel-appear 1.4s ease-out forwards;animation-delay:var(--laurel-delay,0s)}.theme-transition__laurel:before{content:"SPQR";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:.55rem;font-weight:700;letter-spacing:.08em;color:rgba(212,175,55,.75)}@keyframes theme-imperialis-bg{0%{opacity:0}12%{opacity:1}to{opacity:0}}@keyframes theme-imperialis-marble{0%{opacity:0}20%{opacity:1}to{opacity:0}}@keyframes theme-imperialis-gold-sweep{0%{opacity:0;transform:translateX(-30%)}30%{opacity:.85}to{opacity:0;transform:translateX(30%)}}@keyframes theme-column-rise{0%{opacity:0;transform:translateY(30%)}25%{opacity:.75}to{opacity:0;transform:translateY(0)}}@keyframes theme-laurel-appear{0%{opacity:0;transform:scale(.4)}35%{opacity:.8;transform:scale(1)}to{opacity:0;transform:scale(1.05)}}.theme-transition--wh40k{background:rgba(6,5,4,.92);animation:theme-wh40k-bg 2.3s ease-out forwards}.theme-transition__wh40k-smoke{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 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rgba(139,26,26,.5);border-radius:50%}.theme-transition__cog:after{content:"";position:absolute;left:50%;top:50%;width:12%;height:115%;background:rgba(201,120,42,.45);transform:translate(-50%,-50%);box-shadow:0 0 0 0 transparent}.theme-transition__wh40k-ember{position:absolute;left:var(--ember-left,50%);top:var(--ember-top,50%);width:var(--ember-size,4px);height:var(--ember-size,4px);border-radius:50%;background:var(--ember-color,#c9782a);opacity:0;box-shadow:0 0 10px var(--ember-color,#c9782a);animation:theme-wh40k-ember var(--ember-duration,.8s) ease-out forwards;animation-delay:var(--ember-delay,0s)}@keyframes theme-wh40k-bg{0%{opacity:0}12%{opacity:1}to{opacity:0}}@keyframes theme-wh40k-smoke{0%{opacity:0;transform:scale(1.08)}25%{opacity:1}to{opacity:0;transform:scale(1)}}@keyframes theme-wh40k-scan{0%{top:-4%;opacity:0}15%{opacity:1}to{top:104%;opacity:0}}@keyframes theme-wh40k-cog{0%{opacity:0;transform:translate(-50%,-50%) rotate(0deg) scale(.3)}30%{opacity:.85}to{opacity:0;transform:translate(-50%,-50%) rotate(180deg) scale(1.1)}}@keyframes theme-wh40k-ember{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}40%{opacity:1}to{opacity:0;transform:translate(-50%,calc(-50% - 24px)) scale(.2)}}.theme-transition--sheep{background:#8ec4e8;animation:theme-sheep-bg 1.9s ease-out forwards}.theme-transition__sheep-sky{position:absolute;inset:0;background:linear-gradient(180deg,#8ec4e8,#c8e4ed 55%,#dceef5);animation:theme-sheep-sky 1.9s ease-out forwards}.theme-transition__sheep-hills{position:absolute;left:0;right:0;bottom:0;height:42%;background:radial-gradient(ellipse 55% 100% at 20% 100%,rgba(74,130,90,.85) 0,transparent 72%),radial-gradient(ellipse 50% 100% at 55% 100%,rgba(58,110,78,.8) 0,transparent 70%),radial-gradient(ellipse 45% 100% at 85% 100%,rgba(68,120,88,.75) 0,transparent 68%);animation:theme-sheep-hills 1.9s ease-out forwards}.theme-transition__sheep-cloud{position:absolute;left:var(--cloud-left,20%);top:var(--cloud-top,15%);width:var(--cloud-width,100px);height:calc(var(--cloud-width, 100px) * .35);border-radius:50%;background:rgba(255,255,255,.75);box-shadow:calc(var(--cloud-width, 100px) * .25) calc(var(--cloud-width, 100px) * -.08) 0 rgba(255,255,255,.65),calc(var(--cloud-width, 100px) * -.2) calc(var(--cloud-width, 100px) * -.05) 0 rgba(255,255,255,.55);opacity:0;animation:theme-sheep-cloud var(--cloud-duration,1.6s) ease-out forwards;animation-delay:var(--cloud-delay,0s)}@keyframes theme-sheep-bg{0%{opacity:1}to{opacity:0}}@keyframes theme-sheep-sky{0%{opacity:0;transform:scale(1.05)}25%{opacity:1}to{opacity:0;transform:scale(1)}}@keyframes theme-sheep-hills{0%{opacity:0;transform:translateY(20%)}30%{opacity:1}to{opacity:0;transform:translateY(0)}}@keyframes theme-sheep-cloud{0%{opacity:0;transform:translateX(-12px)}35%{opacity:.85}to{opacity:0;transform:translateX(8px)}}@media (prefers-reduced-motion:reduce){.theme-transition{display:none}}