:root{--bg:#eef3ff;--card:#fff;--ink:#1f2a44;--muted:#5d6985;--pri:#5b5bf0;--pri2:#6262ee;--ok:#1f9d63;--bad:#c53030;--warn:#ffb020;--line:#d7dcf7}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI",Arial,"Noto Sans Hebrew",sans-serif;-webkit-tap-highlight-color:transparent}
#app{max-width:520px;margin:0 auto;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
.top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 16px;background:var(--card);box-shadow:0 2px 8px #0001;position:sticky;top:0;z-index:3}
.top .t{font-weight:700}
.chip{background:#fff3d6;color:#7a4e00;border-radius:999px;padding:4px 10px;font-size:14px;font-weight:700;white-space:nowrap}
.body{padding:16px;flex:1;display:flex;flex-direction:column;gap:14px}
h1{font-size:26px;margin:0}h2{font-size:20px;margin:0}p{margin:0}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,.opt:focus-visible,.chap:focus-visible{outline:3px solid var(--pri);outline-offset:2px}
.btn{display:block;width:100%;border:0;border-radius:18px;padding:15px;font-size:20px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--pri),var(--pri2));box-shadow:0 4px 0 #3b3bb8}
.btn.sec{background:#fff;color:var(--pri);box-shadow:0 4px 0 #cfd6f5;border:2px solid var(--line)}
.btn.sm{width:auto;padding:11px 18px;font-size:17px;border-radius:14px}
.btn.danger{background:#fff;color:var(--bad);border:2px solid #f0c4c4;box-shadow:none}
.btn:disabled{opacity:.45;cursor:default}
.card{background:var(--card);border-radius:20px;padding:14px;box-shadow:0 2px 8px #1f2a4414}
.row{display:flex;justify-content:space-between;align-items:center;gap:10px}
.center{text-align:center}.mascot{font-size:76px;line-height:1}
.muted{color:var(--muted);font-size:14px}
.kid{display:flex;align-items:center;gap:12px;width:100%;text-align:start;border:0;background:var(--card);border-radius:20px;padding:12px 14px;box-shadow:0 2px 8px #1f2a4414}
.kid .av{font-size:40px}.kid .grow{flex:1}
.avatars{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.avatars button{font-size:32px;background:#fff;border-radius:50%;width:56px;height:56px;border:3px solid transparent}
.avatars button.sel{border-color:var(--pri)}
input.text{width:100%;padding:13px;border-radius:14px;border:2px solid var(--line);font-size:20px;text-align:center;background:#fff;color:var(--ink)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.chap{border:0;border-radius:20px;padding:14px 10px;color:#fff;text-align:center;min-height:132px;display:flex;flex-direction:column;justify-content:space-between;align-items:center;text-shadow:0 1px 2px #0003}
.chap .ic{font-size:32px}.chap .nm{font-weight:700;font-size:16px}.chap .sub{font-size:13px}
.chap:disabled{filter:grayscale(.7);opacity:.6;cursor:default}
.prog{height:8px;width:100%;background:#ffffff66;border-radius:9px;overflow:hidden}.prog i{display:block;height:100%;background:#fff}
.meter{height:12px;background:#dfe4f7;border-radius:9px;overflow:hidden}.meter i{display:block;height:100%;background:linear-gradient(90deg,var(--pri),var(--pri2))}
.q{font-size:22px;line-height:1.5}
.eq{font-size:30px;text-align:center;direction:ltr;font-weight:700;padding:6px 0;line-height:1.5}
.eqtxt{font-size:20px;line-height:1.6;text-align:start;direction:rtl;font-weight:600}
.opts{display:grid;gap:10px}
.opt{background:#fff;border:3px solid var(--line);border-radius:16px;padding:13px;font-size:20px;display:flex;gap:12px;align-items:center;text-align:start;width:100%}
.opt .l{flex:none;width:34px;height:34px;border-radius:50%;background:#eef0ff;display:grid;place-items:center;font-weight:700;color:var(--pri)}
.opt.ok{border-color:var(--ok);background:#e6f8ef}.opt.bad{border-color:var(--bad);background:#fdeaea}.opt.pick{border-color:var(--pri);background:#eef0ff}
.opt:disabled{cursor:default}
.passage{background:#fffdf3;border:2px dashed #f0d98a;border-radius:16px;padding:12px;font-size:18px;line-height:1.8;max-height:240px;overflow:auto}
.passage h3{margin:0 0 6px;font-size:18px}.passage sup{color:var(--pri);font-weight:700;margin-inline-end:4px}
.fb{border-radius:18px;padding:14px}.fb.good{background:#e6f8ef;color:#0f5a38}.fb.wrong{background:#fdeaea;color:#7d1f1f}
.exp p{margin-top:8px;line-height:1.5}
.tabs{display:flex;background:#fff;border-top:1px solid #e1e5f5;position:sticky;bottom:0}
.tabs button{flex:1;border:0;background:none;padding:9px 4px;font-size:12px;color:var(--muted)}
.tabs button b{display:block;font-size:22px}.tabs .on{color:var(--pri);font-weight:700}
table{width:100%;border-collapse:collapse;font-size:15px}td,th{padding:8px 4px;border-bottom:1px solid #e8ebf8;text-align:start}
.pill{padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700}
.p-ok{background:#e6f8ef;color:#0f5a38}.p-mid{background:#fff3d6;color:#7a4e00}.p-low{background:#fdeaea;color:#7d1f1f}
.stars-big{font-size:52px;text-align:center;letter-spacing:6px}
.badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;text-align:center}
.badge{display:inline-grid;place-items:center;width:68px;height:68px;border-radius:50%;background:#fff;font-size:32px;box-shadow:0 2px 8px #0002}
.badge.lock{filter:grayscale(1);opacity:.4}
.dots{display:flex;gap:5px;flex-wrap:wrap}
.dots button{width:30px;height:30px;border-radius:8px;border:0;background:#dfe4f7;font-size:12px;color:var(--muted)}
.dots .done{background:#c9d4ff;color:var(--ink)}.dots .cur{background:var(--pri);color:#fff}.dots .flag{outline:3px solid var(--warn)}
.timer{font-variant-numeric:tabular-nums}
.tag{font-size:12px;color:var(--muted)}
.toast{position:fixed;inset-inline:16px;bottom:80px;margin:auto;max-width:420px;background:#1f2a44;color:#fff;border-radius:14px;padding:12px 16px;text-align:center}
@media (prefers-reduced-motion:no-preference){.opt,.btn{transition:transform .08s}.opt:active,.btn:active{transform:scale(.98)}}

.spark{display:block;width:100%;height:56px;background:#f6f8ff;border-radius:10px;margin:4px 0 10px}
th{font-size:12px;color:var(--muted);text-align:start;font-weight:600}

.pwa{margin:12px 16px;padding:12px 14px;border-radius:16px;background:#fff;border:2px solid var(--line);text-align:center;font-size:16px}
.pwa .btn{margin-top:8px}
.pwa.upd{border-color:var(--pri)}
/* keyboard open: the bottom tab bar would take space from the field the child is typing in */
#app:has(.text:focus) .tabs{display:none}

/* accessibility: visible focus everywhere, no motion when the user asks for less */
input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,label:focus-within{outline:3px solid var(--pri);outline-offset:2px}
#app:focus{outline:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}