:root{--navy:#10394f;--ink:#163448;--muted:#738696;--teal:#168e9e;--teal-dark:#087789;--orange:#fa9662;--bg:#f5f8fa;--line:#e2eaf0;--card:#fff;--soft:#eaf7f6;--shadow:0 8px 34px rgba(34,69,89,.06);font-family:"Be Vietnam Pro",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #54b2c2;outline-offset:3px}a{text-decoration:none;color:inherit}.boot{padding:40px;text-align:center}.layout{min-height:100vh;display:grid;grid-template-columns:258px minmax(0,1fr)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:27px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{display:flex;align-items:center;gap:11px;padding:4px 10px 29px}.brand-icon{width:45px;height:45px;display:grid;place-items:center;background:var(--navy);border-radius:14px;color:#fff;font-weight:900;font-size:23px;letter-spacing:-2px}.brand-title{font-weight:850;line-height:1.15;letter-spacing:-.7px;font-size:19px}.brand-caption{font-size:10px;letter-spacing:1.4px;color:var(--muted);font-weight:700;margin-top:6px}.nav-label{font-size:10px;text-transform:uppercase;letter-spacing:1.4px;font-weight:850;color:#a2b0bd;padding:0 15px 11px}.nav{display:grid;gap:6px}.nav-link{border:0;background:transparent;display:flex;align-items:center;gap:13px;padding:13px 14px;border-radius:12px;color:#667d8d;font-weight:650;font-size:13px;text-align:left;width:100%}.nav-link:hover{background:#f2f7f9}.nav-link.active{background:#e4f4f2;color:#087d84}.nav-emoji{font-size:19px;width:24px;text-align:center}.nav-count{margin-left:auto;background:#d1eae7;color:#087b81;border-radius:7px;font-size:10px;padding:3px 7px}.sidebar-bottom{margin-top:auto;padding:20px 8px 4px}.mini-callout{background:#edf7f5;border-radius:14px;padding:16px;font-size:12px;line-height:1.7}.mini-callout b{display:block;font-size:13px;margin-bottom:5px}.mini-illustration{font-size:32px;display:block;margin-bottom:9px}.sidebar-meta{font-size:10px;color:#9eafba;text-align:center;line-height:1.7;margin-top:18px}.main{min-width:0;padding:0 34px 55px}.topbar{height:90px;display:flex;justify-content:space-between;gap:16px;align-items:center;border-bottom:1px solid var(--line)}.topbar-left{display:flex;gap:9px;align-items:center;min-width:0}.eyebrow{font-size:11px;text-transform:uppercase;font-weight:850;color:#8b9eab;letter-spacing:1.5px}.topbar-label{font-size:13px;color:var(--muted)}.topbar-right{display:flex;gap:12px;align-items:center}.demo-label{font-size:10px;color:#ae6645;background:#fff0e7;padding:8px 10px;border-radius:10px;font-weight:800;letter-spacing:.5px}.avatar{width:38px;height:38px;border-radius:50%;background:#fbe9d9;color:#bb6d3f;display:grid;place-items:center;font-weight:850}.content{max-width:1170px;margin:0 auto}.heading{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:26px 0 18px}.heading h1{font-size:29px;letter-spacing:-1.1px;line-height:1.2;margin:0 0 8px;font-weight:850}.heading p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}.tracks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:23px 0}.track{background:#fff;border:1.5px solid var(--line);border-radius:15px;text-align:left;padding:15px;display:flex;gap:9px;align-items:center;min-width:0;transition:transform .2s,border-color .2s,box-shadow .2s}.track:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.track.selected{border-color:#1aa0a7;background:#effbfa;box-shadow:0 0 0 2px #bfe8e8 inset}.track-icon{width:42px;height:42px;border-radius:12px;background:#f2f6fa;display:grid;place-items:center;flex-shrink:0;font-size:22px}.track.selected .track-icon{background:#daf2f0}.track strong{display:block;font-size:13px}.track small{display:block;font-size:11px;color:#8a9ca7;margin-top:4px}.hero{background:linear-gradient(117deg,#0d455e 0%,#126a77 68%,#168d91 100%);color:white;border-radius:22px;padding:30px 38px;display:flex;gap:26px;justify-content:space-between;align-items:center;position:relative;overflow:hidden;min-height:220px}.hero:before{content:"";position:absolute;width:320px;height:320px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-60px;top:-140px}.hero:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:60px;top:70px}.hero-content{max-width:570px;position:relative;z-index:1}.hero-tag{font-size:11px;color:#b8e8e6;letter-spacing:1px;font-weight:850;margin-bottom:13px;text-transform:uppercase}.hero h2{font-size:28px;letter-spacing:-.7px;line-height:1.35;margin:0 0 11px}.hero p{font-size:13px;line-height:1.8;opacity:.82;margin:0 0 22px}.hero-art{position:relative;z-index:1;min-width:150px;display:grid;place-items:center}.hero-emoji{font-size:95px;filter:drop-shadow(0 12px 18px rgba(0,0,0,.16))}.hero-spark{position:absolute;right:0;top:-15px;font-size:30px}.btn{border-radius:10px;border:1px solid transparent;padding:11px 16px;font-weight:800;font-size:12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;transition:background .2s,transform .2s}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn-white{background:white;color:#0b5966}.btn-teal{background:var(--teal);color:white}.btn-teal:hover{background:var(--teal-dark)}.btn-outline{background:#fff;border:1px solid #d9e5e8;color:#32576a}.btn-ghost{background:#eff5f6;color:#3c6978}.btn-orange{background:#ff9362;color:white}.btn-sm{padding:7px 12px;min-height:34px;font-size:11px}.btn-lg{padding:14px 21px;font-size:14px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px;margin:19px 0 30px}.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:0 3px 12px rgba(24,58,80,.018)}.stat-top{display:flex;justify-content:space-between;align-items:center;gap:5px}.stat-label{font-size:12px;color:#738896;font-weight:600}.stat-icon{border-radius:10px;background:#f1f7f7;width:33px;height:33px;display:grid;place-items:center;font-size:16px}.stat-value{font-weight:850;font-size:27px;letter-spacing:-.7px;margin:12px 0 1px}.stat-note{font-size:11px;color:#9aabb5}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:21px 0 13px}.section-heading h2{font-size:17px;margin:0;letter-spacing:-.4px}.section-heading p{font-size:12px;color:var(--muted);margin:5px 0 0}.link-btn{border:0;background:transparent;font-size:12px;font-weight:800;color:#178e95;padding:9px 0}.deck-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.deck{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px;display:flex;gap:15px;min-width:0}.deck-icon{background:#f4f6fa;width:56px;height:56px;display:grid;place-items:center;flex-shrink:0;border-radius:16px;font-size:28px}.deck-main{flex:1;min-width:0}.deck-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.deck h3{font-size:14px;line-height:1.4;margin:0}.chip{background:#eaf4f8;color:#4c8794;border-radius:7px;font-size:10px;font-weight:750;padding:4px 7px}.deck p{font-size:11px;color:var(--muted);line-height:1.65;margin:6px 0 11px;min-height:32px}.deck-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.deck-meta{color:#91a0aa;font-size:11px}.progress-bar{height:6px;border-radius:5px;background:#e8eff2;overflow:hidden;margin:9px 0 12px}.progress-fill{height:100%;background:linear-gradient(90deg,#21b1aa,#5cd0b7);border-radius:5px}.split-row{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;margin-top:28px}.panel{background:#fff;border:1px solid var(--line);border-radius:17px;padding:21px}.panel h3{font-size:14px;margin:0 0 13px}.panel p{font-size:12px;color:var(--muted);line-height:1.7}.tip-grid{display:grid;gap:11px}.tip{display:flex;align-items:start;gap:10px;font-size:12px;line-height:1.6}.tip-icon{width:31px;height:31px;display:grid;place-items:center;flex-shrink:0;border-radius:10px;background:#f5f8fa;font-size:16px}.surface-note{background:#f3faf9;border-radius:13px;padding:15px;font-size:12px;line-height:1.75;color:#3f7180}.filter-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:20px 0}.select,.search-input,.text-input{height:42px;border:1px solid #d8e5e8;background:white;border-radius:11px;padding:0 13px;font-size:12px;color:#2d5363;min-width:150px}.search-input{width:min(100%,310px)}.filter-set{display:flex;gap:10px;flex-wrap:wrap}.empty{padding:44px 25px;text-align:center;border:1px dashed #b9d3d8;border-radius:16px;background:white;margin-top:12px}.empty-icon{font-size:45px}.empty h3{margin:12px 0 6px;font-size:17px}.empty p{font-size:12px;line-height:1.8;color:var(--muted);max-width:430px;margin:0 auto 18px}.session-wrap{max-width:720px;margin:0 auto}.session-nav{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:22px 0}.session-count{font-size:12px;color:var(--muted);font-weight:650}.session-progress{height:8px;border-radius:8px;background:#e1ebed;overflow:hidden;margin-bottom:24px}.session-progress>div{height:100%;background:#2cb3aa;transition:width .25s}.flashcard{background:white;border:1px solid #e1eaf0;border-radius:23px;box-shadow:var(--shadow);padding:26px 40px;min-height:330px;text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;position:relative}.flashcard:before{content:"";position:absolute;width:52px;height:5px;background:#d7f0ee;border-radius:6px;top:18px}.card-subtitle{font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:#90a5ae;font-weight:800;margin-bottom:25px}.word{font-weight:900;font-size:48px;letter-spacing:-1.5px;color:#0b5069;overflow-wrap:anywhere;line-height:1.15}.speak{margin:18px auto 6px;background:#effaf9;border:0;border-radius:50%;width:44px;height:44px;font-size:19px;color:#148c96}.flashcard-hint{font-size:12px;color:#9aabb5;margin:20px auto 0}.revealed{animation:fadeIn .16s ease}.word-meaning{font-size:23px;font-weight:780;color:#18384a;margin:16px 0}.word-example{font-size:14px;line-height:1.8;color:#587383;max-width:450px}.word-note{margin-top:11px;font-size:12px;color:#248f94;background:#f0faf8;border-radius:9px;padding:8px 12px}.session-actions{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:18px}.rating-btn{flex:1;min-width:108px;background:#fff;border:1px solid #dce7eb;border-radius:12px;padding:13px 10px;display:grid;gap:5px;text-align:center}.rating-btn strong{font-size:13px}.rating-btn small{font-size:10px;color:#8ca0ad}.rating-btn.again{border-color:#f3d2cc}.rating-btn.good{border-color:#a5dbd4;background:#effaf8}.rating-btn.easy{border-color:#e8d9bb}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.option{background:white;border:1.5px solid #dce6ec;border-radius:13px;text-align:left;padding:15px;display:flex;align-items:center;gap:10px;font-size:13px;min-height:66px;line-height:1.45}.option:hover:not(:disabled){border-color:#40acae}.option.selected.correct,.option.correct{background:#e7f8ef;border-color:#44b789;color:#1a684f}.option.selected.wrong{background:#fff0ed;border-color:#e49a89;color:#a54a3d}.option-letter{font-size:10px;font-weight:800;background:#eef4f6;border-radius:7px;width:23px;height:23px;flex-shrink:0;display:grid;place-items:center}.feedback{padding:14px 17px;border-radius:12px;margin-top:17px;font-size:12px;line-height:1.8;background:#f1f9f8;color:#356577}.feedback.wrong{background:#fff2ed;color:#8b5748}.report-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.chart{display:flex;gap:10px;align-items:end;height:154px;padding:18px 0 0;justify-content:space-between}.chart-col{flex:1;text-align:center;color:#8aa0ac;font-size:10px}.chart-bar{height:118px;display:flex;align-items:end;justify-content:center;padding:0 5px}.chart-bar span{width:100%;max-width:39px;min-height:4px;background:linear-gradient(180deg,#2bbab4,#a7e2d8);border-radius:6px 6px 3px 3px}.chart-label{margin-top:6px}.insight-rows{display:grid;gap:10px;margin-top:15px}.insight-row{display:flex;justify-content:space-between;border-bottom:1px solid #f0f3f5;padding-bottom:11px;font-size:12px;gap:10px}.insight-row:last-child{border-bottom:0}.insight-row span{color:#79909c}.muted{color:var(--muted)}.small{font-size:11px}.warning{font-size:11px;background:#fff5e9;color:#925933;border:1px solid #f9e5d1;padding:10px 13px;border-radius:10px;line-height:1.65}.profile-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.setting-label{font-size:12px;font-weight:750;display:block;margin-bottom:9px}.footer{margin-top:34px;color:#9aabb7;font-size:11px;line-height:1.8;text-align:center}.mobile-nav{display:none}.toast{position:fixed;bottom:20px;right:22px;background:#123d50;color:#fff;border-radius:12px;padding:12px 17px;box-shadow:var(--shadow);font-size:12px;z-index:5;max-width:min(380px,90vw)}@keyframes fadeIn{from{opacity:.3;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.primary-mode .hero{background:linear-gradient(112deg,#0a7489,#25a7a0)}.primary-mode .hero-emoji{font-size:100px}.primary-mode .flashcard{background:radial-gradient(circle at 15% 15%,#f8ffff,transparent 45%),#fff}.primary-mode .word{color:#0c8494}.primary-mode .flashcard-hint{font-size:13px}@media(max-width:1100px){.main{padding:0 22px 48px}.sidebar{width:228px}.layout{grid-template-columns:228px minmax(0,1fr)}.hero{padding:26px}.deck-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tracks{gap:8px}.track{padding:11px 9px;gap:7px}.track-icon{width:33px;height:35px;font-size:18px}.track strong{font-size:12px}}@media(max-width:850px){.layout{display:block}.sidebar{display:none}.main{padding:0 17px 95px}.topbar{height:68px}.tracks{grid-template-columns:repeat(2,minmax(0,1fr));margin:16px 0}.hero{min-height:200px}.hero h2{font-size:24px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;bottom:0;right:0;padding:6px 5px calc(6px + env(safe-area-inset-bottom));border-top:1px solid #dce7e9;background:rgba(255,255,255,.97);z-index:4;backdrop-filter:blur(14px)}.mobile-nav button{border:0;background:transparent;padding:7px 2px;color:#8194a2;font-size:10px;display:grid;gap:4px;place-items:center;font-weight:730}.mobile-nav button.active{color:var(--teal-dark)}.mobile-nav .nav-emoji{font-size:21px}.toast{bottom:90px}.report-grid{grid-template-columns:1fr}}@media(max-width:570px){.main{padding:0 13px 96px}.heading{margin:22px 0 13px}.heading h1{font-size:24px}.heading p{font-size:12px}.topbar-label{display:none}.topbar-right{gap:8px}.demo-label{font-size:9px;padding:7px}.tracks{gap:9px}.track strong{font-size:12px}.track small{font-size:10px}.hero{padding:24px 21px;min-height:210px}.hero h2{font-size:23px}.hero-art{display:none}.hero p{font-size:12px}.stats-grid{gap:9px;margin:13px 0 22px}.stat{padding:15px}.stat-value{font-size:23px}.stat-label{font-size:11px}.deck-grid{grid-template-columns:1fr}.deck{padding:16px}.deck p{min-height:0}.split-row{grid-template-columns:1fr;margin-top:18px}.flashcard{padding:27px 20px;min-height:310px}.word{font-size:42px}.quiz-options{grid-template-columns:1fr;gap:9px}.session-actions{gap:7px}.rating-btn{min-width:90px;padding:11px 6px}.rating-btn small{font-size:9px}.filter-row{align-items:stretch}.filter-set{width:100%}.search-input{width:100%}.select{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
[hidden]{display:none!important}

.primary-word-art{font-size:53px;line-height:1;margin:0 0 14px}.primary-mode .word{font-size:42px}

/* V0.3A Curriculum edition selector */
.school-filters{display:grid;grid-template-columns:2fr 1fr;gap:15px}.school-select{width:100%;min-width:0}@media(max-width:570px){.school-filters{grid-template-columns:1fr}}

/* V0.3B Vocabulary Learning Engine */
.lab-filter{display:grid;grid-template-columns:1.3fr 1fr;column-gap:14px;row-gap:8px;align-items:end;margin-bottom:17px}
.lab-filter .setting-label{grid-row:1}
.lab-filter .select{width:100%;min-width:0}
.lab-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(114deg,#edf9f8,#fff);margin-bottom:17px}
.lab-kicker{letter-spacing:1.4px;text-transform:uppercase;font-size:10px;font-weight:800;color:#168a96}
.lab-main-word{font-size:43px;font-weight:850;letter-spacing:-1.5px;margin:12px 0 6px;color:#10475b;overflow-wrap:anywhere}
.lab-hero p{font-size:15px;font-weight:650;color:#456879;margin-bottom:18px}
.lab-illustration{font-size:58px;flex-shrink:0;background:#e3f6f2;min-width:108px;min-height:108px;border-radius:25px;display:grid;place-items:center}
.lab-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin:17px 0}
.lab-grid>.panel{margin:0}
.lab-example{font-size:17px;color:#174b5d;font-weight:600;line-height:1.8}
.lab-tokens{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.lab-token{border:1px solid #d0e9e6;background:#eef9f7;border-radius:9px;padding:9px 11px;color:#156674;font-size:12px;font-weight:650}
.lab-skill-chip{display:inline-flex;padding:7px 10px;background:#f0f6fa;color:#31637a;border-radius:9px;font-size:11px}
.lab-challenge{text-align:center;padding:33px 30px}
.lab-challenge h2{font-size:25px;color:#123e56;margin:7px 0}
.lab-question-icon{font-size:44px}
.lab-challenge p{line-height:1.7}
.lab-context{background:#f1faf8;border-radius:14px;padding:22px;font-size:20px;font-weight:700;color:#174959}
.lab-hint{background:#fff8e7;border:1px solid #f0dca9;border-radius:10px;padding:12px;margin:12px auto;color:#815c2d;font-size:13px;max-width:420px}
.lab-challenge form{display:grid;gap:10px;text-align:left;max-width:440px;margin:22px auto 0}
.lab-answer{font-size:17px;text-align:center;font-weight:650;min-height:54px}
.lab-challenge form>.btn{justify-self:center;min-width:185px}
.lab-skill-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.lab-skill-stat{padding:17px;border-radius:12px;background:#f5fafb;display:grid;gap:7px}
.lab-skill-stat strong{font-size:12px}.lab-skill-stat div{font-size:22px;font-weight:800;color:#154e65}
@media(max-width:680px){.lab-filter{grid-template-columns:1fr}.lab-filter .setting-label{grid-row:auto}.lab-grid{grid-template-columns:1fr}.lab-hero{padding:20px}.lab-main-word{font-size:35px}.lab-illustration{font-size:37px;min-width:70px;min-height:80px}.lab-skill-grid{grid-template-columns:1fr}.lab-challenge{padding:26px 16px}.lab-context{font-size:17px}}

/* V0.3C — Vocabulary in context */
.context-picker{display:grid;grid-template-columns:minmax(0,1fr) 1.55fr;gap:15px;align-items:end;margin-bottom:18px}
.context-picker .select{width:100%;min-width:0}.context-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:18px;align-items:start}.context-layout>.panel,.context-side>.panel{margin:0}.context-side{display:grid;gap:18px}.context-lesson-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}.context-lesson-head h2{font-size:22px;margin:8px 0}.context-emoji{font-size:32px;background:#eff9f7;border-radius:15px;padding:11px}.context-mode-tabs{display:flex;gap:9px;margin:12px 0 21px;flex-wrap:wrap}.context-story{font-size:17px;line-height:2.15;background:#f7fbfa;border:1px solid #dcece9;border-radius:16px;padding:24px;color:#20485e;margin-bottom:11px}.context-keyword{border:0;border-bottom:2px solid #2aa9a6;background:#e2f8ee;padding:1px 3px;border-radius:4px;color:#095d67;font-weight:800;cursor:pointer;font:inherit}.context-keyword:hover,.context-keyword:focus-visible{outline:2px solid #0c9b9c;outline-offset:2px}.context-quiz-title{margin:25px 0 14px}.context-question{border-top:1px solid #e3edef;padding:16px 0}.context-qtitle{font-size:14px;font-weight:760;color:#224558;margin-bottom:10px}.context-options{display:grid;gap:8px}.context-option{width:100%;display:flex;align-items:center;gap:12px;text-align:left;border:1px solid #dfe9ed;border-radius:11px;background:white;color:#28495a;font:inherit;padding:12px 14px;cursor:pointer}.context-option span{display:grid;place-items:center;background:#edf4f6;border-radius:7px;min-width:24px;height:24px;font-size:11px;font-weight:850}.context-option.answer-correct{border-color:#76c2a0;background:#e9f8ee}.context-option.answer-wrong{border-color:#e6aaa0;background:#fff2ee}.context-option:disabled{cursor:default}.context-feedback{font-size:12px;color:#367581;margin-top:9px}.context-listening{background:#f2f9fb;border:1px solid #d7e9ed;padding:24px;border-radius:15px;display:grid;justify-items:start;gap:12px}.context-listening h3{margin:0}.context-listening p{margin:0}.context-transcript{background:#fff;border-radius:10px;padding:18px;line-height:1.85;color:#234d5b}.context-word-panel h2{font-size:26px;color:#13566a;overflow-wrap:anywhere}.context-word-panel p{line-height:1.7}.context-nums{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:18px 0}.discovered-form{display:grid;gap:15px;margin-top:18px}.discovered-form label{display:grid;gap:8px;font-size:12px;font-weight:750}.discovered-form input,.discovered-form textarea{width:100%;min-width:0}.discovered-list{display:grid;gap:12px;margin-top:18px}.discovered-item{border:1px solid #e0ecee;background:#fff;border-radius:13px;padding:16px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:13px;align-items:center}.discovered-item h3{color:#164e62;margin:0 0 5px}.discovered-item p{margin:3px 0 7px}.discovered-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.resource-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.resource-card{margin:0!important;display:grid;align-content:start;gap:13px}.resource-card .surface-note{margin:0}.resource-top{display:flex;justify-content:space-between;gap:11px;align-items:start}.resource-top h3{margin:5px 0}.resource-meta{display:flex;gap:6px 13px;flex-wrap:wrap;color:#67828d;font-size:11px}.resource-card a.btn{display:inline-flex;width:max-content;max-width:100%;text-decoration:none;margin-top:6px}.context-story,.discovered-item{overflow-wrap:anywhere}
@media(max-width:1100px){.context-layout{grid-template-columns:minmax(0,1fr)}.context-side{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.context-picker{grid-template-columns:1fr}.context-side{grid-template-columns:1fr}.context-story{font-size:15px;line-height:2.05;padding:16px}.context-lesson-head{align-items:start}.context-lesson-head h2{font-size:20px}.resource-list{grid-template-columns:1fr}.discovered-item{grid-template-columns:1fr}.discovered-actions{justify-content:flex-start}}

/* V0.3D — Our English World */
.family-hero{border-radius:22px;padding:30px;background:linear-gradient(115deg,#0b5064,#0f8490 72%,#1c9a91);color:white;box-shadow:0 12px 30px rgba(9,86,100,.12)}
.family-hero-top{display:flex;align-items:center;justify-content:space-between;gap:20px}
.family-eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:1.35px;font-weight:850;color:#4d9a9c}
.family-hero .family-eyebrow{color:#b4ece2}.family-hero h2{font-size:28px;line-height:1.2;letter-spacing:-.5px;margin:12px 0}.family-hero p{font-size:13px;line-height:1.7;max-width:600px;color:#e1f4f1}.family-hero-symbol{font-size:92px;flex-shrink:0}
.family-statrow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:17px}.family-statrow>div{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.17);border-radius:13px;padding:14px 16px;display:grid;gap:7px}.family-statrow strong{font-size:24px}.family-statrow span{font-size:11px;color:#e3f6f1}
.family-controls{display:grid;grid-template-columns:1.5fr 1fr;gap:18px;margin-top:18px}.family-controls>div{min-width:0}.family-controls label{display:block;margin-bottom:8px}.family-controls select{min-width:0;width:100%}
.family-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(240px,.82fr);gap:18px;align-items:start}.family-left,.family-right{display:grid;gap:18px;min-width:0}.family-right .panel,.family-left .panel{margin:0}.family-right h3{margin-top:0}.family-right p{line-height:1.75}
.family-map{overflow:hidden}.family-map-top{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-bottom:20px}.family-map-top h2{margin:7px 0 6px;font-size:21px}.family-map-top p{font-size:12px;color:var(--muted);margin:0}.family-week-pill{flex-shrink:0;font-size:10px;background:#eaf7f5;border-radius:24px;color:#287c82;padding:8px 11px;font-weight:750}
.family-world{position:relative;overflow:hidden;border-radius:18px;border:1px solid #cdebe6;background:linear-gradient(#c9eff2 0%,#edf9f3 70%);min-height:240px;padding:15px 15px 0}.world-sky{display:flex;justify-content:space-between;opacity:.75;font-size:25px}.world-scene{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;align-items:end;min-height:160px}.world-stop{display:flex;flex-direction:column;align-items:center;justify-content:end;gap:8px;min-width:0;z-index:1}.world-stop>span:last-child{font-size:11px;font-weight:800;color:#336b67;text-align:center;min-height:29px}.world-stop.locked{opacity:.45;filter:grayscale(.7)}.world-symbol{font-size:48px;filter:drop-shadow(0 8px 3px rgba(4,110,85,.1))}.world-grass{position:absolute;bottom:-6px;left:0;right:0;text-align:center;font-size:18px;letter-spacing:28px;opacity:.7;white-space:nowrap}.family-map-bottom{display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap;color:#69838b;font-size:11px;margin-top:15px}.family-map-bottom span:first-child{font-weight:850;color:#128b8a}
.family-section-heading{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}.family-section-heading h2{font-size:21px;margin:0}.family-section-heading>span{font-size:11px;background:#ecf7f2;color:#138177;border-radius:9px;padding:8px;font-weight:800}.family-mission{display:grid;grid-template-columns:38px minmax(0,1fr) 24px;gap:12px;align-items:start;padding:17px 0;border-top:1px solid #e7eef0}.family-mission strong{font-size:13px;color:#1f4557}.family-mission p{font-size:12px;line-height:1.75;color:#6d8491;margin:7px 0 10px}.mission-icon{font-size:22px;background:#ebf8f5;border-radius:10px;display:grid;place-items:center;height:38px}.mission-check{font-size:21px;color:#77ad9c}.mission-progress{font-size:11px;color:#15857b;font-weight:800;display:block;margin-top:8px}.family-inline{display:flex;gap:8px;flex-wrap:wrap}
.family-role-intro{display:flex;align-items:center;gap:10px;background:#f2faf8;border-radius:12px;padding:12px}.family-role-intro>span{font-size:33px}.family-role-intro strong{font-size:13px}.family-role-intro p{font-size:11px;margin:3px 0 0}.family-log{display:grid;gap:8px}.family-log>div{display:flex;justify-content:space-between;gap:12px;background:#f7fbfb;border-radius:10px;padding:11px;font-size:11px}.family-log strong{color:#0e8581}.family-overview-banner{display:flex;gap:15px;align-items:center;background:#e8f7f4;border-radius:17px;border:1px solid #caebe5;padding:17px;margin:0 0 24px}.family-overview-banner>div{flex:1}.family-overview-banner strong{color:#14636a;font-size:14px}.family-overview-banner p{color:#54777e;font-size:12px;line-height:1.65;margin:5px 0 0}.family-overview-emoji{font-size:31px}
.family-gamehead{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:#72888d;margin:10px 0 22px}.family-battle-panel{max-width:780px;margin:0 auto!important;padding:30px}.family-round{display:flex;justify-content:space-between;gap:15px;color:#6b838d;font-size:12px}.family-turn-banner{text-align:center;margin:21px auto 12px;background:#e9f8f4;color:#116a74;border-radius:30px;padding:12px;font-weight:850;width:max-content;max-width:100%}.family-quizword{text-align:center;font-size:47px;font-weight:900;color:#0b586b;margin:20px 0 8px;overflow-wrap:anywhere}.family-question{text-align:center;color:#60798c;margin-bottom:26px;font-size:13px}.family-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.family-option{display:flex;text-align:left;gap:12px;align-items:center;padding:14px 15px;background:#fff;border-radius:12px;border:1px solid #dfe9ee;font:inherit;color:#254a60;min-height:59px;font-size:13px;font-weight:650}.family-option span{background:#eff7f7;display:grid;place-items:center;min-width:28px;height:28px;border-radius:8px;color:#427b86;font-weight:800}.family-option.is-correct{background:#e5f8ec;border-color:#6bc391;color:#165b43}.family-option.is-wrong{background:#fff0ed;border-color:#e8ad9d;color:#8a4136}.family-feedback{background:#f0f9f2;border-radius:12px;padding:15px;margin-top:18px;font-size:13px}.family-next{text-align:center;margin:20px 0 12px}.family-counts{text-align:center;color:#8a9aa5;font-size:11px;margin-top:18px}.family-finish{max-width:720px;text-align:center;margin:auto!important;padding:38px}.family-finish-emoji{font-size:53px}.family-finish h2{font-size:24px}.family-score{display:flex;justify-content:space-around;align-items:center;gap:14px;margin:25px 0}.family-score>div{display:grid;gap:8px;flex:1;background:#eef8f6;border-radius:15px;padding:18px}.family-score strong{font-size:29px;color:#116f7c}.family-score>div span{font-size:13px}.family-score .vs{font-weight:900;color:#79929d}.family-callout{background:#fff4e9;padding:14px;border-radius:10px;color:#a16b3c;font-size:12px;margin:15px auto 20px}
@media(max-width:1080px){.family-layout{grid-template-columns:1fr}.family-right{grid-template-columns:repeat(2,minmax(0,1fr))}.family-right>.panel:last-child{grid-column:1/-1}}
@media(max-width:700px){.family-controls{grid-template-columns:1fr}.family-hero{padding:23px}.family-hero h2{font-size:24px}.family-hero-symbol{font-size:54px}.family-right{grid-template-columns:1fr}.family-right>.panel:last-child{grid-column:auto}.family-week-pill{display:none}.family-overview-banner{flex-wrap:wrap}.family-overview-banner>button{width:100%}.family-world{min-height:200px}.world-scene{min-height:124px}.world-symbol{font-size:38px}.family-battle-panel{padding:18px}.family-quizword{font-size:35px}}
@media(max-width:490px){.family-statrow{gap:6px}.family-statrow>div{padding:11px 9px}.family-statrow strong{font-size:20px}.family-statrow span{font-size:9px}.world-stop>span:last-child{font-size:9px}.world-symbol{font-size:30px}.family-options{grid-template-columns:1fr}.family-round{font-size:10px}.family-mission{grid-template-columns:32px minmax(0,1fr) 20px;gap:9px}.mission-icon{height:32px;font-size:19px}.family-score>div{padding:12px 5px}.family-score strong{font-size:22px}}

/* V0.3E Parent / Child Zone shells. This is NOT an authorization layer. */
.zone-switch-sidebar{margin:0 8px 18px;border:1px solid #d8e9e8;background:#f1faf8;border-radius:13px;padding:11px;display:grid;gap:9px}.zone-switch-sidebar>span{font-size:11px;font-weight:850;color:#195965}.zone-switch-sidebar .btn{white-space:normal;text-align:center;line-height:1.5}.zone-switch-compact{white-space:nowrap}.zone-security-note{padding:11px 13px;border:1px solid #e6dfc2;background:#fffaf0;border-radius:11px;color:#7f663a;font-size:11px;line-height:1.6;margin-bottom:18px}.zone-security-note strong{color:#745a2e}.parent-hero{background:linear-gradient(120deg,#0a5369,#167d8b 68%,#2f9d88)}.parent-hero-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.parent-mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:stretch;margin-bottom:20px}.parent-mini-grid>.panel{margin:0}.parent-child-identity{display:flex;gap:12px;align-items:center;margin-bottom:16px}.parent-child-identity h3,.parent-child-identity p{margin:0 0 5px}.parent-avatar{height:54px;width:54px;border-radius:15px;background:#e8f5f4;display:grid;place-items:center;font-size:28px;flex:none}.parent-mini-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0 18px}.parent-mini-stats>div{display:grid;gap:5px;align-content:center;padding:12px 8px;border-radius:11px;background:#f0f8f8;text-align:center;min-width:0}.parent-mini-stats strong{font-size:22px;color:#0e6877}.parent-mini-stats small{font-size:10px;color:#6b8290}.parent-feature-actions{display:flex;gap:9px;flex-wrap:wrap}.parent-activities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:20px}.parent-activities>.panel{margin:0;display:flex;flex-direction:column;align-items:start}.parent-activities>.panel p{flex:1}.parent-action-icon{height:46px;width:46px;display:grid;place-items:center;font-size:24px;border-radius:14px;background:#eff7f5;flex:none}.parent-current-unit{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.parent-current-unit h3{margin:5px 0}.parent-current-unit p{margin:0;color:#7d8d98;font-size:12px}.parent-word-row{display:flex;flex-wrap:wrap;gap:9px}.parent-identity-head{display:flex;align-items:center;gap:11px}.parent-identity-head h3{margin:0 0 5px}.parent-identity-head p{margin:0}.identity-checklist{display:grid;gap:10px;font-size:12px;color:#355468}.identity-checklist>div{background:#f2f9f8;border-radius:8px;padding:12px}.parent-zone .nav-link.active{background:#eaf8f5;color:#0b7279}
@media(max-width:1100px){.parent-activities{grid-template-columns:1fr 1fr}}@media(max-width:820px){.parent-mini-grid{grid-template-columns:1fr}.parent-activities{grid-template-columns:1fr}.parent-current-unit{flex-direction:column;align-items:stretch}.zone-switch-compact{font-size:10px}.demo-label{display:none}}@media(max-width:600px){.zone-switch-compact{font-size:10px;line-height:1.3;padding:8px}.parent-hero-buttons .btn{width:100%}.parent-mini-stats strong{font-size:18px}.parent-mini-stats small{font-size:9px}.parent-zone .topbar-label{display:none}}@media(max-width:380px){.zone-switch-compact{font-size:9px;padding:7px}}


/* V0.3F — ParentLab official logo, favicon and visual / responsive design system.
   The images are user-supplied; they are not generated nor recolored.
   Parent/Child switch remains DEMO ONLY — not a security boundary. */
:root{
  --navy:#2c5b5b;--ink:#234744;--muted:#647d7c;--teal:#386A69;
  --teal-dark:#285858;--orange:#F17213;--bg:#f4f8f7;--line:#dbe8e5;
  --card:#ffffff;--soft:#eaf4f1;--shadow:0 9px 28px rgba(29,75,72,.08);
}
html{overflow-x:clip}
body{background:var(--bg);color:var(--ink);overflow-x:clip}
button,input,select,textarea{max-width:100%}
button,.btn{min-width:0;box-sizing:border-box}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--orange);outline-offset:3px;
}
button:not(.nav-link):not(.track):not(.family-option), .btn{overflow-wrap:anywhere}
.btn{white-space:normal;text-align:center;line-height:1.35;min-height:42px;flex-shrink:0;
  max-width:100%;padding-inline:14px;border-radius:11px;transition:background .18s,box-shadow .18s,transform .18s}
.btn-sm{min-height:37px;padding:8px 12px}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover:not(:disabled){background:var(--teal-dark)}
.btn-orange{background:var(--orange);color:#1f2522}
.btn-orange:hover:not(:disabled){background:#df650d}
.btn-white{color:#285858}
.btn-outline{border-color:#c9ddda;color:#305c5b;background:#fff}
.btn-ghost{color:#345a59;background:#e9f2f0}
.link-btn{color:var(--teal-dark)}
.panel,.stat,.deck,.track{border-color:var(--line)}
.chip,.nav-count{background:#e5f1ec;color:#2e6461}
.progress-fill,.session-progress>div{background:linear-gradient(90deg,#386A69,#77b39c)}
.track.selected{border-color:var(--teal);background:#eaf4f1;box-shadow:0 0 0 1px #b7d9d0 inset}
.track.selected .track-icon,.nav-link.active,.parent-zone .nav-link.active{background:#e9f4f0;color:#2f6865}
.hero,.family-hero,.parent-hero{background:linear-gradient(112deg,#2e6260 0%,#386a69 57%,#4d8380 100%)}
.family-hero{box-shadow:0 12px 28px rgba(32,95,91,.15)}
.parent-mini-stats strong,.lab-skill-stat div{color:#28615e}
.parent-mini-stats>div,.parent-avatar,.parent-action-icon{background:#eaf4f1}
.zone-switch-sidebar{border-color:#cee3dd;background:#f0f8f4}
.zone-switch-sidebar>span{color:#2b6663}
.zone-security-note{border-color:#f0ddbf;background:#fffaf0;color:#795623}
.zone-security-note strong{color:#795623}
.demo-label{color:#92510c;background:#fff1df}
.sidebar{background:#fff;border-color:var(--line);min-width:0}
.brand{display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;padding:0 4px 20px;min-width:0}
.brand-logo{display:block;width:min(190px,100%);height:106px;object-fit:contain;object-position:center}
.brand-identity{text-align:center;margin-top:-2px;min-width:0}
.brand-title{color:var(--teal);font-size:17px;letter-spacing:.1px;font-weight:850}
.brand-version{font-size:10px;color:#986020;font-weight:800;vertical-align:middle;margin-left:2px}
.brand-caption{margin-top:5px;letter-spacing:1px;font-size:9px;white-space:normal}
.topbar{min-width:0;height:auto;min-height:78px;padding-block:10px;gap:12px}
.topbar-left{flex:1;min-width:0;gap:9px;overflow:hidden}
.topbar-mark{width:38px;height:38px;object-fit:contain;flex-shrink:0;display:none}
.topbar-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-right{min-width:0;flex-shrink:0;gap:9px}
.topbar-right .avatar{flex-shrink:0}
.zone-switch-compact{white-space:normal;max-width:166px;line-height:1.3}
.zone-switch-sidebar .btn{width:100%}
.content,.heading,.parent-mini-grid,.parent-activities,.family-layout,.context-layout,.lab-grid{min-width:0}
.heading{align-items:flex-start;flex-wrap:wrap}
.heading h1,.hero h2,.family-hero h2{overflow-wrap:break-word}
.profile-row,.parent-feature-actions,.parent-hero-buttons,.family-next,.family-gamehead,.deck-foot,
.family-overview-banner,.filter-row,.filter-set,.discovered-actions,.session-nav{flex-wrap:wrap;min-width:0}
.profile-row>*{min-width:0}
.parent-mini-grid>.panel,.parent-activities>.panel,.deck,.resource-card,.family-controls>.panel,
.family-layout>.panel{min-width:0}
.select,.text-input{min-width:0;max-width:100%}
.parent-feature-actions .btn,.parent-hero-buttons .btn,.family-next .btn,
.discovered-actions .btn,.profile-row .btn{white-space:normal}
.parent-current-unit{flex-wrap:wrap}
.mobile-nav button{min-width:0;overflow-wrap:break-word;line-height:1.2;word-break:normal}
.mobile-nav{box-shadow:0 -3px 16px rgba(42,83,80,.06)}
.mobile-nav button.active{color:var(--teal-dark)}
.mobile-nav button.active .nav-emoji{filter:saturate(1.2)}
.family-world,.world-scene,.family-map,.family-controls,.family-statrow{min-width:0;max-width:100%}
.family-statrow>div{min-width:0}
.parent-zone .family-world,.parent-zone .family-map{overflow:hidden}
.lab-token{border-color:#cce3de}
@media(max-width:1100px){
  .sidebar{padding-inline:11px}.brand-logo{width:170px;height:99px}
  .topbar{gap:9px}.topbar-right{gap:7px}.demo-label{padding:7px}
}
@media(max-width:850px){
  .topbar{height:auto;min-height:66px}
  .topbar-mark{display:block;width:36px;height:36px}
  .topbar-left .eyebrow{letter-spacing:.7px;font-size:11px}
  .topbar-label{display:none}
  .demo-label{display:none}
  .zone-switch-compact{max-width:156px}
  .main{padding-bottom:calc(116px + env(safe-area-inset-bottom))}
  .mobile-nav{gap:0;padding:7px 3px calc(8px + env(safe-area-inset-bottom))}
  .mobile-nav button{font-size:10px;min-height:59px;padding:5px 2px}
}
@media(max-width:570px){
  .main{padding-inline:14px;padding-bottom:calc(119px + env(safe-area-inset-bottom))}
  .topbar{min-height:62px;gap:5px}
  .topbar-right{gap:7px}
  .topbar-left .eyebrow{display:none}
  .zone-switch-compact{max-width:167px;font-size:11px;padding:8px 10px;min-height:39px}
  .topbar .avatar{height:36px;width:36px}
  .heading{gap:8px}.heading h1{font-size:23px;letter-spacing:-.5px}
  .hero{padding:22px 20px;min-height:unset}
  .hero-content{min-width:0}
  .hero h2,.family-hero h2{font-size:23px}
  .hero-art{min-width:0}
  .hero-emoji{font-size:55px}
  .family-hero-top{gap:8px}
  .family-hero-symbol{font-size:46px}
  .parent-hero-buttons,.parent-feature-actions{display:grid;grid-template-columns:1fr;gap:8px}
  .parent-hero-buttons .btn,.parent-feature-actions .btn{width:100%}
  .parent-mini-stats{gap:5px}
  .parent-mini-stats>div{padding:10px 5px}
  .mobile-nav button{font-size:9px}
  .mobile-nav .nav-emoji{font-size:20px}
  .toast{bottom:calc(94px + env(safe-area-inset-bottom))}
}
@media(max-width:380px){
  .topbar-mark{width:31px;height:31px}
  .zone-switch-compact{max-width:157px;font-size:10px;padding:7px}
  .mobile-nav button{font-size:9px}
  .family-statrow>div{padding:10px 5px}
  .family-statrow strong{font-size:18px}
  .family-statrow span{font-size:9px}
}
@media(prefers-reduced-motion:reduce){
  .btn{transition:none}.track{transition:none}
}

/* V0.3F follow-up: distinct, aligned hero actions and improved tap targets */
.hero-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;max-width:480px;margin-top:4px}
.hero-actions .btn{width:100%;min-height:46px;align-self:stretch}
.topbar .avatar{width:42px;height:42px}
@media(max-width:850px){html{scroll-padding-bottom:120px}.mobile-nav{background:#fff;isolation:isolate}.mobile-nav .nav-emoji{width:auto}}
@media(max-width:570px){
 .hero-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
 .hero-actions .btn{padding:10px 7px;min-height:52px;font-size:11px}
 .hero-actions .btn:first-child{background:#fff;color:var(--teal-dark)}
 .topbar .avatar{height:42px;width:42px}
}
@media(max-width:360px){
 .hero-actions{grid-template-columns:1fr}
 .hero-actions .btn{min-height:42px}
 .mobile-nav button{font-size:9px}
}