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#192b1c70;width:85%}.piece,.glyph{object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;filter:drop-shadow(0 1px 1px #212f2a35);width:87%;height:87%}.glyph{color:#151a16;place-items:center;font-size:clamp(16px,5vw,48px);line-height:1;display:grid}.glyph.w{color:#fff;-webkit-text-stroke:1px #18251e}.coord{pointer-events:none;font-size:clamp(7px,1.05vw,12px);font-weight:800;line-height:1;position:absolute}.compact .coord{font-size:8px}.coord.rank{top:3px;left:3px}.coord.file{bottom:3px;right:3px}.arrows{pointer-events:none;z-index:3;width:100%;height:100%;position:absolute;inset:0}.promotion{z-index:4;color:#fff;background:#14231ac9;align-content:center;justify-items:center;gap:12px;display:grid;position:absolute;inset:0}.promotion>div{gap:5px;width:min(75%,295px);display:flex}.promotion>div button{aspect-ratio:1;background:#f2ecd9;border:0;border-radius:7px;place-items:center;width:25%;display:grid}.promotion .quiet{color:#fff}.controls{background:var(--surface);border:1px solid var(--stroke);border-radius:9px;justify-content:center;align-items:center;gap:3px;padding:5px;display:flex}.controls-spacer{flex:1}.active-control{background:var(--green-soft);color:var(--green)}.expanded-board{background:var(--bg);grid-template-columns:min(86dvh,94vw);place-content:center;max-width:none;padding:10px}.studio-board:fullscreen{background:var(--bg);grid-template-columns:min(86dvh,94vw);place-content:center;max-width:none;padding:10px}.expanded-board{z-index:40;display:grid;position:fixed;inset:0}.move-grid{border:1px solid var(--stroke);background:var(--subtle);border-radius:9px;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;max-height:240px;padding:6px;display:grid;overflow:auto}.move-grid button{background:var(--surface);color:var(--ink);text-align:left;border:1px solid #0000;border-radius:5px;padding:5px 7px;font-size:13px;font-weight:750}.move-grid button.current{background:var(--green-soft);color:var(--green);border-color:#9fc1a9}.move-grid button span{color:var(--muted);margin-right:3px;font-weight:500}.notice-box{background:var(--green-soft);color:var(--green);border-radius:8px;padding:9px 12px;font-size:13px;line-height:1.5}.notice-box.error{color:#812d27;background:#fae8e2}.popover{z-index:20;gap:9px;min-width:230px;padding:15px;font-size:13px;display:grid;position:absolute;top:61px;right:25px}.popover a{color:var(--green);font-weight:750}.popover small{color:var(--green)}.modal-backdrop,.drawer-backdrop{z-index:25;background:#0c251eb0;border:0;position:fixed;inset:0}.search-modal{width:min(550px,100% - 26px);margin:12vh auto 0;overflow:hidden}.search-input{color:var(--muted);border-bottom:1px solid var(--stroke);align-items:center;gap:8px;padding:9px 12px;display:flex}.search-input input{flex:1;min-width:0;border:0!important}.search-results{max-height:60vh;padding:9px;overflow:auto}.search-results a{border-radius:7px;justify-content:space-between;align-items:center;padding:8px 10px;font-size:14px;display:flex}.search-results a:hover{background:var(--subtle)}@media(max-width:1150px){.main-content{padding-left:25px;padding-right:25px}.topbar{gap:17px;padding:0 24px}.sidebar{padding-top:21px}.nav-group{margin-bottom:13px}.nav-link{min-height:37px}.brand{margin-bottom:22px}.daily-layout{gap:12px}.dashboard-grid{grid-template-columns:minmax(0,1.45fr) minmax(0,1fr)}.daily-copy h3{font-size:19px}}@media(max-width:990px){.shell{--sidebar-w:201px}.sidebar{padding-left:11px;padding-right:11px}.brand{font-size:17px}.main-content{padding-left:18px;padding-right:18px}.stats-grid{gap:8px}.stat{gap:7px;padding:9px 7px}.stat .tile-icon{width:32px;height:32px}.stat .tile-icon svg{width:17px}.stat-copy>span{font-size:10.5px}.stat-copy strong{font-size:22px}.daily-layout{grid-template-columns:1fr 1fr}.daily-card,.feature-card,.weekly-card,.lower-card{padding:12px}.daily-card .section-heading .tag{display:none}.grid-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.sidebar{z-index:30;width:240px;transition:transform .2s;transform:translate(-110%)}.drawer-open .sidebar{transform:translate(0)}.drawer-open .drawer-backdrop{display:block}.main-shell{margin-left:0}.collapse-toggle{display:none}.mobile-menu{display:inline-grid}.topbar{gap:8px;height:56px;padding:0 12px}.top-actions{gap:5px}.top-divider{display:none}.top-search{background:0 0;border:0;justify-content:center;width:35px;height:35px;padding:0}.top-search span,.top-search kbd{display:none}.breadcrumb{font-size:12px}.main-content{padding:18px 14px 0}.dash-welcome{margin-bottom:14px}.date-label{padding:6px;font-size:10px}.hero{background-position:60%;min-height:265px;padding:19px}.hero:before{background:linear-gradient(90deg,#142e21fa,#142e21be 50%,#142e2139)}.hero h2{font-size:clamp(39px,9vw,60px)}.hero-progress{width:125px;bottom:10px;right:11px}.hero p{max-width:215px}.hero-button{font-size:12px}.dashboard-grid{grid-template-columns:1fr}.dashboard-stack{grid-template-rows:auto;grid-template-columns:1fr 1fr}.daily-layout{grid-template-columns:minmax(0,1fr) minmax(0,.8fr)}.daily-board{max-width:280px}.daily-card .section-heading .tag{display:inline-flex}.studio-grid{grid-template-columns:1fr;gap:12px}.studio-board{width:min(100%,540px);margin:auto}.coord{font-size:9px}.popover{top:52px;right:11px}}@media(max-width:490px){.dash-welcome .date-label{display:none}.top-streak,.top-xp{gap:2px;font-size:10px}.top-stat svg{width:13px}.top-actions .icon-button{width:30px}.top-profile>svg{display:none}.avatar{width:29px;height:29px}.hero-progress{display:none}.hero{min-height:245px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin:12px 0}.stat{min-height:72px;padding:9px}.dashboard-stack{grid-template-columns:1fr}.dashboard-grid{gap:11px}.daily-card .section-heading .tag{display:none}.daily-copy h3{font-size:17px}.daily-copy p{font-size:11px}.daily-copy .button{min-height:34px;padding:7px;font-size:11px}.grid-list{grid-template-columns:1fr}.studio-panel,.panel{padding:13px}.button{min-height:42px}.footer{margin-top:22px}}@media(prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition:none!important;animation:none!important}}[data-motion=false] *,[data-motion=false] :after,[data-motion=false] :before{scroll-behavior:auto!important;transition:none!important;animation:none!important}.course-banner,.lesson-intro{margin-bottom:16px}.lesson-summary{margin-top:18px}.block-title{margin:23px 0 12px}.pagination{margin-top:16px}.quiz-panel,.account-panel{max-width:620px}.selected-card{outline-offset:-2px;outline:2px solid #78ac89}.mode-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.run-bar{justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px;display:flex}.variation-tabs{margin:0}.opening-tree{padding-left:13px;font-size:13px;font-weight:750;list-style:none}.opening-tree li{border-left:1px solid var(--stroke);padding:3px 0 3px 10px}.opening-tree details summary{cursor:pointer}.player-row{color:var(--muted);background:var(--surface);border:1px solid var(--stroke);border-radius:8px;justify-content:space-between;align-items:center;padding:8px 10px;font-size:13px;font-weight:750;display:flex}.player-row b{font-variant-numeric:tabular-nums;background:var(--subtle);border-radius:6px;padding:3px 9px}.captured{flex-wrap:wrap;gap:3px;display:flex}.captured span{width:22px;height:22px}.upload{cursor:pointer;position:relative;overflow:hidden}.upload input{opacity:0;cursor:pointer;width:100%;inset:0;position:absolute!important}.upload:focus-within{outline-offset:3px;outline:3px solid #d39a3c}.eval-bar{border:1px solid var(--stroke);background:#263b2f;border-radius:7px;height:24px;position:relative;overflow:hidden}.eval-bar i{background:#dbe6d3;height:100%;transition:width .2s;display:block}.eval-bar b{color:#e7f0df;left:calc(50% - 28px);background:#203b2e;border-radius:4px;place-items:center;width:56px;font-size:11px;display:grid;position:absolute;inset-block:0}.evaluation-graph{width:100%;color:var(--muted)}.move-label{color:var(--green);font-size:10px;display:block}.resource{border-bottom:1px solid var(--stroke);padding:0 0 9px;font-size:13px}.resource summary{cursor:pointer;font-weight:750}.resource p,.resource details{margin-top:6px}.training-chart{grid-template-columns:repeat(14,1fr);align-items:end;gap:6px;height:115px;display:grid}.training-chart div{background:var(--subtle);border-radius:6px;align-items:end;height:100%;display:flex;overflow:hidden}.training-chart i{border-radius:inherit;background:#6a9d76;width:100%;display:block}.badge-card.earned{border-color:#cba86a}.badge-card.earned .tile-icon{animation:.35s ease-out badge-enter}@keyframes badge-enter{0%{transform:scale(.88)}to{transform:scale(1)}}.square.last[style]{z-index:2}.square.last[style] .piece{animation:.24s cubic-bezier(.2,.65,.35,1) piece-arrival}@keyframes piece-arrival{0%{transform:translate(var(--travel-x),var(--travel-y))}to{transform:translate(0)}}@media(max-width:1000px){.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:490px){.mode-grid{gap:8px}.mode-grid .list-card{padding:10px}.mode-grid h2{font-size:15px}.run-bar{flex-wrap:wrap}}.quiz-board{width:min(100%,360px)}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}