:root{color-scheme:dark;--navy:#07172e;--white:#f7f9ff;--muted:#b6c5d8;--pink:#f33e94;--cyan:#0cd7ec;--lime:#a8dc4b;--yellow:#ffc53d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--navy);color:var(--white);font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.7}a{color:inherit}a:focus-visible{outline:2px solid var(--yellow);outline-offset:6px}.container{width:min(100% - 48px,1040px);margin:auto}header{text-align:center;padding:22px 24px 0}.brand{width:180px;height:160px;object-fit:cover;mix-blend-mode:lighten;border-radius:12px;display:block;margin:auto}.mainnav{display:flex;gap:12px 24px;flex-wrap:wrap;justify-content:center;margin:12px auto 0;max-width:1040px}.mainnav a{text-decoration:none;font-size:.9rem;font-weight:700;padding:7px 0;color:var(--muted)}.mainnav a:hover,.mainnav a[aria-current]{color:var(--cyan)}.inner-hero{text-align:center;padding:54px 0 36px}.overline{color:#55d5e7;font-size:.75rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase}h1{font-size:clamp(2.4rem,6vw,4.1rem);line-height:1.13;letter-spacing:-.045em;margin:14px 0 18px}h2{font-size:clamp(1.65rem,3.4vw,2.5rem);line-height:1.2;letter-spacing:-.025em;margin:12px 0 22px}h3{font-size:1.1rem;line-height:1.35;margin:3px 0 9px}p{color:var(--muted);margin:0 0 18px}.inner-hero p{font-size:1.15rem}.bs-why{padding:20px 0 52px}.bs-why-inner{max-width:820px}.bs-why-note{border-left:3px solid var(--pink);padding:12px 0 12px 22px;margin:28px 0 0;color:var(--white)}.bs-method{padding:48px 0 56px;border-top:1px solid #29415d;border-bottom:1px solid #29415d}.bs-method-head{max-width:740px;text-align:center;margin:0 auto 32px}.bs-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.bs-step{--accent:var(--pink);display:flex;gap:18px;padding:26px;border:1px solid #29415d;border-top:3px solid var(--accent);border-radius:18px;background:#0d213a}.bs-step:nth-child(2){--accent:var(--cyan)}.bs-step:nth-child(3){--accent:var(--lime)}.bs-step:nth-child(4){--accent:var(--yellow)}.bs-step:nth-child(5){--accent:#b99aff;grid-column:1/-1}.bs-num{flex:0 0 48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--navy);font-size:1rem;font-weight:800}.bs-step p{font-size:.95rem;margin:0}.bs-method-end{text-align:center;font-weight:700;color:var(--lime);margin:30px 0 0}.creator{padding:64px 0}.creator-inner{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:center}.creator-photo{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:22px;border:3px solid var(--pink)}.creator h2{margin-bottom:18px}.creator p:last-child{margin:0}.footer{border-top:1px solid #29415d;padding:24px 0 30px;font-size:.85rem;color:var(--muted)}.footer .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.footer a{color:var(--cyan);text-decoration:none;font-weight:700}@media(max-width:620px){header{padding-top:12px}.brand{width:145px;height:128px}.container{width:calc(100% - 32px)}.mainnav{gap:5px 16px}.mainnav a{font-size:.78rem}.inner-hero{padding:36px 0 22px}.bs-why{padding-bottom:32px}.bs-method{padding:32px 0}.bs-steps{grid-template-columns:1fr;gap:14px}.bs-step{padding:20px;gap:14px}.creator{padding:40px 0}.creator-inner{grid-template-columns:1fr;gap:26px}.creator-photo{max-width:240px;margin:auto}.overline{letter-spacing:.15em}.footer .container{justify-content:center;text-align:center}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.featured-intro{max-width:740px;margin:auto}.featured-main{padding:0 0 58px}.featured-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.game-card{--accent:var(--pink);display:flex;flex-direction:column;min-width:0;background:#0d213a;border:1px solid #29415d;border-top:3px solid var(--accent);border-radius:20px;overflow:hidden}.game-card:nth-child(2){--accent:var(--cyan)}.game-card:nth-child(3){--accent:var(--lime)}.game-card:nth-child(4){--accent:var(--yellow)}.game-visual{height:235px;background:#102841;display:grid;place-items:center;padding:18px;border-bottom:1px solid #29415d}.coming-soon .game-visual{color:var(--accent);font-size:4.5rem;font-weight:800}.coming-soon{border-style:dashed}.coming-soon .game-description{margin-bottom:0}.game-visual img{width:100%;height:100%;object-fit:contain;min-height:0}.game-visual .fallback{height:165px;width:185px;mix-blend-mode:lighten;object-fit:cover}.game-body{padding:25px;display:flex;flex-direction:column;flex:1}.game-tag{font-size:.7rem;letter-spacing:.13em;font-weight:800;text-transform:uppercase;color:var(--accent);margin-bottom:10px}.game-body h2{font-size:1.65rem;margin:0 0 14px}.game-description{font-size:1rem;margin-bottom:24px}.game-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:auto}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border:1px solid var(--cyan);border-radius:999px;text-decoration:none;font-weight:700;font-size:.9rem}.button.play{color:var(--navy);background:var(--cyan)}.button.buy{color:var(--yellow);border-color:var(--yellow)}.button:hover{filter:brightness(1.12)}.purchase-note{color:var(--muted);font-size:.82rem;margin:12px 0 0}.keep-note{text-align:center;padding:28px 20px;margin:34px 0 0;border:1px solid #29415d;border-radius:18px}.keep-note h2{font-size:1.3rem;margin:0 0 10px}.keep-note p{margin:0}.keep-note .all-games-note{margin-top:14px}.all-games-note a{color:var(--cyan);font-weight:700}.page-status{color:var(--muted);text-align:center;margin:0 0 24px}.page-status:empty{display:none}@media(max-width:620px){.featured-grid{grid-template-columns:1fr;gap:22px}.game-visual{height:210px}.game-body{padding:22px}.game-actions .button{flex:1}.featured-main{padding-bottom:36px}}
.browse-controls{display:flex;align-items:end;gap:16px;margin:0 0 18px;flex-wrap:wrap}.search-label{flex:1;min-width:min(100%,260px)}.browse-controls label{font-weight:700;font-size:.88rem;color:var(--white)}.browse-controls input,.browse-controls select{display:block;width:100%;background:#0d213a;border:1px solid #405572;border-radius:12px;color:var(--white);font:inherit;min-height:48px;padding:10px 14px;margin-top:7px}.browse-controls input:focus-visible,.browse-controls select:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.browse-controls input::placeholder{color:#9fb1c8}.catalog-note{max-width:760px;margin:0 auto 28px;text-align:center}.catalog-note a{color:var(--cyan);font-weight:700}.page-status{text-align:left}.game-card:nth-child(4n+1){--accent:var(--pink)}.game-card:nth-child(4n+2){--accent:var(--cyan)}.game-card:nth-child(4n+3){--accent:var(--lime)}.game-card:nth-child(4n+4){--accent:var(--yellow)}@media(max-width:620px){.browse-controls label{width:100%}}
.page-icon{display:block;width:110px;height:110px;object-fit:contain;margin:0 auto 22px}
.page-main{padding-bottom:60px}.intro-note{max-width:760px;text-align:center;margin:0 auto 28px}.intro-note a{color:var(--cyan);font-weight:700}
.empty-note{border:1px dashed #405572;border-radius:18px;padding:26px;grid-column:1/-1}
.idea-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin:26px 0}.idea-card{background:#0d213a;border:1px solid #29415d;border-top:3px solid var(--lime);border-radius:20px;padding:25px;min-width:0}.idea-card:nth-child(2n){border-top-color:var(--yellow)}.idea-card img{width:100%;aspect-ratio:16/9;object-fit:contain;border-radius:12px;background:#102841}.idea-card h2{font-size:1.65rem}.idea-card p{white-space:pre-line}.idea-card li{color:var(--muted);padding-left:5px;margin:8px 0}.idea-card ol{padding-left:24px}.idea-card h3{color:var(--lime);margin:20px 0 8px}.idea-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.idea-links a,.idea-links button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--cyan);background:transparent;color:var(--cyan);border-radius:999px;padding:10px 18px;min-height:46px;text-decoration:none;font:700 .9rem Inter,Arial,sans-serif;cursor:pointer}.idea-links .alt{color:var(--yellow);border-color:var(--yellow)}
button:focus-visible,input:focus-visible{outline:2px solid var(--yellow);outline-offset:4px}
@media(max-width:620px){.idea-grid{grid-template-columns:1fr}.idea-card{padding:22px}.page-icon{width:90px;height:90px}.page-main{padding-bottom:36px}}
@media print{body{background:white!important;color:#07172e!important}header,.inner-hero,.intro-note,footer,.idea-links,.browse-controls{display:none!important}.idea-grid{display:block}.idea-card{background:white;border:0;break-inside:avoid}.idea-card img{display:none}.idea-card p,.idea-card li{color:#07172e}}
.assignment-routine{border:1px solid #29415d;border-top:3px solid var(--cyan);border-radius:20px;background:#0d213a;padding:26px;margin:30px 0}.assignment-routine h2{font-size:1.6rem}.assignment-routine ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 34px;padding-left:24px}.assignment-routine li{padding-left:5px;color:var(--cyan)}.assignment-routine strong,.assignment-routine span,.print-routine strong,.print-routine span{display:block}.assignment-routine strong{color:var(--white)}.assignment-routine span{color:var(--muted);font-size:.95rem}.idea-card .game-tag{color:var(--cyan)}.idea-links a{max-width:100%;text-align:center}.instructions-page{color-scheme:light;background:white;color:#111;font:16px/1.5 Arial,sans-serif}.instructions-page p,.instructions-page li{color:#111}.print-controls,#print-instructions{max-width:780px;margin:24px auto;padding:0 24px}.print-controls{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.print-controls a{color:#07172e}.print-controls button{font:inherit;background:#07172e;color:white;border:0;border-radius:8px;padding:10px 16px;cursor:pointer}.instructions-page .idea-card{background:white;border:0;padding:0}.instructions-page h1{font-size:2rem}.instructions-page .idea-card h3{color:#07172e;font-size:1.05rem;margin:16px 0 5px}.instructions-page .game-tag{color:#333;margin-bottom:0}.instructions-page .idea-links a{color:#07172e;border-color:#07172e}.print-credit{font-size:.85rem;border-top:1px solid #aaa;padding-top:12px;margin-top:22px}.instructions-page .idea-card li{margin:5px 0}.print-routine span{font-size:.9rem}
@media(max-width:620px){.assignment-routine{padding:20px}.assignment-routine ol{grid-template-columns:1fr}.print-controls,#print-instructions{padding:0 16px}.idea-links a{width:100%}}
@media print{.assignment-routine{display:none}.instructions-page .print-controls{display:none!important}.instructions-page #print-instructions{margin:0;padding:0;max-width:none}.instructions-page .idea-card{break-inside:auto;padding:0}.instructions-page .idea-links{display:flex!important;margin-top:15px}.instructions-page .idea-links a{border:0;border-radius:0;padding:0;min-height:0;text-decoration:underline;color:black}.instructions-page h1{font-size:22pt}.instructions-page h3{break-after:avoid}.instructions-page .game-tag{color:black}.instructions-page p,.instructions-page li{font-size:10.5pt;line-height:1.35}.instructions-page .print-routine span{font-size:10pt}@page{size:auto;margin:16mm}}

.game-details{margin-top:18px}.game-details summary,.assignment-routine summary{cursor:pointer;color:var(--cyan);font-weight:700;padding:8px 0}.assignment-routine summary{font-size:1.4rem}.assignment-routine[open] summary{margin-bottom:14px}.game-details summary:focus-visible,.assignment-routine summary:focus-visible{outline:2px solid var(--yellow);outline-offset:4px}.game-details[open] summary{margin-bottom:12px}

.supply-tags{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 15px}.supply-tag{font:700 .76rem/1.4 Inter,Arial,sans-serif;border:1px solid #405572;border-radius:999px;padding:5px 10px;background:#102841;color:var(--cyan);cursor:pointer}.supply-tag:hover{border-color:var(--cyan)}.supply-tag:focus-visible,.clear-filters:focus-visible{outline:2px solid var(--yellow);outline-offset:3px}.clear-filters{font:700 .88rem Inter,Arial,sans-serif;padding:12px 16px;min-height:48px;background:transparent;color:var(--cyan);border:1px solid #405572;border-radius:12px;cursor:pointer}.clear-filters[hidden]{display:none}.instructions-page .supply-tag{color:#333;background:white;border-color:#aaa;cursor:default}@media(max-width:620px){.clear-filters{width:100%}}@media print{.instructions-page .supply-tags{margin:8px 0}.instructions-page .supply-tag{color:black;font-size:9pt;border-color:#aaa}}

.classroom-scoreboard{border:1px solid #29415d;border-top:3px solid var(--pink);border-radius:20px;background:#0d213a;margin:30px 0;overflow:hidden}.classroom-scoreboard>summary{cursor:pointer;padding:24px 26px;color:var(--pink);font-weight:800;font-size:1.4rem}.classroom-scoreboard>summary:focus-visible{outline:2px solid var(--yellow);outline-offset:-6px}.scoreboard-inner{padding:0 26px 26px}.scoreboard-toolbar{display:flex;align-items:end;flex-wrap:wrap;gap:14px}.scoreboard-toolbar label{flex:1;min-width:180px;font-size:.9rem;font-weight:700}.scoreboard-toolbar select{display:block;width:100%;font:inherit;color:var(--white);background:#07172e;border:1px solid #405572;border-radius:10px;padding:12px;margin-top:6px;min-height:48px}.scoreboard-toolbar button,.scoreboard-confirm button{font:700 .9rem Inter,Arial,sans-serif;min-height:48px;padding:12px 16px;background:transparent;color:var(--cyan);border:1px solid #405572;border-radius:10px;cursor:pointer}.scoreboard-toolbar button:disabled,.scoreboard-toolbar select:disabled{opacity:.55;cursor:default}.scoreboard-toolbar select:focus-visible{outline:2px solid var(--yellow);outline-offset:3px}.scoreboard-note{margin:18px 0;color:var(--yellow);font-size:.95rem;min-height:1.5em}.scoreboard-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:22px;align-items:start}.scoreboard-scores{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.scoreboard-team{--team-color:var(--cyan);background:#07172e;border:1px solid #29415d;border-top:4px solid var(--team-color);border-radius:16px;padding:18px;text-align:center;min-width:0}.scoreboard-team h3{color:var(--team-color);font-size:1.2rem;margin:0 0 12px}.scoreboard-team input{display:block;width:100%;border:0;border-bottom:1px solid #29415d;border-radius:6px;background:transparent;color:var(--white);text-align:center;font:800 clamp(2.2rem,4vw,3.4rem)/1.2 Inter,Arial,sans-serif;min-height:70px;appearance:textfield;-moz-appearance:textfield}.scoreboard-team input::-webkit-inner-spin-button,.scoreboard-team input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.scoreboard-team input:focus-visible{outline:2px solid var(--yellow);outline-offset:2px}.scoreboard-score-actions{display:flex;gap:12px;margin-top:14px}.scoreboard-score-actions button{flex:1;min-width:0;min-height:54px;border:1px solid var(--team-color);border-radius:12px;background:transparent;color:var(--team-color);font:800 1.6rem Inter,Arial,sans-serif;cursor:pointer}.scoreboard-score-actions button:last-child{background:var(--team-color);color:var(--navy)}.scoreboard-rules{border:1px solid #405572;border-radius:16px;padding:22px;background:#102841}.scoreboard-rules h2{font-size:1.25rem;margin:0 0 12px;color:var(--yellow)}#scoreboard-game-title{color:var(--white);font-weight:800;margin-bottom:12px}.scoreboard-rules ol{padding-left:22px;margin:0}.scoreboard-rules li{color:var(--white);margin:12px 0;line-height:1.55}.scoreboard-work-note{border-top:1px solid #405572;padding-top:16px;margin:20px 0 0;font-size:.9rem;color:var(--cyan)}.scoreboard-help{font-size:.82rem;margin:20px 0 0}.scoreboard-confirm{margin-top:16px;padding:16px;border:1px solid var(--yellow);border-radius:12px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.scoreboard-confirm[hidden],.scoreboard-scores[hidden]{display:none}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded){width:100%;height:100%;overflow:auto;border:0;border-radius:0;padding:16px;background:var(--navy)}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded)>summary{font-size:1.6rem}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded) .scoreboard-inner{max-width:1600px;margin:auto}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded) .scoreboard-layout{grid-template-columns:minmax(0,3fr) minmax(280px,1fr)}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded) .scoreboard-scores{grid-template-columns:repeat(var(--score-columns,2),minmax(0,1fr))}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded) .scoreboard-team input{font-size:4rem}.scoreboard-team input[aria-invalid=true]{outline:2px solid var(--pink)}
@media(max-width:780px){.scoreboard-layout,.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded) .scoreboard-layout{grid-template-columns:1fr}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded) .scoreboard-scores{grid-template-columns:repeat(2,minmax(0,1fr))}.scoreboard-rules{padding:18px}}
@media(max-width:480px){.classroom-scoreboard>summary{padding:20px;font-size:1.2rem}.scoreboard-inner{padding:0 16px 20px}.scoreboard-toolbar label{min-width:100%}.scoreboard-toolbar button{flex:1}.scoreboard-team{padding:12px}.scoreboard-score-actions button{min-height:48px}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded){padding:0}.classroom-scoreboard:is(:fullscreen,.scoreboard-expanded) .scoreboard-team input{font-size:2.8rem}}
@media print{.classroom-scoreboard{display:none}}
.scoreboard-unsupported .scoreboard-layout{display:block}.scoreboard-unsupported .scoreboard-rules{max-width:760px}.scoreboard-help{white-space:normal}

.classroom-scoreboard.scoreboard-expanded{position:fixed;inset:0;z-index:10000;margin:0;box-sizing:border-box}.classroom-scoreboard.scoreboard-expanded>summary{list-style:none;pointer-events:none}.classroom-scoreboard.scoreboard-expanded>summary::-webkit-details-marker{display:none}

.scoreboard-unsupported .scoreboard-help{display:none}

/* Free tools use stable category colors, including after filtering. */
[data-catalog="tools"] .game-card[data-tool-type="Generator"]{--accent:var(--cyan)}
[data-catalog="tools"] .game-card[data-tool-type="Brain Break"]{--accent:var(--lime)}
[data-catalog="tools"] .game-card[data-tool-type="Classroom Tool"]{--accent:var(--yellow)}
[data-catalog="tools"] .game-card .button.play{background:var(--accent);border-color:var(--accent)}

[data-catalog="tools"] .game-card[data-tool-type="Printable Resource"]{--accent:var(--yellow)}

[data-catalog="tools"] .game-card[data-tool-type="Name Picker"]{--accent:var(--pink)}