*{margin:0;padding:0;box-sizing:border-box}:root{--sky-top: #ffe3c8;--sky-bottom: #f3a6a0;--board-bg: #fff6ec;--text: #5b4358;--text-dim: #a08698;--panel: #ffffffcc;--accent: #e2725b;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px)}html,body{height:100%;overflow:hidden;overscroll-behavior:none}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,var(--sky-top),var(--sky-bottom));transition:background .8s ease;color:var(--text);-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;position:fixed;inset:0}#app{height:100dvh;display:flex;flex-direction:column;padding:calc(var(--safe-top) + 8px) calc(var(--safe-right) + 12px) calc(var(--safe-bottom) + 8px) calc(var(--safe-left) + 12px);touch-action:none}.game-shell{flex:1;display:flex;flex-direction:column;align-items:center;gap:10px;min-height:0;width:100%;max-width:560px;margin:0 auto}.hud{display:flex;align-items:flex-start;justify-content:space-between;width:100%;gap:8px}.hud-side{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--panel);border-radius:14px;padding:8px 10px;min-width:72px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.hud-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--text-dim)}.hud-side canvas{width:52px;height:34px}.next-stack{display:flex;flex-direction:column;gap:2px}.next-stack canvas.next-small{width:40px;height:26px;opacity:.6}.hud-mid{flex:1;text-align:center;padding-top:2px}.score{font-size:1.9rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}.hud-sub{font-size:.8rem;color:var(--text-dim);font-weight:600}.theme-name{font-size:.68rem;color:var(--text-dim);letter-spacing:.14em;text-transform:uppercase;margin-top:2px}.board-wrap{flex:1;min-height:0;width:100%;display:flex;align-items:center;justify-content:center;touch-action:none}#board{aspect-ratio:1 / 2;max-height:100%;max-width:100%;border-radius:16px;box-shadow:0 12px 40px #28143c2e;touch-action:none}.btn-bar{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;width:100%}.btn-bar.hidden{display:none}.ctrl-btn{appearance:none;border:none;background:var(--panel);color:var(--text);border-radius:14px;font-size:1.25rem;padding:12px 0;font-weight:700;cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);touch-action:none;transition:transform .06s ease}.ctrl-btn:active{transform:scale(.92)}.overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:calc(var(--safe-top) + 20px) calc(var(--safe-right) + 20px) calc(var(--safe-bottom) + 20px) calc(var(--safe-left) + 20px);background:linear-gradient(180deg,var(--sky-top),var(--sky-bottom));transition:opacity .3s ease;z-index:10;overflow:hidden}.overlay.translucent{background:color-mix(in srgb,var(--sky-bottom) 55%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.overlay.gone{opacity:0;pointer-events:none}.sheet{width:100%;max-width:380px;max-height:100%;overflow-y:auto;text-align:center;display:flex;flex-direction:column;gap:14px;align-items:stretch}.title{font-size:2.3rem;font-weight:800;letter-spacing:.02em;line-height:1.1}.subtitle{color:var(--text-dim);font-weight:600;font-size:.9rem;letter-spacing:.16em;text-transform:uppercase}.big-number{font-size:3rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}.badge{align-self:center;background:var(--accent);color:#fff;font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;border-radius:999px;padding:6px 14px}.menu-btn{appearance:none;border:none;border-radius:16px;padding:15px 20px;font-size:1.05rem;font-weight:700;cursor:pointer;background:var(--panel);color:var(--text);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:transform .06s ease}.menu-btn:active{transform:scale(.97)}.menu-btn.primary{background:var(--accent);color:#fff}.toggle-row{display:flex;align-items:center;justify-content:space-between;background:var(--panel);border-radius:16px;padding:12px 16px;font-weight:600;font-size:.95rem}.toggle-value{color:var(--accent);font-weight:700}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.stat{background:var(--panel);border-radius:14px;padding:10px 4px}.stat b{display:block;font-size:1.1rem;font-variant-numeric:tabular-nums}.stat span{font-size:.62rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);font-weight:700}.history-list{display:flex;flex-direction:column;gap:6px;max-height:44dvh;overflow-y:auto;-webkit-overflow-scrolling:touch;touch-action:pan-y}.history-row{display:flex;justify-content:space-between;align-items:baseline;background:var(--panel);border-radius:12px;padding:10px 14px;font-size:.85rem;font-weight:600}.history-row .when{color:var(--text-dim);font-size:.72rem;font-weight:500}.history-row .pts{font-variant-numeric:tabular-nums;font-weight:800}.history-empty{color:var(--text-dim);padding:20px 0;font-weight:600}.pause-btn{appearance:none;border:none;background:var(--panel);color:var(--text-dim);border-radius:999px;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 14px;margin-top:6px;cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:none}.pause-btn.visible{display:inline-block}@media(min-height:700px){.hud-side canvas{width:60px;height:40px}}