:root{--ink:#29244d;--muted:#8985a3;--primary:#7357eb;--primary-dark:#5c43db;--purple-light:#f0ebff;--border:#eeebf6;--paper:#fff;--bg:#f8f8fc;--green:#2dad83;--gold:#ffbf49;--shadow:0 12px 32px #3b336011}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font-family:Tahoma,"Segoe UI",Arial,sans-serif;color:var(--ink);line-height:1.7}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b9aafc;outline-offset:2px}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{position:sticky;top:0;display:flex;flex-direction:column;width:249px;min-width:249px;height:100vh;padding:28px 17px;background:#fff;border-left:1px solid var(--border);z-index:10}.brand{display:flex;gap:11px;align-items:center;margin:0 10px 42px}.brand-icon{width:50px;height:50px;border-radius:17px;background:#eeeaff;display:grid;place-items:center;overflow:hidden}.brand-icon img{width:50px}.brand strong{font-size:22px;letter-spacing:-.7px;display:block;line-height:1.5}.brand small{font-family:Arial,sans-serif;font-size:10px;letter-spacing:1.65px;color:#ad9dde;font-weight:700;display:block;line-height:1.5}.nav-kicker{font-size:11px;color:#aca8bd;font-weight:700;padding:0 15px;margin-bottom:14px}.nav-items{display:grid;gap:8px}.nav-btn{border:0;background:transparent;border-radius:14px;color:#726e89;text-align:right;padding:13px 15px;display:flex;align-items:center;gap:12px;font-size:13px;font-weight:700;white-space:nowrap}.nav-btn span{font-size:19px}.nav-btn:hover,.nav-btn.is-active{background:#eeeaff;color:#6550d8}.sidebar-bottom{margin-top:auto;background:#f9f7ff;border-radius:16px;padding:13px}.sidebar-bottom p{font-size:11px;line-height:2;color:#8b82b5;margin:8px 0 0}.offline-chip{font-size:11px;font-weight:700;color:#39a57a}.offline-chip.is-offline{color:#b57f22}.main-area{min-width:0;flex:1;max-width:1320px;margin:0 auto;padding:31px clamp(21px,4vw,60px) 18px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:29px}.small-greeting{font-size:12px;color:#9590aa;font-weight:700}.topbar h1{font-size:21px;margin:3px 0 0;line-height:1.5;letter-spacing:-.6px}.topbar-actions{display:flex;align-items:center;gap:15px}.pill{border-radius:100px;padding:10px 16px;background:#fff;font-size:12px;font-weight:700;white-space:nowrap}.score-pill{color:#7e60de;box-shadow:0 3px 14px #ddd8f333}.avatar{background:#ffebce;border:3px solid white;box-shadow:0 4px 13px #00000010;width:43px;height:43px;display:grid;place-items:center;border-radius:50%;font-size:24px}.hero{min-height:290px;position:relative;display:flex;overflow:hidden;background:linear-gradient(111deg,#6545d9,#9277f7);border-radius:26px;box-shadow:0 15px 33px #6552df25;color:white;padding:36px 36px 28px;align-items:center}.hero:before,.hero:after{content:"";position:absolute;border:1px solid #ffffff40;border-radius:50%}.hero:before{width:380px;height:380px;left:-110px;top:-170px}.hero:after{width:280px;height:280px;right:22%;bottom:-195px}.hero-text{max-width:59%;z-index:1}.hero-eyebrow{color:#ffdf8e;font-weight:800;font-size:12px;letter-spacing:.3px}.hero h2{font-size:27px;line-height:1.7;margin:9px 0 8px;letter-spacing:-.6px}.hero p{color:#f2edff;font-size:13px;margin:0 0 21px;line-height:2}.mascot-large{position:absolute;width:245px;height:245px;left:9%;bottom:-7px;transform:rotate(-8deg);filter:drop-shadow(0 15px 22px #452db444)}.mascot-large img{width:100%;height:100%}.star-spark{position:absolute;color:#ffd768;font-size:33px;left:30%;top:24px;transform:rotate(16deg)}.btn{border:0;border-radius:13px;background:var(--primary);color:white;padding:12px 20px;font-weight:800;font-size:13px;display:inline-flex;gap:9px;align-items:center;justify-content:center;min-height:43px;transition:transform .15s,background .15s}.btn:hover{transform:translateY(-2px);background:var(--primary-dark)}.btn-white{background:white;color:#7254df}.btn-white:hover{background:#f8f5ff}.btn-soft{background:#f0ebff;color:#6b50e0}.btn-soft:hover{background:#e5ddff}.btn-outline{background:white;color:#777191;border:1px solid #e5e0f2}.btn-outline:hover{background:#f5f2ff}.btn-good{background:#26ae82}.btn-good:hover{background:#218e6b}.btn-danger{background:#fff0f0;color:#bb5757}.btn-danger:hover{background:#ffe2e2}.btn-sm{padding:8px 12px;font-size:11px;min-height:34px;border-radius:11px}.btn-full{width:100%}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:27px 0 15px}.section-head h2{font-size:18px;letter-spacing:-.6px;margin:0}.section-head small,.muted{color:var(--muted);font-size:12px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.mode-card,.lesson-card,.panel,.stat-box{background:var(--paper);border:1px solid #f1eef7;border-radius:21px;box-shadow:var(--shadow)}.mode-card{padding:18px 19px;display:flex;align-items:center;gap:16px;text-align:right;width:100%;transition:transform .2s,box-shadow .2s}.mode-card:hover,.lesson-card:hover{transform:translateY(-3px);box-shadow:0 15px 33px #5440a81a}.card-symbol{height:55px;min-width:55px;display:grid;place-items:center;border-radius:19px;background:#f2eaff;font-size:29px}.card-symbol.yellow{background:#fff0d6}.card-symbol.mint{background:#e0f8f2}.mode-card strong,.lesson-card strong{font-size:14px;display:block}.mode-card small,.lesson-card small{color:#9690ab;font-size:11px;display:block;margin-top:3px;line-height:1.8}.lesson-card{padding:18px;cursor:pointer;display:flex;align-items:center;gap:12px;min-height:110px;text-align:right;width:100%;transition:transform .15s}.lesson-icon{display:grid;place-items:center;border-radius:17px;width:58px;min-width:58px;height:61px;font-size:31px}.lesson-count{display:inline-flex;background:#f4f2fa;padding:2px 9px;border-radius:20px;font:700 11px Arial,sans-serif;color:#8e84ad;direction:ltr;margin-top:9px}.overview{display:grid;grid-template-columns:1.8fr 1fr;gap:16px;margin:18px 0}.panel{padding:24px}.panel h3{font-size:17px;margin:0 0 8px}.progress-track{height:12px;border-radius:20px;background:#ece9f5;overflow:hidden}.progress-fill{height:100%;border-radius:20px;background:linear-gradient(90deg,#5ed8ad,#36b18c);transition:width .4s}.small-progress{margin:16px 0 5px}.stat-wrap{display:flex;gap:20px;margin-top:10px}.stat-num{font-family:Arial,sans-serif;font-size:25px;font-weight:800;color:var(--primary)}.stat-caption{color:#9893aa;font-size:11px}.daily-box{background:#eaf9f5;border:0}.daily-box h3{color:#278767}.daily-box p{color:#579c8a;font-size:12px}.app-footer{text-align:center;color:#aaa5ba;font-size:10px;margin-top:34px}.mobile-nav{display:none}.exercise-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(230px,.8fr);gap:17px}.exercise-panel{min-height:420px;padding:27px;text-align:center}.exercise-top{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:right}.eyebrow{font-size:12px;color:#978fba;font-weight:800}.word-art{width:145px;height:145px;border-radius:37px;background:linear-gradient(145deg,#fbf1dd,#fff7ed);display:grid;place-items:center;font-size:88px;margin:17px auto 8px}.word-meaning{font-size:16px;color:#8c82a9;margin-top:6px;font-weight:700}.icon-button{border:0;background:#f1ecff;color:#684fcd;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 13px;border-radius:12px;font-weight:800;font-size:12px;min-height:40px}.icon-button:hover{background:#e7ddff}.audio-controls{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin:17px 0}.word-input{max-width:350px;width:100%;border-radius:15px;background:#faf9ff;border:2px solid #e3dcff;height:60px;text-align:center;font-size:26px;font-weight:800;color:#383259;letter-spacing:3px;outline:none}.word-input:focus{border-color:#8e75ff}.exercise-actions{display:flex;justify-content:center;gap:11px;flex-wrap:wrap;margin-top:20px}.hint{font-size:12px;color:#9a90ab;margin:14px auto}.feedback{font-size:13px;font-weight:800;padding:12px;border-radius:14px;margin:16px auto 0;max-width:470px}.feedback.is-success{background:#eaf9f0;color:#238668}.feedback.is-error{background:#fff2e9;color:#ac5e29}.letter-grid,.answer-tiles{display:flex;direction:ltr;justify-content:center;gap:9px;flex-wrap:wrap;margin:20px auto 12px;max-width:400px;min-height:55px}.tile{border:2px solid #ded5ff;background:#f6f2ff;color:#55429b;width:46px;height:50px;display:grid;place-items:center;border-radius:13px;font:bold 22px Arial,sans-serif;text-transform:uppercase}.tile:hover{background:#ebe3ff}.tile:disabled{opacity:.35}.answer-tiles{border:2px dashed #d9d1ef;border-radius:14px;min-height:67px;align-items:center;padding:7px}.answer-tiles .tile{border-color:#bca9ff;background:#e9e1ff}.quiz-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px auto;max-width:480px}.choice{border:2px solid #ece8f8;background:#fff;display:flex;flex-direction:column;align-items:center;gap:5px;padding:15px 8px;border-radius:16px}.choice .emoji{font-size:38px}.choice .en{font:bold 15px Arial,sans-serif;direction:ltr}.choice:hover{border-color:#ac9cfc}.choice.is-right{background:#e8f7ee;border-color:#5dbb92}.choice.is-wrong{background:#fff0ec;border-color:#e59a85}.settings-card{display:grid;gap:16px;height:fit-content}.form-label{font-size:12px;color:#87819d;display:block;font-weight:800;margin-bottom:6px}.form-control{width:100%;border:1px solid #dfdaed;border-radius:11px;background:#fff;padding:10px 12px;min-height:44px;color:#4d456e}.form-control:focus{border-color:#a592fc}.note{padding:11px 13px;border-radius:13px;background:#f6f4fc;color:#817996;font-size:11px;line-height:2.1}.note.warning{background:#fff7e9;color:#a47733}.note.success{background:#ebfaef;color:#328261}.lesson-chips{display:flex;flex-wrap:wrap;gap:9px}.lesson-chip{border-radius:12px;padding:9px 14px;background:white;border:1px solid #e8e3f4;color:#6f688d;font-size:12px;font-weight:800}.lesson-chip.is-active{border-color:#8e77ef;background:#ece6ff;color:#694edb}.canvas-wrap{position:relative;overflow:hidden;border:2px dashed #dbd2f7;background:repeating-linear-gradient(#fff,#fff 56px,#e7e1f2 57px,#fff 58px);border-radius:22px;touch-action:none}.draw-canvas{width:100%;height:245px;touch-action:none;display:block;cursor:crosshair}.letter-caption{font-family:Arial,sans-serif;font-weight:800;font-size:30px;color:#5f46d5;direction:ltr;letter-spacing:7px}.writestats{display:flex;gap:7px;justify-content:center;flex-wrap:wrap;margin:18px 0}.writing-dot{width:33px;height:33px;display:grid;place-items:center;border:1px solid #ddd3fc;border-radius:10px;color:#988bc0;background:#fff;font:700 15px Arial}.writing-dot.is-active{background:#7760dc;color:white}.writing-dot.is-done{background:#e2f8ec;border-color:#a3dab7;color:#289665}.record-circle{border:none;width:100px;height:100px;border-radius:50%;display:grid;place-items:center;font-size:41px;background:#ffecf0;color:#e06788;margin:20px auto 12px;box-shadow:0 0 0 10px #fff5f8;transition:background .2s}.record-circle.is-recording{background:#e55a74;color:white;animation:pulse 1.2s infinite}.record-circle:disabled{background:#eee;color:#aaa}.practice-words{display:flex;flex-wrap:wrap;gap:8px}.word-tag{font-family:Arial,sans-serif;border:1px solid #e4dff0;background:white;border-radius:10px;padding:7px 12px;color:#675e87;font-size:12px;direction:ltr}.word-tag.is-active{background:#ece5ff;border-color:#9c88ef;color:#624bd2;font-weight:800}.parent-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.actions-inline{display:flex;gap:9px;flex-wrap:wrap;align-items:center}.manager-list{max-height:260px;overflow:auto;display:grid;gap:7px;margin-top:12px}.manager-row{display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:1px solid #f0edf5;padding:7px 0;font-size:12px}.manager-row b{font:800 14px Arial}.manager-row .btn{min-height:30px}.statistics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat-box{text-align:center;padding:16px 8px}.stat-box b{display:block;font:800 27px Arial;color:#6f57de}.stat-box span{font-size:11px;color:#988eab}.empty-box{padding:25px;background:#f8f6ff;color:#8a80a0;border-radius:14px;text-align:center;font-size:12px}.divider{border:0;border-top:1px solid #efecf6;margin:20px 0}.ltr{direction:ltr;unicode-bidi:isolate}.lesson-note{font-size:11px;color:#9389ad}.hidden{display:none!important}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);background:#29204f;color:white;padding:12px 19px;border-radius:14px;z-index:90;box-shadow:0 10px 25px #30284a29;opacity:0;pointer-events:none;transition:.2s;min-width:180px;text-align:center;font-size:13px;font-weight:700}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@keyframes pulse{0%{box-shadow:0 0 0 10px #fff5f8}50%{box-shadow:0 0 0 18px #ffe1e9}100%{box-shadow:0 0 0 10px #fff5f8}}
@media(max-width:1100px){.sidebar{width:217px;min-width:217px}.hero h2{font-size:23px}.mascot-large{width:210px;height:210px}.mode-card{gap:10px;padding:14px}.card-symbol{min-width:43px;height:48px;font-size:25px}}@media(max-width:850px){.sidebar{display:none}.main-area{padding:20px 18px 93px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;padding:7px 6px calc(7px + env(safe-area-inset-bottom));background:#fff;justify-content:space-around;box-shadow:0 -4px 20px #29204f13;z-index:60}.mobile-nav-btn{border:0;background:none;color:#9f99b1;font-size:10px;font-weight:800;display:flex;flex-direction:column;align-items:center;gap:2px;min-width:50px}.mobile-nav-btn span{font-size:21px}.mobile-nav-btn.is-active{color:#6e56dd}.app-footer{margin-top:23px}.topbar{margin-bottom:17px}.topbar h1{font-size:18px}}@media(max-width:650px){.hero{padding:24px 23px;min-height:245px;border-radius:21px}.hero-text{max-width:72%}.hero h2{font-size:20px;line-height:1.6}.hero p{font-size:11px;margin:5px 0 15px}.mascot-large{height:155px;width:155px;left:-32px;bottom:2px}.star-spark{left:31%;top:9px}.grid-3{grid-template-columns:1fr;gap:10px}.mode-card{min-height:82px}.overview,.exercise-layout,.parent-grid{grid-template-columns:1fr}.section-head{margin:23px 0 13px}.section-head h2{font-size:16px}.topbar-actions{gap:7px}.score-pill{font-size:10px;padding:7px 9px}.avatar{width:37px;height:37px;font-size:20px}.small-greeting{font-size:11px}.exercise-panel{padding:16px 13px;min-height:360px}.form-grid{grid-template-columns:1fr}.word-art{width:115px;height:115px;font-size:68px;margin-top:13px}.panel{padding:18px}.mobile-nav{gap:0}.lesson-card{min-height:86px}.quiz-choices{gap:8px}.choice{padding:10px 5px}.hero .btn{min-height:38px;padding:9px 13px;font-size:11px}.hero h2{max-width:260px}.stat-wrap{justify-content:space-between}#toast{bottom:85px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}