@keyframes crt-roll{0%{transform:translateY(-30vh)}to{transform:translateY(110vh)}}.effect-crt-roll{display:none;position:fixed;inset:0;pointer-events:none;z-index:99997;overflow:hidden}.effect-crt-roll:before,.effect-crt-roll:after{content:"";position:absolute;left:0;right:0}.effect-crt-roll:before{height:18%;top:0;background:#ffffff05;animation:crt-roll 18s linear infinite}.effect-crt-roll:after{height:8%;top:0;background:#ffffff03;animation:crt-roll 26s linear infinite;animation-delay:-9s}.bg-1993-code{display:none;position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;filter:blur(.5px)}html[data-theme="1993"] .bg-1993-code{display:block}.bg-1993-code pre{font-family:VT323,monospace;font-size:18px;line-height:1.35;color:#3a3a3a;white-space:pre;margin:0;padding:8px 16px;text-shadow:0 0 4px rgba(255,255,255,.1)}.effect-glitch{display:none;position:fixed;inset:0;pointer-events:none;z-index:99998;overflow:hidden}.bg-1998{display:none;position:fixed;inset:0;z-index:0;pointer-events:none}html[data-theme="1998"] .bg-1998{display:block}.bg-1998 canvas{position:absolute;top:0;left:0;display:block;pointer-events:none}.bg-2008{display:none;position:fixed;inset:0;z-index:0;pointer-events:none}html[data-theme="2008"] .bg-2008{display:block}.bg-2008 canvas{position:absolute;top:0;left:0;pointer-events:none}.bg-effect{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;display:var(--bg-effect-display)}#bg-canvas{width:100%;height:100%;filter:blur(2.5px);opacity:.5}body,.top-bar,.window,.title-bar,.status-bar,.dock,.timeline,.editor-toolbar,.finder-toolbar,.book-toolbar,.sheet-formula-bar,.sheet-tabs,.email-header,.email-footer{transition:background var(--theme-transition),color var(--theme-transition),border-color var(--theme-transition),border-radius var(--theme-transition),box-shadow var(--theme-transition)}