:root{
  --ink:#17324d;
  --blue:#4f9cf9;
  --blue2:#7cc8ff;
  --yellow:#ffd95a;
  --coral:#ff8b7b;
  --mint:#7ed9b6;
  --cream:#fffaf1;
  --white:#fff;
  --good:#18794e;
  --bad:#b42318;
  --shadow:0 14px 35px rgba(37,71,110,.14);
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:linear-gradient(180deg,#e9f7ff 0,#fffaf1 40%,#f4fff9 100%);min-height:100vh}
button,input{font:inherit}
.app-shell{max-width:1180px;margin:auto;padding:24px}
.hero{position:relative;overflow:hidden;min-height:190px;border-radius:28px;padding:34px 38px;background:linear-gradient(135deg,#74c8ff,#8ed8ff 55%,#c6efff);box-shadow:var(--shadow);display:flex;align-items:center}
.hero-copy{position:relative;z-index:2}.eyebrow{display:inline-block;background:rgba(255,255,255,.8);padding:6px 12px;border-radius:999px;font-weight:700;color:#2d6ea8}.hero h1{font-size:clamp(2.4rem,6vw,4.7rem);line-height:.95;margin:14px 0 8px;color:#0c4f84;letter-spacing:-2px}.hero p{font-size:1.25rem;margin:0;font-weight:700}.sky-art{position:absolute;inset:0}.sun{position:absolute;width:105px;height:105px;border-radius:50%;background:var(--yellow);right:110px;top:34px;box-shadow:0 0 0 18px rgba(255,217,90,.22)}.cloud,.cloud:before,.cloud:after{position:absolute;background:#fff;border-radius:999px}.cloud{width:120px;height:34px;opacity:.88}.cloud:before{content:"";width:55px;height:55px;left:16px;bottom:6px}.cloud:after{content:"";width:70px;height:70px;right:14px;bottom:3px}.c1{right:275px;top:58px}.c2{right:45px;bottom:37px;transform:scale(.75)}.bird{position:absolute;font-weight:900;font-size:42px;transform:rotate(-18deg);color:#245b85}.b1{right:390px;top:35px}.b2{right:335px;top:90px;font-size:32px}.b3{right:300px;top:125px;font-size:28px}.b4{right:445px;top:115px;font-size:26px}
.content-grid{display:grid;grid-template-columns:.88fr 1.25fr;gap:24px;margin-top:24px;align-items:start}.card{background:rgba(255,255,255,.96);border-radius:26px;box-shadow:var(--shadow);border:1px solid rgba(87,133,169,.14)}.poem-card{padding:26px;position:sticky;top:16px;overflow:hidden}.card-title-row,.quiz-heading-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.card h2{font-size:1.65rem;margin:0}.audio-actions{display:flex;gap:8px;flex-wrap:wrap}.primary-btn,.secondary-btn{border:0;border-radius:14px;padding:11px 15px;font-weight:800;cursor:pointer;transition:.15s transform,.15s box-shadow}.primary-btn{background:#276fd3;color:#fff;box-shadow:0 6px 0 #174b95}.secondary-btn{background:#edf5ff;color:#275b8f;border:1px solid #b9d8f8}.primary-btn:hover,.secondary-btn:hover{transform:translateY(-1px)}.primary-btn:active{transform:translateY(3px);box-shadow:0 3px 0 #174b95}.voice-note{font-size:.85rem;background:#fff5ce;border:1px solid #f2d873;padding:9px 11px;border-radius:12px;margin:15px 0;color:#6f5800}.poem{background:linear-gradient(180deg,#fff9dc,#fff);border:3px solid #f6c84e;border-radius:24px;padding:24px 18px;text-align:center;font-weight:800;font-size:clamp(1.35rem,2.2vw,2rem);line-height:1.45}.poem p{margin:.25em 0 1em}.migration-art{height:135px;position:relative;margin-top:18px;border-radius:20px;background:linear-gradient(180deg,#9cc8ff,#c6e3ff 60%,#d8efd0);overflow:hidden}.moon{position:absolute;left:26px;top:20px;width:78px;height:78px;border-radius:50%;background:#fff3bd;box-shadow:0 0 0 12px rgba(255,243,189,.25)}.flock{position:absolute;right:22px;top:44px;font-size:34px;letter-spacing:5px;color:#3c4f66;transform:rotate(-8deg)}
.quiz-card{padding:28px}.progress-pill{background:#e7f2ff;color:#2c659f;border-radius:999px;padding:7px 11px;font-weight:800;font-size:.9rem}.question{border:0;margin:0 0 18px;padding:19px;border-radius:20px;background:#f8fbff;border-left:7px solid var(--blue)}.question:nth-of-type(2){border-left-color:var(--coral);background:#fff8f6}.question:nth-of-type(3){border-left-color:var(--mint);background:#f6fffb}.question:nth-of-type(4){border-left-color:var(--yellow);background:#fffdf4}.question:nth-of-type(5){border-left-color:#a78bfa;background:#faf8ff}.question legend{padding:0 3px;font-size:1.08rem;font-weight:800;margin-bottom:12px}.question label{display:block;background:#fff;border:2px solid #d9e6f3;border-radius:14px;padding:11px 13px;margin:9px 0;cursor:pointer;font-weight:650;transition:.15s}.question label:hover{border-color:#8cbdf1;transform:translateX(2px)}.question input[type=radio]{accent-color:#276fd3;transform:scale(1.18);margin-right:9px}.word-inputs{display:flex;align-items:center;gap:10px}.word-inputs input{width:100%;min-width:0;border:2px solid #d8d0f2;border-radius:13px;padding:11px}.word-inputs input:focus{outline:3px solid rgba(167,139,250,.22);border-color:#8b6be8}.feedback{min-height:22px;font-weight:800;font-size:.95rem;margin-top:7px}.correct{color:var(--good)}.incorrect{color:var(--bad)}.quiz-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}.big{padding:13px 18px;font-size:1rem}.result-box{display:none;margin-top:20px;padding:17px 18px;border-radius:18px;background:#eaf8f1;border:2px solid #a7dfc3;font-weight:800;font-size:1.05rem}.result-box.show{display:block}.answered{box-shadow:inset 0 0 0 2px rgba(39,111,211,.08)}footer{text-align:center;padding:22px 8px 6px;color:#6a7a89;font-size:.9rem}
@media(max-width:860px){.content-grid{grid-template-columns:1fr}.poem-card{position:relative;top:auto}.hero{min-height:160px;padding:26px}.sun{right:50px}.cloud,.bird{opacity:.5}}
@media(max-width:520px){.app-shell{padding:12px}.hero{border-radius:20px}.card{border-radius:20px}.poem-card,.quiz-card{padding:18px}.card-title-row{align-items:flex-start;flex-direction:column}.word-inputs{flex-direction:column}.word-inputs span{display:none}.quiz-actions button{width:100%}.audio-actions{width:100%}.audio-actions button{flex:1}.hero h1{letter-spacing:-1px}}

.poem-image-wrap{margin-top:14px;border-radius:24px;overflow:hidden;border:3px solid #f6c84e;background:#fff}.poem-image{display:block;width:100%;height:auto}

/* Celebration shown only after a perfect score */
.celebration-overlay{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;overflow:hidden;background:rgba(8,33,61,.18);pointer-events:none}.celebration-overlay.show{display:flex}.celebration-message{position:relative;z-index:3;background:rgba(255,255,255,.96);border:4px solid #ffd95a;border-radius:28px;padding:24px 34px;text-align:center;box-shadow:0 18px 50px rgba(20,55,90,.28);font-weight:900;color:#174d86;font-size:clamp(1.7rem,5vw,3.1rem);animation:celebratePop .55s cubic-bezier(.2,.9,.3,1.25)}.celebration-message small{display:block;margin-top:8px;font-size:.5em;color:#18794e}.firework{position:absolute;width:8px;height:8px;border-radius:50%;box-shadow:0 -55px 0 #ffd95a,39px -39px 0 #ff8b7b,55px 0 0 #7cc8ff,39px 39px 0 #7ed9b6,0 55px 0 #a78bfa,-39px 39px 0 #ff8b7b,-55px 0 0 #ffd95a,-39px -39px 0 #7cc8ff;animation:fireworkBurst 1.15s ease-out infinite;opacity:0}.firework.f1{left:18%;top:28%;animation-delay:0s}.firework.f2{right:18%;top:22%;animation-delay:.28s}.firework.f3{left:26%;bottom:20%;animation-delay:.55s}.firework.f4{right:24%;bottom:18%;animation-delay:.78s}@keyframes fireworkBurst{0%{transform:scale(.15);opacity:0}18%{opacity:1}70%{opacity:1}100%{transform:scale(1.85);opacity:0}}@keyframes celebratePop{0%{transform:scale(.55);opacity:0}100%{transform:scale(1);opacity:1}}