.division-tool-theme{--bdb-ground:#fffaf0;--bdb-ground-2:#f2ebdc;--bdb-card:#fffdf7;--bdb-ink:#102436;--bdb-ink-soft:#625949;--bdb-ink-faint:#625949;--bdb-line:#d9cdb7;--bdb-teal:#108b9b;--bdb-teal-deep:#086f7e;--bdb-amber:#b97805;--bdb-coral:#f95335;--bdb-coral-deep:#bf3e28;--bdb-green:#2f9e43;--bdb-green-deep:#1f7431;--bdb-brown:#795233;background:var(--bdb-ground);color:var(--bdb-ink);font-family:var(--bdb-font)}.division-tool-page{min-height:100svh}.division-tool-page .tn-bar{background:var(--bdb-ground)}.division-tool-page:has(.tn-bar){--division-nav-height:65px}.division-tool-theme :is(.ld-btn,.dh-btn,.hmf-button,.fdv-button){border:3px solid var(--bdb-teal);background:var(--bdb-teal);color:#fff;cursor:pointer;border-radius:12px;min-height:54px;font-size:clamp(1.2rem,1.5vw,1.5rem);font-weight:850}.division-tool-theme :is(.ld-btn.ghost,.dh-btn:not(.go),.hmf-button.secondary,.fdv-button.secondary){color:var(--bdb-teal-deep);background:0 0}.division-tool-theme :is(.ld-btn,.dh-btn,.hmf-button,.fdv-button):hover:not(:disabled){background:var(--bdb-teal-deep);color:#fff;border-color:var(--bdb-teal-deep)}.division-tool-theme :is(button,input,a):focus-visible{outline:4px solid var(--bdb-teal-deep);outline-offset:4px}.division-tool-theme :is(.ld-btn,.dh-btn,.hmf-button,.fdv-button):disabled{opacity:.45;cursor:default}.division-tool-theme.dh-root{min-height:calc(100svh - var(--division-nav-height,0px) - 28px);grid-template-rows:auto 1fr auto;gap:16px}.division-tool-theme .dh-grid{grid-template-columns:minmax(0,1.2fr) minmax(280px,1fr);align-items:center;gap:clamp(24px,4vw,64px);display:grid}.division-tool-theme .dh-rail{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;display:grid}.division-tool-theme .dh-tile{background:color-mix(in srgb, var(--c) 14%, var(--bdb-card));border:0;border-radius:3px;justify-content:flex-start;align-items:center;gap:clamp(8px,1vw,18px);width:auto;height:auto;min-height:clamp(74px,10vh,118px);padding:10px clamp(8px,1.2vw,22px);display:flex}.division-tool-theme .dh-tile .L{aspect-ratio:1;background:var(--c);color:#fff;border-radius:50%;flex:none;place-items:center;width:clamp(40px,4.5vw,72px);font-size:clamp(1.4rem,2.7vw,2.8rem);font-weight:900;display:grid}.division-tool-theme .dh-tile .S{text-transform:none;letter-spacing:-.035em;width:auto;color:var(--bdb-ink);text-align:left;font-size:clamp(1rem,2vw,2rem);font-weight:850;line-height:1.1;position:static}.division-tool-theme .dh-tile.active{box-shadow:none;background:var(--c);transform:none}.division-tool-theme .dh-tile.active .L{color:var(--c);background:#fff}.division-tool-theme .dh-tile.active .S{color:#fff}.division-tool-theme .dh-tile.done{background:color-mix(in srgb, var(--c) 22%, var(--bdb-card))}.division-tool-theme .dh-tile.skipped .L{background:var(--bdb-ground-2);color:var(--bdb-ink-soft)}.division-tool-theme .dh-stage{align-self:start;padding:0}.division-tool-theme .dh-board-scroll{max-height:var(--dh-room);scrollbar-gutter:stable;box-sizing:content-box;max-width:calc(100% - 12px);padding:4px 6px;overflow:auto}.division-tool-theme .dh-slot{font-size:clamp(2.1rem, calc(var(--dh-row) * .8), 8rem);line-height:1}.division-tool-theme .dh-plaque-eq{background:0 0;border:0;padding:0;font-size:clamp(2rem,3vw,3.5rem)}.division-tool-theme .dh-tag i{font-size:.85rem}.division-tool-theme .dh-tag b{font-size:clamp(.85rem,1.1vw,1.15rem)}.division-tool-theme .dh-ask{grid-column:auto;gap:16px;min-width:0}.division-tool-theme .dh-q{letter-spacing:-.035em;font-size:clamp(1.6rem,3vw,3rem);line-height:1.15}.division-tool-theme .dh-round{font-size:clamp(1rem,1.3vw,1.3rem)}.division-tool-theme .dh-work span.live{font-size:clamp(1.5rem,2.5vw,2.4rem)}.division-tool-theme :is(.dh-say,.dh-hint){font-size:clamp(1rem,1.5vw,1.4rem)}.division-tool-theme .dh-ops{gap:12px}.division-tool-theme .dh-op{border:3px solid var(--bdb-teal);min-height:clamp(70px,10vh,108px);color:var(--bdb-teal-deep);border-radius:12px;font-size:clamp(1.1rem,1.8vw,1.6rem)}.division-tool-theme .dh-op b{color:var(--bdb-teal-deep);font-size:clamp(1.8rem,3vw,2.8rem)}.division-tool-theme .dh-op:hover{background:color-mix(in srgb, var(--bdb-teal) 10%, var(--bdb-card))}.division-tool-theme .dh-footer{grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:10px 0 0;display:grid}.division-tool-theme .dh-footer .dh-btn{border-width:4px;border-radius:18px;justify-self:start;min-width:clamp(170px,19vw,320px);min-height:clamp(60px,8vh,96px);padding:10px 24px;font-size:clamp(1.25rem,2.25vw,2.2rem)}.division-tool-theme .dh-footer .dh-btn.go{justify-self:end}.division-tool-theme .dh-count{text-align:center;margin:0;font-size:clamp(.85rem,1.1vw,1.2rem)}@media (max-width:760px){.division-tool-theme.dh-root{min-height:calc(100svh - var(--division-nav-height,0px) - 20px)}.division-tool-theme .dh-grid{grid-template-columns:1fr;gap:24px}.division-tool-theme .dh-board-scroll{scrollbar-gutter:auto;max-height:none;overflow-y:visible}.division-tool-theme .dh-tile{justify-items:center;gap:4px;min-height:74px;padding:6px 2px;display:grid}.division-tool-theme .dh-tile .L{width:32px;font-size:1.2rem}.division-tool-theme .dh-tile .S{text-align:center;font-size:clamp(.7rem,2vw,1rem)}.division-tool-theme .dh-tile.active{background:color-mix(in srgb, var(--c) 25%, var(--bdb-card));outline:2px solid var(--c)}.division-tool-theme .dh-tile.active .S{color:var(--bdb-ink)}.division-tool-theme .dh-tile.active .L{background:var(--c);color:#fff}.division-tool-theme .dh-footer{grid-template-columns:1fr 1fr;gap:10px}.division-tool-theme .dh-count{grid-area:1/1/auto/-1}.division-tool-theme .dh-footer .dh-btn{border-width:3px;border-radius:12px;width:100%;min-width:0;min-height:58px;padding:8px;font-size:1.1rem}}.division-tool-theme.hmf-root{max-width:1440px;padding-bottom:28px}.division-tool-theme .hmf-intro{max-width:none}.division-tool-theme .hmf-intro h1{font-size:clamp(2rem,4vw,3.8rem)}.division-tool-theme .hmf-intro p{font-size:clamp(1rem,1.4vw,1.25rem)}.division-tool-theme .hmf-workspace{box-shadow:none;background:0 0;border:0;border-radius:0}.division-tool-theme .hmf-board-and-controls{grid-template-columns:minmax(0,1fr) minmax(240px,330px);align-items:center;gap:28px;display:grid}.division-tool-theme :is(.hmf-model,.hmf-controls){min-width:0}.division-tool-theme .hmf-controls .hmf-actions{margin-top:0}.division-tool-theme .hmf-controls .hmf-placement-count{width:100%}.division-tool-theme .hmf-board-and-controls:has(.hmf-sentence-challenge){grid-template-columns:1fr}.division-tool-theme .hmf-question h2{font-size:clamp(1.3rem,2.4vw,2rem)}.division-tool-theme .hmf-question .hmf-expression{font-size:clamp(2rem,4vw,3.8rem)}.division-tool-theme .hmf-prompt{font-size:clamp(1rem,1.6vw,1.35rem)}.division-tool-theme .hmf-stage{gap:28px;width:min(1100px,100%)}.division-tool-theme .hmf-track{height:clamp(64px,7vw,96px)}.division-tool-theme .hmf-row-label{font-size:clamp(.85rem,1.2vw,1.15rem)}.division-tool-theme .hmf-source{min-width:96px;min-height:64px;font-size:1.4rem}.division-tool-theme .hmf-custom{box-shadow:none;border-radius:10px}.division-tool-theme .hmf-custom-frac input{background:var(--bdb-card);border-color:var(--bdb-line);border-radius:10px;min-height:44px}@media (max-width:980px){.division-tool-theme .hmf-board-and-controls{grid-template-columns:1fr;gap:22px}}@media (max-height:800px) and (min-width:981px){.division-tool-theme .hmf-intro{margin-bottom:8px}.division-tool-theme .hmf-intro h1{font-size:2.6rem}.division-tool-theme .hmf-question .hmf-expression{font-size:2.5rem}.division-tool-theme .hmf-question h2{font-size:1.6rem}.division-tool-theme .hmf-prompt{font-size:1rem}.division-tool-theme .hmf-workspace{padding-top:12px}.division-tool-theme .hmf-track{height:64px}.division-tool-theme .hmf-stage{gap:20px}}@media (max-width:600px){.division-tool-theme .hmf-track{height:58px}.division-tool-theme .hmf-question .hmf-expression{font-size:2rem}.division-tool-theme .hmf-stage{gap:24px}}