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var(--line)}.board-rename-hint{pointer-events:none;flex:none}.board-row-head .text-btn{min-height:36px;padding:4px 0}.board-row-cards{align-items:flex-start;gap:8px;min-height:120px;padding:10px 12px 12px;display:flex;overflow-x:auto}.board-empty{align-self:center}.board-card{touch-action:manipulation;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;background:0 0;border:none;flex:none;padding:0;line-height:0;position:relative}.board-card.is-dragging{opacity:.3}.board-card.is-overlay{transform:scale(1.08);box-shadow:0 10px 30px #00000080}.board-card-id{color:#fff;background:#000000b3;border-radius:4px;padding:2px 4px;font-size:12px;line-height:1;position:absolute;bottom:3px;left:3px}.board-foot{justify-content:space-between;align-items:center;display:flex}.solution{flex-direction:column;gap:18px;display:flex}.qcallout-answer{border-top:1px solid var(--line);flex-direction:column;gap:10px;margin-top:4px;padding-top:12px;display:flex}.note>.section,.note>.solution{margin-bottom:14px}.notes{flex-direction:column;gap:10px;display:flex}.note{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:0 14px}.note[open]{padding-bottom:14px}.note summary{cursor:pointer;flex-direction:column;gap:4px;padding:14px 0;list-style:none;display:flex}.note summary::-webkit-details-marker{display:none}.note summary{padding-right:24px;position:relative}.note summary:after{content:"";border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);width:8px;height:8px;transition:transform .15s;position:absolute;top:22px;right:4px;transform:rotate(-45deg)}.note[open]>summary:after{transform:rotate(45deg)}.note-q{font-size:24px;line-height:1.2}.total{border-bottom:1px solid var(--line);padding:8px 0 14px}.total-time{margin:4px 0 6px;font-size:64px;line-height:1}.legend{flex-wrap:wrap;gap:6px 16px;display:flex}.legend i,.stat-parts dt i{vertical-align:-1px;border-radius:2px;width:10px;height:10px;margin-right:6px;display:inline-block}.sw-0{background:var(--text-h)}.sw-1{background:var(--accent-text)}.sw-2{background:var(--muted);opacity:.6}.stat{border-bottom:1px solid var(--line);flex-direction:column;gap:8px;padding:12px 0;display:flex}.stat-head{color:var(--text-h);justify-content:space-between;align-items:baseline;display:flex}.bar{background:var(--surface-2);border-radius:5px;min-width:4px;height:10px;display:flex;overflow:hidden}.stat-parts{gap:2px;margin:0;display:grid}.stat-parts div{justify-content:space-between;display:flex}.stat-parts dt,.stat-parts dd{margin:0}.stat-more summary{cursor:pointer;align-items:center;gap:8px;padding:6px 0;list-style:none;display:inline-flex}.stat-more summary::-webkit-details-marker{display:none}.stat-more summary:after{content:"";border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);width:6px;height:6px;transition:transform .15s;transform:rotate(-45deg)}.stat-more[open] summary:after{transform:rotate(45deg)}.stat-more[open] summary{margin-bottom:4px}.intro-recap{margin-top:24px}.fold{gap:0}.fold-head{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;min-height:40px;list-style:none;display:flex}.fold-head::-webkit-details-marker{display:none}.fold-chev{border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);width:8px;height:8px;margin-right:4px;transition:transform .15s;transform:rotate(45deg)}.fold:not([open]) .fold-chev{transform:rotate(-45deg)}.fold-body{flex-direction:column;gap:10px;padding-top:6px;display:flex}.intro-recap .intro-text{margin-top:0}.revisit{flex-wrap:wrap;gap:8px;display:flex}.votebar{z-index:150;background:var(--surface);border:1px solid var(--accent-text);border-radius:16px;flex-direction:column;gap:8px;max-width:560px;margin:0 auto;padding:16px;animation:.2s ease-out rise;display:flex;position:fixed;bottom:12px;left:12px;right:12px;box-shadow:0 12px 40px #00000073}.votebar--note{border-color:var(--line);padding:12px 16px;font-size:16px}.votebar-title{color:var(--text-h)}.votebar-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.votebar-actions .pill-btn,.votebar-actions .ghost-btn{flex:1}.votebar-actions .text-btn{flex-basis:100%;min-height:36px;padding:4px 0}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.dialog-overlay{z-index:400;background:#0009;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.dialog{background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:12px;width:100%;max-width:420px;padding:20px;display:flex}.dialog-title{font-size:24px;line-height:1.2}.dialog-actions{justify-content:flex-end;gap:8px;display:flex}.menu-overlay{z-index:250;background:#0000008c;position:fixed;inset:0}.menu{background:var(--bg);border:1px solid var(--line);max-width:600px;max-height:85svh;padding:8px 20px calc(16px + env(safe-area-inset-bottom,0px));border-bottom:none;border-radius:20px 20px 0 0;flex-direction:column;margin:0 auto;animation:.2s ease-out sheet;display:flex;position:absolute;bottom:0;left:0;right:0;overflow-y:auto}@keyframes sheet{0%{opacity:0;transform:translateY(32px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.menu{animation:none}}.menu-grip{background:var(--line);border-radius:2px;flex:none;align-self:center;width:36px;height:4px;margin-bottom:8px}.menu-close{flex:none;margin-top:12px}.menu-item{border:none;border-top:1px solid var(--line);text-align:left;min-height:52px;color:var(--text-h);background:0 0;justify-content:space-between;align-items:center;padding:0;font-size:16px;display:flex}.menu-item--quiet{color:var(--muted)}.menu-note{padding:4px 0 12px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.home-foot-link{color:inherit;text-underline-offset:3px;margin-top:10px;text-decoration:underline;display:inline-block}.credit a,.about a{text-underline-offset:3px;text-decoration:underline}.end-credit{text-align:center;margin-top:28px}.about .h2{margin-top:28px}.about-cases{gap:10px;margin:8px 0 0;padding:0;list-style:none;display:grid}.about-cases li{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.end-line{font-size:17px}.end-brag{color:var(--accent-text);margin-top:-4px;font-weight:600}.rule-title{font-weight:600}