:root{--sky: #8CCAE7;--mint: #A9DFC3;--yellow: #FFE8A3;--peach: #FFBFA3;--lavender: #CDB9F7;--bg: #FAFAF7;--card: #FFFFFF;--text: #4B5563;--muted: #94A3B8;--sky-deep: #5BAFD6;--mint-deep: #6FC79A;--peach-deep: #F49B78;--lavender-deep: #A98FE8;--shadow-sm: 0 4px 14px rgba(75, 85, 99, .08);--shadow-md: 0 10px 30px rgba(75, 85, 99, .12);--shadow-lg: 0 18px 50px rgba(75, 85, 99, .16);--radius: 28px;--radius-lg: 32px;font-family:Fredoka,"Baloo 2",system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--text);min-height:100vh;background:var(--bg);background-image:radial-gradient(circle at 12% 8%,rgba(140,202,231,.2),transparent 38%),radial-gradient(circle at 88% 4%,rgba(205,185,247,.2),transparent 36%),radial-gradient(circle at 80% 92%,rgba(169,223,195,.22),transparent 40%),radial-gradient(circle at 10% 96%,rgba(255,191,163,.18),transparent 38%);background-attachment:fixed;-webkit-font-smoothing:antialiased}#root{max-width:560px;margin:0 auto;padding:24px 18px 64px;padding-top:calc(24px + env(safe-area-inset-top));padding-bottom:calc(40px + env(safe-area-inset-bottom))}h1,h2,h3{margin:0 0 12px;font-weight:700}.app-title{text-align:center;font-size:32px;font-weight:700;letter-spacing:.2px;background:linear-gradient(120deg,var(--sky-deep),var(--lavender-deep) 55%,var(--peach-deep));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:2px}.subtitle{text-align:center;color:var(--muted);margin-bottom:26px;font-size:16px}.card{background:var(--card);border-radius:var(--radius-lg);padding:24px;margin-bottom:18px;box-shadow:var(--shadow-md);border:1px solid rgba(75,85,99,.04)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px 20px;font-family:inherit;font-size:19px;font-weight:600;border:none;border-radius:999px;cursor:pointer;color:#2b4a5c;background:linear-gradient(135deg,var(--sky),var(--sky-deep));box-shadow:0 8px 18px #5bafd659;transition:transform .12s cubic-bezier(.34,1.56,.64,1),filter .15s ease,box-shadow .15s ease}.btn:hover{filter:brightness(1.04);transform:translateY(-2px)}.btn:active{transform:translateY(0) scale(.97)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn.secondary{background:var(--card);color:var(--text);box-shadow:var(--shadow-sm);border:2px solid rgba(140,202,231,.4)}.btn-learn{background:linear-gradient(135deg,var(--yellow),#FBD46B);color:#7a5b1b;box-shadow:0 8px 18px #fbd46b73}.btn.small{width:auto;padding:10px 20px;font-size:16px}.btn-ghost{border:none;background:#ffffffb3;color:var(--text);font-family:inherit;font-size:15px;font-weight:600;padding:9px 16px;border-radius:999px;cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .12s ease}.btn-ghost:active{transform:scale(.96)}.btn-stack>*{margin-bottom:14px}.btn-stack>*:last-child{margin-bottom:0}.home-mascot{font-size:64px;text-align:center;margin:4px 0 18px;animation:float 3.4s ease-in-out infinite}.class-home{display:flex;flex-direction:column;justify-content:center;min-height:62vh}.class-home .home-mascot{font-size:96px;margin:0 0 24px}.class-home .card{padding:30px 24px}.class-home .btn{padding:20px;font-size:22px}.music-toggle{position:fixed;left:calc(14px + env(safe-area-inset-left));top:calc(14px + env(safe-area-inset-top));width:48px;height:48px;display:flex;align-items:center;justify-content:center;border:none;border-radius:50%;cursor:pointer;color:var(--sky-deep);background:#ffffffeb;box-shadow:var(--shadow-md);z-index:200;transition:transform .12s ease,color .15s ease}.music-toggle:hover{transform:scale(1.08)}.music-toggle:active{transform:scale(.92)}.quiz-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.score-pills{display:flex;gap:8px}.pill{font-weight:700;font-size:15px;padding:7px 14px;border-radius:999px;box-shadow:var(--shadow-sm)}.pill-correct{background:var(--mint);color:#2f6b4c}.pill-wrong{background:var(--peach);color:#8a3f23}.pill-half{background:var(--yellow);color:#8a6d1f}.quiz-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.q-counter{color:var(--muted);font-weight:600;font-size:15px}.timer{position:relative;width:64px;height:64px}.timer-track{fill:none;stroke:#8ccae740;stroke-width:7}.timer-progress{fill:none;stroke:var(--sky-deep);stroke-width:7;stroke-linecap:round;transition:stroke-dashoffset 1s linear,stroke .3s ease}.timer-num{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:22px;color:var(--sky-deep)}.timer-low .timer-progress{stroke:var(--peach-deep)}.timer-low .timer-num{color:var(--peach-deep)}.timer-low{animation:pulse .9s ease-in-out infinite}.progress-bar{height:12px;background:#8ccae72e;border-radius:999px;overflow:hidden;margin-bottom:18px}.progress-bar>div{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--mint),var(--sky));transition:width .4s cubic-bezier(.34,1.56,.64,1)}.prompt-label{color:var(--muted);font-size:16px;margin:0 0 6px}.question-word{font-size:46px;font-weight:700;text-align:center;margin:14px 0 24px;direction:ltr;color:var(--text)}.option-btn{width:100%;padding:17px;font-family:inherit;font-size:21px;font-weight:600;margin-bottom:12px;border-radius:20px;border:2px solid rgba(140,202,231,.35);background:#fbfdff;color:var(--text);cursor:pointer;text-align:center;transition:all .14s cubic-bezier(.34,1.56,.64,1)}.option-btn:last-child{margin-bottom:0}.option-btn:hover:not(:disabled){border-color:var(--sky);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.option-btn:active:not(:disabled){transform:scale(.98)}.option-btn.correct{border-color:var(--mint-deep);background:var(--mint);color:#2f6b4c;animation:pop .35s cubic-bezier(.34,1.56,.64,1)}.option-btn.wrong{border-color:var(--peach-deep);background:var(--peach);color:#8a3f23}.option-btn:disabled{cursor:default}.timeout-note{color:var(--peach-deep);font-weight:600;margin:16px 0 0}.quiz-actions{display:flex;gap:12px}.quiz-actions .btn-learn{flex:0 0 38%}.quiz-actions .btn:not(.btn-learn){flex:1}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:18px}.stat{background:var(--card);border-radius:24px;padding:20px 16px;text-align:center;box-shadow:var(--shadow-sm)}.stat:nth-child(1){background:linear-gradient(160deg,#fff,#8ccae72e)}.stat:nth-child(2){background:linear-gradient(160deg,#fff,#a9dfc333)}.stat:nth-child(3){background:linear-gradient(160deg,#fff,#cdb9f733)}.stat:nth-child(4){background:linear-gradient(160deg,#fff,#ffe8a34d)}.stat .value{font-size:36px;font-weight:700;color:var(--text)}.stat .label{color:var(--muted);font-size:14px;margin-top:4px;font-weight:500}.weak-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 4px;border-bottom:1px solid rgba(75,85,99,.08)}.weak-row:last-child{border-bottom:none}.weak-en{font-weight:700;direction:ltr;font-size:18px}.weak-he{color:var(--muted);font-size:14px}.weak-mistakes{background:var(--peach);color:#8a3f23;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700;white-space:nowrap}.answer-tag{border-radius:999px;padding:5px 13px;font-size:13px;font-weight:700;white-space:nowrap}.tag-correct{background:var(--mint);color:#2f6b4c}.tag-wrong{background:var(--peach);color:#8a3f23}.tag-half{background:var(--yellow);color:#8a6d1f}.type-word-row{display:flex;align-items:center;justify-content:center;gap:12px;margin:10px 0 18px}.type-word-row .question-word{margin:0}.type-input{width:100%;border:2px solid rgba(140,202,231,.45);border-radius:18px;background:#8ccae714;padding:16px 18px;font-family:inherit;font-size:24px;font-weight:600;color:var(--text);text-align:center;outline:none;transition:border-color .15s ease,box-shadow .15s ease}.type-input:focus{border-color:var(--sky-deep);box-shadow:0 0 0 4px #8ccae738}.type-input:disabled{opacity:.85}.type-input::placeholder{color:var(--muted);font-weight:500}.type-feedback{margin-top:16px;padding:12px 16px;border-radius:16px;font-size:17px;font-weight:600;text-align:center}.type-feedback.correct{background:var(--mint);color:#2f6b4c}.type-feedback.half{background:var(--yellow);color:#8a6d1f}.type-feedback.wrong{background:var(--peach);color:#8a3f23}.type-feedback b{font-weight:800}.muted{color:var(--muted)}.center{text-align:center}.row{display:flex;gap:10px;align-items:center}.dash-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.banner{border-radius:18px;padding:12px 16px;font-size:14px;font-weight:500;margin-bottom:16px}.banner.warn{background:var(--yellow);color:#7a5b1b}.banner.error{background:var(--peach);color:#8a3f23}.spinner{width:34px;height:34px;border:4px solid rgba(140,202,231,.25);border-top-color:var(--sky-deep);border-radius:50%;animation:spin .8s linear infinite;margin:24px auto}.big-score{font-size:64px;font-weight:700;text-align:center;background:linear-gradient(120deg,var(--sky-deep),var(--mint-deep));-webkit-background-clip:text;background-clip:text;color:transparent;animation:pop .5s cubic-bezier(.34,1.56,.64,1)}.speaker-btn{flex:none;display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:50%;cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--sky),var(--sky-deep));box-shadow:0 6px 14px #5bafd666;transition:transform .12s ease}.speaker-btn:hover{transform:scale(1.08)}.speaker-btn:active{transform:scale(.92)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#4b556373;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:18px;z-index:100;animation:fade .2s ease}.modal-card{background:var(--card);border-radius:var(--radius-lg);padding:22px;width:100%;max-width:460px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:var(--shadow-lg);animation:popIn .32s cubic-bezier(.34,1.56,.64,1)}.modal-close{position:absolute;top:14px;right:14px;width:38px;height:38px;border:none;border-radius:50%;background:#8ccae72e;color:var(--text);font-size:24px;line-height:1;cursor:pointer;transition:transform .12s ease}.modal-close:active{transform:scale(.9)}.learn-image{width:100%;aspect-ratio:4 / 3;border-radius:24px;overflow:hidden;background:linear-gradient(160deg,#8ccae740,#cdb9f740);margin-bottom:18px}.learn-image img{width:100%;height:100%;object-fit:cover;display:block}.learn-image-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:64px;opacity:.5}.learn-word-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.learn-word{font-size:34px;font-weight:700;direction:ltr;color:var(--text)}.learn-meaning{font-size:18px;color:var(--muted);margin-top:2px}.sentences-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;background:#a9dfc338;border:none;border-radius:18px;padding:14px 18px;font-family:inherit;font-size:17px;font-weight:600;color:var(--text);cursor:pointer}.chevron{transition:transform .2s ease}.chevron.open{transform:rotate(180deg)}.sentence-list{list-style:none;margin:12px 0 18px;padding:0}.sentence-item{background:#fbfdff;border:1px solid rgba(140,202,231,.25);border-radius:18px;padding:14px;margin-bottom:12px}.sentence-item:last-child{margin-bottom:0}.sentence-en-row{display:flex;align-items:center;gap:12px;direction:ltr}.sentence-en{font-size:17px;font-weight:600;color:var(--text);text-align:left}.sentence-he{color:var(--muted);font-size:15px;margin-top:8px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}@keyframes pop{0%{transform:scale(.8)}to{transform:scale(1)}}@keyframes popIn{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}@keyframes fade{0%{opacity:0}to{opacity:1}}@media (max-width: 480px){#root{padding:16px 14px;padding-top:calc(16px + env(safe-area-inset-top));padding-bottom:calc(24px + env(safe-area-inset-bottom))}.app-title{font-size:26px}.subtitle{font-size:14px;margin-bottom:16px}.card{padding:18px 16px;margin-bottom:14px}.quiz-topbar{margin-bottom:10px}.quiz-meta{margin-bottom:8px}.progress-bar{height:10px;margin-bottom:12px}.timer{width:54px;height:54px}.timer-num{font-size:19px}.prompt-label{font-size:14px}.question-word{font-size:36px;margin:8px 0 16px}.option-btn{padding:13px;font-size:18px;margin-bottom:10px;border-radius:16px}.btn{padding:14px 18px;font-size:17px}.stat{padding:16px 12px}.stat .value{font-size:30px}.big-score{font-size:52px}}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}