:root{--ground:#f4f6f8;--surface:#fff;--ink:#1b2430;--muted:#4a5565;--line:#dde3ea;--line-strong:#c9d2dc;--soft:#eef1f5;--ok:#1f6b45;--ok-tint:#e5f3eb;--accent:#1d5fa8;--accent-dark:#174c86;--tint:#e6eff9;--radius:16px;color:var(--ink);background:var(--ground);-webkit-text-size-adjust:100%;font-family:Lexend,system-ui,sans-serif}*{box-sizing:border-box}body{background:var(--ground);margin:0}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}a{color:var(--accent)}h1,h2,h3,p{margin:0}.btn{border:1px solid var(--line-strong);background:var(--surface);min-height:48px;color:var(--ink);border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:0 22px;font-weight:500;text-decoration:none;display:inline-flex}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn.primary:hover:not(:disabled){background:var(--accent-dark)}.btn.big{border-radius:18px;min-height:64px;padding:0 40px;font-size:22px}.btn.small{border-radius:9px;min-height:36px;padding:0 12px;font-size:14px}.btn.ghost{color:var(--muted);background:0 0;border-style:dashed}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.muted{color:var(--muted)}.row{align-items:center;gap:12px;display:flex}.stack{flex-direction:column;gap:12px;display:flex}.spacer{flex:1}.pill{background:var(--soft);white-space:nowrap;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:500}.pill.ok{background:var(--ok-tint);color:var(--ok)}.pill.accent{background:var(--tint);color:var(--accent-dark)}.center{text-align:center;place-items:center;min-height:100dvh;padding:24px;display:grid}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.kid{flex-direction:column;gap:28px;max-width:1180px;min-height:100dvh;margin:0 auto;padding:clamp(20px,5vw,56px) clamp(16px,6vw,80px);display:flex}.kid h1{color:var(--accent);font-size:clamp(34px,5vw,52px);font-weight:700}.kid .lead{font-size:clamp(19px,2.4vw,24px);line-height:1.4}.kid .sub{color:var(--muted);max-width:640px;font-size:clamp(16px,1.9vw,18px);line-height:1.5}.plan{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;display:grid}.plan .card{flex-direction:column;gap:10px;padding:24px;display:flex}.plan .card.next{border:2px solid var(--accent)}.plan .card.done{opacity:.6}.plan .label{color:var(--accent);font-size:14px;font-weight:500}.plan .title{font-size:22px;font-weight:600}.icon-tile{background:var(--tint);width:52px;height:52px;color:var(--accent);border-radius:14px;place-items:center;display:grid}.topbar{color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;font-size:16px;display:flex}.dots{gap:8px;display:flex}.dots span{background:var(--line-strong);border-radius:5px;width:40px;height:10px}.dots span.on{background:var(--accent)}.chunk-head h2{font-size:clamp(24px,3vw,32px);font-weight:600}.chunk-head p{color:var(--muted);margin-top:6px;font-size:18px;line-height:1.45}.story{padding:28px 32px;font-size:clamp(21px,2.6vw,28px);line-height:1.45}.story .tag{color:var(--accent);margin-bottom:8px;font-size:14px;font-weight:500;display:block}.eq-row{border:2px dashed var(--line-strong);background:var(--surface);border-radius:16px;flex-wrap:wrap;align-items:center;gap:10px;min-height:84px;padding:10px;display:flex}.eq-row .empty{color:var(--muted);padding:0 8px;font-size:17px}.tile{border:1px solid var(--line-strong);background:var(--surface);border-radius:14px;min-width:64px;height:64px;padding:0 14px;font-size:28px;font-weight:600}.tile.placed{background:var(--tint);border:2px solid var(--accent)}.tiles{flex-wrap:wrap;gap:10px;display:flex}.feedback{background:var(--tint);border-radius:16px;align-items:flex-start;gap:14px;padding:18px 22px;font-size:19px;line-height:1.45;display:flex}.feedback.neutral{background:var(--soft)}.feedback svg{color:var(--accent);flex-shrink:0;margin-top:2px}.answer-input{border:2px solid var(--accent);text-align:center;background:#fff;border-radius:14px;width:120px;height:64px;font-size:30px;font-weight:600}.text-input{border:1px solid var(--line-strong);background:#fff;border-radius:12px;width:100%;min-height:52px;padding:12px 16px;font-size:18px}textarea.text-input{resize:vertical;min-height:110px;line-height:1.45}.passage{max-height:46vh;padding:24px 28px;font-size:19px;line-height:1.65;overflow:auto}.passage h3{margin-bottom:10px;font-size:20px}.passage p+p{margin-top:12px}.options{gap:10px;display:grid}.option{text-align:left;border:1px solid var(--line-strong);background:var(--surface);border-radius:14px;min-height:56px;padding:12px 18px;font-size:18px;line-height:1.35}.option.picked{border:2px solid var(--accent);background:var(--tint)}.option.right{border:2px solid var(--ok);background:var(--ok-tint)}.option.tried{opacity:.45}.steps{gap:10px;display:grid}.step{grid-template-columns:34px 1fr 108px;align-items:center;gap:10px;display:grid}.step .num{background:var(--tint);width:34px;height:34px;color:var(--accent-dark);border-radius:17px;place-items:center;font-weight:600;display:grid}.step select{border:1px solid var(--line-strong);background:#fff;border-radius:12px;height:52px;padding:0 8px;font-size:16px}.breakdown-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-items:start;gap:20px;display:grid}.parking{background:var(--tint);border-radius:var(--radius);flex-direction:column;gap:10px;padding:22px;display:flex}.parking .item{background:#fff;border-radius:10px;justify-content:space-between;gap:8px;padding:10px 14px;font-size:16px;display:flex}.feel{flex-wrap:wrap;gap:12px;display:flex}.done-badge{background:var(--accent);color:#fff;border-radius:56px;place-items:center;width:112px;height:112px;margin:0 auto;display:grid}.wins{flex-direction:column;gap:14px;width:min(100%,680px);margin:0 auto;padding:26px 32px;display:flex}.wins .win{gap:14px;font-size:19px;line-height:1.45;display:flex}.wins .win svg{color:var(--accent);flex-shrink:0;margin-top:2px}.parent{flex-direction:column;gap:16px;max-width:720px;margin:0 auto;padding:20px 16px 120px;display:flex}.parent h1{font-size:26px;font-weight:600}.nav{background:#e4e9ef;border-radius:12px;gap:6px;padding:4px;display:flex}.nav button,.nav a{min-height:40px;color:var(--muted);background:0 0;border:0;border-radius:9px;flex:1;place-items:center;font-size:15px;font-weight:500;text-decoration:none;display:grid}.nav .on{color:var(--ink);background:#fff;font-weight:600}.datebar{align-items:center;gap:8px;display:flex}.datebar .btn{min-height:40px;padding:0 12px}.chunk-card{flex-direction:column;gap:8px;padding:14px;display:flex}.chunk-card .t{font-size:15px;font-weight:600}.chunk-card .d{color:var(--muted);font-size:13px;line-height:1.45}.chunk-card .actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.detail{background:var(--soft);white-space:pre-wrap;border-radius:10px;padding:12px;font-size:13px;line-height:1.5}.field label{color:var(--muted);margin-bottom:4px;font-size:12px;display:block}.field textarea{border:1px solid var(--line-strong);resize:vertical;border-radius:8px;width:100%;min-height:44px;padding:8px 10px;font-size:14px;line-height:1.4}.sticky-actions{padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#f4f6f8f5;position:fixed;bottom:0;left:0;right:0}.sticky-actions>div{gap:8px;max-width:720px;margin:0 auto;display:flex}.sticky-actions .btn{flex:1}.result-row{border-top:1px solid var(--soft);flex-direction:column;gap:4px;padding-top:10px;font-size:14px;display:flex}.quote{font-size:13px;font-style:italic;line-height:1.45}.scans{flex-wrap:wrap;gap:8px;display:flex}.scans img{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:96px;height:120px}.error{color:#9b1c1c;background:#fdecec;border-radius:10px;padding:10px 12px;font-size:14px}.week{border-collapse:collapse;width:100%;font-size:13px}.week th,.week td{text-align:center;border-bottom:1px solid var(--soft);padding:6px 4px}.week th:first-child,.week td:first-child{text-align:left}.sheet{color:#111;background:#fff;max-width:8.5in;margin:0 auto;padding:.5in .6in;font-family:Andika,Lexend,sans-serif}.sheet header{justify-content:space-between;align-items:baseline;margin-bottom:.15in;font-family:Lexend,sans-serif;display:flex}.sheet header h1{font-size:20pt}.sheet .note{color:#444;margin-bottom:.2in;font-family:Lexend,sans-serif;font-size:11pt}.hw{break-inside:avoid;width:100%;height:auto;margin-bottom:.1in;display:block}.sheet h2{margin:.18in 0 .06in;font-family:Lexend,sans-serif;font-size:12pt;font-weight:600}.print-bar{gap:8px;max-width:8.5in;margin:16px auto;padding:0 16px;display:flex}@media print{body{background:#fff}.print-bar{display:none}.sheet{max-width:none;padding:0}@page{size:letter;margin:.5in}}