:root{--ink:#25364a;--muted:#6d7d8e;--cream:#fff8ec;--paper:#fffdf8;--coral:#f06f61;--coral-dark:#dc574b;--blue:#5a9fd4;--navy:#315b7c;--yellow:#f7c95b;--line:#e8dfd1;--shadow:0 18px 45px rgba(56,61,67,.10)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#fff8ec,#f8f0e2);color:var(--ink);font-family:"DM Sans",system-ui,sans-serif;min-height:100vh}.app-shell{width:min(100%,1100px);margin:auto;padding:24px 36px 48px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.brand{border:0;background:none;color:var(--ink);font-family:Fredoka,sans-serif;font-size:24px;font-weight:600;display:flex;align-items:center;gap:10px;cursor:pointer}.brand-mark{display:grid;place-items:center;width:35px;height:35px;background:var(--coral);border-radius:12px;color:white;transform:rotate(-8deg);box-shadow:3px 3px 0 #f9c7a6}.streak{background:#fff2c9;border-radius:999px;padding:9px 15px;color:#97712a;font-size:14px}.streak strong{color:#805c16}.view{display:none}.view.active{display:block}.hero{min-height:355px;border-radius:32px;background:#dff0ef;overflow:hidden;display:grid;grid-template-columns:1.1fr .9fr;position:relative}.hero-copy{padding:45px 0 42px 54px;position:relative;z-index:2}.eyebrow{color:var(--coral-dark);font-size:13px;text-transform:uppercase;letter-spacing:1.4px;font-weight:700;margin:0 0 9px}h1,h2{font-family:Fredoka,sans-serif;margin:0;letter-spacing:-.4px}h1{font-size:45px;line-height:1.06}h1 em{font-style:normal;color:var(--coral)}.intro{font-size:17px;line-height:1.5;color:var(--muted);max-width:450px;margin:17px 0 24px}.button{border:0;border-radius:14px;padding:15px 21px;font:600 16px "DM Sans",sans-serif;cursor:pointer;transition:transform .15s,box-shadow .15s}.button:hover,.activity-card:hover,.round-button:hover{transform:translateY(-2px)}.primary{background:var(--coral);color:white;box-shadow:0 7px 0 var(--coral-dark)}.primary:active{transform:translateY(4px);box-shadow:0 3px 0 var(--coral-dark)}.primary span{font-size:20px;margin-left:9px}.soft{color:var(--navy);background:#e6f1f4}.hero-art{position:relative;overflow:hidden;background:radial-gradient(circle at 65% 32%,#fff4a4 0 50px,transparent 51px),linear-gradient(145deg,#8fcfce,#57a6b9)}.hero-art:after{content:"";position:absolute;width:480px;height:170px;border-radius:50%;background:#5fbb8c;bottom:-78px;left:-50px;box-shadow:260px -4px 0 #409c77}.sun{position:absolute;right:23%;top:14%;width:65px;height:65px;border:5px dotted #f8b657;border-radius:50%}.cloud{position:absolute;background:#fffef3;border-radius:50px;width:105px;height:29px;opacity:.9}.cloud:before,.cloud:after{content:"";position:absolute;border-radius:50%;background:inherit}.cloud:before{width:41px;height:41px;left:19px;bottom:0}.cloud:after{width:50px;height:50px;right:14px;bottom:0}.cloud-one{right:9%;top:47%}.cloud-two{left:8%;top:23%;transform:scale(.6)}.bird{font-size:75px;position:absolute;right:32%;top:45%;transform:rotate(-13deg)}.leaf{position:absolute;color:#e8f4c9;font-size:30px}.leaf-one{right:10%;top:18%}.leaf-two{left:14%;top:63%}.progress-card{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--paper);border:1px solid var(--line);border-radius:20px;margin:22px 0;padding:22px 27px;box-shadow:0 6px 20px rgba(70,70,70,.04)}.progress-card h2{font-size:23px}.progress-wrap{width:320px}.progress-track{height:10px;border-radius:20px;background:#e8edf0;overflow:hidden}.progress-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--coral),#f59a70);border-radius:inherit;transition:width .4s}.progress-wrap small{color:var(--muted);display:block;margin-top:7px;font-size:13px}.activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.activity-card{border:0;text-align:left;border-radius:20px;padding:21px 16px;display:flex;align-items:center;gap:13px;cursor:pointer;transition:transform .15s;position:relative;color:var(--ink);min-height:135px}.activity-card.coral{background:#ffe4dc}.activity-card.blue{background:#e0eff9}.activity-card.yellow{background:#fff0bd}.activity-icon{font-family:Fredoka;font-size:22px;display:grid;place-items:center;min-width:45px;height:45px;border-radius:14px;background:#fff9}.activity-card small,.activity-card i{display:block;color:#617180;font-size:12px;font-style:normal}.activity-card strong{font-family:Fredoka;display:block;font-size:18px;margin:3px 0}.activity-card b{position:absolute;right:16px;bottom:12px;font-size:20px}.view-heading{display:flex;justify-content:space-between;align-items:flex-end;margin:28px 0 22px}.view-heading h1{font-size:38px}.back{background:none;border:0;padding:0;color:var(--navy);font:600 15px "DM Sans";cursor:pointer;margin-bottom:13px}.counter{border:2px solid #dce8e8;border-radius:12px;padding:8px 12px;font-weight:700;color:var(--navy)}.study-card{min-height:345px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:35px}.study-card:before,.study-card:after{content:"";position:absolute;border-radius:50%;background:#e6f3f2}.study-card:before{width:280px;height:280px;top:-170px;left:-120px}.study-card:after{width:180px;height:180px;right:-70px;bottom:-80px}.card-decoration{position:absolute;color:#f7c95b;font-size:38px;right:12%;top:17%;z-index:1}.language-label{color:var(--blue);font-weight:700;letter-spacing:1.5px;font-size:13px;margin:0 0 9px;z-index:1}.study-card h2{font-size:42px;max-width:680px;z-index:1}.translation{font-size:22px;color:var(--muted);margin:9px 0 22px;z-index:1}.listen-button{z-index:1;border:0;background:#e3f0f8;color:var(--navy);border-radius:99px;font:600 16px "DM Sans";padding:11px 18px;cursor:pointer}.listen-button span{font-size:19px;margin-right:5px}.card-controls{display:flex;justify-content:center;gap:18px;align-items:center;margin:26px 0}.round-button{height:53px;width:53px;border:1px solid var(--line);border-radius:50%;background:var(--paper);font-size:22px;cursor:pointer;transition:transform .15s}.dots{display:flex;justify-content:center;gap:7px}.dots button{border:0;background:#d9e1e0;border-radius:50%;width:8px;height:8px;padding:0}.dots button.active{background:var(--coral);transform:scale(1.25)}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin:28px 0}.quiz-progress{width:min(430px,52vw)}.quiz-progress>span{font-size:14px;font-weight:600;display:block;text-align:right;margin-bottom:8px;color:var(--muted)}.quiz-panel{background:var(--paper);border-radius:27px;box-shadow:var(--shadow);padding:44px min(7vw,76px);text-align:center}.quiz-direction{font-size:13px;letter-spacing:1.3px;font-weight:700;color:var(--blue);margin:0 0 13px}.quiz-prompt{font-size:19px;color:var(--muted);margin:0 0 8px}.quiz-word{font-size:43px;line-height:1.14;margin:0 auto 17px;max-width:700px}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left;margin-top:28px}.answer{background:#fff;border:2px solid #e6ebec;border-radius:15px;padding:16px 18px;color:var(--ink);font:600 17px "DM Sans";cursor:pointer;min-height:62px}.answer:hover{border-color:#84b9db;background:#f4fbff}.answer.correct{background:#e2f5e7;border-color:#66b97c;color:#24713a}.answer.wrong{background:#ffe8e4;border-color:#eb7667;color:#a43b32}.answer:disabled{cursor:default}.quiz-feedback{min-height:66px;margin-top:22px;font-size:17px;color:var(--muted)}.quiz-feedback strong{color:#277941;display:block;font-family:Fredoka;font-size:21px}.next-question{margin-top:4px}.result-card{background:var(--paper);border-radius:30px;text-align:center;box-shadow:var(--shadow);max-width:580px;margin:58px auto;padding:52px 36px}.celebration{background:#fff0c5;color:#e3a82d;display:grid;place-items:center;width:75px;height:75px;font-size:42px;border-radius:50%;margin:0 auto 20px}.result-card h1{font-size:42px}.result-card .intro{margin:12px auto 20px}.score-ring{border:8px solid #dcefed;border-top-color:var(--coral);width:132px;height:132px;border-radius:50%;margin:20px auto 27px;display:flex;flex-direction:column;align-items:center;justify-content:center}.score-ring strong{font:600 27px Fredoka}.score-ring span{font-size:13px;color:var(--muted)}.result-actions{display:flex;justify-content:center;gap:12px}#toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,110px);background:#25364a;color:white;padding:12px 17px;border-radius:13px;box-shadow:var(--shadow);transition:transform .25s;z-index:10;font-weight:600}#toast.show{transform:translate(-50%,0)}@media(max-width:700px){.app-shell{padding:17px 17px 35px}.topbar{margin-bottom:19px}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:34px 28px 35px}.hero-art{height:175px;order:-1}.bird{right:36%;top:35%;font-size:62px}h1{font-size:36px}.progress-card{align-items:flex-start;flex-direction:column;gap:12px;padding:20px}.progress-wrap{width:100%}.activity-grid{grid-template-columns:1fr}.activity-card{min-height:95px}.view-heading h1{font-size:31px}.study-card{min-height:310px;padding:28px 20px}.study-card h2,.quiz-word{font-size:33px}.quiz-header{align-items:flex-start;gap:15px}.quiz-progress{width:50%}.quiz-panel{padding:35px 19px}.quiz-options{grid-template-columns:1fr}.result-card{margin:25px auto;padding:40px 20px}.result-card h1{font-size:35px}}@media(max-width:360px){.streak{padding:7px 10px}.brand{font-size:20px}.hero-copy{padding:28px 22px}.result-actions{flex-direction:column}.button{padding:14px 16px}}