:root{font-synthesis:none;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-weight:400}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;color:inherit;border:1px solid var(--line);touch-action:manipulation;-webkit-tap-highlight-color:transparent;background:0 0;border-radius:12px;min-height:44px;padding:12px 16px}button:disabled{opacity:.4;cursor:default}button:hover:not(:disabled){background:var(--hidden)}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.app{--bg:#141b1b;--panel:#192323;--ink:#e3ece5;--muted:#95aaa3;--line:#344743;--accent:#c3e5a2;--hidden:#334944;background:var(--bg);min-height:100dvh;color:var(--ink);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.app.paper{--bg:#f3f2e9;--panel:#e9eee3;--ink:#293c33;--muted:#627569;--line:#c1cfc0;--accent:#456e30;--hidden:#d5e0cf;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}button.active{background:var(--hidden);color:var(--accent);border-color:var(--accent)}button.primary{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:650}.app-header{justify-content:space-between;align-items:center;gap:12px;max-width:1000px;height:76px;margin:auto;padding:0 24px;display:flex}.app-header h1{text-align:center;outline:none;margin:0;font-size:17px;font-weight:600}.app-header button{border:0;padding:10px;font-size:13px}.brand{color:var(--accent);letter-spacing:3px;font:700 22px Georgia,serif}.header-spacer{width:64px}main{max-width:900px;margin:auto;padding:0 24px}.selection-page{max-width:640px;margin:45px auto}.eyebrow{color:var(--accent);letter-spacing:3px;margin:0 0 24px;font-size:11px}h2{margin:0;font-size:22px;font-weight:550}.hero-title{letter-spacing:2px;font-size:40px;line-height:1.45}.muted,.description{color:var(--muted);font-size:14px;line-height:1.9}.section-label{color:var(--muted);justify-content:space-between;align-items:center;margin:32px 0 12px;font-size:13px;display:flex}.section-label button{border:0;font-size:12px}.variants{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.variant{text-align:left;background:var(--panel);align-items:center;gap:14px;padding:19px 16px;display:flex}.variant b{min-width:40px;height:40px;color:var(--accent);place-items:center;font:22px Georgia,serif;display:grid}.variant span{font-size:15px}.variant small{color:var(--muted);margin-top:6px;font-size:10px;display:block}.variant .arrow{color:var(--muted);margin-left:auto}.library-foot{color:var(--muted);margin-top:30px;font-size:12px}.library-foot b{color:var(--accent)}.difficulty{gap:8px;margin:28px 0;display:flex}.difficulty button{flex:1}.level-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px;display:grid}.level-grid button{background:var(--panel);padding:22px 8px}.level-grid span{font:26px Georgia,serif;display:block}.level-grid small{color:var(--muted);margin-top:12px;font-size:10px;display:block}.start-button{width:100%}.game-page{min-height:calc(100dvh - 76px - env(safe-area-inset-top) - env(safe-area-inset-bottom));flex-direction:column;display:flex}.game-stats{border-top:1px solid var(--line);color:var(--ink);font-variant-numeric:tabular-nums;justify-content:space-between;align-items:center;padding:20px 8px;font-size:14px;display:flex}.game-stats small{color:var(--muted);margin-left:8px;font-size:11px}.mine-counter{color:var(--accent)}.mine-counter strong{font:28px Georgia,serif}.board-scroll{overscroll-behavior-x:contain;flex:1;align-items:center;min-height:280px;padding:24px 4px;display:flex;overflow:auto}.board-wrap{flex-shrink:0;margin:auto;position:relative}.board{border:2px solid var(--line);background:var(--line);border-radius:5px;gap:2px;display:grid;overflow:hidden}.cell{width:var(--cell-size);height:var(--cell-size);background:var(--hidden);min-height:0;font:600 calc(var(--cell-size)*.46) Georgia,serif;-webkit-user-select:none;user-select:none;border:0;border-radius:3px;padding:0;position:relative;box-shadow:inset 0 2px #ffffff0c}.cell.revealed{background:var(--panel);color:var(--ink);opacity:1;box-shadow:none}.cell.revealed:hover:not(:disabled){background:var(--line)}.cell.flagged{color:var(--accent)}.cell.mine{color:#e99e91}.cell.noted:after{content:"";pointer-events:none;border:2px solid #d5a86b;border-radius:50%;position:absolute;inset:14%}.cell.focus{outline-offset:-3px;outline:2px solid #d5a86b}.cell.hint-safe{outline-offset:-3px;outline:2px solid #81cba1}.cell.hint-mine{outline-offset:-3px;outline:2px solid #ed9a89}.drawing{pointer-events:none;color:#d5a86b;width:100%;height:100%;position:absolute;inset:0}.drawing.enabled{pointer-events:auto;touch-action:none;cursor:crosshair}.play-controls{background:var(--bg);padding:16px 0 max(12px,env(safe-area-inset-bottom));z-index:2;position:sticky;bottom:0}.tools{gap:10px;max-width:480px;margin:auto;display:flex}.tools button{flex:1;min-height:52px;font-size:15px}.play-help{text-align:center;color:var(--muted);margin:13px 0 0;font-size:11px}.message{color:var(--accent);text-align:center;max-width:640px;margin:10px auto;font-size:13px;line-height:1.8}.result{text-align:center;justify-content:center;align-items:center;gap:20px;padding:20px;display:flex}.result h2{font-size:19px}.subpage{flex-direction:column;gap:12px;max-width:560px;margin:30px auto;display:flex}.subpage h2{margin:22px 0 4px;font-size:16px}.subpage>button{text-align:left;justify-content:space-between;display:flex}.menu-tools{grid-template-columns:1fr 1fr;gap:10px;display:grid}.zoom{color:var(--muted);align-items:center;gap:20px;font-size:14px;display:flex}.zoom input{min-width:0;height:44px;accent-color:var(--accent);flex:1}.help p{color:var(--muted);margin:0;font-size:14px;line-height:1.9}.subpage>p{margin:0 0 12px}@media (width<=620px){.app-header{height:64px;padding:0 12px}.app-header h1{font-size:15px}main{padding:0 16px}.selection-page{margin:28px auto}.hero-title{font-size:32px}.variants{gap:9px}.variant{gap:6px;padding:16px 10px}.variant b{min-width:29px;font-size:18px}.variant span{font-size:13px}.variant small{font-size:9px}.variant .arrow{display:none}.game-page{min-height:calc(100dvh - 64px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}.game-stats{padding:15px 0;font-size:12px}.game-stats small{margin-left:5px;font-size:10px}.board-wrap{--cell-size:clamp(32px,calc((100vw - 44px)/var(--columns) - 2px),var(--preferred-size))!important}.board-scroll{min-height:240px;padding:18px 2px}.level-grid{gap:8px}.difficulty{gap:6px}.difficulty button{padding:10px}.result{flex-direction:column;gap:12px}.subpage{margin:20px auto}.play-controls{padding-top:12px}.tools{gap:8px}.tools button{padding:12px 8px;font-size:14px}}.custom-game{flex-direction:column;gap:16px;display:flex}.custom-fields{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.custom-game label{color:var(--muted);flex-direction:column;gap:8px;font-size:14px;display:flex}.custom-game input{border:1px solid var(--line);background:var(--panel);width:100%;min-width:0;min-height:44px;color:var(--ink);border-radius:12px;padding:12px}.rule-config-picker{color:var(--muted);flex-direction:column;gap:8px;margin:18px 0 4px;font-size:14px;display:flex}.rule-config-picker select,.rule-config-picker input{border:1px solid var(--line);background:var(--panel);width:100%;min-height:44px;color:var(--ink);border-radius:12px;padding:10px 12px}.rule-config-picker small{color:var(--muted);font-size:12px;line-height:1.6}.rule-guide{background:var(--panel);text-align:left;justify-content:space-between;align-items:center;width:100%;margin:22px 0 4px;display:flex}.rule-guide span{color:var(--accent);font-size:18px}.dialog-backdrop{z-index:10;background:#000a;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.rule-dialog{background:var(--bg);border:1px solid var(--line);border-radius:16px;width:min(650px,100%);max-height:min(780px,100dvh - 40px);padding:22px;overflow:auto;box-shadow:0 18px 50px #0008}.dialog-header{justify-content:space-between;align-items:center;gap:16px;display:flex}.dialog-header button{border:0;padding:6px 13px;font-size:22px}.rule-dialog .rule-legend{margin:18px 0 0}.saved-games{border-top:1px solid var(--line);padding-top:18px}.saved-games h3{margin:0 0 10px;font-size:14px;font-weight:550}.saved-game{gap:8px;margin-top:8px;display:flex}.saved-game>button:first-child{text-align:left;background:var(--panel);flex:1;justify-content:space-between;align-items:center;padding:10px 12px;display:flex}.saved-game small{color:var(--muted);font-size:11px}.saved-remove{width:44px;min-width:44px;padding:0;font-size:22px}.custom-game .saved-games{margin-top:4px}@media (width<=620px){.rule-dialog{padding:16px}.saved-game>button:first-child{font-size:13px}.saved-game small{font-size:10px}}.cell.hint-evidence{box-shadow:inset 0 0 0 2px #7faed3}.rule-group strong{font-weight:600;display:block}.rule-groups{grid-template-columns:1fr;gap:12px;display:grid}.rule-group{background:var(--panel);text-align:left;align-items:center;gap:15px;width:100%;padding:18px 16px;display:flex}.group-marker{border:1px solid var(--line);min-width:40px;height:40px;color:var(--accent);border-radius:10px;place-items:center;font-size:22px;font-weight:500;display:grid}.rule-group span:not(.arrow){min-width:0}.rule-group small{color:var(--muted);margin-top:5px;font-size:11px;line-height:1.6;display:block}.rule-group em{color:var(--accent);margin-top:6px;font-size:11px;font-style:normal;display:block}.rule-group .arrow{color:var(--muted);margin-left:auto;font-size:20px}@media (width<=620px){.rule-group{gap:9px;padding:15px 10px}.group-marker{min-width:32px;height:32px;font-size:18px}.rule-group small,.rule-group em{font-size:10px}}.cell.colored{box-shadow:inset 0 0 0 2px var(--accent)}.cell[data-rule-state]{outline:1px dashed var(--accent);outline-offset:-4px}.cell.colored[data-color-id="1"]{box-shadow:inset 0 0 0 2px #e4bb62}.cell.colored[data-color-id="2"]{box-shadow:inset 0 0 0 2px #79b9d2}.cell.revealed.colored[data-color-id="1"]{background:#5a4b2d}.cell.revealed.colored[data-color-id="2"]{background:#294c55}.cell.sharp-clue .clue-value{line-height:1;display:inline-block}.cell.sharp-clue .clue-tag{color:var(--accent);letter-spacing:.02em;vertical-align:super;margin-left:.08em;font:700 .42em/1 Inter,Segoe UI,PingFang SC,sans-serif;position:relative;top:-.42em}.cell.selected-clue{outline:2px solid var(--accent);outline-offset:-3px}.clue-detail{border:1px solid var(--accent);background:var(--panel);border-radius:12px;width:min(640px,100%);margin:0 auto 12px;padding:13px 15px;box-shadow:0 8px 22px #0002}.clue-detail-head{color:var(--muted);align-items:center;gap:9px;font-size:12px;display:flex}.clue-detail-head strong{color:var(--ink);font-size:16px;font-weight:650}.clue-detail-head code{border:1px solid var(--line);color:var(--accent);border-radius:6px;margin-left:auto;padding:3px 7px;font:600 12px/1.2 ui-monospace,SFMono-Regular,monospace}.clue-detail p{color:var(--muted);margin:8px 0 10px;font-size:13px;line-height:1.7}.clue-detail-value{color:var(--muted);align-items:baseline;gap:8px;font-size:12px;display:flex}.clue-detail-value strong{color:var(--accent);font:700 22px Georgia,serif}.clue-detail-value small{color:var(--muted);font-size:11px}.clue-detail-slot{flex:0 0 150px;justify-content:center;align-items:flex-start;height:150px;display:flex;overflow:visible}.clue-detail-slot .clue-detail{height:138px;overflow:hidden}.clue-detail-slot .clue-detail p{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.clue-detail-placeholder{visibility:hidden}.game-notice-slot{flex:0 0 56px;justify-content:center;align-items:center;height:56px;display:flex;overflow:visible}.game-notice-slot .message{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;display:-webkit-box;overflow:hidden}@media (width<=620px){.clue-detail-slot{flex-basis:176px;height:176px}.clue-detail-slot .clue-detail{height:162px}.clue-detail-slot .clue-detail p{-webkit-line-clamp:3}}.ring-selector{border:1px solid var(--line);background:var(--panel);border-radius:12px;width:min(280px,100%);margin:0 auto 18px;padding:12px 14px}.ring-selector.compact{width:220px;margin:0 auto 10px;padding:9px 11px}.ring-selector-head{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;font-size:12px;display:flex}.ring-selector-head small{color:var(--accent);letter-spacing:1px;font:11px ui-monospace,SFMono-Regular,monospace}.ring-selector-grid{grid-template-columns:repeat(3,1fr);gap:4px;width:132px;margin:10px auto;display:grid}.ring-selector-cell,.ring-selector-center{border-radius:8px;place-items:center;width:40px;height:40px;min-height:0;padding:0;font:18px Georgia,serif;display:grid}.ring-selector-cell{color:var(--muted);background:var(--hidden);border-color:var(--line)}.ring-selector-cell:disabled{opacity:1;cursor:default}.ring-selector-cell.selected{color:var(--accent);background:var(--bg);border-color:var(--accent)}.ring-selector-center{color:var(--muted);border:1px dashed var(--line)}.ring-selector p{color:var(--muted);text-align:center;margin:0;font-size:11px;line-height:1.6}.ring-selector.compact .ring-selector-grid{margin:7px auto}.ring-selector.compact .ring-selector-cell,.ring-selector.compact .ring-selector-center{width:32px;height:32px;font-size:14px}.ring-selector.compact .ring-selector-head{font-size:11px}.auxiliary-notes .ring-selector-cell{flex-direction:column;justify-content:center;align-items:center;gap:1px;display:flex}.selector-slot-label{color:var(--muted);letter-spacing:0;font:8px/1 ui-monospace,SFMono-Regular,monospace}.auxiliary-notes .ring-selector-cell b{font:inherit;line-height:1}.cell .clue-render{justify-content:center;align-items:center;width:100%;height:100%;line-height:1;display:inline-flex}.cell .clue-render .clue-array{grid-template-columns:repeat(var(--array-columns),minmax(0,1fr));width:100%;min-width:0;height:82%;font-size:calc(var(--cell-size)*var(--array-font-scale));flex:auto;grid-auto-rows:1fr;place-items:center;gap:1px;line-height:1;display:grid}.cell .clue-array-item{font-variant-numeric:tabular-nums;place-items:center;min-width:0;max-width:100%;line-height:1;display:grid;overflow:hidden}.cell .clue-render .clue-array+.clue-tag{flex:none}.auxiliary-notes .ring-selector-cell.note-included{color:var(--accent);background:var(--bg);border-color:var(--accent)}.auxiliary-notes .ring-selector-cell.note-excluded{color:#e7a29a;background:var(--bg);border-color:#e7a29a}.auxiliary-notes .ring-selector-cell.note-unknown{color:var(--muted);background:var(--hidden);border-color:var(--line)}.auxiliary-notes-legend{color:var(--muted);justify-content:center;gap:10px;font-size:10px;line-height:1.4;display:flex}.auxiliary-notes-legend span{align-items:center;gap:3px;display:inline-flex}.auxiliary-notes-legend b{color:var(--ink);font-size:13px}.board-pager-meta{width:min(100%,640px);min-height:24px;color:var(--muted);justify-content:center;align-items:baseline;gap:8px;margin:0 auto 2px;font-size:11px;line-height:1.4;display:flex}.board-pager-meta strong{color:var(--accent);font-size:12px;font-weight:650}.board-pager-meta small{font-variant-numeric:tabular-nums;font-size:10px}.board-stage{flex:1;grid-template-columns:minmax(0,1fr);align-items:stretch;gap:8px;min-width:0;min-height:280px;display:grid}.board-stage.has-pager{grid-template-columns:minmax(40px,48px) minmax(0,1fr) minmax(40px,48px)}.board-stage .board-scroll{width:100%;min-width:0}.board-pager-button{width:100%;min-height:62px;color:var(--accent);background:var(--panel);border-color:var(--line);border-radius:12px;flex-direction:column;justify-content:center;align-self:center;align-items:center;padding:8px 4px;display:flex}.board-pager-button span{font:32px/1 Georgia,serif}.board-pager-button small{color:var(--muted);white-space:nowrap;margin-top:3px;font-size:10px}.board-pager-button:disabled{color:var(--muted)}.board-stage.has-pager .board-scroll{overscroll-behavior-x:contain}.auxiliary-notes.compact{margin-bottom:8px}@media (width<=620px){.board-pager-meta{gap:6px;min-height:21px;margin-bottom:1px;font-size:10px}.board-pager-meta strong{font-size:11px}.board-pager-meta small{font-size:9px}.board-stage{gap:3px;min-height:240px}.board-stage.has-pager{grid-template-columns:34px minmax(0,1fr) 34px}.board-stage .board-scroll{min-height:240px;padding:18px 0}.board-pager-button{border-radius:10px;min-height:54px;padding:6px 2px}.board-pager-button span{font-size:27px}.board-pager-button small{font-size:9px}.board-stage.has-pager .board-wrap{--cell-size:clamp(32px,calc((100vw - 112px)/var(--columns) - 2px),var(--preferred-size))!important}.auxiliary-notes.compact{width:min(210px,100%);margin-bottom:6px;padding:8px 9px}.auxiliary-notes.compact .ring-selector-grid{margin:5px auto}.auxiliary-notes.compact>p{font-size:10px;line-height:1.4}.auxiliary-notes.compact .auxiliary-notes-legend{gap:7px;font-size:9px}}.rule-legend{border:1px solid var(--line);background:var(--panel);border-radius:14px;margin:24px 0;padding:18px}.rule-columns{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;font-size:13px;line-height:1.8;display:grid}.rule-columns span{color:var(--muted)}.rule-columns b{color:var(--ink);font-weight:500;display:block}.rule-legend h3{margin:0 0 8px;font-size:16px;font-weight:550}.legend-key{color:var(--muted);margin:0 0 16px;font-size:12px;line-height:1.7}.legend-examples{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:22px;display:grid}.legend-example{min-width:0;margin:0}.legend-example h4{margin:0 0 10px;font-size:13px;font-weight:500}.legend-grid{gap:3px;width:100%;max-width:210px;margin:0 auto 12px;display:grid}.legend-cell{aspect-ratio:1;border:2px solid var(--line);background:var(--hidden);color:var(--muted);border-radius:4px;place-items:center;font:600 20px Georgia,serif;display:grid}.legend-cell.counted{border-color:var(--accent);color:var(--ink)}.legend-cell.center{background:var(--accent);border-color:var(--accent);color:var(--bg)}.legend-cell.has-mine{color:var(--ink)}.legend-cell.colored-dyed{border-color:#e4bb62}.legend-cell.colored-plain{border-color:#79b9d2}.legend-example figcaption{color:var(--muted);font-size:12px;line-height:1.8}@media (width<=420px){.legend-examples{grid-template-columns:1fr}}