:root{--ink:#132a26;--muted:#5d6d67;--paper:#f8f4e8;--paper-deep:#eee7d5;--white:#fffdf7;--gold:#eabf66;--gold-dark:#8a6019;--teal:#1f7564;--teal-soft:#dceddf;--red:#a63d38;--red-soft:#fae7e4;--line:#c9c4b7;--shadow:0 20px 60px #132a261a;--cell-size:44px;color:var(--ink);background:var(--paper);font-synthesis:none;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 80% 0%, #f2dfaf 0, transparent 28rem), var(--paper);min-width:320px;margin:0}a{color:inherit}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--gold-dark);outline-offset:3px}.site-header,footer,main>section,main>article{width:min(1180px,100% - 40px);margin-inline:auto}.site-header{border-bottom:1px solid #132a2629;justify-content:space-between;align-items:center;gap:24px;min-height:76px;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:10px;font-weight:800;text-decoration:none;display:flex}.brand-mark{width:34px;height:34px;color:var(--paper);background:var(--ink);border-radius:10px;place-items:center;display:grid}.site-header nav,footer nav{gap:24px;display:flex}.site-header nav a,footer nav a{color:var(--muted);font-size:.94rem;font-weight:650;text-decoration:none}.site-header nav a:hover,footer nav a:hover{color:var(--ink)}.hero{grid-template-columns:minmax(0,1.65fr) minmax(260px,.65fr);align-items:end;gap:72px;padding:88px 0 64px;display:grid}.hero h1,.policy-page h1{letter-spacing:-.065em;max-width:900px;margin:10px 0 20px;font:800 clamp(3.2rem,8vw,6.6rem)/.94 Georgia,serif}.daily-hero h1{font-size:clamp(3rem,7vw,5.8rem)}.eyebrow{color:var(--gold-dark);letter-spacing:.14em;text-transform:uppercase;font-size:.76rem;font-weight:850;display:block}.lede{color:#334c45;max-width:760px;margin:0;font-size:clamp(1.1rem,2vw,1.45rem);line-height:1.55}.promise-list{color:var(--muted);flex-wrap:wrap;gap:10px 24px;margin:28px 0 0;padding:0;font-size:.92rem;font-weight:650;list-style:none;display:flex}.promise-list li:before{content:"✓";color:var(--teal);margin-right:7px}.logic-note{border-top:4px solid var(--gold);box-shadow:var(--shadow);background:#fffdf7ad;padding:24px}.logic-note span{text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;font-weight:800}.logic-note p{color:var(--muted);margin:10px 0 0;line-height:1.55}.tool-card,.daily-card{border:1px solid var(--line);background:var(--white);width:min(1180px,100% - 40px);box-shadow:var(--shadow);border-radius:22px;margin:0 auto 88px;padding:clamp(22px,4vw,48px)}.tool-heading,.daily-toolbar{justify-content:space-between;align-items:start;gap:28px;display:flex}.tool-heading h2,.daily-toolbar h2{margin:7px 0 0;font:750 clamp(1.7rem,4vw,2.5rem)/1.05 Georgia,serif}.preset-picker{flex-wrap:wrap;justify-content:end;gap:8px;display:flex}.preset-picker button,.tool-palette button,.daily-controls button,.board-view-controls button{border:1px solid var(--line);min-height:44px;color:var(--ink);background:var(--paper);cursor:pointer;border-radius:8px;padding:8px 13px;font-weight:700}.preset-picker button.selected,.tool-palette button.selected,.daily-controls button.selected,.board-view-controls button.selected{border-color:var(--ink);color:var(--paper);background:var(--ink)}.editor-help{color:var(--muted);line-height:1.55}.tool-palette,.daily-controls{flex-wrap:wrap;gap:7px;margin:22px 0;display:flex}.board-view-controls{display:none}kbd{opacity:.7;font-size:.7em}.board-scroll{max-width:100%;padding:10px 3px 16px;overflow:auto}.mine-board{background:#d4cdbd;border:1px solid #b7b1a3;border-radius:10px;gap:3px;width:max-content;padding:8px;display:grid}.cell{width:var(--cell-size);height:var(--cell-size);min-width:44px;min-height:44px;color:var(--ink);cursor:pointer;font-variant-numeric:tabular-nums;background:#b9c7bc;border:1px solid #8d948e;border-radius:5px;place-items:center;font-weight:850;display:grid;position:relative}.cell:hover{filter:brightness(1.05)}.cell-revealed{background:#f5f1e7;border-color:#dad5c9}.cell-flagged{color:#8b2d2a;background:#e3c97f}.cell-mine{color:var(--white);background:var(--red)}.cell.suggested{z-index:1;outline:4px solid var(--teal);outline-offset:1px}.cell.suggested:after{content:"!";color:#fff;background:var(--teal);border-radius:50%;place-items:center;width:19px;height:19px;font-size:11px;display:grid;position:absolute;top:-8px;right:-8px}.editor-actions{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.primary,.secondary,.confirm-action,.button-link{border:1px solid var(--ink);cursor:pointer;border-radius:9px;min-height:44px;padding:11px 17px;font-weight:800;text-decoration:none}.primary,.button-link{color:var(--paper);background:var(--ink)}.secondary{color:var(--ink);background:0 0}.primary:disabled,.secondary:disabled{cursor:not-allowed;opacity:.4}.confirm-action{color:#fff;border-color:var(--teal);background:var(--teal);margin-top:10px}.solver-result,.status-message,.result-card{border-left:5px solid var(--teal);background:var(--teal-soft);margin-top:24px;padding:22px}.result-flag{border-color:var(--gold-dark);background:#f8edce}.result-kicker{color:var(--teal);text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;font-weight:850}.result-flag .result-kicker{color:var(--gold-dark)}.solver-result h3,.status-message h3,.result-card h3{margin:6px 0 9px;font-size:1.4rem}.solver-result p,.status-message p{color:#344a44;line-height:1.55}.rule-label{color:var(--muted);font-size:.82rem}.status-error{border-color:var(--red);background:var(--red-soft)}.status-success{border-color:var(--teal)}.input-reminder,.hint-message{color:#344a44;background:#edf1ec;padding:13px 16px;line-height:1.5}.daily-bridge{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:30px;margin-top:40px;padding-top:32px;display:flex}.daily-bridge h3{margin:5px 0;font:750 1.5rem Georgia,serif}.daily-bridge p{color:var(--muted);margin:0}.timer{text-align:center;min-width:104px;color:var(--paper);background:var(--ink);border-radius:10px;padding:12px 16px}.timer span{color:#b7c6bf;text-transform:uppercase;letter-spacing:.1em;font-size:.68rem;display:block}.timer strong{font-variant-numeric:tabular-nums;font-size:1.45rem}.daily-grid{margin:26px auto}.result-card dl{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.result-card dl div{background:#ffffff80;padding:10px}.result-card dt{color:var(--muted);text-transform:uppercase;font-size:.75rem}.result-card dd{margin:4px 0 0;font-size:1.2rem;font-weight:850}.loading-card{text-align:center;border:1px solid var(--line);background:var(--white);padding:50px}.content-grid{border-top:1px solid var(--line);grid-template-columns:.8fr 1.4fr;gap:80px;padding:90px 0;display:grid}.content-grid h2,.principles h2,.policy-page h2{letter-spacing:-.035em;margin:8px 0 0;font:750 clamp(2rem,4vw,3.25rem)/1.05 Georgia,serif}.steps{counter-reset:steps;margin:0;padding:0;list-style:none}.steps li{border-bottom:1px solid var(--line);counter-increment:steps;grid-template-columns:1fr 2fr;gap:24px;padding:24px 0 24px 52px;display:grid;position:relative}.steps li:before{content:counter(steps);background:var(--gold);border-radius:50%;place-items:center;width:32px;height:32px;font-weight:850;display:grid;position:absolute;top:22px;left:0}.steps span,.prose{color:var(--muted);line-height:1.65}.principles{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:1px;margin-bottom:90px;display:grid}.principles article{background:var(--white);min-height:260px;padding:34px}.principles h2{font-size:1.75rem}.principles p{color:var(--muted);line-height:1.65}.text-link{color:var(--teal);font-weight:800}.policy-page{max-width:860px;padding:90px 0}.policy-page h1{font-size:clamp(3rem,7vw,5rem)}.policy-page h2{margin-top:54px;font-size:2rem}.policy-page p{color:var(--muted);font-size:1.05rem;line-height:1.75}footer{border-top:1px solid var(--line);grid-template-columns:1.5fr 1fr;gap:30px;padding:52px 0;display:grid}footer p,footer small{color:var(--muted)}footer small{grid-column:1/-1}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=780px){.site-header,footer,main>section,main>article{width:min(100% - 24px,1180px)}.site-header{flex-wrap:wrap;gap:10px;min-height:0;padding:12px 0}.site-header nav{grid-template-columns:repeat(3,1fr);gap:6px;width:100%;display:grid}.site-header nav a{text-align:center;background:#fffdf794;border-radius:8px;place-items:center;min-height:44px;padding:8px;display:grid}.hero{grid-template-columns:1fr;gap:30px;padding:56px 0 42px}.hero h1{overflow-wrap:anywhere;font-size:clamp(2.55rem,14vw,4.7rem)}.daily-hero h1{overflow-wrap:anywhere;font-size:clamp(2.8rem,13vw,4rem)}.tool-card,.daily-card{border-radius:14px;width:100%;padding:18px 12px 24px}.tool-heading,.daily-toolbar,.daily-bridge{flex-direction:column;align-items:stretch}.preset-picker{grid-template-columns:1fr;display:grid}.preset-picker button{width:100%}.tool-palette{grid-template-columns:repeat(6,minmax(0,1fr));display:grid}.tool-palette button{min-width:0;padding-inline:7px}.tool-palette button:nth-child(-n+2){grid-column:span 3}.tool-palette button:nth-child(n+3){grid-column:span 2}.daily-controls{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.daily-controls button{min-width:0;padding-inline:6px}.editor-actions{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.editor-actions button{width:100%}.daily-bridge .button-link{text-align:center;place-items:center;width:100%;display:grid}.board-view-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin:22px 0 0;display:grid}.board-view-controls button{min-width:0;padding-inline:7px}.mine-board{gap:2px;padding:6px}.daily-grid{--cell-size:clamp(28px, calc((100vw - 62px) / 9), 38px)}.daily-grid .cell{min-width:var(--cell-size);min-height:var(--cell-size)}.daily-card .board-scroll,.board-scroll.board-fit{overflow:visible}.board-fit .editor-board{--editor-cell-track:minmax(0, 1fr);width:100%}.board-fit .editor-board .cell{aspect-ratio:1;width:100%;min-width:0;height:auto;min-height:0}.board-fit .editor-board[data-width="16"],.board-fit .editor-board[data-width="30"]{gap:1px;padding:4px}.board-fit .editor-board[data-width="16"] .cell{border-radius:3px;font-size:clamp(.5rem,2.5vw,.75rem)}.board-fit .editor-board[data-width="30"] .cell{border-radius:2px;font-size:clamp(.35rem,1.5vw,.5rem)}.content-grid,.principles{grid-template-columns:1fr;gap:28px}.steps li{grid-template-columns:1fr;gap:6px}.result-card dl{grid-template-columns:repeat(2,1fr)}footer{grid-template-columns:1fr}footer small{grid-column:auto}}@media (width<=360px){.brand{font-size:.92rem}.brand-mark{width:32px;height:32px}.hero{padding-top:44px}.tool-card,.daily-card{padding-inline:8px}.daily-grid{--cell-size:clamp(29px, calc((100vw - 54px) / 9), 34px)}.daily-controls button{font-size:.82rem}.solver-result,.status-message,.result-card{padding:18px 16px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}