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.sq-op[data-op=\+] .sq-chip-face{border-style:solid}:root[data-theme=photocopy] .sq-op[data-op=−] .sq-chip-face{border-style:dashed}:root[data-theme=photocopy] .sq-op[data-op=÷] .sq-chip-face{border-style:dotted}:root[data-theme=photocopy] .sq-op[data-op=×] .sq-chip-face{border-style:double;border-width:4px}:root[data-theme=photocopy] .sq-menu-btn[data-op=\+]{border-style:solid}:root[data-theme=photocopy] .sq-menu-btn[data-op=−]{border-style:dashed}:root[data-theme=photocopy] .sq-menu-btn[data-op=÷]{border-style:dotted}:root[data-theme=photocopy] .sq-menu-btn[data-op=×]{border-style:double;border-width:4px}:root[data-theme=photocopy] .sq-hud-pill[data-op=\+]{border-style:solid}:root[data-theme=photocopy] .sq-hud-pill[data-op=−]{border-style:dashed}:root[data-theme=photocopy] .sq-hud-pill[data-op=÷]{border-style:dotted}:root[data-theme=photocopy] .sq-hud-pill[data-op=×]{border-style:double;border-width:3px}:root[data-appearance=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--shadow-ink:0, 0, 0;--shadow-tile:0 1.5px 0 rgba(var(--shadow-ink), .4), 0 6px 16px -8px rgba(var(--shadow-ink), .6);--shadow-tile-hover:0 3px 0 rgba(var(--shadow-ink), .42), 0 14px 26px -10px rgba(var(--shadow-ink), .62);--shadow-chip:0 1.5px 0 rgba(var(--shadow-ink), .45), 0 4px 11px -5px rgba(var(--shadow-ink), .6);--shadow-menu:0 2px 0 rgba(var(--shadow-ink), .45), 0 12px 24px -10px rgba(var(--shadow-ink), .66)}:root{--radius-sm:11px;--radius-md:16px;--radius-lg:22px;--grid-size:26px;--shadow-ink:44, 42, 38;--shadow-tile:0 2.5px 0 rgba(var(--shadow-ink), .12), 0 7px 16px -6px rgba(var(--shadow-ink), .28);--shadow-tile-hover:0 5px 0 rgba(var(--shadow-ink), .13), 0 16px 26px -8px rgba(var(--shadow-ink), .3);--shadow-chip:0 2px 0 rgba(var(--shadow-ink), .14), 0 5px 11px -4px rgba(var(--shadow-ink), .32);--shadow-menu:0 3px 0 rgba(var(--shadow-ink), .14), 0 12px 24px -8px rgba(var(--shadow-ink), .38);--word-min-width:66px;--word-height:46px;--word-pad:.42rem .9rem;--input-width:6ch;--input-max-width:14ch;--chip-size:36px;--chip-font:1.15rem;--menu-btn-size:46px;--font-display:"Fredoka", ui-rounded, system-ui, sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;--title-size:1.6rem;--header-pad:.7rem 1.4rem;--btn-bg:transparent;--btn-bg-hover:var(--paper-tile);--node-bg:var(--paper-tile);--node-fg:var(--ink);--node-border:var(--line);--node-shadow:var(--shadow-tile);--start-bg:var(--sky-tint);--start-border:var(--sky);--start-fg:var(--sky-deep);--goal-bg:var(--gold-tint);--goal-border:var(--gold);--goal-fg:var(--gold-deep);--node-editing-bg:var(--paper-tile);--node-editing-border:var(--accent);--chip-bg:var(--paper-tile);--chip-fg:var(--ink-soft);--chip-border:var(--line);--op-bg:var(--divide-tint);--op-fg:var(--divide-deep);--op-border:var(--divide);--delete-bg:var(--coral-tint);--delete-fg:var(--coral);--delete-border:var(--coral);--edge-width:3px;--edge-win-color:var(--gold);--edge-solved-color:var(--gold);--edge-solved-width:4px;--edge-solved-glow:var(--goal-glow);--menu-bg:var(--paper-tile);--menu-fg:var(--accent-deep);--menu-border:var(--accent);--menu-bg-hover:var(--accent);--menu-border-active:var(--accent-deep);--menu-shadow:var(--shadow-menu);--menu-pop-dur:.3s;--focus-ring:var(--accent);--goal-pulse:var(--goal-glow-strong);--z-header:100;--z-modal:1000;--ease-spring:cubic-bezier(.34, 1.55, .5, 1);--ease-out:cubic-bezier(.22, 1, .36, 1);--dur-fast:.13s;--dur:.22s;--dur-slow:.46s;--sheet-inset:12px;--sheet-max-h:62vh}@keyframes sq-sheet-rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){@keyframes sq-sheet-rise{0%{opacity:0}to{opacity:1}}}*{box-sizing:border-box;margin:0;padding:0}html,body{overscroll-behavior-y:contain;width:100%;height:100%}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body{font-family:var(--font-display,system-ui);background-color:var(--paper,#fafaf7);color:var(--ink,#2c2a26);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;-webkit-tap-highlight-color:transparent}.graph-paper{background-color:var(--paper,#fafaf7);background-image:radial-gradient(120% 120% at 50% 0%, var(--paper-sheen,#ffffff80) 0%, transparent 55%), repeating-linear-gradient(0deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent var(--grid-size,26px)), repeating-linear-gradient(90deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent var(--grid-size,26px)), repeating-linear-gradient(0deg, var(--grid-line-major) 0, var(--grid-line-major) 1.5px, transparent 1.5px, transparent calc(var(--grid-size,26px) * 5)), repeating-linear-gradient(90deg, var(--grid-line-major) 0, var(--grid-line-major) 1.5px, transparent 1.5px, transparent calc(var(--grid-size,26px) * 5))}#root{flex-direction:column;height:100%;display:flex}.app-header{padding:var(--header-pad,.75rem 1.25rem);border-bottom:1.5px solid 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var(--ease-spring,ease) both;padding:1.05rem 1.2rem 1.1rem 1.5rem;position:relative;overflow:hidden}.sq-confirm-slip:before{content:"";background:var(--coral,#ef476f);opacity:.45;width:2px;position:absolute;top:0;bottom:0;left:.72rem}.sq-confirm-title{font-family:var(--font-display,inherit);color:var(--ink,#2c2a26);margin:0;font-size:1.05rem;font-weight:600}.sq-confirm-body{color:var(--ink-soft,#78766c);margin:.4rem 0 0;font-size:.88rem;line-height:1.45}.sq-confirm-actions{justify-content:flex-end;gap:.5rem;margin-top:1rem;display:flex}.sq-confirm-btn{border-radius:var(--radius-sm,11px);border:1.5px solid var(--btn-border,#54627442);background:var(--paper-tile,#fff);cursor:pointer;font-family:var(--font-display,inherit);color:var(--ink,#2c2a26);transition:background var(--dur-fast,.13s) var(--ease-out,ease), color var(--dur-fast,.13s) var(--ease-out,ease);padding:.44rem 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var(--focus-ring);outline-offset:2px}.sq-next{font-family:var(--font-display);color:var(--ink-soft);font-size:.83rem;line-height:1.4}.sq-next-clock{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--accent-deep);font-weight:600}