@font-face {
  font-family: 'Nunito';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src:url("assets/fonts/nunito-vietnamese-700-normal.woff2") format("woff2");
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face {
  font-family: 'Nunito';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src:url("assets/fonts/nunito-latin-ext-700-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'Nunito';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src:url("assets/fonts/nunito-latin-700-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{--green:#236350;--dark:#203d33;--muted:#718078;--cream:#faf9f3;--line:#e2e7de;--orange:#ed9565;--light:#edf2e5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--cream);color:var(--dark);font-family:'Be Vietnam Pro',Arial,sans-serif;font-size:14px;line-height:1.7}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button,summary{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #e8ae61;outline-offset:4px}button{transition:background .2s,transform .2s}button:hover{transform:translateY(-2px)}header{height:104px;display:flex;align-items:center;justify-content:space-between;max-width:1280px;margin:auto;padding:0 48px;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:800;line-height:1.2;letter-spacing:-1px}.brand i{font-style:normal;color:var(--green)}.brand-icon{font-size:47px;color:var(--orange);line-height:1}.brand small{display:block;font-size:8px;font-weight:500;letter-spacing:1.5px;margin-top:7px}nav{display:flex;gap:29px;font-size:12px;font-weight:600}nav a:hover{color:var(--green)}.profile{border:1px solid #dce3d7;border-radius:30px;background:#fff;padding:9px 15px;display:flex;gap:8px;align-items:center;font-size:18px}.profile span{font-size:12px;font-weight:600}.edit{color:#8e9c91}main{max-width:1280px;padding:0 48px;margin:auto}.hero{min-height:545px;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;padding:58px 0 50px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:700;color:var(--green)}h1{font-size:44px;line-height:1.3;letter-spacing:-1.9px;margin:19px 0}h1 em{font-style:normal;color:var(--green)}.hero p{color:var(--muted);line-height:1.9;margin:0 0 25px}.primary{display:inline-flex;align-items:center;justify-content:center;gap:25px;background:var(--green);color:white;border:0;border-radius:10px;padding:15px 22px;font-size:12px;font-weight:600;box-shadow:0 5px 0 #194b3d12}.primary:hover{background:#174e3e}.primary span{font-size:20px;line-height:1}.dream-note{display:flex;gap:13px;margin-top:28px;align-items:flex-start}.dream-note>span{font-size:24px;background:#eaf0df;border-radius:12px;padding:5px 9px}.dream-note>div{width:100%;max-width:365px}.dream-note label{display:block;font-size:12px;font-weight:700}.dream-note input{width:100%;background:transparent;border:0;border-bottom:1px dashed #bac9b5;padding:6px 0;color:var(--green);font-size:12px}.dream-note small{font-size:9px;color:#8d988e}.hero-art{position:relative;height:397px;background:#edf1e4;border-radius:46% 47% 42% 45%;margin:0 5px;isolation:isolate}.globe{position:absolute;font-size:185px;left:50%;top:45%;transform:translate(-50%,-50%);filter:drop-shadow(0 20px 16px #315b3619)}.orbit{position:absolute;border:1px dashed #bcccb2;border-radius:50%;inset:45px -8px;transform:rotate(-26deg)}.orbit-two{inset:15px 39px;transform:rotate(33deg)}.star{position:absolute;color:#d3a14c;font-size:36px}.star-one{left:5%;top:9%}.star-two{right:1%;bottom:18%}.job{position:absolute;text-align:center;font-size:61px;filter:drop-shadow(0 9px 6px #2948310d)}.job span{display:block;background:white;border:1px solid #e7e7db;border-radius:30px;font-size:10px;padding:5px 12px;margin-top:-8px;color:#54694e;font-weight:600;box-shadow:0 5px 10px #617a4c05}.chef{left:-7%;top:32%}.doctor{right:-5%;top:8%}.explorer{right:7%;bottom:14%}.floating-letter{position:absolute;display:grid;place-content:center;width:52px;height:58px;font-size:26px;font-weight:800;border-radius:13px;box-shadow:0 5px 0 #ca90552b}.letter-a{background:#f7d5a6;color:#9c6130;left:26%;top:0;transform:rotate(-12deg)}.letter-b{background:#d5e1c5;color:#4d7041;left:11%;bottom:12%;transform:rotate(12deg)}.art-note{position:absolute;left:40%;bottom:-12px;transform:rotate(-5deg);background:#fffdf3;border:1px solid #e8dfca;padding:11px 16px;font-size:10px;box-shadow:2px 5px 0 #e9e6d4;line-height:1.7}.art-note b{font-weight:500;color:#9c9a81}.section-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}h2{font-size:29px;letter-spacing:-1px;line-height:1.4;margin:9px 0}h2 span{font-size:25px}.section-top p{margin:5px 0 0;color:var(--muted);font-size:12px}.learning{border-top:1px solid var(--line);padding-top:35px}.level label{display:block;font-size:8px;letter-spacing:1.3px;color:var(--muted);font-weight:600}.level select{border:1px solid #d8e0d0;border-radius:9px;background:white;padding:10px 30px 10px 14px;color:var(--green);font-size:12px;font-weight:600;margin-top:5px}.level small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.unit-nav{display:flex;gap:14px;margin-bottom:23px}.unit{border:1px solid var(--line);background:white;border-radius:13px;display:flex;gap:13px;align-items:center;text-align:left;padding:13px 20px;min-width:220px}.unit.active{background:#e7eedf;border-color:#aac29a}.unit-num{background:#f4f4ee;padding:5px 9px;border-radius:9px;font-size:23px;font-weight:700;color:#b5c4a7}.unit.active .unit-num{background:var(--green);color:#fff}.unit b{font-size:13px}.unit small{display:block;font-size:11px;color:var(--muted)}.unit-mark{margin-left:auto;color:var(--green);font-size:20px}.unit-tip{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:28px}.unit-tip span{font-size:10px;color:var(--muted)}.lesson-shell{border:1px solid var(--line);background:white;border-radius:20px;padding:0 26px 22px;box-shadow:0 6px 22px #19382303;overflow:hidden}.lesson-nav{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:17px 0;gap:10px}.lesson-nav #letters{display:flex;gap:10px}.letter-tab{background:var(--cream);border:1px solid #e8eadd;border-radius:10px;min-width:69px;height:54px;font-size:23px;font-weight:700;color:#708467}.letter-tab.active{background:var(--green);color:white;border-color:var(--green)}.extra-tabs{display:flex;gap:9px}.extra-tabs button{background:white;border:1px solid #e7e6df;border-radius:9px;padding:6px 16px;font-weight:600;font-size:11px}.extra-tabs small{display:block;font-size:9px;font-weight:400;color:var(--muted)}.lesson-heading{display:flex;justify-content:space-between;align-items:center;padding:22px 0}.lesson-heading .eyebrow{font-size:8px}.lesson-heading h3{font-size:24px;margin:3px 0;letter-spacing:-.7px}.lesson-heading p{color:var(--muted);font-size:11px;margin:3px 0}.sound-tag{padding:8px 15px;background:#fff3e6;color:#a66d36;border-radius:30px;font-size:13px;font-weight:600}.media-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:20px}.video-panel{border-radius:14px;overflow:hidden;background:#f4f3eb;align-self:start}.panel-label{font-size:8px;letter-spacing:1.2px;font-weight:700;display:flex;justify-content:space-between;color:#6d7c66;padding:12px 15px}.video-panel video{display:block;width:100%;aspect-ratio:4/3;background:#edf2e3;object-fit:contain}.video-caption{font-size:10px;color:#87907b;text-align:center;padding:11px 8px}.dictionary{background:#fbfaf6;border:1px solid #eeeee4;border-radius:14px;padding:0 12px 12px}.dictionary .panel-label{padding:12px 2px}.words{display:grid;grid-template-columns:1fr 1fr;gap:9px}.word-card{background:white;border:1px solid #eeeede;border-radius:10px;overflow:hidden;text-align:center;padding:5px 5px 8px}.word-card img{width:100%;height:103px;object-fit:contain;display:block}.word-card b{display:block;font-size:13px;font-weight:600;line-height:1.3;margin-top:5px}.word-card small{font-size:10px;color:var(--muted)}.vocab-play{border:0;border-radius:8px;background:#edf2e5;color:var(--green);font-size:10px;font-weight:600;width:100%;padding:10px;margin-top:10px}.audio-note{font-size:9px;text-align:center;color:var(--muted);margin:5px 0 0}.parent-guide{margin:22px 0 14px;background:#f2f5ee;border-radius:11px;padding:16px;display:flex;gap:13px;font-size:11px}.guide-icon{font-size:23px}.parent-guide b{font-size:11px}.parent-guide p{margin:4px 0 8px;color:#62775d;line-height:1.8}.parent-guide div div{display:flex;gap:5px 20px;flex-wrap:wrap;font-size:9px;color:var(--muted)}.parent-guide div div b{font-size:9px;color:#476b40}.practice{border:1px solid var(--line);border-radius:10px;margin-top:10px;background:#fff}.practice summary{display:flex;align-items:center;justify-content:space-between;gap:10px;list-style:none;padding:14px 17px;font-size:12px;font-weight:600}.practice summary::-webkit-details-marker{display:none}.practice summary small{font-size:9px;display:block;color:var(--muted);font-weight:400;padding-top:2px}.practice[open]>summary{border-bottom:1px solid var(--line)}.practice-body{padding:18px}.practice-body p{font-size:12px;color:var(--muted)}.audio-buttons{display:flex;flex-wrap:wrap;gap:8px;margin:9px 0 17px}.audio-buttons button,.secondary{background:#fff;border:1px solid #ccdac3;color:var(--green);border-radius:8px;font-size:10px;font-weight:600;padding:10px 13px}.audio-buttons button.playing{background:var(--green);color:white}.book-pages{display:grid;grid-template-columns:1fr 1fr;gap:14px}.book-pages img,.worksheet{width:100%;border-radius:7px;display:block;border:1px solid #eceee6}.worksheet{max-width:670px;margin:16px auto}.story-section,.review-section{margin-top:42px}h3{font-size:25px;letter-spacing:-.7px;margin:7px 0}h3 em{font-size:20px;font-weight:500;font-style:normal;color:#7c8a70;margin-left:10px}.story-layout{background:#eeeedd;border-radius:18px;padding:25px;display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center}.story-layout>img{width:100%;max-height:610px;object-fit:contain;border-radius:12px}.story-guide h4{font-size:27px;line-height:1.5;letter-spacing:-.7px;margin:13px 0}.story-guide ol{padding-left:20px}.story-guide li{margin:20px 0;font-size:12px;color:#6f7c63}.story-guide li b{color:var(--green)}.story-guide details{font-size:11px;margin-top:23px}.story-guide summary{font-weight:600}.story-guide details p{font-size:11px;line-height:1.9}.review-local{padding:22px;background:#f3eee3;border-radius:14px}.review-local h4{margin:0 0 8px;font-size:15px}.review-local p{font-size:12px;color:var(--muted)}.common-review{margin-top:16px}.attendance{margin:45px 0 35px;background:#e7efdf;border:1px solid #d3dfc8;border-radius:20px;padding:35px;display:grid;grid-template-columns:1.25fr 1fr;gap:30px;align-items:center}.attendance h2{margin-top:8px}.attendance p{font-size:11px;color:#6c7f61}.days{display:flex;gap:9px;margin:22px 0 10px}.day{width:44px;text-align:center;color:#8b9c80;font-size:9px}.day span{display:grid;place-content:center;height:43px;border:1px solid #cfdbc5;border-radius:50%;background:#f6f8f1;margin-bottom:5px;font-size:14px}.day.done span{background:var(--green);color:white;border-color:var(--green)}.day.today span{outline:2px solid #a2b993;outline-offset:3px}.attendance .attendance-result{font-size:13px;font-weight:600;color:var(--green);margin:14px 0 3px}.attendance small{font-size:9px;color:#8b9c80}.attendance-action{text-align:center}.plant{font-size:74px;display:block;line-height:1.3;margin-bottom:16px}.attendance-action .primary{font-size:11px;gap:10px}.attendance-action p{font-size:9px}.primary:disabled{background:#658759;cursor:default;transform:none}footer{border-top:1px solid var(--line);text-align:center;padding:32px 0 105px;color:#8a9585}footer .brand{justify-content:center;font-size:20px}footer .brand-icon{font-size:34px}footer p{font-size:11px;margin:15px 0 4px}footer>span{font-size:10px;color:#657f58}footer small{display:block;font-size:9px;margin-top:19px;line-height:1.9}.audio-bar{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 24px));background:#fffdf5;border:1px solid #d5dfca;border-radius:15px;padding:10px 15px;box-shadow:0 8px 50px #1a402333;display:flex;align-items:center;gap:15px;z-index:20}.audio-bar[hidden]{display:none}.audio-bar>div{display:flex;gap:8px;align-items:center;font-size:11px;min-width:125px}.audio-bar>div>span{color:var(--green);font-size:26px}.audio-bar audio{width:100%;height:38px}.audio-bar button{border:0;background:none;padding:6px}dialog{border:1px solid var(--line);border-radius:24px;padding:32px;width:min(460px,calc(100% - 30px));color:var(--dark);box-shadow:0 30px 100px #18372033}dialog::backdrop{background:#1b372a66;backdrop-filter:blur(5px)}dialog h2{font-size:25px;line-height:1.4}dialog p{color:var(--muted);font-size:12px}dialog label{display:block;font-size:11px;font-weight:600;margin:17px 0 8px}dialog input{width:100%;border:1px solid #cedbc6;border-radius:10px;padding:12px;color:var(--dark)}.avatars{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:22px}.avatar{border:1px solid #e1e6d9;background:#f4f5ee;border-radius:13px;padding:5px;font-size:25px}.avatar.selected{border:2px solid var(--green);background:#dae8ce}.skip{display:block;background:none;border:0;font-size:10px;color:var(--muted);margin:13px auto 0}dialog .primary{width:100%}@media(min-width:1400px){header,main{max-width:1360px;padding-left:70px;padding-right:70px}.hero{min-height:590px}h1{font-size:48px}.hero-art{height:430px}.globe{font-size:210px}.word-card img{height:115px}}@media(max-width:950px){header,main{padding-left:25px;padding-right:25px}nav{gap:16px;font-size:10px}.brand{font-size:20px}.brand-icon{font-size:38px}.hero{gap:20px}.hero h1{font-size:35px}.hero-art{height:330px}.globe{font-size:150px}.job{font-size:48px}.job span{font-size:8px}.art-note{font-size:8px;left:30%}.unit-tip{display:none}.media-grid{gap:14px}.word-card img{height:88px}.story-layout{gap:20px}.story-guide h4{font-size:22px}}@media(max-width:650px){html{scroll-padding-top:20px}header{height:79px;padding:0 18px}.brand{font-size:20px}.brand small{font-size:6px;letter-spacing:1px}nav{display:none}.profile{padding:7px 9px}.profile span{font-size:10px}.profile .edit{display:none}main{padding:0 17px}.hero{grid-template-columns:1fr;padding:35px 4px 32px;gap:25px}.hero h1{font-size:34px;letter-spacing:-1.3px}.eyebrow{font-size:8px}.hero p{font-size:12px}.hero-art{height:295px;max-width:330px;width:90%;margin:0 auto 15px}.hero-copy>.primary{font-size:11px;padding:13px 17px}.dream-note{margin-top:22px}.globe{font-size:148px}.hero-art .chef{left:-10%}.hero-art .doctor{right:-9%}.hero-art .explorer{right:-1%}.job{font-size:45px}.letter-a{left:28%;top:0}.floating-letter{width:42px;height:47px;font-size:23px}.art-note{left:30%;bottom:-16px}.learning{padding-top:28px}.section-top{align-items:flex-start;margin-bottom:20px;gap:10px}h2{font-size:24px}.section-top p{font-size:10px}.level label{font-size:6px}.level select{max-width:125px;font-size:9px;padding:9px 3px}.level small{font-size:7px}.unit-nav{gap:10px}.unit{min-width:0;flex:1;padding:10px;gap:9px}.unit-num{font-size:20px;padding:4px 7px}.unit b{font-size:12px}.unit small{font-size:9px}.unit-mark{font-size:17px}.lesson-shell{padding:0 13px 14px;border-radius:15px}.lesson-nav{gap:7px;align-items:flex-start}.lesson-nav #letters{gap:6px}.letter-tab{min-width:44px;height:45px;font-size:20px}.extra-tabs{gap:5px}.extra-tabs button{font-size:9px;padding:5px 7px}.extra-tabs small{font-size:7px}.lesson-heading{padding:18px 0}.lesson-heading h3{font-size:22px}.lesson-heading p{font-size:10px;max-width:215px}.sound-tag{font-size:10px;padding:6px 10px}.media-grid{grid-template-columns:1fr}.video-panel video{aspect-ratio:4/3}.dictionary{padding:0 11px 12px}.word-card img{height:110px}.panel-label{font-size:8px}.word-card b{font-size:14px}.word-card small{font-size:11px}.vocab-play{font-size:11px}.parent-guide{padding:13px;gap:8px}.parent-guide p{font-size:10px}.parent-guide div div{font-size:9px;display:block}.parent-guide div div span{display:block;margin-top:5px}.practice summary{font-size:10px;padding:12px}.practice summary small{font-size:8px}.practice-body{padding:12px}.book-pages{grid-template-columns:1fr}.story-section,.review-section{margin-top:30px}h3{font-size:22px}h3 em{display:block;font-size:17px;margin:4px 0}.story-section .primary{font-size:9px;padding:11px 13px;white-space:nowrap;gap:5px;margin-top:16px}.story-layout{padding:14px;grid-template-columns:1fr;gap:8px}.story-guide{padding:12px}.story-guide h4{font-size:22px}.story-guide li{font-size:11px;margin:13px 0}.review-local{padding:16px}.review-local p{font-size:11px}.audio-buttons button{font-size:9px}.attendance{padding:24px 17px;grid-template-columns:1fr;gap:18px;margin-top:30px}.attendance>div:first-child{text-align:center}.days{justify-content:center;gap:8px}.day{width:35px;font-size:8px}.day span{height:35px}.attendance p{font-size:10px}.plant{font-size:54px;margin:0 0 12px}.attendance-action .primary{font-size:11px;width:100%;max-width:280px}.audio-bar{padding:9px;gap:6px;bottom:8px;flex-wrap:wrap}.audio-bar>div{font-size:10px;flex:1}.audio-bar>div>span{font-size:18px}.audio-bar audio{width:100%;order:3}.audio-bar button{order:2}.audio-bar>div{order:1}dialog{padding:25px}.avatars{gap:6px}.avatar{font-size:24px;padding:3px}footer p{font-size:9px}footer small{font-size:8px}}
/* Three clear sections, under the shared English is fun brand. */
[hidden]{display:none!important}.hero h1.section-title,.learning>.section-top h2,.attendance h2{font-size:30px;line-height:1.4;font-weight:800;letter-spacing:-1px;margin:8px 0 15px}.hero h1.section-title{color:#b56535}.learning>.section-top h2{color:#236350}.attendance h2{color:#366b9b}.hero{min-height:470px;padding:44px 0}.hero-copy{border-left:4px solid #e7b28a;padding-left:22px}.learning{border-top:3px solid #d8e4d0}.attendance{background:#eaf1f7;border-color:#d5e2ee}.attendance .eyebrow{color:#366b9b}.attendance .days .day.done span{background:#366b9b;border-color:#366b9b}.attendance .attendance-result{color:#366b9b}.level{flex-shrink:0}.level select{width:335px;max-width:100%;font-size:11px}.course-empty{text-align:center;padding:55px 20px;background:#f0f4e9;border:1px dashed #bdcdb1;border-radius:18px;margin:20px 0 30px}.course-empty>span{font-size:45px}.course-empty h3{font-size:20px}.course-empty p{color:var(--muted);font-size:12px;margin-bottom:22px}.word-card{font:inherit;color:var(--dark);cursor:pointer;position:relative;width:100%;transition:border .2s,box-shadow .2s}.word-card:hover,.word-card.playing{border-color:#7da77b;box-shadow:0 0 0 2px #7da77b22}.word-card .word-sound{position:absolute;top:5px;right:7px;color:var(--green);font-size:12px}.dictionary .audio-note{padding:12px 0 0;font-size:10px}.answers{margin:18px 0 0;border:1px solid #d6ddcf;border-radius:10px;overflow:hidden}.answers>summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#f0f4e9;color:#45643d;font-size:10px;font-weight:700;letter-spacing:.5px;cursor:pointer}.answers>summary::-webkit-details-marker{display:none}.answers[open]>summary{border-bottom:1px solid #d6ddcf}.answers>div{padding:14px 17px;background:#fffdf6;font-size:12px;line-height:1.9;color:#45533d}.answers p{font-size:12px;color:inherit;margin:7px 0}.answers h4{font-size:13px;margin:13px 0 6px}.answers .answer-origin{font-size:10px;color:#8a7654;padding:9px 12px;background:#f7efdc;border-radius:6px;margin:0 0 12px}.answers ol{margin:8px 0;padding-left:22px}.answers table{width:100%;border-collapse:collapse;font-size:11px}.answers td,.answers th{text-align:left;padding:7px;border-bottom:1px solid #e5e8dc}.answers th{color:var(--green)}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:950px){.level select{width:280px}.hero h1.section-title,.learning>.section-top h2,.attendance h2{font-size:26px}}
@media(max-width:650px){.hero{padding:30px 4px;gap:25px;min-height:0}.hero-copy{padding-left:14px}.hero h1.section-title,.learning>.section-top h2,.attendance h2{font-size:24px;letter-spacing:-.8px;margin:8px 0 12px}.learning>.section-top{display:block}.level{margin-top:18px}.level label{font-size:8px}.level select{width:100%;max-width:none;font-size:11px;padding:12px}.level small{font-size:9px}.learning>.section-top h2 span,.attendance h2 span{font-size:22px}.answers>div{padding:12px;font-size:11px}.answers p{font-size:11px}.answers td,.answers th{font-size:10px;padding:5px}.course-empty h3{font-size:17px}.course-empty p{font-size:11px}}

/* Shared section heading treatment. */
.hero h1.section-title,.learning>.section-top h2,.attendance h2{color:var(--green);text-transform:uppercase}.hero-copy .hero-intro{margin:0 0 25px}.hero-copy .dream-note{margin-top:18px}

#translationToggle{border:1px solid #cfdbc5;border-radius:6px;background:white;color:var(--green);font-size:9px;font-weight:600;letter-spacing:0;padding:4px 8px;line-height:1.4;white-space:nowrap}.dictionary .panel-label{align-items:center;gap:8px}.translation-hidden .word-card small{display:none}.translation-hidden .word-card{padding-bottom:13px}
/* Make the station name prominent beneath the shared brand. */
header .brand small{font-size:21px;font-weight:800;letter-spacing:1.4px;line-height:1.2;margin-top:7px;color:var(--green)}footer .brand small{font-size:17px;font-weight:800;letter-spacing:1.2px;line-height:1.3;margin-top:7px;color:var(--green)}
@media(max-width:950px){header .brand small{font-size:19px}}
@media(max-width:650px){header .brand small{font-size:17px;letter-spacing:1px;margin-top:6px}footer .brand small{font-size:16px}}

.attendance .week-range{font-size:11px;font-weight:600;color:var(--green);margin:16px 0 8px}.attendance .week-range + .days{margin-top:12px}.day.future{opacity:.5}.day>small{display:block;font-size:8px;line-height:1.3;margin-top:3px}.attendance .day.today>small{color:var(--green);font-weight:600}

/* Soft illustrated avatar atlas and dream scene. */
.avatar-sprite{display:block;width:64px;aspect-ratio:1;background-image:url('assets/zodiac-atlas-v2.webp');background-size:400% 300%;background-repeat:no-repeat;flex-shrink:0}.profile .profile-avatar{width:38px;height:38px}.profile{padding:5px 12px 5px 6px}.avatars{grid-template-columns:repeat(4,1fr);gap:9px}.avatar{display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 3px;background:#fafbf6;border-radius:14px}.avatar small{font-size:10px;font-weight:600;color:#617457}.avatar.selected{background:#e3edd8;box-shadow:0 0 0 2px #23635010}.hero-art{background:transparent;border-radius:0;height:430px;margin:0;display:grid;place-items:center}.dream-illustration{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 14px 12px #41502c0b)}dialog{max-height:92dvh;overflow-y:auto}
@media(max-width:950px){.hero-art{height:365px}}
@media(max-width:650px){.hero-art{height:330px;max-width:360px;width:100%;margin:0 auto}.profile .profile-avatar{width:32px;height:32px}.profile{padding:4px 8px 4px 4px}.avatars{gap:7px}.avatar{padding:5px 2px}.avatar-sprite{width:53px}.avatar small{font-size:9px}}
.hero-art{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr);min-width:0}.dream-illustration{min-width:0;min-height:0;max-width:100%;max-height:100%}

/* Keep program selection directly beneath the learning heading. */
.learning>.learning-top{display:block}.learning>.learning-top .level{margin:14px 0 12px;width:100%;max-width:520px}.learning>.learning-top .level label{font-size:18px;font-weight:700;letter-spacing:.4px;line-height:1.5;color:var(--green)}.learning>.learning-top .level select{width:100%;max-width:none;margin-top:8px;padding:12px 16px;font-size:13px;min-height:47px}.learning>.learning-top .level>small{font-size:10px;margin-top:6px}
#trackButtons{align-items:stretch}#trackButtons button{text-align:left;min-height:64px;padding:11px 14px;max-width:260px;line-height:1.6}#trackButtons button>span{display:block;font-size:11px;font-weight:600}#trackButtons button>small{display:block;font-size:10px;font-weight:400;line-height:1.6;margin:3px 0 0 13px;color:#6d8065}#trackButtons button.playing>small{color:#e3efdd}
@media(max-width:650px){.learning>.learning-top .level label{font-size:17px}.learning>.learning-top .level select{font-size:12px;padding:12px}#trackButtons{display:grid;grid-template-columns:1fr}#trackButtons button{max-width:none;width:100%}#trackButtons button>span{font-size:11px}#trackButtons button>small{font-size:10px}}

@media(max-width:650px){.lesson-nav{flex-wrap:wrap;row-gap:12px}.lesson-nav .extra-tabs{width:100%}.lesson-nav .extra-tabs button{flex:1;padding:8px 10px;font-size:10px}.lesson-nav .extra-tabs small{font-size:8px}#reviewTitle{font-size:20px}}

.oxford-origin{display:flex;align-items:center;gap:25px;background:#f2f5ec;border:1px solid #dce6d2;border-radius:13px;padding:19px 21px;margin:0 0 23px}.oxford-origin strong{font-size:13px;color:var(--green)}.oxford-origin p{font-size:11px;line-height:1.9;color:#718068;margin:5px 0 0}.origin-button{display:inline-flex;flex-shrink:0;align-items:center;text-align:center;font-size:10px;line-height:1.7;max-width:225px;background:#fff}.empty-actions{display:flex;justify-content:center;gap:12px;align-items:center;flex-wrap:wrap}.course-empty>p{max-width:580px;margin:12px auto 24px}.creator-credit{margin:23px auto 20px;max-width:570px}.creator-credit>p{font-size:11px;margin:4px 0;color:#78866f}.creator-credit>strong{display:block;font-size:16px;color:var(--green);margin:6px 0}.publisher-credit{max-width:660px;margin:auto;padding-top:18px;border-top:1px solid var(--line);font-size:10px;line-height:1.9}.publisher-credit>a{font-weight:600;color:var(--green)}.publisher-credit p{font-size:10px;margin:7px 0}.publisher-credit p a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.publisher-credit small{margin:8px 0 0;font-size:9px}
@media(max-width:650px){.oxford-origin{display:block;padding:16px}.oxford-origin strong{font-size:12px}.oxford-origin p{font-size:10px}.origin-button{margin-top:13px;max-width:none;padding:9px 12px}.creator-credit>strong{font-size:14px}.creator-credit>p{font-size:10px}.publisher-credit{font-size:9px}.publisher-credit p,.publisher-credit small{font-size:9px}}

.creator-credit>strong a{color:var(--green);text-underline-offset:4px}.creator-credit>strong a:hover{text-decoration:underline}.facebook-button{display:inline-flex;align-items:center;justify-content:center;padding:10px 17px;border:1px solid #bdcddf;border-radius:9px;background:#edf3fa;color:#365d85;font-size:11px;font-weight:600;margin:10px 0 0}.facebook-button:hover{background:#e2edf8}@media(max-width:650px){.facebook-button{font-size:10px;padding:10px 13px}}

/* Introduce the creator and original learning source at the top of the page. */
.site-intro{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;align-items:center;margin:26px 0 0;padding:23px 25px;background:#f2f5ed;border:1px solid #dce5d3;border-radius:15px;color:var(--dark)}.site-intro .creator-credit{margin:0;max-width:none}.site-intro .creator-credit>p{font-size:11px;line-height:1.8;margin:4px 0}.site-intro .creator-credit>strong{font-size:17px;margin:5px 0}.site-intro .publisher-credit{border-top:0;border-left:1px solid #d5e0cc;margin:0;padding:2px 0 2px 25px;max-width:none}.site-intro .publisher-credit>a{display:block;font-size:12px;line-height:1.8}.site-intro .publisher-credit p{font-size:11px;line-height:1.8;margin:8px 0}.site-intro .publisher-credit small{display:block;font-size:10px;line-height:1.8;color:#87917e;margin-top:8px}.site-intro a:hover{text-decoration:underline;text-underline-offset:3px}
@media(max-width:650px){.site-intro{grid-template-columns:1fr;gap:18px;padding:19px 17px;margin-top:20px}.site-intro .creator-credit>strong{font-size:16px}.site-intro .creator-credit>p{font-size:10px}.site-intro .publisher-credit{border-left:0;border-top:1px solid #d5e0cc;padding:16px 0 0}.site-intro .publisher-credit>a{font-size:11px}.site-intro .publisher-credit p{font-size:10px}.site-intro .publisher-credit small{font-size:9px}}

#levelTranslation{font-size:12px;font-weight:600;color:var(--green);line-height:1.6;margin:7px 0 2px}.learning>.learning-top .level select{font-size:12px}@media(max-width:650px){#levelTranslation{font-size:11px}.learning>.learning-top .level select{font-size:11px}}

/* Full curriculum, one vertical learning flow. */
.unit-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.unit{min-width:0;padding:12px;gap:9px}.unit small{font-size:9px;line-height:1.5;max-width:180px}.unit-num{font-size:19px}.lesson-nav{flex-wrap:wrap}.lesson-nav #letters{flex-wrap:wrap;flex:1;min-width:0}.letter-tab{min-width:60px;padding:0 13px;font-size:21px}.video-panel video{aspect-ratio:16/9;background:#eff0e9}.video-options{display:flex;gap:7px;flex-wrap:wrap;padding:8px 12px}.video-options:empty{display:none}.video-options .active{background:var(--green);color:white}.video-caption{padding:10px 14px}.media-error{font-size:12px;color:#a14226;padding:12px}.media-error button{border:1px solid #bf7e60;border-radius:6px;background:white}.book-pages{margin-top:16px}.review-pages{display:block;max-width:650px;margin:20px auto 0}.story-guide>p{font-size:11px;color:var(--muted)}.word-card{padding:8px 7px 12px}.word-card img{height:120px}.word-card b{font-size:16px}.word-card small{display:block;font-size:12px}.vocab-play{font-size:12px;padding:12px}.dictionary{padding:0 14px 14px}.dictionary .audio-note{font-size:11px;line-height:1.7}.parent-guide,.parent-guide b{font-size:13px}.parent-guide div div,.parent-guide div div b{font-size:11px}.audio-buttons button{text-align:left;font-size:11px}.audio-buttons button small{display:block;font-weight:400;font-size:10px;margin-top:4px}.sound-tag{max-width:35%;text-align:center}.site-intro .publisher-credit{font-size:11px}
@media(max-width:950px){.unit-nav{grid-template-columns:repeat(3,minmax(0,1fr))}.media-grid{grid-template-columns:1fr 1fr}.word-card img{height:105px}}
@media(max-width:650px){.unit-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.unit{width:100%;min-width:0;padding:10px}.unit small{font-size:9px}.lesson-shell{padding:0 14px 18px}.lesson-nav{display:block}.lesson-nav #letters{gap:7px;margin-bottom:12px}.letter-tab{font-size:20px;height:47px;min-width:54px;padding:0 10px}.media-grid{grid-template-columns:1fr}.word-card img{height:135px}.word-card b{font-size:17px}.sound-tag{font-size:10px;padding:8px;max-width:40%}.parent-guide{padding:14px;font-size:12px}.parent-guide div div,.parent-guide div div b{font-size:11px}.book-pages{grid-template-columns:1fr}.extra-tabs{display:flex;width:100%}.story-layout{padding:14px}.learning>.section-top h2{font-size:24px}.section-top{align-items:flex-start}.section-top .primary{padding:12px;font-size:10px;white-space:nowrap}header .brand{font-size:18px}.story-guide h4{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.word-card:not(button){cursor:default}.word-card:not(button):hover{box-shadow:none;border-color:#eeeede}#extraVocab:empty{display:none}

/* Consistent Vietnamese headings, without synthetic heavy weights or tight tracking. */
.hero h1.section-title,.learning>.learning-top h2,.attendance h2,header .brand small,footer .brand small{font-family:'Nunito',Arial,sans-serif;font-weight:700;font-style:normal;letter-spacing:0;line-height:1.4;font-synthesis:none;text-rendering:optimizeLegibility}
.hero h1.section-title,.learning>.learning-top h2,.attendance h2{font-size:30px}
header .brand small{font-size:21px;letter-spacing:.3px}footer .brand small{font-size:18px;letter-spacing:.3px}
@media(max-width:650px){.hero h1.section-title,.learning>.learning-top h2,.attendance h2{font-size:24px;letter-spacing:0}header .brand small{font-size:17px}}

/* Preserve the video's native ratio and prevent enlargement beyond its pixels. */
.video-panel video{height:auto;aspect-ratio:auto;margin-inline:auto;object-fit:contain}

.install-app{display:flex;gap:16px;align-items:center;flex-wrap:wrap;max-width:1184px;margin:0 auto 30px;padding:20px 24px;border:1px solid var(--line);border-radius:14px;background:#f2f5ee}.install-app>div{flex:1;min-width:220px}.install-app b{font-family:Nunito,Arial,sans-serif;font-size:17px}.install-app p{font-size:12px;color:var(--muted);margin:5px 0}.install-app #installHint{width:100%;color:var(--green)}@media(max-width:650px){.install-app{margin:0 20px 24px;padding:18px}.install-app button{width:100%}}@media(display-mode:standalone){.install-app{display:none!important}}