:root{--paper:#f3ecdf;--ink:#302c28;--muted:#716856;--rule:#cbbda5;--accent:#49624c;--gold:#997027;--red:#af4539;--blue:#397b9f}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 Georgia,'Times New Roman',serif;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cpath d='M12 21h2M90 65h1M45 122h3M118 17h1' stroke='%23b4a486' opacity='.18'/%3E%3C/svg%3E")}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:5px}a:hover{color:var(--accent)}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--blue);outline-offset:4px}button,input,select{border:1px solid var(--rule);background:#faf5eb;color:var(--ink);border-radius:2px;padding:10px 14px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:400;line-height:1.08}h1{font-size:clamp(43px,5.4vw,78px);letter-spacing:-.045em}h2{font-size:34px;letter-spacing:-.02em}h3{font-size:24px}main,.archive-header,.archive-footer{width:min(1180px,calc(100% - 80px));margin:auto}.archive-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0;border-bottom:2px solid var(--ink)}.brand{font-size:27px;text-decoration:none;line-height:1;white-space:nowrap}.brand span{font-size:36px;margin-right:7px}.brand small{display:block;font:9px/1.4 Arial,sans-serif;letter-spacing:.23em;margin:10px 0 0 47px}.archive-header nav,.archive-footer nav{display:flex;align-items:center;gap:28px;font:14px/1.4 Arial,sans-serif}.archive-header nav>a{text-decoration:none}.languages{display:flex;gap:12px;padding-left:24px;border-left:1px solid var(--rule)}.languages a{text-decoration:none;color:var(--muted)}.languages [aria-current]{color:var(--ink);text-decoration:underline}.eyebrow{font:11px/1.5 Arial,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.eyebrow span{letter-spacing:.07em}.archive-intro{display:grid;grid-template-columns:1.3fr 1fr;gap:16px 80px;padding:44px 0 35px;align-items:end}.archive-intro>.eyebrow{grid-column:1/-1}.archive-intro>p:not(.eyebrow){font-size:19px;line-height:1.65;max-width:420px}.archive-tally{display:flex;gap:26px;grid-column:1/-1;font:11px/1.5 Arial,sans-serif;letter-spacing:.1em;text-transform:uppercase;margin-top:10px}.featured{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:30px 0}.featured-card{display:grid!important;grid-template-columns:410px 1fr;gap:65px;align-items:center}.featured-card h2{font-size:54px}.featured-card 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h2{margin-top:10px}.section-heading>p{color:var(--muted)}.archive-library{padding-top:55px}.archive-filters{display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:20px 0;margin-bottom:12px}.archive-filters label{font:11px/1.5 Arial,sans-serif;letter-spacing:.07em;text-transform:uppercase}.archive-filters input,.archive-filters select{display:block;width:100%;margin-top:7px;font:15px/1.5 Arial,sans-serif;letter-spacing:normal;text-transform:none}.small{font:12px/1.6 Arial,sans-serif;color:var(--muted)}.archive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:46px 30px;margin-top:26px}.archive-card{min-width:0}.archive-card h2{font-size:31px}.archive-card .card-copy{padding-top:14px}.archive-card.featured-card h2{font-size:52px}.archive-card .card-copy>p:not(.eyebrow):not(.tags){line-height:1.55}.archive-card[data-kind=study] .diagram-link img{object-fit:contain;background:#eee3ce}.training-invite{padding:38px 42px;border:1px solid var(--rule);margin:70px 0 20px;background:#e8e3d3;max-width:850px}.training-invite h2{margin:12px 0}.training-invite .small{display:inline-block;margin-left:20px}.button{display:inline-block;background:var(--ink);color:var(--paper);padding:12px 21px;text-decoration:none;font:14px/1.5 Arial,sans-serif;margin-top:22px;border:1px solid var(--ink)}.button:hover{background:var(--accent);color:#fff}.archive-footer{border-top:2px solid var(--ink);margin-top:60px;padding:30px 0 45px;display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}.archive-footer p{color:var(--muted)}.archive-footer nav{width:100%;font-size:12px}.back-link{display:inline-block;margin:26px 0;font:12px Arial,sans-serif}.story-top{display:grid;grid-template-columns:minmax(260px,380px) 1fr;gap:70px;align-items:start;padding-bottom:48px;border-bottom:1px solid var(--rule)}.story-video{text-align:center}.story-video video{display:block;width:100%;max-height:650px;aspect-ratio:9/16;background:#dfd2bc;border:1px solid #baa98d}.story-video .small{margin-top:12px}.story-intro{padding-top:12px}.story-intro h1{font-size:clamp(42px,5vw,66px);margin:15px 0}.story-intro .players{margin:14px 0 24px}.lede{font-size:21px;line-height:1.6}.story-intro .tags{margin-top:20px}.curiosity{border-left:2px solid var(--gold);padding:0 0 0 22px;margin-top:30px}.curiosity p+p{margin-top:9px;font-size:17px}.game-section{padding-top:48px}.game-section .section-heading h2{font-size:28px}.game-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(250px,1fr);gap:40px}.board-fallback{width:100%;display:block}#history-board{position:relative;aspect-ratio:1;width:100%;border:5px solid #8a704f;background:#f3ead8;display:grid;grid-template-columns:repeat(8,1fr);box-shadow:0 5px 14px 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.text-link{margin-top:10px}.archive-grid .duration{font-size:10px;right:3px;bottom:3px;padding:2px 4px}.training-invite{margin-top:38px;padding:24px}.training-invite .small{display:block;margin:15px 0 0}.archive-footer{margin-top:38px;padding-top:25px;gap:16px}.archive-footer nav{gap:20px;flex-wrap:wrap}.story-top{display:flex;flex-direction:column;gap:25px}.story-intro{display:contents}.story-intro>.eyebrow{order:-5}.story-intro h1{order:-4;margin:0;font-size:43px}.story-intro>.players{order:-3;margin:0}.story-video{order:-2;max-width:370px;width:100%;margin:auto}.story-video video{max-height:65vh}.story-intro .lede{order:-1}.curiosity{margin-top:0}.game-layout{grid-template-columns:1fr}.game-section{padding-top:32px}.game-section .section-heading h2{font-size:25px}.move-list{max-height:230px}.board-note{min-height:0}.section-heading .text-link{margin-top:12px}.board-controls button{font-size:12px}.source-section h2{font-size:23px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.diagram-link img{transition:none}}
/* Guided stories: the same ink, paper and meaningful colors as the reels. */
.archive-routes{padding:34px 0 4px}.archive-routes>div{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:15px}.archive-routes a{text-decoration:none;border-top:1px solid var(--rule);padding-top:16px}.archive-routes strong{display:block;font-size:23px;font-weight:400}.archive-routes span{display:block;margin-top:9px;font:13px/1.6 Arial,sans-serif;color:var(--muted)}.archive-filters{grid-template-columns:2fr 1fr 1fr 1fr}.story-context{max-width:760px;padding:40px 0 0}.story-context h2{margin:12px 0 22px}.story-context>p:not(.eyebrow){font-size:19px;line-height:1.7;margin-top:16px}.story-modes{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--rule);padding-bottom:18px}.story-modes button{font:14px Arial,sans-serif}.story-modes [aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--paper)}.chapter-nav{display:flex;gap:10px;margin:20px 0 25px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}.chapter-nav button{flex:1;text-align:left;min-width:165px;font:13px/1.5 Arial,sans-serif;background:transparent}.chapter-nav span{display:block;font-size:10px;color:var(--muted);letter-spacing:.12em;margin-bottom:5px}.chapter-nav [aria-current=true]{border-color:var(--accent);background:#e0e5d8}.guide-layout{align-items:start}.guide-layout .score-panel{padding-top:8px}#chapter-title{font-size:32px;margin:12px 0 18px}#chapter-text,#challenge-copy>p{margin-bottom:18px;font-size:18px;line-height:1.65}.guide-controls,.challenge-controls{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.guide-controls button,.challenge-controls button,#continue-full,#try-challenge{font:13px/1.5 Arial,sans-serif}.material-note{border-top:1px solid var(--rule);padding-top:15px;margin-top:22px;font:14px/1.7 Arial,sans-serif}.material-note:empty{display:none}#continue-full,#try-challenge{margin-top:18px;text-align:left}#challenge-copy h3{font-size:30px;margin:10px 0 18px}.board-legend{display:flex;gap:16px;flex-wrap:wrap;font:11px/1.5 Arial,sans-serif;color:var(--muted);margin-top:20px}.board-legend span:before{content:'';display:inline-block;width:12px;height:12px;margin-right:6px;vertical-align:-2px;border:2px solid currentColor}.legend-attack{color:var(--red)}.legend-defense{color:var(--blue)}.legend-plan{color:var(--gold)}.legend-plan:before{border-style:dashed!important}.guide-transcript{margin-top:36px;border-top:1px solid var(--rule);padding-top:20px;max-width:800px}.guide-transcript summary{cursor:pointer}.guide-transcript ol{padding-left:23px}.guide-transcript li{padding:18px 0}.guide-transcript h3{font-size:23px;margin-bottom:10px}.guided-story [hidden],.archive-card[hidden]{display:none!important}.guided-story .history-square.last{background-color:#d4bf85;box-shadow:inset 0 0 0 3px #997027}.guided-story .history-square.mark-defense{background-color:#c3d6d8;box-shadow:inset 0 0 0 3px var(--blue)}.guided-story .history-square.mark-plan{box-shadow:inset 0 0 0 3px var(--gold)}.guided-story .history-square.mark-attack,.guided-story .history-square.checked{background-color:#dbac9c;box-shadow:inset 0 0 0 3px var(--red)}.guided-story .history-square img{position:relative;z-index:2;pointer-events:none}.guided-story .board-arrows{z-index:4}.guided-story .history-square small{pointer-events:none;z-index:3}.wave-square:after{content:'';position:absolute;inset:3px;pointer-events:none;z-index:1;animation:history-wave .52s ease-out var(--wave-delay) both}.relation path{stroke:currentColor;stroke-width:7;fill:none;stroke-linecap:round;stroke-linejoin:round}.relation.ink-in:not(.relation-plan) .relation-line{stroke-dasharray:1;animation:history-ink .42s ease-out .35s both}.relation.ink-in .relation-head{animation:history-head .2s ease-out .65s both}.relation-plan .relation-line{stroke-dasharray:.055 .038}.correct{color:#305b3c;background:#e2e8d8;padding:12px 14px;border-left:3px solid #49624c}.challenge-board button.history-square{padding:0;border:0;border-radius:0;cursor:pointer;touch-action:none;user-select:none;min-width:0;min-height:0;font:inherit}.challenge-board .history-square:focus-visible{outline:3px solid var(--blue);outline-offset:-4px;z-index:3}.challenge-board .history-square.selected{background:#c3d6d8;box-shadow:inset 0 0 0 4px var(--blue)}.drag-origin img{opacity:.2}.history-drag-ghost{position:fixed;z-index:1000;pointer-events:none;transform:translate(-50%,-50%);filter:drop-shadow(0 7px 4px #302c2840)}
@keyframes history-wave{0%{background:#af453900;box-shadow:inset 0 0 0 2px #af453900}30%{background:#af453966;box-shadow:inset 0 0 0 3px #af4539}100%{background:#af453900;box-shadow:inset 0 0 0 2px #af453900}}@keyframes history-ink{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}@keyframes history-head{from{opacity:0}to{opacity:1}}
@media(max-width:760px){.archive-routes>div{grid-template-columns:1fr;gap:20px}.archive-filters{grid-template-columns:1fr 1fr}.archive-routes strong{font-size:24px}.story-context{padding-top:30px}.story-context>p:not(.eyebrow){font-size:17px}.story-context h2{font-size:30px}.story-modes{gap:6px}.story-modes button{flex:1;font-size:12px;padding:10px 7px}.chapter-nav{margin:15px 0;gap:6px}.chapter-nav button{min-width:146px;padding:9px 12px}.guide-layout{gap:18px}.guide-layout .score-panel{order:-1;padding:0}.guide-layout:has(#full-score:not([hidden])) .score-panel{order:1}#chapter-title{font-size:25px;margin:6px 0 10px}#chapter-text{font-size:15px;line-height:1.55;margin-bottom:10px}.guide-controls{margin:12px 0}.guide-controls button{font-size:12px;padding:8px 10px}.material-note{margin:12px 0 0;padding-top:8px}#try-challenge{display:none}.board-legend{gap:10px;font-size:10px}#challenge-copy h3{font-size:25px;margin:6px 0 10px}#challenge-copy>p{font-size:15px;line-height:1.5;margin-bottom:10px}#challenge-copy>.small{font-size:12px}.challenge-controls{margin:12px 0}#challenge-copy .button{margin-top:0;padding:8px 12px;font-size:12px}.guided-story .board-note{font-size:16px;line-height:1.55}.guide-transcript{font-size:15px}.guide-transcript h3{font-size:21px}}
@media(prefers-reduced-motion:reduce){.wave-square:after,.relation.ink-in .relation-line,.relation.ink-in .relation-head{animation:none!important}.relation.ink-in:not(.relation-plan) .relation-line{stroke-dasharray:none}}
.guide-layout{grid-template-columns:minmax(0,1fr) minmax(280px,.85fr);max-width:1080px}.guide-layout .board-column{max-width:min(100%,calc(100svh - 260px))}@media(max-width:760px){.guide-layout{grid-template-columns:1fr}.guide-layout .board-column{max-width:100%}}
.guided-badge{display:inline-block;margin-bottom:10px;padding:5px 9px;border:1px solid #8e9d7e;color:#405a3e;background:#e4e9dc;font:11px/1.4 Arial,sans-serif;letter-spacing:.03em}