@font-face{font-family:DM Sans;src:url('./dm-sans.woff2') format('woff2');font-style:normal;font-weight:100 1000;font-display:swap}
:root{--paper:#f7f7f2;--ink:#253c32;--muted:#5e6b5e;--line:#dcdfd5;--green:#285a46;--green-hover:#386e56;--clay:#a85b43;--tile:46px;font-family:'DM Sans',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;color-scheme:light}
*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.45}button, a{touch-action:manipulation}button svg,svg.icon,.text-button svg{width:20px;height:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}svg use{pointer-events:none}.svg-library{position:absolute;width:0;height:0;overflow:hidden}::selection{background:#c5dac5;color:#183e2d}button:focus-visible,a:focus-visible{outline:3px solid #b56745;outline-offset:4px}.page{max-width:1360px;padding:0 64px;margin:auto}.header{height:106px;display:flex;align-items:center;gap:38px;border-bottom:1px solid var(--line)}.wordmark{display:inline-flex;align-items:center;text-decoration:none;color:var(--ink);font-size:29px;font-weight:750;letter-spacing:-.04em}.brand-period{color:var(--clay)}.brandmark{display:grid;grid-template-columns:repeat(2,9px);gap:3px;margin-right:11px;transform:rotate(-8deg)}.brandmark i{height:9px;border-radius:2px;background:var(--green)}.brandmark i:last-child{background:var(--clay)}.header-description{font-size:13px;color:var(--muted);margin-top:5px}.text-button{background:none;border:0;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:550;padding:12px 0}.help-trigger{margin-left:auto}.text-button:hover{color:var(--clay)}.layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:68px;padding:49px 0 56px;align-items:start;min-height:740px}.intro h1{font-size:30px;letter-spacing:-.04em;line-height:1.15;margin:0 0 8px;font-weight:620}.intro p{margin:0;color:var(--muted);font-size:15px}.size-fieldset{border:0;margin:35px 0 24px;padding:0;min-width:0}.size-fieldset legend{font-size:13px;font-weight:600;margin-bottom:12px;color:#526052}.sizes{display:grid;gap:9px}.size-option{position:relative;display:flex;align-items:center;gap:14px;width:100%;padding:14px 15px;background:transparent;border:1px solid var(--line);border-radius:10px;text-align:left;transition:background .18s,border-color .18s}.size-option:hover{border-color:#94a897;background:#edf0e7}.size-option[aria-pressed=true]{border-color:#54795d;background:#e8eee2}.size-option strong{display:block;font-size:15px;font-weight:620;margin-bottom:4px}.size-option small{display:block;font-size:12px;color:var(--muted)}.mini-grid{display:grid;width:29px;height:29px;gap:2px;grid-template-columns:repeat(3,1fr);flex-shrink:0}.mini-grid i{background:#b9c5b4;border-radius:1px}.size-option[aria-pressed=true] .mini-grid i{background:#4b7157}.mini-grid.medium{grid-template-columns:repeat(4,1fr)}.mini-grid.large{grid-template-columns:repeat(5,1fr)}.selected-check{width:15px;margin-left:auto;opacity:0}.size-option[aria-pressed=true] .selected-check{opacity:1}.primary,.secondary{border:0;border-radius:8px;display:flex;align-items:center;justify-content:center;gap:10px;padding:14px 16px;min-height:48px;font-size:14px;font-weight:600}.primary{background:var(--green);color:#fff}.primary:hover{background:#1a4634}.secondary{background:transparent;border:1px solid var(--line)}.secondary:not(:disabled):hover{background:#e9ede3;border-color:#adbaa9}.game-actions{display:grid;gap:10px}.game-actions .primary,.game-actions .secondary{justify-content:flex-start}.shortcut{margin-left:auto;display:grid;place-items:center;border:1px solid currentColor;opacity:.55;font-size:11px;width:19px;height:20px;border-radius:4px}.logic-note{display:flex;gap:11px;margin:27px 0 28px}.logic-note>svg{width:20px;height:20px;fill:none;stroke:var(--green);stroke-width:1.5;flex-shrink:0;margin-top:2px}.logic-note strong{font-size:13px;font-weight:600}.logic-note p{font-size:12px;line-height:1.65;color:var(--muted);margin:5px 0 0;max-width:26ch}.quick-guide{padding-top:23px;border-top:1px solid var(--line)}.quick-guide h2{margin:0 0 16px;font-size:13px;font-weight:600}.quick-guide p{font-size:13px;display:flex;align-items:center;gap:11px;color:var(--muted);margin:13px 0}.quick-guide svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5}.number-icon{width:17px;text-align:center;color:#597ca0;font-size:17px;font-weight:700}.play-area{min-width:0;padding-top:2px}.game-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:10px}.game-heading h2{font-size:18px;font-weight:600;letter-spacing:-.02em;margin:0 0 6px}.game-heading>div>span{font-size:12px;color:var(--muted)}.verified{display:inline-flex;align-items:center;gap:6px;color:#48634b;font-size:12px;background:#e9eee1;padding:7px 10px;border-radius:6px;white-space:nowrap}.verified svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6}.game-table{border:1px solid #d9ded1;border-radius:14px;background:#eff1e9;padding:24px 28px 17px;transition:background .2s}.scoreboard{max-width:520px;display:flex;align-items:center;justify-content:space-between;margin:0 auto 25px}.score{display:flex;gap:10px;align-items:center;min-width:105px}.score>svg{height:23px;width:23px;fill:none;stroke:#697b66;stroke-width:1.4}.score-label{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}.score strong{font-size:25px;font-weight:550;letter-spacing:-.025em;font-variant-numeric:tabular-nums;line-height:1.15}.time{justify-content:flex-end}.table-mark{font-size:23px;font-weight:650;letter-spacing:-.04em;color:#788d6c;font-style:italic}.board-scroll{overflow:auto;scrollbar-width:thin;scrollbar-color:#90a28a #e5e9de;padding:4px;overscroll-behavior-x:contain}.board{--cols:9;display:grid;grid-template-columns:repeat(var(--cols),var(--tile));gap:4px;width:max-content;margin:auto;user-select:none;-webkit-user-select:none}.row{display:contents}.cell{display:grid;place-items:center;width:var(--tile);height:var(--tile);padding:0;border:0;border-radius:4px;background:var(--green);color:#f7f7f2;font-weight:650;font-size:calc(var(--tile)*.43);line-height:1;transition:background .12s;position:relative;touch-action:manipulation}.cell.covered:nth-child(3n+1){background:#2d5f49}.cell.covered:hover{background:#477c5d}.cell.covered:active{background:#638d66}.cell svg{height:48%;width:48%;stroke-width:1.8}.cell.flagged{color:#ffdfad}.cell.revealed{background:#dfe5d8;cursor:default;color:var(--ink)}.cell.revealed.n1{background:#e0e8e7;color:#376a8d}.cell.revealed.n2{background:#e0e7d7;color:#4b7046}.cell.revealed.n3{background:#efe0d6;color:#a15742}.cell.revealed.n4{background:#e6dfeb;color:#725795}.cell.revealed.n5{color:#9a4358;background:#eedfe1}.cell.revealed.n6{color:#297373}.cell.revealed.n7{color:#333a48}.cell.revealed.n8{color:#675844}.cell.opening{animation:uncover .35s cubic-bezier(.16,1,.3,1) both;animation-delay:var(--delay,0ms)}@keyframes uncover{from{filter:brightness(1.35);clip-path:inset(12% round 6px)}to{filter:brightness(1);clip-path:inset(0 round 4px)}}.cell.exploded{background:#b9563f;color:white}.cell.mine{background:#edd5c8;color:#945039}.cell.wrong-flag:after{content:'';position:absolute;width:70%;height:2px;background:#ffe0c5;transform:rotate(-45deg)}.cell.hint-safe{outline:3px solid #c28337;outline-offset:-3px;background:#789462!important}.cell.hint-mine{outline:3px solid #f4c67e;outline-offset:-3px}.cell.hint-clue{outline:2px solid #aa723b;outline-offset:-2px}.table-footer{display:flex;align-items:center;gap:14px;margin:24px auto 0;max-width:520px;font-size:11px;color:#61705c;font-variant-numeric:tabular-nums}.progress-track{flex:1;height:3px;border-radius:5px;background:#d6decf}.progress-track span{height:100%;display:block;background:#79946d;width:100%;transform:scaleX(0);transform-origin:left;transition:transform .35s}.under-board{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:19px}.status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);line-height:1.6}.status>svg{width:17px;height:17px;flex-shrink:0;fill:none;stroke:#78866f;stroke-width:1.5}.input-mode{display:flex;gap:2px;padding:3px;background:#e9ede2;border-radius:7px;flex-shrink:0}.input-mode button{display:flex;align-items:center;gap:4px;border:0;background:none;border-radius:5px;padding:7px 8px;font-size:11px;color:#576750}.input-mode button[aria-pressed=true]{background:var(--paper);color:var(--ink)}.input-mode svg{height:14px;width:14px}.hint-message{font-size:13px;line-height:1.6;padding:15px 17px;background:#f0e5cd;border-radius:8px;margin-top:18px;color:#6b502f}.result{margin-top:20px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;align-items:center}.result h3{font-size:22px;margin:0 0 6px;font-weight:600;letter-spacing:-.03em}.result p{font-size:13px;color:var(--muted);margin:0}.result .primary{white-space:nowrap}.footer{border-top:1px solid var(--line);padding:22px 0 28px;display:flex;justify-content:space-between;font-size:12px;color:#63705e}.footer>span:last-child{display:flex;align-items:center;gap:16px}.footer-flower{font-size:20px;color:var(--clay)}.scroll-note{color:var(--muted);font-size:12px;margin:15px 0 0}[hidden]{display:none!important}dialog{width:min(490px,calc(100% - 32px));border:0;border-radius:16px;padding:30px;background:var(--paper);color:var(--ink);box-shadow:0 22px 80px #10261930}dialog::backdrop{background:#18322565}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.dialog-header h2{font-size:24px;letter-spacing:-.03em;margin:0}.close{font-size:28px;border:0;background:transparent;padding:0 8px}dialog p,dialog li{font-size:14px;line-height:1.7;color:#596755}dialog ol{padding-left:21px}dialog li{padding-left:4px;margin:17px 0}dialog li strong{color:var(--ink)}.keyboard-guide{padding:14px 16px;background:#e9ede3;border-radius:8px}dialog>.primary{width:100%;margin-top:20px}.noscript{text-align:center;padding:20px}.busy .cell{cursor:wait}.busy .verified{animation:breathe 1s ease-in-out infinite alternate}@keyframes breathe{to{opacity:.4}}
@media(min-width:1400px){.page{padding:0 76px}.layout{gap:84px;min-height:770px;padding-top:58px}.game-table{padding:28px 36px 20px}.board{--tile:48px}}
@media(max-width:1100px){.page{padding:0 32px}.layout{grid-template-columns:210px minmax(0,1fr);gap:32px}.game-table{padding:22px 16px 17px}.header-description{display:none}.under-board{flex-wrap:wrap}.board{--tile:40px}}
@media(max-width:760px){.page{padding:0 20px}.header{height:78px}.wordmark{font-size:26px}.help-trigger{font-size:12px}.layout{display:block;padding:27px 0 38px;min-height:0}.intro{display:flex;align-items:baseline;gap:12px}.intro h1{font-size:24px}.intro p{font-size:12px}.size-fieldset{margin:24px 0 16px}.size-fieldset legend{font-size:12px;margin-bottom:10px}.sizes{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.size-option{padding:11px 10px;gap:8px;border-radius:8px}.size-option strong{font-size:13px}.size-option small{font-size:11px;white-space:nowrap}.mini-grid{width:21px;height:21px;gap:1px}.selected-check{display:none}.game-actions{grid-template-columns:1fr 1fr;gap:8px}.game-actions .primary,.game-actions .secondary{justify-content:center;min-height:44px;padding:11px;font-size:13px}.shortcut{display:none}.logic-note,.quick-guide{display:none}.play-area{margin-top:27px}.game-heading{margin-bottom:14px}.game-heading h2{font-size:16px}.game-table{padding:19px 10px 16px;border-radius:12px}.scoreboard{padding:0 8px;margin-bottom:20px}.score-label{font-size:11px}.score strong{font-size:22px}.score>svg{height:20px;width:20px}.table-mark{font-size:21px}.board{--tile:32px;gap:3px}.cell{border-radius:3px}.table-footer{margin-top:19px;padding:0 5px;font-size:11px;gap:10px}.under-board{margin-top:14px;align-items:center;gap:12px}.status{font-size:11px;flex:1;min-width:170px}.input-mode button{font-size:11px;padding:9px 7px}.input-mode svg{height:15px;width:15px}.footer{font-size:11px;padding:19px 0}.footer-flower{display:none}.result{align-items:flex-start}.result h3{font-size:20px}.result p{line-height:1.6}.result .primary{padding:11px;font-size:12px;min-height:42px}.result .primary svg{width:16px}}
@media(max-width:370px){.page{padding:0 12px}.board{--tile:29px}.mini-grid{display:none}.size-option{justify-content:center}.intro p{display:none}.footer>span:last-child{max-width:145px;text-align:right}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Size-specific density keeps full fields visible on a desktop. */
@media(min-width:761px){.board[data-size=medium]{--tile:34px}.board[data-size=large]{--tile:28px}}
@media(max-width:760px){.size-option small{font-size:12px}.size-mines{display:none}.size-option{gap:7px}.play-area{display:flex;flex-direction:column}.game-heading{order:1}.under-board{order:2;position:sticky;top:0;z-index:2;background:var(--paper);padding:8px 0;margin:0 0 8px;flex-wrap:nowrap}.status{min-width:0;font-size:12px}.input-mode button{font-size:12px}.game-table{order:3}.scroll-note{order:4}.hint-message{order:5}.result{order:6}.score-label,.table-footer{font-size:12px}.table-footer{gap:8px}.footer{font-size:11px}.footer>span:last-child{max-width:150px;text-align:right}}