:root{--paper:#f7f6f3;--paper-raised:#fffefb;--ink:#1b1b1f;--ink-soft:#4a4a52;--ink-faint:#85858f;--rule:#d9d7d0;--rule-strong:#2a2a30;--accent:#0f5c4e;--accent-soft:#e3efec;--accent-alt:#7b3450;--given:#1b1b1f;--entered:#0f5c4e;--error:#a8322a;--error-soft:#f8e7e5;--highlight:#fdf3d4;--highlight-peer:#f0efe9;--focus:#1f6feb;--font-body:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;--font-display:'Iowan Old Style','Palatino Linotype',Palatino,Georgia,serif;--radius:10px;--shadow:0 1px 2px rgb(27 27 31 / 6%),0 8px 24px rgb(27 27 31 / 6%)}@media (prefers-color-scheme:dark){:root{--paper:#15151a;--paper-raised:#1d1d24;--ink:#ececf0;--ink-soft:#b0b0bb;--ink-faint:#7c7c88;--rule:#34343e;--rule-strong:#8e8e9c;--accent:#5fd0b5;--accent-soft:#16302b;--accent-alt:#e39ab6;--given:#ececf0;--entered:#5fd0b5;--error:#ff8a7d;--error-soft:#3a1f1c;--highlight:#33301f;--highlight-peer:#23232b;--shadow:0 1px 2px rgb(0 0 0 / 30%),0 8px 24px rgb(0 0 0 / 25%)}}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}.wrap{width:min(1140px,100% - 2.5rem);margin-inline:auto}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:1rem;top:1rem;z-index:10;background:var(--paper-raised);padding:0.5rem 0.9rem;border-radius:var(--radius)}.site-header{border-bottom:1px solid var(--rule);background:var(--paper-raised)}.header-inner{display:flex;align-items:baseline;gap:1rem;padding:0.9rem 0;flex-wrap:wrap}.brand{display:inline-flex;align-items:center;gap:0.55rem;text-decoration:none;color:inherit}.brand-mark{display:block;flex:none;width:1.55rem;height:1.55rem}.brand-text{font-family:var(--font-display);font-size:1.3rem;font-weight:600;letter-spacing:0.01em}.brand-tagline{margin:0;color:var(--ink-faint);font-size:0.82rem;letter-spacing:0.04em;text-transform:uppercase}.day-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.6rem 0 0.9rem}.day-label{text-align:center;flex:1}.day-label h1{font-family:var(--font-display);font-size:clamp(1.35rem,1rem + 1.4vw,1.9rem);margin:0;font-weight:600}.day-label p{margin:0.15rem 0 0;font-size:0.85rem}.muted{color:var(--ink-faint)}.day-nav{border:1px solid var(--rule);background:var(--paper-raised);color:var(--ink-soft);border-radius:999px;width:2.4rem;height:2.4rem;font-size:1rem;cursor:pointer;transition:border-color 0.15s,color 0.15s}.day-nav:hover:not(:disabled){border-color:var(--rule-strong);color:var(--ink)}.day-nav:disabled{opacity:0.32;cursor:default}.band-tabs{display:flex;gap:0.4rem;flex-wrap:wrap;justify-content:center;border-bottom:1px solid var(--rule);padding-bottom:0.75rem;margin-bottom:1.5rem}.band-tab{border:1px solid transparent;background:transparent;color:var(--ink-soft);border-radius:var(--radius);padding:0.45rem 0.85rem;font:inherit;font-size:0.92rem;cursor:pointer;line-height:1.25}.band-tab:hover{background:var(--highlight-peer)}.band-tab[aria-selected='true']{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,transparent);color:var(--ink);font-weight:600}.layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,21rem);gap:2rem;align-items:start;padding-bottom:3rem}@media (max-width:900px){.layout{grid-template-columns:minmax(0,1fr)}}.board-column{display:flex;flex-direction:column;align-items:center;gap:1rem}.board-frame{width:min(34rem,100%)}.board{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));grid-template-rows:repeat(9,minmax(0,1fr));aspect-ratio:1;background:var(--rule-strong);border:2.5px solid var(--rule-strong);border-radius:4px;gap:1px;overflow:hidden;user-select:none;touch-action:manipulation}.board:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.cell{position:relative;background:var(--paper-raised);border:0;padding:0;font:inherit;color:var(--entered);display:grid;place-items:center;cursor:pointer;font-size:clamp(1.05rem,3.4vw,1.65rem);font-variant-numeric:tabular-nums;transition:background-color 0.12s}.cell[data-box-right]{box-shadow:inset -2px 0 0 var(--rule-strong)}.cell[data-box-bottom]{box-shadow:inset 0 -2px 0 var(--rule-strong)}.cell[data-box-right][data-box-bottom]{box-shadow:inset -2px 0 0 var(--rule-strong),inset 0 -2px 0 var(--rule-strong)}.cell.given{color:var(--given);font-weight:650}.cell.peer{background:var(--highlight-peer)}.cell.same-digit{background:var(--highlight)}.cell.selected{background:var(--accent-soft);box-shadow:inset 0 0 0 2px var(--accent)}.cell.selected[data-box-right]{box-shadow:inset 0 0 0 2px var(--accent),inset -2px 0 0 var(--rule-strong)}.cell.selected[data-box-bottom]{box-shadow:inset 0 0 0 2px var(--accent),inset 0 -2px 0 var(--rule-strong)}.cell.wrong{background:var(--error-soft);color:var(--error)}.cell.hint-pattern{background:var(--highlight);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--accent) 55%,transparent)}.cell.hint-target{background:var(--accent-soft);box-shadow:inset 0 0 0 3px var(--accent)}.cell .marks{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);width:100%;height:100%;font-size:0.34em;line-height:1;color:var(--ink-faint);font-weight:500}.cell .marks span{display:grid;place-items:center}.cell .marks span.doomed{color:var(--error);text-decoration:line-through}.keypad{display:grid;grid-template-columns:repeat(9,1fr);gap:0.35rem;width:min(34rem,100%)}.key{border:1px solid var(--rule);background:var(--paper-raised);color:var(--ink);border-radius:8px;padding:0.6rem 0;font:inherit;font-size:1.1rem;font-variant-numeric:tabular-nums;cursor:pointer;position:relative}.key:hover{border-color:var(--rule-strong)}.key .remaining{position:absolute;right:3px;bottom:1px;font-size:0.6rem;color:var(--ink-faint)}.key.done{opacity:0.4}.tools{display:flex;flex-wrap:wrap;gap:0.4rem;justify-content:center;width:min(34rem,100%)}.tool{border:1px solid var(--rule);background:var(--paper-raised);color:var(--ink-soft);border-radius:8px;padding:0.42rem 0.75rem;font:inherit;font-size:0.86rem;cursor:pointer;display:inline-flex;align-items:center;gap:0.4rem}.tool:hover{border-color:var(--rule-strong);color:var(--ink)}.tool[aria-pressed='true']{background:var(--accent-soft);border-color:var(--accent);color:var(--ink);font-weight:600}.tool-accent{border-color:color-mix(in srgb,var(--accent) 45%,var(--rule));color:var(--accent);font-weight:600}.tool-quiet{color:var(--ink-faint)}.tool-key{font-size:0.7rem;color:var(--ink-faint);border:1px solid var(--rule);border-radius:4px;padding:0 0.25rem}.status{min-height:3rem;margin:0;text-align:center;font-size:0.92rem;color:var(--ink-soft);max-width:34rem}.status.is-error{color:var(--error)}.status.is-good{color:var(--accent);font-weight:600}.status .technique-name{font-weight:650;color:var(--ink)}.card{background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--radius);padding:1.1rem 1.2rem;margin-bottom:1rem;box-shadow:var(--shadow)}.card h2{font-family:var(--font-display);font-size:1.1rem;margin:0 0 0.35rem;font-weight:600}.card h3{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--ink-faint);margin:1.1rem 0 0.5rem;font-weight:600}.card p{margin:0 0 0.6rem;font-size:0.88rem}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.55rem 1rem;margin:0.9rem 0 0}.stat-grid div{margin:0}.stat-grid dt{font-size:0.72rem;text-transform:uppercase;letter-spacing:0.05em;color:var(--ink-faint)}.stat-grid dd{margin:0;font-size:1.15rem;font-family:var(--font-display);font-variant-numeric:tabular-nums}.stat-grid dd small{font-family:var(--font-body);font-size:0.72rem;color:var(--ink-faint);margin-left:0.2rem}.technique-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0.3rem}.technique-list li{display:flex;justify-content:space-between;gap:0.75rem;font-size:0.85rem;padding:0.22rem 0;border-bottom:1px dotted var(--rule)}.technique-list li:last-child{border-bottom:0}.technique-list .tier{color:var(--ink-faint);font-size:0.74rem;white-space:nowrap}.technique-list li[data-tier='3'] .name,.technique-list li[data-tier='4'] .name,.technique-list li[data-tier='5'] .name{font-weight:650;color:var(--accent)}.fine-print{font-size:0.76rem;color:var(--ink-faint);margin:1rem 0 0;line-height:1.45}.print-links{display:flex;flex-direction:column;gap:0.4rem}.print-links a{color:var(--ink);text-decoration:none;font-size:0.88rem;border:1px solid var(--rule);border-radius:8px;padding:0.45rem 0.7rem;display:flex;justify-content:space-between;align-items:center;gap:0.5rem}.print-links a:hover{border-color:var(--rule-strong);background:var(--highlight-peer)}.print-links a span{color:var(--ink-faint);font-size:0.75rem}.timer{font-family:var(--font-display);font-size:2rem;font-variant-numeric:tabular-nums;margin:0 0 0.5rem}.empty-state{text-align:center;padding:4rem 1rem;color:var(--ink-faint)}.site-footer{border-top:1px solid var(--rule);padding:1.5rem 0 2.5rem;color:var(--ink-faint);font-size:0.82rem}.site-footer p{margin:0;max-width:60ch}.support-link{color:inherit;text-decoration-color:color-mix(in srgb,currentColor 40%,transparent);text-underline-offset:0.2em;white-space:nowrap}.support-link:hover,.support-link:focus-visible{color:var(--accent);text-decoration-color:currentColor}.print-only{display:none}@page{size:A4 portrait;margin:14mm}@media print{.site-header,.site-footer,.day-bar,.band-tabs,.keypad,.tools,.status,.side-column,.tiles,.skip-link{display:none !important}.print-only{display:block}html,body{background:#fff;color:#000;font-size:10pt}.wrap{width:100%;margin:0}.layout{display:block;padding:0}.board-column{display:block}.print-head{display:flex;align-items:baseline;justify-content:space-between;border-bottom:0.4pt solid #000;padding-bottom:2mm;margin-bottom:8mm;font-size:8.5pt;letter-spacing:0.06em;text-transform:uppercase}.print-title{text-align:center;margin:0 0 7mm}.print-title strong{display:block;font-family:var(--font-display);font-size:20pt;font-weight:600;letter-spacing:0.02em;text-transform:uppercase}.print-title span{display:block;margin-top:1.5mm;font-size:8.5pt}.board-frame{width:148mm;margin:0 auto}.board{width:148mm;height:148mm;gap:0;background:none;border:2pt solid #000;border-radius:0;box-shadow:none;break-inside:avoid;page-break-inside:avoid}.cell{background:none !important;box-shadow:none !important;color:#000 !important;border-right:0.3pt solid #777;border-bottom:0.3pt solid #777;font-size:15pt;font-weight:400}.cell.given{font-weight:700}.cell[data-box-right]{border-right:2pt solid #000}.cell[data-box-bottom]{border-bottom:2pt solid #000}.cell:nth-child(9n){border-right:0}.cell:nth-child(n + 73){border-bottom:0}.cell .marks{font-size:5pt;color:#444}.cell .marks span.doomed{text-decoration:line-through}.print-grading{margin:7mm auto 0;max-width:148mm;text-align:center;font-size:8pt;line-height:1.5;color:#333}.print-grading span{display:block}.print-foot{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-between;border-top:0.4pt solid #000;padding-top:2mm;font-size:7.5pt;color:#333}.archive-pdf,.print-links{display:none !important}}.inline-apply{margin-left:0.5rem;padding:0.15rem 0.5rem;font-size:0.78rem;vertical-align:baseline}.band-tab,a.day-nav{text-decoration:none}a.day-nav{display:grid;place-items:center;color:var(--ink-soft)}.day-nav.is-disabled{display:grid;place-items:center;border:1px solid var(--rule);background:var(--paper-raised);color:var(--ink-soft);border-radius:999px;width:2.4rem;height:2.4rem;font-size:1rem;opacity:0.32}.board[data-static] .cell{cursor:default;color:var(--given);font-weight:650}.archive-wrap{overflow-x:auto;padding-bottom:2rem}.archive{width:100%;border-collapse:collapse;font-size:0.9rem}.archive th,.archive td{text-align:left;padding:0.55rem 0.7rem;border-bottom:1px solid var(--rule);vertical-align:top;white-space:nowrap}.archive thead th{font-size:0.72rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--ink-faint);font-weight:600}.archive tbody th{font-weight:600}.archive a{color:var(--ink);text-decoration:none}.archive a:hover{color:var(--accent);text-decoration:underline}.archive-meta{display:block;font-size:0.72rem;color:var(--ink-faint)}.archive-pdf a{color:var(--accent);font-weight:600}.prose{max-width:64ch;padding-bottom:3rem}.prose h2{font-family:var(--font-display);font-size:1.2rem;margin:2rem 0 0.5rem;font-weight:600}.prose p{margin:0 0 1rem}.prose .archive{margin:1.5rem 0}.empty-state a{color:var(--accent)}.screen-only{display:block}.sheet-tools{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem;padding:1.5rem 0 0.5rem}.sheet-tools label{display:inline-flex;align-items:center;gap:0.4rem;cursor:pointer}.sheet-tools a{text-decoration:none}.sheet-title{font-family:var(--font-display);font-size:clamp(1.3rem,1rem + 1.2vw,1.7rem);font-weight:600;margin:0.75rem 0 0.15rem;text-align:center}.sheet-sub{margin:0 0 1.5rem;text-align:center;font-size:0.85rem;color:var(--ink-faint)}.sheet-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem 2.5rem;padding-bottom:2.5rem}@media (max-width:700px){.sheet-grid{grid-template-columns:minmax(0,1fr)}}.sheet-item{margin:0}.sheet-item figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:0.75rem;margin-bottom:0.4rem}.sheet-item figcaption strong{font-family:var(--font-display);font-size:1.05rem;font-weight:600}.sheet-item figcaption span,.sheet-note{font-size:0.75rem;color:var(--ink-faint)}.sheet-note{margin:0.4rem 0 0}@media print{.screen-only{display:none !important}.sheet{break-inside:avoid;page-break-inside:avoid}.sheet-solutions{break-before:page;page-break-before:always}.sheet-title{font-size:15pt;margin:0 0 1mm}.sheet-sub{font-size:8pt;margin:0 0 7mm}.sheet-grid{grid-template-columns:85mm 85mm;justify-content:space-between;gap:7mm 12mm;padding:0}.sheet-item .board{width:85mm;height:85mm}.sheet-item .cell{font-size:9pt}.sheet-item figcaption strong{font-size:10.5pt}.sheet-item figcaption span,.sheet-note{font-size:7pt;color:#444}.sheet-solutions .cell{font-weight:400;color:#555 !important}.sheet-solutions .cell.given{font-weight:700;color:#000 !important}}.crumbs{padding:1.5rem 0 0;font-size:0.85rem}.crumbs a{color:var(--ink-faint);text-decoration:none}.crumbs a:hover{color:var(--accent)}.technique-head{margin-bottom:1.5rem}.technique-tier{margin:0.75rem 0 0.25rem;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--ink-faint)}.technique h1{font-family:var(--font-display);font-size:clamp(1.5rem,1.1rem + 1.6vw,2.1rem);font-weight:600;margin:0 0 0.4rem}.technique-summary{font-size:1.05rem;color:var(--ink-soft);margin:0 0 0.5rem}.example{margin:2rem 0;padding:1.25rem;background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--radius)}.example h2{margin-top:0}.example-board{width:min(30rem,100%);margin:1.25rem auto 0.75rem}.board-example .cell{font-size:clamp(1rem,3vw,1.45rem);cursor:default}.board-example .cell .marks{font-size:0.4em;line-height:1;color:var(--ink-soft)}.board-example .cell .marks span.doomed{color:var(--error);font-weight:700;text-decoration:line-through}.board-example .cell .placed{color:var(--accent);font-weight:700}.example-key{display:flex;flex-wrap:wrap;gap:0.25rem 0.9rem;justify-content:center;font-size:0.75rem;color:var(--ink-faint);margin:0 0 0.75rem}.key-swatch{display:inline-block;width:0.7rem;height:0.7rem;border-radius:2px;vertical-align:-1px;margin-right:0.15rem}.key-pattern{background:var(--highlight);box-shadow:inset 0 0 0 1.5px color-mix(in srgb,var(--accent) 55%,transparent)}.key-target{background:var(--accent-soft);box-shadow:inset 0 0 0 2px var(--accent)}.example-key .doomed{color:var(--error);text-decoration:line-through}.example-says{margin:0;font-size:0.9rem;padding-top:0.75rem;border-top:1px dotted var(--rule)}.technique-nav{display:flex;justify-content:space-between;gap:1rem;margin:2.5rem 0 3rem;padding-top:1rem;border-top:1px solid var(--rule);font-size:0.88rem}.technique-nav a{color:var(--ink);text-decoration:none}.technique-nav a:hover{color:var(--accent)}.technique-group{padding-bottom:1rem}.technique-group h2{font-family:var(--font-display);font-size:1.1rem;font-weight:600;margin:1.75rem 0 0.6rem;padding-bottom:0.4rem;border-bottom:1px solid var(--rule)}.technique-index{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(22rem,100%),1fr));gap:0.4rem 1.5rem}.technique-index a{display:block;text-decoration:none;color:inherit;padding:0.55rem 0.7rem;border:1px solid transparent;border-radius:var(--radius)}.technique-index a:hover{background:var(--paper-raised);border-color:var(--rule)}.technique-index strong{display:block;font-size:0.95rem;font-weight:600}.technique-index span{display:block;font-size:0.8rem;color:var(--ink-faint);line-height:1.4}.technique-list a{color:inherit;text-decoration:none;border-bottom:1px dotted var(--rule)}.technique-list a:hover{color:var(--accent);border-bottom-color:currentColor}@media print{.crumbs,.technique-nav{display:none !important}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.tiles{display:flex;flex-wrap:wrap;justify-content:center;gap:0.5rem;padding:1.5rem 0 0.5rem;width:min(34rem,100%)}.tile{width:3.1rem;height:3.6rem;border:1px solid var(--rule);border-radius:8px;background:var(--paper-raised);color:var(--ink);font-family:var(--font-display);font-size:1.7rem;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:transform 0.12s,opacity 0.12s,border-color 0.12s}.tile:hover{border-color:var(--rule-strong);transform:translateY(-2px)}.tile.used{opacity:0.28;box-shadow:none}.answer{display:flex;gap:0.5rem;width:min(34rem,100%);padding-top:0.5rem}.answer input{flex:1;font:inherit;font-family:var(--font-display);font-size:1.35rem;letter-spacing:0.22em;text-transform:uppercase;padding:0.5rem 0.85rem;border:1px solid var(--rule);border-radius:8px;background:var(--paper-raised);color:var(--ink);min-width:0}.answer input:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.answer input.is-solved{border-color:var(--accent);color:var(--accent)}.answer button{flex:none}.site-nav{display:flex;gap:0.3rem;margin-left:auto}.site-nav a{text-decoration:none;color:var(--ink-soft);font-size:0.88rem;padding:0.3rem 0.7rem;border-radius:999px;border:1px solid transparent}.site-nav a:hover{background:var(--highlight-peer);color:var(--ink)}.site-nav a[aria-current='page']{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,transparent);color:var(--ink);font-weight:600}@media print{.tiles,.answer,.site-nav{display:none !important}.print-only.print-letters{display:block;text-align:center;font-family:var(--font-display);font-size:30pt;letter-spacing:0.36em;text-transform:uppercase;margin:14mm 0 10mm}}.layout-single{grid-template-columns:minmax(0,1fr)}.shanagram-note{max-width:34rem;text-align:center;font-size:0.85rem;color:var(--ink-faint);margin:0.5rem 0 3rem}.home-lead{text-align:center;margin:2.5rem 0 1.75rem}.home-lead h1{margin:0 0 0.35rem}.puzzle-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(13.5rem,1fr));gap:0.9rem;max-width:54rem;margin:0 auto}.puzzle-card{display:grid;place-items:center;gap:0.3rem;padding:2.4rem 1.15rem;background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--radius);color:inherit;text-decoration:none;transition:transform 120ms ease,border-color 120ms ease,box-shadow 120ms ease}.puzzle-card:hover,.puzzle-card:focus-visible{transform:translateY(-2px);border-color:var(--rule-strong);box-shadow:var(--shadow)}.puzzle-card-kind{font-size:0.7rem;text-transform:uppercase;letter-spacing:0.09em;color:var(--ink-faint)}.puzzle-card-name{font-size:1.3rem;font-weight:600;line-height:1.15}.puzzle-card-blurb{font-size:0.86rem;color:var(--ink-soft);line-height:1.4;flex:1}.puzzle-card-meta{font-size:0.74rem;color:var(--ink-faint);letter-spacing:0.02em;margin-top:0.3rem}.puzzle-card-letters{display:flex;flex-wrap:wrap;gap:0.22rem;flex:1;align-content:flex-start;margin:0.15rem 0 0.1rem}.puzzle-card-letters span{min-width:1.55rem;height:1.75rem;border:1px solid var(--rule);border-radius:5px;background:linear-gradient(var(--paper),var(--paper))}.home-more{text-align:center;margin:1.9rem auto 0;font-size:0.88rem;color:var(--ink-faint)}.home-more a,.technique-more a{color:var(--accent);text-decoration-color:color-mix(in srgb,var(--accent) 35%,transparent);text-underline-offset:0.2em}.home-more a:hover,.technique-more a:hover{text-decoration-color:currentColor}.technique-more{margin:0.5rem 0 0;font-size:0.88rem}@media (prefers-reduced-motion:reduce){.puzzle-card{transition:none}.puzzle-card:hover,.puzzle-card:focus-visible{transform:none}}.sheet-shanagram .print-letters{display:flex;flex-wrap:wrap;gap:0.35rem;margin:0.6rem 0 0.2rem}.sheet-shanagram .print-letters span{display:grid;place-items:center;min-width:2rem;padding:0.35rem 0;border:1px solid var(--rule-strong);border-radius:5px;font-size:1.05rem;font-weight:600;letter-spacing:0.04em}.lockup{display:flex;align-items:center;gap:0.6rem}.lockup-shudoku{color:var(--accent)}.lockup-shanagram{color:var(--accent-alt)}.lockup-mark{width:2.6rem;height:2.6rem;flex:none}.lockup-word{font-family:var(--font-display);font-size:1.9rem;font-weight:600;letter-spacing:-0.02em;line-height:1}.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:1px;width:clamp(13rem,46vw,17rem);aspect-ratio:1;margin:0.75rem auto 0.5rem;padding:0;background:var(--rule);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);touch-action:manipulation}.tiles .tile{width:auto;height:auto;margin:0;border:0;border-radius:0;box-shadow:none;background:var(--paper-raised);font-size:clamp(1.7rem,6vw,2.4rem);transition:background-color 0.12s,opacity 0.12s}@media (hover:hover){.tiles .tile:hover{background:var(--accent-soft)}}.tiles .tile.used{opacity:1;background:var(--paper-raised);color:var(--ink-faint);color:color-mix(in srgb,var(--ink) 24%,transparent)}@media (hover:hover){.tiles .tile.used:hover{background:var(--paper-raised)}}.tiles .tile:focus-visible{outline:3px solid var(--focus);outline-offset:-3px}