@import url('/assets/fonts/myanmar.css');
@font-face{font-family:Inter;src:url('/assets/fonts/inter.woff2') format('woff2');font-weight:100 900;font-display:swap}
:root{
  --teal:#fd2f68;--blue:#3b82f6;--gray:#e2e8f0;--rule:#cbd5e1;--black:#0f172a;--white:#ffffff;
  --my:"Noto Sans Myanmar","Myanmar Sangam MN",sans-serif;
  --jp:"Hiragino Sans","Noto Sans CJK JP","Yu Gothic",sans-serif;
  --app-width:600px;
  --app-top-inset:calc(env(safe-area-inset-top,0px) + var(--tg-content-safe-area-inset-top,0px));
  --app-bottom-inset:max(env(safe-area-inset-bottom,0px),var(--tg-content-safe-area-inset-bottom,0px));
}
*{box-sizing:border-box}
body{margin:0;padding-top:var(--app-top-inset);background:var(--white);color:var(--black);font:400 16px/2 var(--my)}
[hidden]{display:none!important}
[lang=en]{font-family:Inter,Arial,sans-serif}.jp,[lang=ja]{font-family:var(--jp)}
h1,h2,h3,p{margin:0}h1{font-size:25px;line-height:1.9;font-weight:700}h2{font-size:21px;line-height:1.9;font-weight:700}h3{font-size:17px;line-height:1.9;font-weight:600}p+p{margin-top:14px}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:var(--black);border-radius:0}
button{cursor:pointer;background:var(--white);border:2px solid var(--black);padding:12px 16px;min-height:48px;line-height:2;font-weight:600;touch-action:manipulation}
button:disabled{cursor:default;background:var(--gray);color:var(--black);border-color:var(--rule)}
button:active:not(:disabled),a.primary-button:active{background:var(--black);border-color:var(--black);color:var(--white)}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--black);outline-offset:3px}
.ui-icon{display:block;width:22px;height:22px;flex:0 0 22px;pointer-events:none}
.utility-button,.back-button,.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:8px 12px;line-height:2;font-weight:600}
.utility-button>span,.back-button>span,.nav-row>span{min-width:0}
.utility-button{background:var(--white);border:2px solid var(--black);font-size:13px}
.icon-only{width:48px;min-width:48px;padding:10px;flex-shrink:0}
.primary-button{background:var(--teal);border-color:var(--teal);font-weight:700;min-height:58px}
.rating{font-size:19px;font-weight:700;min-height:60px}
.actions{display:grid;gap:12px;margin-top:22px}.actions.two{grid-template-columns:1fr 1fr}
.actions .back-button{font-size:14px;min-height:54px}.actions [data-checkout]{justify-content:space-between}

/* Application chrome stays in the same place; lesson controls replace the tabs. */
.app-shell{max-width:var(--app-width);min-height:calc(100dvh - var(--app-top-inset));margin:auto;padding:0 20px;background:var(--white)}
.app-header{position:sticky;top:var(--app-top-inset);z-index:10;background:var(--white);display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:74px;padding:12px 0;border-bottom:2px solid var(--black)}
.brand{display:flex;align-items:center;gap:10px;font:750 22px/1 Inter,Arial,sans-serif}.brand img{width:32px;height:32px;object-fit:contain}
.app-header #home-back{margin-right:auto}.app-header .back-button{justify-content:flex-start;max-width:calc(100% - 60px)}.app-header .icon-only{margin-left:auto}
main{padding:24px 0 calc(30px + var(--app-bottom-inset))}
.has-app-nav main{padding-bottom:calc(112px + var(--app-bottom-inset))}
.app-nav{position:fixed;z-index:15;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,var(--app-width));display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;padding:0 0 var(--app-bottom-inset);border-top:2px solid var(--black);background:var(--white)}
.app-nav-item{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;min-height:78px;padding:11px 3px 10px;border:0;background:var(--white);font-size:12px;line-height:1.9;font-weight:600;text-align:center}
.app-nav-item .ui-icon{width:23px;height:23px;flex-basis:23px}.app-nav-item[aria-current=page]{background:var(--teal);font-weight:700}

/* Two full tap targets remain the only study choices on the home screen. */
.home-menu{max-width:560px;margin:0 auto}
.home-intro{padding:0 0 8px;margin-bottom:24px}
.home-title-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.home-intro h1{font-size:25px;line-height:1.8;font-weight:750}.home-intro p{font-size:14px;line-height:2;margin-top:8px}
.level-switch{font-size:12px;gap:8px;padding:7px 10px;white-space:nowrap}.level-switch .ui-icon{width:19px;height:19px;flex-basis:19px}
.home-cards{display:grid;gap:20px}
.home-card{--accent:var(--teal);display:block;width:100%;padding:0;border:3px solid var(--accent);text-align:left;background:var(--white)}
.home-card.revision{--accent:var(--blue)}
.home-card-body{display:block;padding:21px 20px 19px}
.home-card-heading{display:flex;align-items:center;gap:13px}.home-card-symbol{display:grid;place-items:center;min-width:46px;height:46px;background:var(--accent)}.home-card-symbol .ui-icon{width:26px;height:26px}
.home-card-title{display:block;font-size:21px;line-height:1.9;font-weight:700}.home-card-title [lang=en]{font-weight:750;letter-spacing:-.35px}
.home-card-description{display:block;font-size:14px;font-weight:500;line-height:2;margin-top:12px}
.home-card-action{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;min-height:56px;background:var(--accent);font-size:14px;font-weight:700}
.home-card-action .home-arrow{margin-left:auto}.home-card>*{pointer-events:none}
.home-card:disabled{background:var(--white);border-color:var(--accent)}
.home-card:active:not(:disabled){color:var(--black);border-color:var(--black);background:var(--white)}.home-card:active:not(:disabled) .home-card-action{background:var(--black);color:var(--white)}
.home-card.not-ready{border-color:var(--gray)}.home-card.not-ready .home-card-symbol,.home-card.not-ready .home-card-action{background:var(--gray)}.home-card.not-ready .home-card-action{font-size:13px;font-weight:600}
.home-card-loading{display:none;align-items:center;gap:10px}.home-card.is-opening .home-card-label,.home-card.is-opening .home-arrow{display:none}.home-card.is-opening .home-card-loading{display:flex}
.level-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.level-card .home-card-title{font:750 32px/1.4 Inter,Arial,sans-serif}.level-card .home-card-description{font-size:13px}.level-card .home-card-body{padding:22px 17px}.level-card .home-card-action{padding:11px 17px}
.level-card.level-n4{--accent:var(--blue)}.level-card.level-n3{--accent:var(--rule)}.level-card.level-n3 .home-card-action{background:var(--gray)}.level-card.level-n2{--accent:var(--black)}.level-card.level-n2 .home-card-action{color:var(--white)}.level-card.level-n2 .spinner{border-top-color:var(--white)}.level-card .home-card-loading{font-size:12px;gap:7px}

/* Study is one readable card, with answers always reachable at the bottom. */
.session-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;font-size:13px}.session-top .kind{font-weight:600}.session-top .retry{display:block;font-size:12px}.session-meta{display:flex;align-items:center;gap:10px;flex-shrink:0}.session-top .position{font:700 17px/1.5 Inter,Arial,sans-serif}.session-pause,.session-meta .icon-only{width:44px;min-width:44px;min-height:44px;padding:8px}
.session-progress{display:block;appearance:none;width:100%;height:6px;margin:0 0 22px;border:0;border-radius:0;background:var(--gray)}.session-progress::-webkit-progress-bar{background:var(--gray)}.session-progress::-webkit-progress-value{background:var(--teal)}.session-progress::-moz-progress-bar{background:var(--teal)}
.study-card{border:3px solid var(--teal);overflow-wrap:anywhere;background:var(--white)}
.character{font-family:var(--jp);font-size:136px;line-height:1.25;display:grid;place-items:center;min-height:210px;padding:24px}
.card-hero{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.7fr);align-items:center;min-height:185px;padding:15px 12px;gap:8px}.card-hero .character{min-height:0;padding:8px;font-size:clamp(76px,19vw,130px)}.mnemonic-art{display:block;width:100%;height:auto;max-height:250px;object-fit:contain}
.meaning{background:var(--teal);text-align:center;font-size:23px;line-height:2;font-weight:700;padding:11px 16px}
.memory{padding:23px 22px}.section-label{font-size:13px;font-weight:700;margin-bottom:13px}.story{font-size:16px;line-height:2.15;font-weight:400}.story-kanji{font-weight:600;font-size:1.1em;margin:0 .12em}
.components{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:15px;margin-bottom:21px;padding-bottom:20px;border-bottom:4px dashed var(--teal)}.component{display:flex;flex-direction:column;align-items:center;gap:5px}.component .jp{font-size:38px;line-height:1.3}.component small{font-size:13px;font-weight:500}.plus{font:500 20px/1 Inter,Arial,sans-serif}
.reference{border-top:2px solid var(--teal)}.reference summary{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:62px;padding:15px 20px;font-size:13px;cursor:pointer;list-style:none;font-weight:600;line-height:2}.reference summary::-webkit-details-marker{display:none}.reference summary::marker{content:''}.reference summary>span{min-width:0}.reference[open] summary .ui-icon{transform:rotate(180deg)}
.readings{display:grid;grid-template-columns:1fr 1fr;border-top:4px dashed var(--teal);margin:0 20px}.readings>div{padding:18px 10px;text-align:center}.readings>div+div{border-left:4px dashed var(--teal)}.readings .jp{display:block;font-size:21px}.readings b{display:inline-block;background:var(--gray);border:2px solid var(--rule);padding:3px 10px;font:650 13px/1.8 Inter,Arial,sans-serif;margin-bottom:12px}
.words{padding:0 20px 16px}.word{display:grid;grid-template-columns:1fr 1fr;gap:14px;border-top:2px solid var(--gray);padding:14px 0;font-size:14px}.word .jp{font-size:19px}.word small{display:block;font-size:13px}
.recall-card{min-height:330px;display:flex;flex-direction:column;justify-content:center}.recall-card .character{flex:1;min-height:230px;font-size:150px}.question-hint{text-align:center;padding:12px 16px 23px;font-size:14px;font-weight:500}
.has-study-controls main{padding-bottom:calc(162px + var(--app-bottom-inset))}
.study-controls{position:fixed;bottom:0;left:50%;transform:translateX(-50%);z-index:15;width:min(100%,var(--app-width));background:var(--white);padding:14px 20px calc(14px + var(--app-bottom-inset));border-top:2px solid var(--black)}.study-controls .actions{margin:0}.answer-hint{margin-top:10px;font-size:12px;text-align:center;line-height:1.95;font-weight:500}

/* Catalog, settings and menus use the same solid control language. */
.nav-row,.menu-list .nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:66px;padding:17px 16px;border:0;border-bottom:2px solid var(--gray);font-size:15px;line-height:2;font-weight:600;text-align:left;background:var(--white)}.nav-row .ui-icon{width:20px;height:20px;flex-basis:20px}
.menu-list{display:flex;flex-direction:column;margin-top:24px;border:2px solid var(--black)}.menu-list .nav-row:last-child{border-bottom:0}.menu-list+.menu-list{margin-top:24px}.menu-list [data-checkout]{justify-content:space-between}
.other-menu,.catalog-link{display:flex;align-items:center;justify-content:space-between;width:100%;gap:16px;margin-top:20px;padding:16px;border:2px solid var(--black);font-size:14px;text-align:left}
.catalog-levels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:24px 0 20px;border:2px solid var(--black)}.catalog-levels button{border:0;border-right:2px solid var(--black);padding:13px 4px;font:700 16px/1.5 Inter,Arial,sans-serif;min-height:50px}.catalog-levels button:last-child{border-right:0}.catalog-levels button[aria-pressed=true]{background:var(--black);color:var(--white)}
.catalog-summary{font-size:14px;font-weight:600}.catalog-legend{display:flex;flex-wrap:wrap;gap:10px 22px;margin:14px 0 22px;font-size:12px;font-weight:500}.catalog-legend>span{display:flex;align-items:center;gap:8px}.catalog-legend i{display:inline-block;width:16px;height:16px;border:2px solid var(--rule);background:var(--gray)}.catalog-legend i.legend-learned{background:var(--teal);border-color:var(--teal)}
.catalog-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.catalog-tile{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:132px;border:2px solid var(--rule);padding:23px 5px 14px;background:var(--gray)}.catalog-tile.learned{background:var(--teal);border-color:var(--teal)}.catalog-tile [lang=ja]{font-size:39px;line-height:1.3}.catalog-meaning{font-size:12px;font-weight:500;line-height:2;overflow-wrap:anywhere;text-align:center;min-height:44px;width:100%}.tile-status{position:absolute;top:6px;right:6px;display:grid;place-items:center;min-height:16px;font:600 12px/1 Inter,Arial,sans-serif}.tile-status .ui-icon{width:16px;height:16px}.catalog-tile>*{pointer-events:none}.catalog-hint,.catalog-card-status{font-size:13px;margin-top:22px}.catalog-card-status{margin-top:0}
.library-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:24px 0}.library-card{border:3px solid var(--teal);padding:18px 7px;display:flex;flex-direction:column;gap:12px;text-align:center}.library-card:nth-child(4n+2){border-color:var(--blue)}.library-card:nth-child(4n+3){border-color:var(--rule)}.library-card:nth-child(4n){border-color:var(--black)}.library-card .jp{font-size:45px;line-height:1.3}.library-card small{font-size:12px;line-height:2;font-weight:500}.library-head{margin-bottom:22px}
.intro{margin:12px 0 24px;font-size:14px}.settings-block{margin-top:25px;border-top:2px solid var(--black);padding-top:22px}.settings-block h2{font-size:19px}.presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:20px 0}.presets button{font-size:13px;padding:12px 4px;min-height:50px}.presets button[aria-pressed=true]{background:var(--teal);border-color:var(--teal)}
label{display:block;margin:18px 0 8px;font-size:14px;font-weight:600}input,select{width:100%;height:58px;background:var(--white);border:2px solid var(--black);padding:9px 12px}.settings-note{font-size:13px;margin-top:18px}.account-id{font:600 15px/1.5 Inter,Arial,sans-serif}.prose{white-space:pre-line;line-height:2.15;font-size:15px;margin-top:24px}

/* Lesson previews and the upgrade offer are part of the same app. */
.lesson-preview,.trial-offer{max-width:560px;margin:auto}.preview-level{font-size:13px;font-weight:600;margin-bottom:14px}.lesson-preview h1{font-size:24px}.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:26px 0}.preview-tile{display:grid;place-items:center;border:3px solid var(--teal);min-height:130px;font-size:74px;line-height:1.3;padding:16px 4px}.lesson-preview>p:not(.preview-level){font-size:15px}.preview-start{width:100%;display:flex;align-items:center;justify-content:center;margin-top:28px}.preview-start.is-opening .home-card-label{display:none}.preview-start.is-opening .home-card-loading{display:flex}
.trial-complete{padding-bottom:6px}.trial-complete h1{font-size:23px}.trial-learned{display:flex;gap:24px;margin-top:14px;font-size:42px;line-height:1.4}.next-lesson{margin-top:24px}.next-lesson h2{font-size:19px}.next-lesson>p{font-size:13px;margin-top:5px}.teaser-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0 24px}.teaser-card{border:3px solid var(--teal);display:flex;flex-direction:column;align-items:center;min-width:0;padding:12px 7px;text-align:center}.teaser-card img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;margin-bottom:10px}.teaser-kanji{font-size:39px;line-height:1.4}.teaser-meaning{font-size:12px;line-height:2;margin-top:8px;font-weight:500;overflow-wrap:anywhere}
.offer-price{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 16px;background:var(--gray);border:2px solid var(--black)}.offer-price strong{font-size:24px;line-height:1.5;font-weight:700}.offer-price>span{font-size:13px;font-weight:600}.offer-description,.offer-status{font-size:14px;margin-top:18px}.trial-offer .actions{margin-top:22px}.trial-offer .actions [data-checkout]{padding:13px 15px;font-size:14px}.free-review{font-size:14px;background:var(--white);font-weight:600}
.end{padding-top:4px}.end p{margin-top:15px;font-size:15px}.end .actions{margin-top:26px}.upcoming{font-size:14px;font-weight:500;margin:20px 0}
.entry{padding:24px 0}.entry-logo{width:80px;height:80px;object-fit:contain;margin-bottom:22px}.entry p{margin:15px 0 24px}.entry .primary-button{padding:14px}.entry [data-checkout]{width:100%;margin-bottom:16px}.empty{margin:22px 0}.save-message{font-size:14px;margin-top:18px}

#notice{border:2px solid var(--black);background:var(--gray);padding:14px 16px;margin-top:20px;font-size:13px;font-weight:500}#notice button{margin-top:12px;display:block;background:var(--white);font-size:13px}
.loading{padding:50px 0;text-align:center}.page-loading{display:flex;align-items:center;justify-content:center;gap:12px;min-height:200px;font-size:14px}.spinner{display:inline-block;width:20px;height:20px;flex-shrink:0;border:3px solid var(--gray);border-top-color:var(--black);border-radius:50%;animation:loading-spin .8s linear infinite}@keyframes loading-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.spinner{animation:none;border-style:dashed}}
@media(min-width:700px){body{background:var(--gray)}.app-shell{border-left:2px solid var(--rule);border-right:2px solid var(--rule);padding:0 28px}.study-controls{padding-left:28px;padding-right:28px}.app-nav{border-left:2px solid var(--rule);border-right:2px solid var(--rule)}}
@media(max-width:440px){h1{font-size:23px}.app-shell{padding:0 18px}.app-header{min-height:70px}.brand{font-size:21px}.home-intro h1{font-size:24px}.home-card-body{padding:19px 17px}.home-card-title{font-size:20px}.home-card-action{padding:12px 17px}.home-card-symbol{min-width:42px;height:42px}.home-card-description{font-size:13px}.memory{padding:22px 18px}.story{font-size:15px}.meaning{font-size:22px}.card-hero{min-height:160px;padding:12px 8px;gap:3px}.card-hero .character{font-size:clamp(68px,19vw,90px)}.mnemonic-art{max-height:190px}.reference summary{padding:14px 17px}.library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.catalog-tile{min-height:86px}.catalog-tile [lang=ja]{font-size:36px}.preview-tile{min-height:110px;font-size:64px}.study-controls{padding-left:18px;padding-right:18px}.trial-complete h1{font-size:21px}.teaser-kanji{font-size:34px}.teaser-meaning{font-size:11px}.offer-price strong{font-size:22px}}
@media(max-width:350px){.app-shell{padding:0 14px}.home-title-row{gap:10px}.home-title-row h1{font-size:22px}.level-switch{padding:7px 8px;gap:6px;font-size:11px}.home-card-title{font-size:18px}.home-card-symbol{min-width:38px;height:38px}.home-card-heading{gap:10px}.home-card-body{padding:17px 14px}.home-card-action{padding:11px 14px}.app-nav-item{font-size:11px}.catalog-grid{gap:7px}.catalog-tile{min-height:78px}.catalog-tile [lang=ja]{font-size:31px}.preview-grid{gap:8px}.preview-tile{min-height:96px;font-size:54px}.memory{padding:21px 15px}.reference summary{padding:13px 14px}.session-meta{gap:8px}.session-top .position{font-size:15px}.session-top .kind{font-size:12px}.study-controls{padding-left:14px;padding-right:14px}.offer-price{padding:17px 12px;gap:8px}.offer-price strong{font-size:20px}.offer-price>span{font-size:12px}}

/* A static fan of real upcoming cards. No hover motion or generated art. */
.teaser-grid{display:block;position:relative;height:clamp(225px,65vw,310px);margin:20px 0 0}
.teaser-card{position:absolute;left:7%;top:16px;width:30%;height:clamp(174px,51vw,250px);display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto;gap:8px;justify-items:center;background:var(--white);padding:8px 8px 14px;border:3px solid var(--teal);transform:rotate(-12deg);transform-origin:50% 50%;z-index:1}
.teaser-card:nth-child(2){left:35%;top:0;transform:none;border-color:var(--blue);z-index:3}
.teaser-card:nth-child(3){left:63%;transform:rotate(12deg);border-color:var(--black);z-index:2}
.teaser-card img{width:100%;height:100%;min-width:0;min-height:0;object-fit:contain;margin:0;aspect-ratio:auto}
.teaser-kanji{font-size:clamp(33px,8vw,52px);line-height:1.3;margin:0}
.card-corner{justify-self:stretch;align-self:start;font:500 11px/1.9 var(--my);text-align:left;overflow-wrap:anywhere}
.teaser-card.no-art{grid-template-rows:auto minmax(0,1fr)}.teaser-card.no-art .teaser-kanji{font-size:clamp(50px,12vw,74px);align-self:center;margin:0}
.teaser-key{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0 0 24px;text-align:center}
.teaser-key>div{display:flex;flex-direction:column;gap:7px;min-width:0}.teaser-key-kanji{font-size:25px;line-height:1.3}.teaser-key .teaser-meaning{font-size:13px;line-height:2;margin:0;overflow-wrap:anywhere}
.fan-count-2.teaser-grid .teaser-card:first-child{left:23%;transform:rotate(-10deg)}.fan-count-2.teaser-grid .teaser-card:nth-child(2){left:47%;top:16px;transform:rotate(10deg)}.fan-count-2.teaser-key{grid-template-columns:repeat(2,minmax(0,1fr))}
.fan-count-1.teaser-grid .teaser-card{left:35%;top:0;transform:none}.fan-count-1.teaser-key{grid-template-columns:1fr}
.upgrade-preview .next-lesson{margin-top:0}.unlock-summary{margin:22px 0 18px}.unlock-levels{font-size:17px;line-height:1.5;font-weight:750}.unlock-summary p+p{font-size:14px;margin-top:9px}
@media(max-width:350px){.card-corner{font-size:10px}.teaser-key{gap:8px}.teaser-key .teaser-meaning{font-size:12px}}