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.icon-button{width:44px;height:44px}.share-title{overflow-wrap:anywhere;margin-top:16px;font-size:15px;display:block}.share-description,.share-message,.share-footnote{font-size:12px;line-height:1.7}.share-description{color:var(--muted);margin-top:4px}.share-message{margin:16px 0 12px}.share-dialog textarea{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--ink);resize:none;overflow-wrap:anywhere;border-radius:6px;padding:10px;font-size:12px}.share-dialog .primary-button{width:100%;margin-top:12px}.share-footnote{color:var(--muted);margin-top:14px}::selection{background:var(--yellow);color:#112b5f}input,textarea{caret-color:var(--primary)}*{scrollbar-color:var(--primary) var(--surface-2);scrollbar-width:thin}.app-header{background:var(--ocean);color:#fff;border-bottom:4px solid var(--yellow)}.brand-mark,[data-theme=dark] .brand-mark{background:var(--yellow);color:#112b5f;border:2px solid #fff0a3}.brand strong{letter-spacing:0;font-weight:900}.brand small,.app-header .privacy-badge{color:#e5f0ff}.header-actions .icon-button{color:#fff}.header-actions .icon-button:hover{background:#0a49ad}.battle-nav{background:var(--yellow);color:#112b5f;border:2px solid #ffec9b;border-radius:9px;align-items:center;gap:7px;min-height:44px;padding:8px 14px;font-weight:800;display:inline-flex}.primary-button,[data-theme=dark] .primary-button{background:var(--yellow);color:#112b5f;border:2px solid #c99b15;font-weight:850;box-shadow:inset 0 -3px 3px #b58a1529}.secondary-button{border:2px solid var(--line);font-weight:750}.room-sidebar{background:var(--surface-2)}.room-item{border-radius:10px}.room-item.active{background:var(--ocean);border-color:var(--ocean);color:#fff}.room-item.active small,.room-item.active .room-count,.room-item.active .room-icon{color:#fff0a0}.room-item.active strong{color:#fff}.board-title h1{font-weight:900}.board-title h1>span{border-color:var(--primary);color:var(--primary-ink);background:var(--primary-soft)}.board-surface{border:3px solid var(--primary);background:var(--primary-soft);border-radius:14px}.board-cell{font-weight:800;box-shadow:inset 0 -2px #112b5f10}.board-cell.number{border-color:var(--line);background:var(--surface);color:var(--primary-ink)}.board-cell.gem{background:var(--gem-soft);color:var(--gem)}.board-cell.best{outline:2px solid var(--primary);outline-offset:1px;background:var(--yellow);color:#112b5f}.board-cell.certain,.board-cell.certain.best,[data-theme=dark] .board-cell.certain,[data-theme=dark] .board-cell.certain.best{border:2px solid var(--gem);background:var(--gem-soft);color:var(--gem)}.cell-dot{background:currentColor}.board-cell.empty{background:var(--surface-2);color:var(--muted)}.board-cell.selected{outline-color:var(--primary)}.recommendation{background:var(--yellow);color:#112b5f;border-radius:12px;padding:16px}.recommendation-main strong,.recommendation-label,.recommendation-main>span,.recommendation-reason{color:#112b5f}.recommendation .coordinate-list button{background:var(--ocean);color:#fff;border-color:var(--ocean);font-weight:850}.recommendation summary,.recommendation .alternative-details{color:#112b5f}.full-legend .recommend-symbol{background:var(--yellow);color:#112b5f;border-color:var(--primary)}.full-legend .certain-symbol{background:var(--gem-soft);color:var(--gem);border-color:var(--gem)}.cell-dialog,.image-source-dialog,.automatic-import-dialog,.share-dialog{border:2px solid var(--primary);background:var(--surface);border-radius:14px}.cell-dialog h2,.share-dialog h2,.image-source-dialog h2{font-weight:900}.gem-pick{background:var(--gem-soft);color:var(--gem)}.number-picker button{background:var(--primary-soft);color:var(--primary-ink);font-weight:850}.number-picker button:hover{background:var(--yellow);color:#112b5f}.mobile-actions{background:var(--surface);border-top:2px solid var(--line)}.mobile-actions .mobile-recommend{color:var(--primary-ink)}.view-tabs{background:var(--surface-2)}.view-tabs button.active{background:var(--ocean);color:#fff}.text-button{justify-content:center;align-items:center;gap:6px;min-height:44px;display:inline-flex}.battle-page,.battle-readonly{width:min(1100px,100%);margin:0 auto;padding:30px 24px 80px}.battle-heading{margin:20px 0 32px}.battle-heading>div{align-items:center;gap:12px;display:flex}.battle-heading svg{color:var(--gem);flex-shrink:0}.battle-heading h1{font-size:clamp(26px,4vw,38px);font-weight:900}.battle-heading>p{color:var(--muted);margin-top:9px;font-size:15px}.current-battle{border:2px solid var(--primary);background:var(--surface);border-radius:14px;padding:24px}.battle-section-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.battle-section-heading h2{font-size:20px;font-weight:850}.battle-section-heading h2 small{color:var(--muted);margin-left:8px;font-size:13px;font-weight:600}.battle-status{color:#112b5f;background:var(--yellow);border-radius:6px;padding:5px 9px;font-size:12px;font-weight:800}.battle-metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:22px 0;display:grid}.battle-metrics dt{color:var(--muted);align-items:center;gap:6px;font-size:13px;display:flex}.battle-metrics dd{color:var(--primary-ink);font-variant-numeric:tabular-nums;margin:9px 0 0;font-size:38px;font-weight:900;line-height:1.15}.battle-metrics dd small{color:var(--muted);font-size:16px;font-weight:600}.battle-basis{color:var(--muted);font-size:12px;line-height:1.8}.battle-actions{flex-wrap:wrap;gap:10px;margin:18px 0 12px;display:flex}.battle-history{margin-top:36px}.battle-history>.battle-basis{margin-top:8px}.battle-records{border-top:2px solid var(--line);margin-top:16px}.battle-record{border-bottom:1px solid var(--line);padding:20px 0}.battle-record>label{cursor:pointer;align-items:center;gap:12px;min-height:44px;display:flex}.battle-record input{width:23px;height:23px;accent-color:var(--primary);flex-shrink:0}.battle-record label strong,.battle-record label small{display:block}.battle-record label small{color:var(--muted);margin-top:5px;font-size:12px}.battle-record .battle-metrics{margin:14px 0}.battle-record .battle-metrics dd{font-size:26px}.battle-empty{color:var(--muted);text-align:center;padding:38px 0}.battle-empty p{color:var(--ink);margin:10px 0;font-weight:800}.battle-empty span{font-size:13px}.aggregate-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:22px 0;display:flex}.aggregate-actions>span{color:var(--muted);font-size:13px}.battle-share-result{border-top:2px solid var(--primary);margin-top:36px;padding-top:28px}.battle-poster{grid-template-columns:minmax(0,1fr) minmax(260px,1fr);align-items:start;gap:32px;margin:24px 0;display:grid}.poster-preview{width:100%;max-width:430px}.poster-preview img{border:2px solid var(--line);-webkit-user-select:auto;user-select:auto;-webkit-touch-callout:default;border-radius:12px;width:100%;height:auto;display:block}.poster-loading{background:var(--primary-soft);min-height:280px;color:var(--primary-ink);border-radius:12px;place-content:center;gap:12px;display:grid}.poster-loading svg{margin:auto}.poster-tools{flex-direction:column;gap:12px;min-width:0;display:flex}.poster-tools h3{font-size:22px;font-weight:850}.poster-tools>p{color:var(--muted);font-size:13px;line-height:1.8}.poster-tools>.primary-button{margin-top:10px}.battle-link-label{color:var(--muted);margin-top:10px;font-size:12px}.battle-link-label input{background:var(--surface);border:1px solid var(--line);width:100%;min-width:0;color:var(--ink);border-radius:8px;margin-top:6px;padding:12px;display:block}.poster-tools .poster-message{color:var(--primary-ink);min-height:22px}.readonly-note{color:var(--muted);font-size:13px}.battle-readonly .battle-metrics{background:var(--surface);border-radius:12px;padding:22px}.start-own{margin-top:20px;text-decoration:none}.back-board{padding:0}.community-stats{background:var(--surface-2);min-height:40px;color:var(--muted);border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 24px;padding:6px 16px;font-size:12px;display:flex}.community-stats>span{align-items:center;gap:6px;display:inline-flex}.community-stats b{color:var(--primary-ink);font-weight:850}@media (width<=639px){.app-header{gap:6px;padding-inline:12px}.brand{gap:6px}.brand-mark{width:34px;height:38px}.brand strong{font-size:16px}.brand small{font-size:10px}.header-actions{gap:2px}.header-actions .icon-button{width:44px;height:44px}.battle-nav{width:44px;min-height:44px;padding:0}.battle-nav span{display:none}.board-surface{border-width:2px}.board-cell.best{outline-offset:0}.battle-page,.battle-readonly{padding:20px 16px 40px}.battle-heading{margin-top:14px}.current-battle{padding:18px 14px}.battle-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 12px}.battle-metrics dd{font-size:34px}.battle-poster{grid-template-columns:minmax(0,1fr);gap:22px}.poster-preview{max-width:100%}.battle-actions>button{flex:140px}.recommendation{padding:14px}}.battle-empty>svg{margin-inline:auto}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ease{syntax:"*";inherits:false}