/* v139 Pre-K pages: color pictures with a one-tap black-and-white (low-ink) mode. Uses the site's lp.css tokens. */
.prek .pk-b{display:none}html.pk-bw .prek .pk-c{display:none}html.pk-bw .prek .pk-b{display:inline}
html.pk-bw .prek .pk-art img,html.pk-bw .prek .pk-art svg{filter:grayscale(1)}
.prek .pk-free,.prek .pk-seq,.prek .pk-paid{font-size:.95rem;border-left:4px solid #2e6d4f;background:#eff5f1;padding:.6rem .8rem;border-radius:6px;margin:.6rem 0}
.prek .pk-seq{border-left-color:#1b2944;background:#f3f6fb}.prek .pk-paid{border-left-color:#b9751a;background:#fdf7ec}
.prek .pk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}
.prek .pk-sheet{margin:0;border:1px solid #d5dbe5;border-radius:10px;padding:.8rem;background:#fff}.prek .pk-sheet h3{margin:.1rem 0 .4rem}
.prek .pk-art svg{width:100%;height:auto;max-height:320px}.prek .pk-art .words{display:flex;justify-content:space-around}.prek .pk-art .w{text-align:center}.prek .pk-art .wico svg{width:72px;height:72px}
.prek .pk-art table.cnt{width:100%;border-collapse:collapse}.prek .pk-art td{border-bottom:1px solid #e3e7ee;padding:4px}.prek .pk-art .cico svg{width:40px;height:40px}.prek .pk-art .dot{display:inline-block;width:18px;height:18px;border:2px solid #1b2944;border-radius:50%;margin:0 2px}
.prek .pk-art .namebox{height:70px;border:2px solid #1b2944;border-radius:8px;margin:.3rem auto;max-width:220px}.prek .pk-art .namebox span{font-size:.75rem;padding:4px;color:#56627c}.prek .pk-art .drawframe{height:160px;border:2px solid #1b2944;border-radius:10px}
.prek .say{background:#f6f8fc;border-left:4px solid #b9751a;padding:.4rem .6rem;border-radius:6px;font-size:.92rem}
.prek .pk-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}.prek .pk-card{border:2px solid #1b2944;border-radius:10px;padding:.8rem}.prek .pk-card h3{margin:0 0 .2rem}
.prek .pk-song{border:2px solid #1b2944;border-radius:10px;padding:.8rem 1rem;font-size:1.15rem}.prek .pk-song p{margin:.15rem 0}
.prek .pk-levels{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.prek .pk-level{display:block;border:2px solid #1b2944;border-radius:12px;padding:1rem;text-decoration:none;color:inherit}.prek .pk-level b{display:block;font-size:1.1rem;margin-bottom:.3rem}.prek .pk-level.soon{border-style:dashed;opacity:.85}
.prek .pk-pick fieldset{border:0;padding:0;margin:.5rem 0}.prek .pk-pick legend{font-weight:700;margin-bottom:.2rem}.prek .pk-pick label{display:inline-flex;align-items:center;gap:.3rem;margin-right:1rem;min-height:44px}
.prek .pk-pickout{font-weight:700;margin-top:.5rem}
.prek .pk-dl .btn.alt{background:#fff;color:#1b2944;border:2px solid #1b2944}.prek .pk-bwbtn{min-height:44px;border:2px solid #1b2944;background:#fff;border-radius:8px;padding:.4rem .9rem;font:inherit;cursor:pointer}.prek .pk-bwbtn[aria-pressed="true"]{background:#1b2944;color:#fff}
.prek .pk-pn{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin:1rem 0}
.prek .rc3{display:inline-flex;gap:.3rem;flex-wrap:wrap;margin:.3rem 0}.prek .rc3 button{min-height:40px;border:1.5px solid #1b2944;background:#fff;border-radius:999px;padding:.2rem .7rem;font:inherit;font-size:.85rem;cursor:pointer}.prek .rc3 button[aria-pressed="true"]{background:#1b2944;color:#fff}
.prek .rwatch{font-size:.85rem;display:block}
@media print{.prek .pk-bwbtn,.prek .pk-dl,.prek .crumbs,.prek .rc3{display:none}}

.bigfig{max-width:100%;overflow-x:auto}.bigfig svg{max-width:100%;height:auto}
.prek .tablewrap{max-width:100%;overflow-x:auto}.lp.prek>*{min-width:0;max-width:100%}
@media (max-width:640px){.prek .tablewrap table,.prek .tablewrap tbody,.prek .tablewrap tr,.prek .tablewrap td{display:block;width:auto}.prek .tablewrap thead{display:none}.prek .tablewrap tr{border-bottom:1px solid #d6dde8;padding:10px 12px}.prek .tablewrap td{border:0;padding:2px 0}.prek .tablewrap td:first-child{font-weight:700;font-size:1.05rem;padding-bottom:4px}.prek .ym td:nth-child(2)::before{content:"Weeks: ";font-weight:700}.prek .ym td:nth-child(3)::before{content:"Letters: ";font-weight:700}.prek .ym td:nth-child(4)::before{content:"Math: ";font-weight:700}.prek .ym td:nth-child(5)::before{content:"Explore: ";font-weight:700}}
.prek .pk-dl .btn{display:block;width:100%;max-width:440px;margin:0 0 10px;box-sizing:border-box}.prek .pk-dl .btn .lockmark{display:none}.prek .pk-dl .btn .lockword{display:block;font-size:.85em;font-weight:600;margin-top:2px}.prek .pk-dl .btn.alt .lockword{color:#2e6d4f}
@media (max-width:640px){.prek .tablewrap td{background:transparent}.prek .tablewrap tr:nth-child(even){background:#f4f7fc}}
.prek .pk-dl .btn{padding:12px 18px;line-height:1.3;border-radius:12px}.prek .pk-dl .pk-bwbtn{margin-top:4px}
@media (max-width:640px){.prek .wk td:nth-child(2)::before{content:"Focus: ";font-weight:700}.prek .wk td:nth-child(3)::before{content:"What to do: ";font-weight:700}}
.prek .pk-prep{padding:16px 20px}.prek .pk-prep h2,.prek .pk-prep h3{margin-top:0}
.prek h3.pk-unit{margin:22px 0 8px;font-size:1.1rem}.prek ul.links{align-items:stretch}.prek ul.links li{display:flex}.prek ul.links li>a{flex:1}
.prek .pk-picker{padding:20px 24px}.prek .pk-picker h2{margin-top:0}
/* v141 hub weeks */
/* v141 Pre-K hub: unit cards with week tiles, the Pre-K 3 / Pre-K 4 switch and the level picker. Written into assets/prek.css by
   hub_assets.py (edit here, then re-run it). Brand: navy #15233c / #1e3a8a, blue #1d3fb5, gold #ffd23f; site fonts via --display / --body. */
.prek .pk-weeks{gap:16px}
.prek .pk-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:6px;background:#eef2fc;border:1.5px solid #c9d5ec;border-radius:16px}
.prek .pk-tabs[hidden]{display:none}
.prek .pk-tabs [role="tab"]{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:60px;padding:8px 10px;border:0;border-radius:11px;background:transparent;color:#15233c;font:inherit;cursor:pointer;text-align:center;transition:background .12s,color .12s}
.prek .pk-tabs [role="tab"] b{font:800 19px/1.15 var(--display)}.prek .pk-tabs [role="tab"] small{font-size:16px;color:#38455f}
.prek .pk-tabs [role="tab"]:hover{background:#fff}
.prek .pk-tabs [role="tab"][aria-selected="true"]{background:#15233c;color:#fff;box-shadow:0 2px 0 #ffd23f inset,0 6px 16px -10px rgba(21,35,60,.7)}
.prek .pk-tabs [role="tab"][aria-selected="true"] small{color:#ffd23f}
.prek .pk-tabs [role="tab"]:focus-visible,.prek .pk-wk:focus-visible,.prek .pk-res a:focus-visible{outline:3px solid #ffd23f;outline-offset:2px;box-shadow:0 0 0 5px #15233c}
.prek .pk-panel{display:grid;gap:16px;min-width:0}.prek .pk-panel[hidden]{display:none}.prek .pk-panel>h2{margin:6px 0 0}
.prek .pk-tabs-on .pk-panel{scroll-margin-top:90px}
/* unit card */
.prek .pk-u{border:1.5px solid #c9d5ec;border-radius:18px;background:#f5f8fe;overflow:hidden}
.prek h3.pk-uh{display:flex;align-items:center;gap:12px;margin:0;padding:12px 16px;background:#15233c;color:#fff;font-size:inherit;border-bottom:4px solid #ffd23f}
.prek .pk-ub{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#ffd23f;color:#15233c;font:800 19px/1 var(--display)}
.prek .pk-uic{flex:none;display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:#fff}.prek .pk-uic svg{width:40px;height:34px;display:block}
.prek .pk-ut{display:flex;flex-direction:column;min-width:0}
.prek .pk-vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.prek .pk-uk{font:700 16px/1.2 var(--body);color:#c6d3ea}
.prek .pk-un{font:800 21px/1.2 var(--display);color:#fff;overflow-wrap:anywhere}
/* week tiles */
.prek ol.pk-wks{list-style:none;margin:0;padding:14px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.prek ol.pk-wks li{display:flex;min-width:0}
.prek a.pk-wk{flex:1;display:flex;flex-direction:column;gap:9px;min-height:44px;padding:12px 13px 13px;border:1.5px solid #c9d5ec;border-radius:13px;background:#fff;color:#15233c;text-decoration:none;box-shadow:0 1px 2px rgba(21,35,60,.06);transition:border-color .12s,box-shadow .12s,transform .08s,background .12s}
.prek a.pk-wk:hover{border-color:#1d3fb5;box-shadow:0 2px 4px rgba(21,35,60,.05),0 12px 24px -16px rgba(21,35,60,.45);transform:translateY(-2px)}
.prek a.pk-wk:active{transform:translateY(0);background:#eef2fc}
.prek .pk-wn{align-self:flex-start;display:inline-flex;align-items:baseline;gap:6px;padding:4px 11px 5px;border-radius:999px;background:#15233c;color:#fff}
.prek .pk-wn small{font:700 16px/1 var(--body);color:#dfe6f4}.prek .pk-wn b{font:800 24px/1 var(--display);color:#ffd23f}
.prek .pk-wt{display:flex;flex-direction:column;gap:5px;min-width:0}
.prek .pk-l1{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;font:700 16px/1.3 var(--body)}
.prek .pk-f{display:inline-flex;align-items:center;gap:8px;min-width:0;overflow-wrap:anywhere}
.prek .pk-lt{flex:none;display:inline-grid;place-items:center;min-width:34px;height:30px;padding:0 6px;border-radius:8px;background:#e7ecfc;color:#1d3fb5;border:1.5px solid #b9c7ee;font:800 17px/1 var(--display);letter-spacing:.02em}
.prek .pk-f-i::before,.prek .pk-m::before{content:"";flex:none;width:22px;height:22px;border-radius:7px;background:#e7ecfc center/16px 16px no-repeat}
.prek .pk-f-i::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3l2.6 5.6 6 .7-4.5 4.1 1.2 6L12 16.4 6.7 19.4l1.2-6L3.4 9.3l6-.7z' fill='%23ffd23f' stroke='%231d3fb5' stroke-width='1.8' stroke-linejoin='round'/%3E%3C/svg%3E")}
.prek .pk-m{display:flex;align-items:flex-start;gap:8px;font:400 16px/1.35 var(--body);color:#38455f;overflow-wrap:anywhere}
.prek .pk-m::before{background-color:#fff4cc;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='5' cy='12' r='3' fill='%231d3fb5'/%3E%3Ccircle cx='12' cy='12' r='3' fill='%231d3fb5'/%3E%3Ccircle cx='19' cy='12' r='3' fill='%23ffffff' stroke='%231d3fb5' stroke-width='1.6'/%3E%3C/svg%3E");margin-top:-1px}
/* review weeks */
.prek a.pk-wk.is-review{background:#fffaf0;border-color:#e9cf7a}
.prek a.pk-wk.is-review:hover{border-color:#8a6a00}
.prek a.pk-wk.is-review .pk-wn{background:#ffd23f;color:#15233c}.prek a.pk-wk.is-review .pk-wn small{color:#15233c}.prek a.pk-wk.is-review .pk-wn b{color:#15233c}
.prek .pk-rv{display:inline-flex;align-items:center;gap:6px;padding:3px 10px 3px 8px;border-radius:999px;background:#15233c;color:#ffd23f;font:700 16px/1.3 var(--body)}
.prek .pk-rv::before{content:"";width:14px;height:14px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffd23f' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 12a8 8 0 1 1-2.4-5.7M20 4v5h-5'/%3E%3C/svg%3E") center/contain no-repeat}
/* level picker */
.prek .pk-picker{padding:22px 24px;background:#fff;border:1.5px solid #c9d5ec;border-top:6px solid #ffd23f;border-radius:18px}
.prek .pk-pick fieldset{margin:.9rem 0 0}.prek .pk-pick legend{font:700 18px/1.3 var(--body);margin-bottom:.5rem;color:#15233c}
.prek .pk-pick label{position:relative;display:inline-flex;align-items:center;gap:10px;min-height:52px;min-width:64px;margin:0 8px 8px 0;padding:8px 20px 8px 14px;border:2px solid #9fb3d6;border-radius:999px;background:#fff;color:#15233c;font:700 18px/1.2 var(--body);cursor:pointer;transition:background .12s,border-color .12s}
.prek .pk-pick label:hover{border-color:#1d3fb5;background:#eef2fc}
.prek .pk-pick input[type="radio"]{width:22px;height:22px;margin:0;accent-color:#15233c;cursor:pointer}
.prek .pk-pick label:has(input:checked){background:#15233c;border-color:#15233c;color:#fff}
.prek .pk-pick label:has(input:checked) input{accent-color:#ffd23f}
.prek .pk-pick label:has(input:focus-visible){outline:3px solid #ffd23f;outline-offset:2px}
.prek .pk-pickout{margin-top:.8rem;font-weight:400}.prek .pk-pickout:empty{display:none}
.prek .pk-res{display:grid;gap:8px;padding:18px 20px;border-radius:16px;background:#15233c;color:#eaf0fb;border-bottom:5px solid #ffd23f}
.prek .pk-res p{margin:0;max-width:62ch;font-size:17px}.prek .pk-res a{color:#fff;text-decoration-color:#ffd23f}
.prek .pk-res .pk-res-k{font:700 16px/1.2 var(--body);color:#ffd23f}
.prek .pk-res .pk-res-h{font:800 24px/1.2 var(--display);color:#fff}
.prek .pk-res .pk-res-go{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:6px}
.prek .pk-res .btn.pk-start{min-height:50px;padding:0 24px;font-size:17px;color:#15233c;text-decoration:none}
.prek .pk-res .pk-res-all{font-weight:700;min-height:44px;display:inline-flex;align-items:center}
/* phones and tablets */
@media (max-width:820px){.prek ol.pk-wks{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.prek ol.pk-wks{padding:10px;gap:8px}.prek a.pk-wk{padding:10px 10px 12px}.prek h3.pk-uh{padding:10px 12px;gap:10px}.prek .pk-uic{width:40px;height:40px}.prek .pk-uic svg{width:34px;height:29px}.prek .pk-un{font-size:19px}.prek .pk-picker{padding:18px 16px}.prek .pk-pick label{padding:8px 16px 8px 12px}.prek .pk-tabs [role="tab"] b{font-size:17px}}
@media (max-width:340px){.prek ol.pk-wks{grid-template-columns:1fr}}
@media print{.prek .pk-tabs{display:none!important}.prek .pk-panel[hidden]{display:grid!important}.prek a.pk-wk{box-shadow:none;break-inside:avoid}}
@media (prefers-reduced-motion:reduce){.prek a.pk-wk,.prek .pk-tabs [role="tab"],.prek .pk-pick label{transition:none}.prek a.pk-wk:hover{transform:none}}
/* /v141 hub weeks */