/*
Theme Name: bala SuperApp
Description: Server-rendered migration of the original Bala Flutter design.
Version: 0.1.0
Requires PHP: 8.2
*/
@font-face{font-family:Onest;src:url(../../plugins/bala-core/assets/fonts/Onest.ttf) format('truetype');font-weight:100 900;font-display:swap}@font-face{font-family:Geologica;src:url(../../plugins/bala-core/assets/fonts/Geologica.ttf) format('truetype');font-weight:100 900;font-display:swap}@font-face{font-family:BalaIcons;src:url(../../plugins/bala-core/assets/fonts/MaterialIcons-Regular.otf?v=original-v20) format('opentype');font-display:block}
:root{--ink:#242731;--muted:#6e7788;--blue:#3f60bd;--page:#fafbfd;--line:#edf0f5;--pale:#eef2fc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page);color:var(--ink);font:400 16px/1.45 Onest,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--blue);outline-offset:3px}h1,h2,h3{font-family:Geologica,sans-serif;font-weight:500;line-height:1.3;margin:0 0 14px}h1{font-size:24px}h2{font-size:22px}h3{font-size:18px}p{margin:0 0 16px}small,.muted{color:var(--muted);font-size:14px}.icon{font:28px/1 BalaIcons;display:inline-block;vertical-align:middle;flex:none}.header{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:var(--page);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:baseline;gap:8px}.brand b{font:600 28px Onest;letter-spacing:-.7px}.brand span{font-size:15px;color:var(--muted)}.nav{position:fixed;top:72px;left:0;width:172px;padding:0 12px;z-index:4}.nav a{display:flex;align-items:center;gap:12px;min-height:44px;margin:0 0 4px;color:var(--muted)}.nav .icon{width:44px;text-align:center;border-radius:30px;padding:4px 0;color:var(--ink)}.nav a.active{color:var(--ink);font-weight:500}.nav a.active .icon{background:#d2ecef}main{margin:0 auto;padding:2px 18px 24px;max-width:1280px;min-width:0}.layout{margin-left:172px}.surface,.row-list{background:white;border-radius:22px;box-shadow:0 6px 18px #0f203a08}.surface{padding:18px}.section{margin:10px 0 0}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 0 8px}.section-head h2{margin:0}.link-button{border:0;background:none;color:var(--blue);padding:10px;font-size:14px;min-height:44px}.search{display:flex;align-items:center;gap:12px;background:#f0f2f6;border-radius:16px;padding:0 16px;min-height:54px;margin-bottom:8px}.search .icon{color:var(--muted)}.search input{width:100%;background:transparent;border:0;min-width:0;padding:15px 0;outline:none}.search button{background:none;border:0;padding:8px}.promo-rail{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}.promo{flex:0 0 322px;aspect-ratio:1.82;position:relative;border-radius:20px;overflow:hidden;scroll-snap-align:start;background:#083f52}.promo img{width:100%;height:100%;object-fit:cover;position:absolute}.promo:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#052f43e6,#052f4300 85%);pointer-events:none}.promo-copy{position:relative;z-index:1;padding:14px;color:white;width:72%;height:100%;display:flex;flex-direction:column;justify-content:center}.promo h2{font:600 20px/1.15 Onest;margin-bottom:8px}.promo p{font-size:15px;line-height:1.2;max-width:185px;margin:0 0 10px}.pill{background:white;color:#414b61;border-radius:12px;align-self:start;padding:7px 12px;font-size:14px}.rail-controls{display:flex;justify-content:flex-end;align-items:center;gap:10px;font-size:13px;color:var(--muted);height:30px}.rail-controls button{border:0;background:none;min-width:34px;min-height:30px;color:var(--muted)}.chat-cta{display:flex;align-items:center;gap:8px;padding:12px;margin:10px 0 6px}.chat-cta h3{margin:0 0 4px;font-size:18px}.chat-cta p{margin:0;font-size:14px;color:var(--muted)}.chat-cta>.icon:first-child{width:40px;height:40px;display:grid;place-items:center;color:var(--blue);border-radius:50%;box-shadow:3px 4px 10px #0d1c3610;background:linear-gradient(135deg,#fff,#f0f2f7);font-size:25px}.chevron{margin-left:auto;color:var(--blue)}.rubrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.rubric{display:flex;align-items:center;gap:8px;padding:10px;min-height:48px;font-size:15px;line-height:1.3}.rubric .icon{color:var(--blue)}.topics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.topic-card{min-width:0;overflow:hidden;padding:10px}.topic-card img{width:100%;aspect-ratio:2;object-fit:contain;border-radius:12px;display:block;margin-bottom:10px}.topic-card h3{font:400 16px/1.3 Onest;margin:0 0 4px}.topic-card p{margin:0;font-size:14px;color:var(--muted)}.achievement{display:flex;align-items:center;gap:8px;margin-top:8px;padding:16px}.achievement .icon{color:var(--blue)}.achievement strong{margin-left:auto;font-weight:500;font-size:20px;color:var(--blue)}.menu h1{font-size:22px;margin:14px 0 18px}.menu-row{display:flex;align-items:center;gap:14px;padding:12px 18px;margin-bottom:14px;min-height:74px}.menu-row>.icon{color:var(--blue);font-size:28px}.menu-row h3{font:400 16px Onest;margin:0 0 6px}.menu-row p{font-size:14px;color:var(--muted);margin:0}.language{margin-bottom:18px}.language-label{display:flex;gap:14px;align-items:center;margin-bottom:14px}.language-label .icon{color:var(--blue)}.segmented{display:flex;border:1px solid #8a8d96;border-radius:20px;overflow:hidden}.segmented a{width:50%;text-align:center;min-height:30px;padding:3px}.segmented .active{background:#e3e2fa}.narrow{max-width:840px;margin:auto}.back{display:inline-flex;gap:8px;align-items:center;color:var(--blue);padding:12px 0;margin-bottom:6px}.cover{width:100%;aspect-ratio:2;object-fit:contain;border-radius:20px;margin:8px 0 20px}.reading{font-size:16px;line-height:1.55}.reading .surface{margin:12px 0}.reading h2{font-size:18px;margin-top:16px}.reading ul{padding-left:22px}.lesson-row{display:flex;gap:12px;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);min-height:64px}.lesson-row:last-child{border:0}.lesson-row small{display:block;margin-top:4px}.lesson-row .icon{color:var(--blue)}.lesson-row img{width:96px;aspect-ratio:2;object-fit:contain;border-radius:12px}.row-list{overflow:hidden;margin:10px 0 18px}.filters{display:flex;gap:8px;overflow:auto;margin:12px 0}.chip{border:1px solid #d4d9e5;border-radius:24px;padding:8px 14px;background:white;white-space:nowrap}.chip.active{background:#d2ecef;border-color:#d2ecef}.primary{background:var(--blue);color:white;border:0;border-radius:15px;padding:16px 20px;min-height:56px;display:inline-flex;align-items:center;justify-content:center;gap:8px}.secondary{background:var(--pale);color:var(--blue);border:0;border-radius:15px;padding:12px 16px;min-height:48px}.primary:disabled{opacity:.6;cursor:wait}label{display:block;margin:10px 0}input[type=email],input[type=text],input[type=password],input[type=number],select,textarea{border:1px solid #dce0e9;background:#f0f2f6;border-radius:14px;padding:14px;width:100%;max-width:100%}input[type=checkbox],input[type=radio]{accent-color:var(--blue);width:20px;height:20px;flex:none}fieldset{border:0;padding:0;margin:16px 0}legend{font-family:Geologica;font-size:18px;margin:12px 0}.option{display:flex;align-items:flex-start;gap:10px;padding:14px;background:white;border-radius:14px;border:1px solid #dce0e9;cursor:pointer}.feedback{padding:14px;border-radius:16px;background:var(--pale);margin:12px 0}.error{color:#9b202d;background:#fff0f0}.success{color:#245e42;background:#eff8f1}[hidden]{display:none!important}.notice{padding:14px;background:var(--pale);border-radius:16px;font-size:14px;margin:12px 0}.characters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.character{overflow:hidden;padding:0}.character img{width:100%;aspect-ratio:2;object-fit:contain;display:block}.character div{padding:16px}.character h2{font-size:18px}.character p{font-size:14px;color:var(--muted);margin:0}.step-count{font-size:14px;color:var(--muted)}.quiz-actions{position:sticky;bottom:12px;background:#fafbfdf0;padding:10px 0;display:flex;gap:10px;z-index:2}.word-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.word-card{text-align:center}.word-card .picture{font-size:40px}.word-card h3{margin:8px}.chat-window{min-height:260px;max-height:55vh;overflow:auto;padding:10px}.message{max-width:85%;padding:12px 16px;border-radius:18px;background:var(--pale);margin-bottom:10px;white-space:pre-wrap}.message.user{margin-left:auto;background:#d2ecef}.composer{display:flex;gap:8px;align-items:flex-end}.composer textarea{min-height:56px;resize:vertical}.prompts{display:flex;gap:8px;overflow:auto;margin:12px 0}.prompts button{font-size:14px;max-width:260px;flex:none;white-space:normal;text-align:left}.media{margin:16px 0}.media video,.media img,.media audio{max-width:100%;border-radius:16px}.media iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:16px}.feed-card{margin-bottom:16px}.feed-card h2{font-size:20px}.skip{position:absolute;left:10px;top:-80px;z-index:20}.skip:focus{top:10px;background:white;padding:10px}dialog{border:0;border-radius:22px;max-width:min(92vw,560px);padding:24px;color:var(--ink);background:white}dialog::backdrop{background:#101c3a66}footer{font-size:13px;color:var(--muted);text-align:center;padding:20px}.source-list{font-size:14px;overflow-wrap:anywhere}.source-list a{color:var(--blue);text-decoration:underline}
@media(max-width:1049px){.header{height:56px}.layout{margin-left:0}.nav{top:auto;bottom:0;left:0;width:100%;display:grid;grid-template-columns:repeat(4,1fr);height:64px;padding:4px 0;background:white;border-top:1px solid var(--line)}.nav a{display:flex;flex-direction:column;gap:0;justify-content:center;min-width:0;margin:0;font-size:13px}.nav .icon{font-size:28px;height:32px;padding:2px 0}.layout{padding-bottom:74px}.rubrics{grid-template-columns:repeat(3,minmax(0,1fr))}.topics{grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-actions{bottom:64px}.characters{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:599px){.rubrics{grid-template-columns:repeat(2,minmax(0,1fr))}.promo{flex-basis:calc(100% - 20px);aspect-ratio:1.9}.promo h2{font-size:20px}.promo p{font-size:15px}.topics{display:block;background:white;border-radius:22px;box-shadow:0 6px 18px #0f203a08;overflow:hidden}.topic-card{display:flex;align-items:center;gap:12px;padding:10px 12px;border-bottom:1px solid var(--line);box-shadow:none;border-radius:0}.topic-card:last-child{border:0}.topic-card img{width:100px;flex:none;margin:0}.topic-card h3{font-size:16px}.rubric{min-height:58px}.chat-cta h3{font-size:18px;white-space:normal}.characters{grid-template-columns:repeat(2,minmax(0,1fr))}.word-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.character div{padding:12px}.character h2{font-size:16px}.composer{flex-wrap:wrap}.composer button{width:100%}.header{padding:0 18px}.menu-row{padding:14px 18px}.menu h1{margin-top:18px}.reading h1{font-size:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
.word-slider{display:flex;overflow-x:auto;gap:12px;scroll-snap-type:x mandatory;scrollbar-width:thin}.word-slider>.word-card{flex:0 0 min(100%,340px);scroll-snap-align:start}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.header[data-medal=iron]{box-shadow:inset 0 -1px #657c9010;background:linear-gradient(100deg,var(--page) 65%,#657c900c)}.header[data-medal=silver]{box-shadow:inset 0 -1px #8e9aac22;background:linear-gradient(100deg,var(--page) 65%,#8e9aac16)}.header[data-medal=gold]{box-shadow:inset 0 -1px #b8802022;background:linear-gradient(100deg,var(--page) 65%,#b8802016)}.header[data-medal=stone] .icon{color:#858b93}#class-details>img{display:block;margin:16px auto}#assignments .surface{margin:12px 0}

.header>a:last-child{color:var(--blue)}
.promo{border:0;padding:0;text-align:left}.promo img{inset:0}.promo:after{background:linear-gradient(90deg,rgba(var(--promo-rgb,8,63,82),.98),rgba(var(--promo-rgb,8,63,82),.83) 36%,rgba(var(--promo-rgb,8,63,82),.05))}.promo-copy{width:57%;padding:12px 4px 12px 15px}.promo h2{line-height:1.08}.offer-rate{position:absolute;right:6%;top:50%;transform:translateY(-50%);z-index:1;color:#ffe2a4;font-size:42px;font-weight:600;pointer-events:none}
html,body{height:100%;overflow:hidden}.layout{height:calc(100dvh - 56px);padding-bottom:0;overflow:hidden}main{height:100%;overflow-y:auto;padding-right:10px;padding-bottom:12px;scrollbar-width:thin;scrollbar-color:#c4c8d2 transparent}.nav{top:64px}.nav .icon{width:56px}.bala-view-menu .header{height:72px}.bala-view-menu .layout{height:calc(100dvh - 72px)}.bala-view-menu .nav{top:80px}
@media(max-width:1049px){.layout{height:calc(100dvh - 120px);padding-bottom:0}main{scrollbar-width:none;padding-right:18px}.nav{top:auto}.bala-view-menu .layout{height:calc(100dvh - 148px)}.bala-view-menu .nav{top:auto;height:76px}.quiz-actions{bottom:0}}

.header{--medal-rgb:63,96,189}.header[data-medal=iron]{--medal-rgb:101,124,144}.header[data-medal=silver]{--medal-rgb:142,154,172}.header[data-medal=gold]{--medal-rgb:184,128,32}.header:before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(ellipse at top right,rgba(var(--medal-rgb),.2),transparent 85%);border-bottom:1px solid rgba(var(--medal-rgb),.12)}.header.medal-glow:before{animation:bala-medal-glow 2s linear 1}@keyframes bala-medal-glow{0%,100%{opacity:0}50%{opacity:1}}

.icon>svg{display:block;width:28px;height:28px;margin:auto}.header>a:last-child .icon{color:rgb(var(--medal-rgb))}

/* Match the original 48px search field and 44px desktop rail rhythm. */
.search{min-height:48px}.search input{padding:12px 0}@media(min-width:1050px){.nav a{margin-bottom:0}.nav .icon{font-size:24px;line-height:24px;height:32px}.nav .icon>svg{width:24px;height:24px}}

.match-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:center}.sequence-bank{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.sequence-bank .chip{white-space:normal;overflow-wrap:anywhere;max-width:100%}.sequence-row{margin:10px 0;padding:12px;background:white;border:1px solid var(--line);border-radius:14px}.sequence-row>span{display:block;margin-bottom:8px}.sequence-row button{font-size:14px;min-height:40px;padding:8px}.question-picture{max-width:100%;width:72px;max-height:72px;object-fit:contain;vertical-align:middle;margin-right:8px}.quiz fieldset{min-width:0}.quiz legend{max-width:100%;overflow-wrap:anywhere}.option span,.sequence-row>span{min-width:0;overflow-wrap:anywhere}.quiz .step-count{margin:12px 0}.quiz .quiz-actions{flex-wrap:wrap}@media(max-width:399px){.match-row{grid-template-columns:1fr;gap:6px}}

.media iframe{min-height:200px}.media-fallback{font-size:14px;overflow-wrap:anywhere;margin:10px 0}.media-fallback a{color:var(--blue);text-decoration:underline}

/* Let enlarged text grow without clipping the original poster copy. */
.promo{aspect-ratio:auto;min-height:177px}.promo-copy{height:auto;min-height:100%}.promo h2,.promo p{overflow-wrap:anywhere}.nav a>span:not(.icon){min-width:0;overflow-wrap:anywhere}
.section-head{flex-wrap:wrap}.menu-row>div,.chat-cta>div,.rubric>span:not(.icon){min-width:0;overflow-wrap:anywhere}.word-card,.character div{min-width:0;overflow-wrap:anywhere}
@media(max-width:599px){.promo{min-height:calc((100vw - 56px)/1.9)}}
@media(max-width:1049px){.nav{font-size:.8125rem;height:calc(24px + 2.5rem)}.nav a{font-size:inherit;line-height:1.2}.nav a>span:not(.icon){max-width:100%}.layout{height:calc(100dvh - 80px - 2.5rem)}.bala-view-menu .nav{height:calc(36px + 2.5rem)}.bala-view-menu .layout{height:calc(100dvh - 108px - 2.5rem)}}