:root{font-family:Inter,"Segoe UI",Arial,sans-serif;color:#232939;background:#f4f6fb;font-synthesis:none;--red:#e94e59;--blue:#4f6fe8;--yellow:#f3c44d;--muted:#667085;--line:#e4e8f1}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button{border:1px solid var(--line);background:white;color:inherit;border-radius:10px;padding:10px 14px;font-weight:600}button:hover{background:#f1f4fb}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #829bff;outline-offset:3px}button[hidden],[hidden]{display:none!important}.shell{max-width:1136px;margin:auto;padding:0 36px}.masthead{display:flex;align-items:center;justify-content:space-between;padding:30px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;text-decoration:none;color:inherit;font-size:28px;font-weight:800;letter-spacing:-1px}.brand-period{color:var(--blue)}.brand-icon{display:grid;grid-template-columns:12px 12px;gap:4px;margin-right:12px}.brand-icon i{width:12px;height:12px;border-radius:4px;background:var(--red)}.brand-icon i:nth-child(2){background:var(--blue)}.brand-icon i:nth-child(3){background:var(--yellow)}.brand-icon i:nth-child(4){background:#232939}.local-label{font-size:14px;color:var(--muted)}.intro{display:flex;align-items:center;justify-content:space-between;margin:38px 0 28px;gap:20px}.eyebrow{font-size:12px;letter-spacing:1.7px;font-weight:750;color:var(--muted);margin:0 0 10px}h1{font-size:32px;letter-spacing:-1.2px;line-height:1.18;margin:0}h2{font-size:23px;letter-spacing:-.65px;margin:7px 0 0}.intro>p{font-size:15px;line-height:1.7;color:var(--muted);margin:0}.workspace{display:grid;grid-template-columns:minmax(0,660px) 1fr;gap:32px;align-items:start}.game-card{background:white;border:1px solid var(--line);border-radius:24px;padding:28px 30px 20px;box-shadow:0 8px 30px #26335c06}.game-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.game-top .eyebrow{font-size:11px}.clock{display:flex;align-items:center;gap:8px;background:#f5f7fb;border-radius:12px;padding:8px 8px 8px 12px;font-size:20px;font-variant-numeric:tabular-nums}.clock>span:first-child{color:var(--muted)}.icon-button{padding:4px 7px;background:transparent;border:0;font-size:16px}.level-picker{display:flex;background:#f2f4f9;padding:4px;border-radius:12px;margin:22px 0 24px;gap:4px}.level-picker button{flex:1;border:0;background:transparent;font-size:14px;padding:10px 8px;color:var(--muted)}.level-picker button[aria-pressed=true]{background:#fff;box-shadow:0 2px 5px #25396012;color:#232939}.level-picker span{font-size:11px;opacity:.55;margin-left:8px}.board-wrap{position:relative;margin:auto auto 24px;width:100%;max-width:520px}.board{--cell:clamp(28px,4.25vw,49px);display:grid;grid-template-columns:var(--hint-width,110px) repeat(var(--size,7),var(--cell));grid-template-rows:var(--hint-height,130px) repeat(var(--size,7),var(--cell));justify-content:center;user-select:none;touch-action:none}.corner{align-self:end;text-align:right;padding:0 12px 15px 0;color:#8a94a6;font-size:12px}.clues{display:flex;gap:4px;align-items:center;transition:opacity .2s}.col-clues{flex-direction:column;justify-content:flex-end;padding-bottom:12px}.row-clues{justify-content:flex-end;padding-right:12px}.capsule{display:inline-flex;align-items:center;justify-content:center;border-radius:6px;min-width:24px;height:24px;font-size:13px;font-weight:750;color:white;flex-shrink:0}.red{background:var(--red);color:white}.blue{background:var(--blue);color:white}.yellow{background:var(--yellow);color:#4a3a0b}.empty-clue{color:#8b94a5;font-size:18px}.clues.complete .capsule{opacity:.4}.clues.complete .empty-clue{color:#4f6fe8}.cell{padding:0;border:0;border-right:1px solid #dbe1eb;border-bottom:1px solid #dbe1eb;border-radius:0;background:#f9faff;font-size:25px;font-weight:400;position:relative;touch-action:none;min-width:0}.cell[data-row="0"]{border-top:2px solid #c5ccda}.cell[data-col="0"]{border-left:2px solid #c5ccda}.cell[data-last-row="true"]{border-bottom:2px solid #c5ccda}.cell[data-last-col="true"]{border-right:2px solid #c5ccda}.cell:hover{box-shadow:inset 0 0 0 2px #7c8ba3;background:#edf1fb}.cell.red,.cell.red:hover{background:var(--red)}.cell.blue,.cell.blue:hover{background:var(--blue)}.cell.yellow,.cell.yellow:hover{background:var(--yellow)}.cell.marked{color:#a7afbd}.cell:focus-visible{outline:3px solid #232939;outline-offset:-4px;z-index:1}.cell.hinted{animation:hint 1s ease}@keyframes hint{50%{box-shadow:inset 0 0 0 5px #232939}}.palette{display:flex;justify-content:center;gap:8px;margin-bottom:24px}.palette button{display:flex;align-items:center;gap:7px;padding:9px 10px;font-size:13px;border:2px solid transparent;background:#f5f7fb}.palette button[aria-pressed=true]{border-color:#232939;background:white}.swatch{width:23px;height:23px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center}.cross{font-size:24px;color:#727d91;background:#e8ecf3}kbd{font:11px inherit;color:#8d95a5}.progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.progress-label strong{color:#465772}progress{width:100%;height:5px;border:0;border-radius:10px;display:block;margin:10px 0 19px;overflow:hidden;background:#edf0f6}progress::-webkit-progress-bar{background:#edf0f6}progress::-webkit-progress-value{background:var(--blue);transition:width .2s}progress::-moz-progress-bar{background:var(--blue)}.actions{display:flex;justify-content:center;gap:10px}.actions button{font-size:13px;padding:9px 13px}.actions span{font-size:18px;vertical-align:-1px;margin-right:4px}.actions #hint{color:#4860b8;border-color:#dbe2fc;background:#f5f7ff}.status{font-size:12px;color:var(--muted);text-align:center;min-height:18px;line-height:1.5;margin:14px 0 0}.guide{padding:24px 6px}.guide>h2{font-size:27px;line-height:1.25;margin:12px 0 28px}.rule{display:flex;gap:14px;margin:0 0 24px}.rule-number{font-size:12px;font-weight:700;color:#8b95a7;padding-top:3px}.rule h3{font-size:14px;margin:0 0 7px}.rule p,.target p,.tips p{font-size:14px;line-height:1.65;color:var(--muted);margin:0}.example{display:flex;align-items:center;gap:4px;margin-top:12px}.example i{height:21px;width:21px;border-radius:4px}.example-arrow{color:#9ba5b5;margin:0 8px}.target{padding:19px 20px;background:#eaf0ff;border-radius:16px;margin-top:30px}.target>span{font-size:11px;letter-spacing:1.5px;color:#5970a6;font-weight:700}.target strong{display:block;font-size:23px;margin:8px 0}.target p{font-size:12px}.tips{border-top:1px solid #dfe4ee;padding:18px 6px;font-size:13px}.tips summary{cursor:pointer;font-weight:650}.tips p{font-size:13px;margin-top:12px}footer{display:flex;justify-content:space-between;gap:12px;color:#7b8596;font-size:12px;padding:26px 0}.pause-cover{position:absolute;inset:0;background:#f4f6fbf7;z-index:2;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px;border-radius:12px}.pause-cover>span{font-size:25px;font-weight:700}.primary{background:#263553;color:#fff;border-color:#263553}.primary:hover{background:#394d74}.win{text-align:center;background:#edf2ff;border-radius:16px;padding:24px;margin-top:18px}.win h2{font-size:28px}.win p{font-size:14px;color:#5b6981;line-height:1.6}.win .eyebrow{color:#4f6fe8}dialog{border:1px solid var(--line);border-radius:20px;padding:28px;max-width:min(440px,90vw);box-shadow:0 20px 100px #101b3030}dialog::backdrop{background:#18223755}dialog p{line-height:1.6;color:var(--muted)}.dialog-actions{display:flex;gap:10px;flex-wrap:wrap}
@media(min-width:1200px){.board{--cell:49px}}@media(max-width:900px){.shell{padding:0 22px}.workspace{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.game-card{padding:23px 18px}.board{--cell:clamp(28px,4vw,40px)}.palette{gap:5px}.palette button{padding:8px 6px}.palette kbd{display:none}.intro>p{display:none}.guide{padding-top:20px}.guide>h2{font-size:24px}}@media(max-width:740px){.shell{max-width:610px;padding:0 16px}.masthead{padding:20px 0}.local-label{font-size:12px}.brand{font-size:25px}.intro{margin:26px 0 20px}h1{font-size:27px}.intro .eyebrow{font-size:10px}.workspace{display:block}.game-card{padding:22px 16px 18px;border-radius:20px}.board{--cell:clamp(27px,8vw,49px)}.game-top h2{font-size:20px}.clock{font-size:18px}.palette button{padding:9px 8px;font-size:12px}.guide{padding:28px 12px 10px}.guide>h2 br{display:none}.guide>h2{font-size:24px}.target{margin-top:20px}.tips{margin:0 12px}.rule{margin-bottom:20px}footer{font-size:11px;flex-wrap:wrap}.capsule{min-width:21px;height:22px;font-size:12px}.clues{gap:3px}.row-clues{padding-right:8px}.col-clues{padding-bottom:8px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Size the grid from its own container so every clue stays aligned on phones. */
.board-wrap{container-type:inline-size}.board{--cell:min(49px,calc((100cqw - var(--hint-width,110px))/var(--size,7)))}
@media(max-width:400px){.palette{gap:3px}.palette button{padding:8px 5px;gap:4px}.local-label{max-width:100px;text-align:right}.game-card{padding-left:12px;padding-right:12px}.clock{gap:4px;padding-left:8px}.game-top h2{font-size:18px}}





.hint-panel{background:#f1f5ff;border:1px solid #d8e2ff;padding:18px;border-radius:14px;margin-top:16px}.hint-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.hint-heading h3{font-size:16px;margin:0}.hint-heading button{border:0;background:transparent;padding:2px 8px;font-size:23px}.hint-panel p{font-size:14px;line-height:1.65;margin:10px 0 14px;color:#455674}.hint-panel button{font-size:14px}.hint-panel #hint-answer{font-weight:650;color:#263553}.cell.hint-line{box-shadow:inset 0 0 0 2px #9aaee3}.cell.hint-focus{box-shadow:inset 0 0 0 3px #263553}

/* The complete grid and its clues share one responsive coordinate system. */
.board{--hint-width:calc(var(--hint-count)*28px + 12px);--hint-height:calc(var(--col-hint-count)*28px + 12px);touch-action:none}
.rules>summary{display:none}.new-day{width:100%;margin-top:12px;background:#eaf0ff;font-size:14px}
.cell.axis-active:not(.red):not(.blue):not(.yellow){background:#e7edff}
.cell.axis-focus{box-shadow:inset 0 0 0 2px #263553}
.clues.axis-clue{background:#e7edff;border-radius:5px}.clues.axis-clue .capsule{opacity:1}
.cell.hint-line{box-shadow:inset 0 0 0 2px #9aaee3}.cell.hint-focus{box-shadow:inset 0 0 0 3px #263553}
@media(max-width:740px){
 .shell{padding:0 10px calc(86px + env(safe-area-inset-bottom))}.masthead{padding:12px 2px}.intro{display:none}
 .workspace{display:flex;flex-direction:column;gap:8px;margin-top:8px}.workspace>aside{order:-1;width:100%}
 .rules>summary{display:list-item;cursor:pointer;font-size:14px;padding:10px 4px;color:#58657e}
 .rules[open]{padding-bottom:8px}.guide{padding:12px}.guide>h2{margin-top:4px}.game-card{width:100%;padding:12px 10px;border-radius:16px}
 .game-top{gap:5px}.game-top h2{font-size:18px;margin-top:3px}.game-top .eyebrow{font-size:12px;letter-spacing:.3px}
 .clock{font-size:17px;gap:4px;padding:4px}.clock>span:first-child{display:none}.icon-button{min-height:36px;min-width:32px}
 .level-picker{margin:10px 0 12px;gap:2px}.level-picker button{min-height:42px;padding:8px 2px}.level-picker span{margin-left:3px;font-size:12px}
 .board-wrap{margin-bottom:14px}.board{--hint-width:calc(var(--hint-count)*18px + 6px);--hint-height:calc(var(--col-hint-count)*20px + 8px)}
 .board .capsule{min-width:16px;width:16px;height:18px;border-radius:4px;font-size:12px}.board .clues{gap:2px}
 .board .row-clues{padding-right:6px}.board .col-clues{padding-bottom:8px}.corner{padding:0 6px 8px 0}.cell{font-size:21px}
 .palette{position:fixed;z-index:5;bottom:0;left:0;right:0;margin:0;gap:6px;padding:10px 10px calc(10px + env(safe-area-inset-bottom));background:#fffffff5;border-top:1px solid #dbe1eb;box-shadow:0 -4px 18px #2635530b}
 .palette button{min-height:46px;flex:1;max-width:130px;justify-content:center;gap:5px;padding:8px 4px;font-size:14px}.palette kbd{display:none}.swatch{width:20px;height:20px}
 progress{margin:7px 0 12px}.actions{gap:6px}.actions button{min-height:42px;padding:8px 10px;font-size:14px}.actions span{margin-right:2px}.status{margin-top:8px}
 footer{padding:18px 2px;font-size:12px;line-height:1.5}footer>span:first-child{display:none}
}
@media(max-width:740px) and (max-height:700px){
 .masthead{padding:6px 2px}.brand{font-size:22px}.rules>summary{padding:6px 4px}
 .game-top h2{display:none}.level-picker{margin:6px 0 8px}.level-picker button{min-height:36px}
 .board{--cell:min(49px,calc((100cqw - var(--hint-width))/var(--size)),calc((100svh - 260px - var(--hint-height))/var(--size)))}
}

.shell{display:flex;flex-direction:column}.masthead{order:0}.shell>main{order:1}.shell>.player-box{order:2}.shell>footer{order:3}
.start-panel{padding:24px 0 10px}.start-panel p{font-size:16px;line-height:1.65;color:var(--muted)}.start-panel button{min-height:46px}
.timing-note{font-size:12px;color:var(--muted);margin:12px 0 16px}#save-error{font-size:14px;color:#a52132;margin:8px 0}#save-error:empty{display:none}
.clock{min-width:96px;justify-content:center}.player-box{border-radius:14px}.game-top{margin-bottom:8px}
@media(max-width:740px){.intro{display:none}.timing-note{margin:8px 0 10px;font-size:12px}.shell>.player-box{margin:12px 0}.game-top h2{font-size:18px}.board-wrap{margin-bottom:14px}}