@supports (view-transition-name: root){::view-transition-group(*){animation-duration:.55s;animation-timing-function:cubic-bezier(.65,0,.35,1)}::view-transition-old(root),::view-transition-new(root){animation-duration:.35s}}.stack-game-overlay{position:fixed;inset:0;z-index:200;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(6px);display:none}.stack-game-overlay.is-active{display:block}body.stack-game-playing .mobile-nav-dock{display:none}.stack-game-field{position:relative;width:100%;height:100%;overflow:hidden;font-family:ui-monospace,Geist Mono,Menlo,monospace}.stack-game-bricks{position:absolute;inset:72px 16px 120px}@media(min-width:640px){.stack-game-bricks{left:40px;right:40px}}.stack-game-brick{position:absolute;display:flex;align-items:center;justify-content:center;padding:0 6px;border:1px solid var(--border);border-radius:8px;background:color-mix(in srgb,var(--bg-secondary) 96%,transparent);color:var(--text);overflow:hidden;transition:transform .2s ease-out,opacity .3s ease-out;will-change:transform,opacity}.stack-game-brick__label{display:block;max-width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:11px;letter-spacing:.02em;line-height:1.1;text-align:center}.stack-game-brick.is-dead{transform:scale(.4) rotate(-10deg);opacity:0;pointer-events:none}.stack-game-paddle{position:absolute;width:110px;height:10px;border-radius:5px;background:var(--accent);box-shadow:0 0 16px color-mix(in srgb,var(--accent) 60%,transparent);pointer-events:none}.stack-game-ball{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px color-mix(in srgb,var(--accent) 70%,transparent);pointer-events:none}.stack-game-result{position:absolute;top:50%;left:50%;padding:16px 32px;transform:translate(-50%,-50%) scale(.9);font-family:ui-monospace,Geist Mono,Menlo,monospace;font-size:clamp(32px,6vw,56px);font-weight:600;letter-spacing:.04em;color:var(--accent);text-transform:lowercase;text-align:center;text-shadow:0 0 24px color-mix(in srgb,var(--accent) 45%,transparent);pointer-events:none;opacity:0;transition:opacity .35s ease-out,transform .35s cubic-bezier(.34,1.56,.64,1)}.stack-game-result.is-visible{opacity:1;transform:translate(-50%,-50%) scale(1)}.stack-game-hud{position:absolute;top:18px;left:24px;right:24px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.stack-game-msg{color:var(--text-muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}.stack-game-close{pointer-events:auto;padding:4px 10px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--text-muted);font-family:inherit;font-size:11px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:color .15s ease-out}.stack-game-close:hover{color:var(--accent)}.stack-game-popovers{position:fixed;top:72px;right:20px;z-index:210;display:flex;flex-direction:column;gap:8px;pointer-events:none;max-width:calc(100vw - 40px)}.stack-game-popover{padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--accent);border-radius:8px;box-shadow:0 8px 24px #0000004d;color:var(--text);font-family:ui-monospace,Geist Mono,Menlo,monospace;font-size:12px;line-height:1.35;max-width:280px;animation:stack-game-popover-in .25s ease-out,stack-game-popover-out .35s ease-in 2.4s forwards}.stack-game-popover strong{color:var(--accent);font-weight:600}@keyframes stack-game-popover-in{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes stack-game-popover-out{to{transform:translate(20px);opacity:0}}.stack-game-splash{position:absolute;width:0;height:0;pointer-events:none}.stack-game-splash:before,.stack-game-splash:after{content:"";position:absolute;left:0;top:0;width:12px;height:12px;margin-left:-6px;margin-top:-6px;border-radius:50%;border:2px solid #ff8a3d;animation:stack-game-splash-ring .55s ease-out forwards}.stack-game-splash:after{border-color:#ffd1a8;animation-delay:.08s}@keyframes stack-game-splash-ring{0%{transform:scale(.4);opacity:1}to{transform:scale(4.5);opacity:0}}.stack-game-moyai{position:absolute;font-size:30px;line-height:1;pointer-events:none;will-change:transform,opacity;transform:translate(-50%,-50%);animation:stack-game-moyai-fly 1.1s cubic-bezier(.4,0,.2,1) forwards}@keyframes stack-game-moyai-fly{0%{transform:translate(-50%,-50%) scale(.3) rotate(0);opacity:0}15%{transform:translate(-50%,-50%) scale(1.15) rotate(0);opacity:1}to{transform:translate(calc(-50% + var(--tx, 0px)),calc(-50% + var(--ty, 0px))) scale(.75) rotate(var(--rot, 0deg));opacity:0}}.stack-play-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid color-mix(in srgb,var(--text-muted) 50%,transparent);border-radius:50%;background:transparent;color:var(--text-secondary);cursor:pointer;transition:color .15s ease-out,border-color .15s ease-out,background-color .15s ease-out,transform .15s ease-out}.stack-play-btn:hover{color:var(--accent);border-color:var(--accent);background-color:color-mix(in srgb,var(--accent) 8%,transparent);transform:scale(1.06)}.stack-play-btn:active{transform:scale(.94)}.stack-play-btn svg{width:12px;height:12px;margin-left:1px}