.cls-stage{aspect-ratio:4/3;border-radius:var(--radius-card);box-shadow:var(--shadow-soft);background:linear-gradient(#2b7fb8 0%,#4fa8e8 46%,#8fd3e8 62% 100%);position:relative;overflow:hidden;container-type:inline-size}@media (min-width:640px){.cls-stage{aspect-ratio:16/10}}.cls-wall-pattern{opacity:.16;background-image:repeating-linear-gradient(45deg,#fff 0 1.5px,#0000 1.5px 9cqw),repeating-linear-gradient(-45deg,#fff 0 1.5px,#0000 1.5px 9cqw);position:absolute;inset:0 0 38%}.cls-floor{background:linear-gradient(#e9c9a0 0%,#d9ad78 100%);border-top:1.2cqw solid #b98a52;position:absolute;inset:62% 0 0;box-shadow:inset 0 1cqw 1.5cqw -.8cqw #0b2a4a33}.cls-board{background:linear-gradient(160deg,#e8c063 0%,#c8912f 55%,#a87a22 100%);border-radius:2.2cqw;width:74cqw;height:44cqw;padding:2cqw;position:absolute;top:5cqw;left:50%;transform:translate(-50%);box-shadow:0 2cqw 3cqw -1cqw #0b2a4a55}@media (min-width:640px){.cls-board{width:56cqw;height:32cqw;top:4cqw;left:56%}}.cls-board-face{background:#133b35;border-radius:1.2cqw;flex-direction:column;justify-content:center;align-items:center;gap:1cqw;width:100%;height:100%;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 0 4cqw #0006}.cls-board-face:before{content:"";pointer-events:none;background:radial-gradient(60% 50% at 30% 30%,#ffffff14,#0000 70%);position:absolute;inset:0}.cls-board-text{color:#fff;text-align:center;text-shadow:0 0 1.2cqw #ffffff4d;width:100%;font-weight:700;line-height:1.15;position:absolute;inset:0}.cls-board-text>span{width:calc(100% - 6cqw);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.cls-board-text[data-size=glyph]{font-size:24cqw;line-height:1}.cls-board-text[data-size=phrase]{font-size:7.2cqw;line-height:1.7}@media (min-width:640px){.cls-board-text[data-size=glyph]{font-size:19cqw}.cls-board-text[data-size=phrase]{font-size:5.4cqw}}@media (prefers-reduced-motion:no-preference){.cls-board-text{animation:.42s ease-out both cls-chalk}}@keyframes cls-chalk{0%{opacity:0;transform:translateY(.8cqw)scale(.96)}to{opacity:1;transform:none}}.cls-teacher{filter:drop-shadow(0 1.5cqw 1.5cqw #0b2a4a33);width:34cqw;height:auto;position:absolute;bottom:1cqw;left:1cqw}@media (min-width:640px){.cls-teacher{width:27cqw;bottom:2cqw;left:2cqw}}@media (prefers-reduced-motion:no-preference){.cls-teacher[data-talking=true]{animation:.9s ease-in-out 2 cls-nod}}@keyframes cls-nod{0%,to{transform:none}50%{transform:translateY(-1cqw)rotate(-1.2deg)}}.cls-desks{align-items:flex-end;gap:3cqw;display:flex;position:absolute;bottom:1.5cqw;right:2cqw}.cls-desk{background:linear-gradient(#f3e2c7 0%,#cfa877 60%,#a9834f 100%);border-radius:1cqw 1cqw .4cqw .4cqw;width:14cqw;height:9cqw;position:relative;box-shadow:0 .8cqw 1.2cqw -.4cqw #0b2a4a44,inset 0 .4cqw #fff8}.cls-desk:before{content:"";background:linear-gradient(#3f8fc4 0%,#2b6f9e 100%);border-radius:.8cqw;height:4cqw;position:absolute;bottom:-.2cqw;left:18%;right:18%;box-shadow:inset 0 .3cqw #fff5}.cls-turn-ring{--cls-turn:0;background:conic-gradient(var(--color-sun) calc(var(--cls-turn) * 360deg), #fff 0);width:4.5rem;height:4.5rem;box-shadow:inset 0 0 0 .45rem #fff, var(--shadow-soft);border-radius:9999px;place-items:center;transition:background .2s linear;display:grid}.cls-units{scroll-snap-type:x proximity;gap:.75rem;padding:.25rem .25rem .75rem;display:flex;overflow-x:auto}@media (min-width:768px){.cls-units{flex-wrap:wrap;justify-content:center;overflow:visible}}.cls-unit{scroll-snap-align:start;min-height:4rem;box-shadow:var(--shadow-soft);border-radius:999px;flex:none;align-items:center;gap:.6rem;padding:.5rem 1.1rem;font-weight:700;transition:transform .2s ease-out,box-shadow .2s ease-out;display:inline-flex}@media (hover:hover){.cls-unit:hover{box-shadow:var(--shadow-float)}}@media (prefers-reduced-motion:no-preference){@media (hover:hover){.cls-unit:hover{transform:translateY(-2px)}}.cls-unit:active{transition-duration:75ms;transform:scale(.98)}}.cls-unit:focus-visible{outline:4px solid var(--color-brand-blue);outline-offset:3px}.cls-unit-preview{text-align:right;width:5em;font-size:1.5rem;line-height:1.5;font-family:var(--font-arabic,serif);flex:none}[data-language=english] :is(.cls-board-text,.cls-unit-preview,.cls-plaque-glyph){font-family:var(--font-display)}[data-language=thai] :is(.cls-board-text,.cls-unit-preview,.cls-plaque-glyph){font-family:var(--font-body)}[data-language=english] .cls-board-text[data-size=glyph]{font-size:20cqw;line-height:1.6}[data-language=thai] .cls-board-text[data-size=glyph]{font-size:24cqw;line-height:1.6}[data-language=english] .cls-board-text[data-size=phrase],[data-language=thai] .cls-board-text[data-size=phrase]{text-wrap:balance;font-size:5.6cqw;line-height:1.8}[data-language=thai] .cls-plaque-glyph{line-height:1.8}[data-language=english] .cls-unit-preview,[data-language=thai] .cls-unit-preview{text-align:center}@media (min-width:640px){[data-language=english] .cls-board-text[data-size=glyph]{font-size:15cqw}[data-language=thai] .cls-board-text[data-size=glyph]{font-size:17cqw}[data-language=english] .cls-board-text[data-size=phrase],[data-language=thai] .cls-board-text[data-size=phrase]{font-size:4.2cqw}}.cls-unit-title{text-align:left;line-height:1.15}.cls-path{--cls-gold:linear-gradient(140deg, #fff1b8 0%, #e9be4f 28%, #b07d1c 55%, #f3d27a 78%, #a8761a 100%);background:repeating-linear-gradient(45deg, #ffffff0d 0 1.5px, transparent 1.5px 34px) padding-box, repeating-linear-gradient(-45deg, #ffffff0d 0 1.5px, transparent 1.5px 34px) padding-box, radial-gradient(120% 80% at 50% 0%, #17689a 0%, #0f416e 55%, #0b2f55 100%) padding-box, var(--cls-gold) border-box;color:#fff;border:5px solid #0000;border-radius:32px;padding:22px 14px 26px;position:relative;box-shadow:0 18px 40px -18px #0b2a4a99,inset 0 2px #ffffff26}@media (min-width:640px){.cls-path{padding:28px 28px 32px}}.cls-path-head{text-align:center}.cls-path-head h2{color:#fff;text-shadow:0 3px #0b2a4a}.cls-path-count{color:#ffe9a8;margin-top:4px;font-weight:700}.cls-path-meter{background:#0b2a4a;border-radius:999px;width:min(420px,90%);height:14px;margin:10px auto 0;overflow:hidden;box-shadow:inset 0 2px 4px #0008,0 0 0 2px #e9be4f}.cls-path-meter span{border-radius:inherit;background:linear-gradient(90deg,#f6b51e,#ffe08a);height:100%;transition:width .4s ease-out;display:block}.cls-path-rows{gap:18px;margin-top:18px;display:grid}@media (min-width:900px){.cls-path[data-course] .cls-path-rows{grid-template-columns:1fr 1fr;column-gap:28px}}.cls-path-row{background:#ffffff10;border-radius:24px;padding:22px 10px 12px;position:relative;box-shadow:inset 0 0 0 2px #ffffff1f}.cls-path:not([data-course]) .cls-path-row{padding-top:12px}.cls-path-ribbon{white-space:nowrap;color:#3a2600;background:linear-gradient(#ffe7a0,#e9be4f);border-radius:999px;padding:3px 18px;font-size:14px;font-weight:800;position:absolute;top:-13px;left:50%;translate:-50%;box-shadow:0 3px #9a6a12,0 6px 10px -4px #0008}.cls-path-plaques{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}@media (min-width:640px){.cls-path-plaques{gap:14px}}.cls-plaque{cursor:pointer;color:#fff;background:0 0;border:0;flex-direction:column;align-items:center;width:100%;min-height:64px;padding:0;transition:transform .2s ease-out,filter .2s ease-out;display:flex;position:relative}.cls-plaque-art{aspect-ratio:1;filter:drop-shadow(0 7px 6px #0009);background:url(/games/classroom/plaque.webp) 50%/100% 100% no-repeat;place-items:center;width:100%;padding:18% 18% 21%;transition:filter .2s ease-out;display:grid}.cls-plaque-glyph{font-family:var(--font-arabic,serif);color:#fff;text-shadow:0 2px #0b2a4a,0 0 12px #ffe08a66;font-size:clamp(28px,8vw,52px);line-height:1.1}@media (min-width:900px){.cls-plaque-glyph{font-size:48px}}.cls-plaque-glyph[data-size=phrase]{text-align:center;font-size:clamp(16px,3.6vw,26px);line-height:1.4}.cls-plaque-name{max-width:100%;color:var(--color-ink);text-overflow:ellipsis;white-space:nowrap;background:#fff8e1;border-radius:999px;margin-top:-13%;padding:1px 8px;font-size:clamp(11px,3vw,15px);font-weight:800;line-height:1.35;position:relative;overflow:hidden;box-shadow:0 2px #c89a3a}.cls-plaque-star{filter:drop-shadow(0 2px 2px #0007);width:28px;height:28px;position:absolute;top:-6px;right:-4px}.cls-plaque-star svg{width:100%;height:100%}.cls-plaque[data-state=current] .cls-plaque-art{filter:drop-shadow(0 0 3px #fff)drop-shadow(0 0 12px #ffd56a)drop-shadow(0 0 22px #ffb81c)}.cls-plaque[data-state=current] .cls-plaque-name{background:#f6b51e;box-shadow:0 2px #9a6a12}.cls-plaque[data-state=learned] .cls-plaque-glyph{color:#ffe08a}.cls-plaque:focus-visible{outline-offset:4px;outline:4px solid #fff}@media (hover:hover){.cls-plaque:hover .cls-plaque-art{filter:drop-shadow(0 12px 10px #000b)}}@media (prefers-reduced-motion:no-preference){@media (hover:hover){.cls-plaque:hover{transform:translateY(-3px)}}.cls-plaque:active{transition-duration:75ms;transform:scale(.98)}.cls-plaque[data-state=current]{transform:translateY(-3px)}}.cls-path-goal{color:#fff;text-align:start;border:3px dashed #e9be4f99;border-radius:24px;justify-content:center;align-items:center;gap:14px;padding:16px;display:flex}.cls-path-goal strong{color:#ffe08a;font-size:22px;font-weight:900;display:block}.cls-path-goal small{font-size:15px;font-weight:600;display:block}.cls-path-goal-star{filter:drop-shadow(0 4px 4px #0008);flex:none;width:64px;height:64px}.cls-path-goal-star svg{width:100%;height:100%}.cls-path-goal[data-reached]{background:radial-gradient(circle at 30%,#f6b51e40,#0000 70%);border-style:solid;border-color:#f6b51e}@media (max-width:379px){.cls-path{border-width:4px 0;border-radius:0;margin-inline:-16px;padding:18px 6px 22px}.cls-path-row{border-radius:16px;padding:20px 3px 10px}.cls-path-plaques{gap:5px}}