:root{--navy:#0b1f4d;--gold:#f2b705;--gold2:#ffc82e;--blue:#1d4fa3;--cream:#fbf7ee;--gb:#fde8a6;--bb:#dbe5f5;--green:#1a7340}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;color:var(--navy);font-family:Poppins,Nunito,"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;font-size:19px;line-height:1.45;
 background:var(--cream);background-image:radial-gradient(circle at 100% 0,var(--gb) 0,rgba(253,232,166,0) 340px),radial-gradient(circle at 0 100%,var(--bb) 0,rgba(219,229,245,0) 420px);background-attachment:fixed;
 min-height:100vh;display:flex;flex-direction:column}
.wrap{max-width:1100px;margin:0 auto;padding:0 18px;width:100%}
main{flex:1;padding-bottom:36px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--navy);padding:10px 14px;z-index:99;font-weight:700}
.skip:focus{left:8px;top:8px}
a{color:var(--blue)}
:focus-visible{outline:4px solid var(--gold);outline-offset:2px}
/* header */
.top{background:var(--navy);color:#fff}
.topin{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px}
.brand{display:flex;gap:12px;align-items:center;color:#fff;text-decoration:none}
.brand b{display:block;font-size:22px;line-height:1.1}.brand small{display:block;color:var(--gold2);font-size:14px;font-weight:600;letter-spacing:.04em}
.logo{width:48px;height:48px;border-radius:50%;background:var(--blue);display:grid;place-items:center;font-size:26px;border:3px solid var(--gold)}
.nav{display:flex;flex-wrap:wrap;gap:8px}
.navbtn{display:inline-block;min-height:44px;padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff;text-decoration:none;font-weight:700;font-size:16px;white-space:nowrap}
.navbtn:hover{background:rgba(255,255,255,.25)}
.navbtn.on{background:var(--gold);color:var(--navy)}
.stripe{height:7px;background:var(--gold)}
/* headings */
h1{font-size:44px;line-height:1.1;margin:.2em 0 .25em;font-weight:800}
h2{font-size:30px;margin:1.5em 0 .5em;font-weight:800;display:flex;align-items:center;gap:8px}
h2::after{content:"";flex:1;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--gold),rgba(242,183,5,0))}
h3{font-size:22px;margin:.1em 0 .2em}h4{font-size:21px;margin:.1em 0 .2em;line-height:1.2}
h3.unit{margin:1.2em 0 .6em;display:inline-block;background:var(--navy);color:#fff;padding:7px 18px;border-radius:999px;font-size:20px}
.lead{font-size:23px;margin:.2em 0 .8em;max-width:46em}
.note{margin:.2em 0 .8em;color:#34476f}
.hero{padding:30px 0 6px}.hero.small{padding-top:14px}
.crumb{margin:0;font-size:17px;font-weight:700}
.jump{display:flex;flex-wrap:wrap;gap:10px;margin:.4em 0}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:50px;padding:10px 22px;border-radius:999px;font-weight:800;font-size:19px;text-decoration:none;border:3px solid transparent;cursor:pointer;line-height:1.1}
.btn.gold{background:var(--gold);color:var(--navy);border-color:var(--navy)}.btn.gold:hover{background:var(--gold2)}
.btn.blue{background:var(--blue);color:#fff}.btn.blue:hover{background:#163f86}
.btn.ghost{background:#fff;color:var(--blue);border-color:var(--blue)}.btn.ghost:hover{background:var(--bb)}
.pill{display:inline-block;padding:3px 12px;border-radius:999px;font-weight:800;font-size:14px;letter-spacing:.02em}
.pill.lv1{background:var(--blue);color:#fff}.pill.lv2{background:var(--gold);color:var(--navy)}
.date{font-size:15px;font-weight:700;color:var(--blue)}
.meta{margin:.1em 0 .6em;font-size:15px;color:#4a5b80}
/* home tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.tile{display:flex;flex-direction:column;gap:6px;padding:20px;border-radius:26px;text-decoration:none;color:var(--navy);background:#fff;border:4px solid var(--navy);box-shadow:0 6px 0 var(--navy);transition:transform .1s}
.tile:hover{transform:translateY(-3px)}
.tile.transitions{border-color:var(--blue);box-shadow:0 6px 0 var(--blue)}
.tile.sel{border-color:var(--gold);box-shadow:0 6px 0 var(--gold)}
.ti{width:70px;height:70px;border-radius:50%;background:var(--blue);display:grid;place-items:center;font-size:38px}
.tile.sel .ti{background:var(--gold)}
.tt{font-size:25px;font-weight:800;line-height:1.1}.td{font-size:16px;color:#34476f;flex:1}
.go{align-self:flex-start;background:var(--navy);color:#fff;border-radius:999px;padding:7px 18px;font-weight:800}
/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:18px}
.card{background:#fff;border-radius:24px;border:3px solid var(--bb);box-shadow:0 4px 0 rgba(11,31,77,.12);overflow:hidden}
.game,.video{display:flex;gap:14px;padding:16px;align-items:flex-start}
.gicon{flex:none;width:68px;height:68px;border-radius:50%;background:var(--blue);display:grid;place-items:center;font-size:36px}
.video .gicon{background:var(--gold)}
.gtxt{flex:1;min-width:0}.gtxt p{margin:.2em 0 .7em;font-size:16px}
.deck{display:flex;flex-direction:column}
.thumb{display:block;background:var(--bb);line-height:0}
.thumb img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.dtxt{padding:12px 16px 16px}
.btns{display:flex;flex-wrap:wrap;gap:8px}
.newlist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.newlist li{background:#fff;border-radius:18px;padding:10px 16px;border:3px solid var(--bb);font-weight:700}
.newlist a{font-size:20px}
/* footer */
.foot{background:var(--navy);color:#fff;text-align:center;padding:16px 0;font-weight:600;border-top:6px solid var(--gold)}
@media(max-width:640px){body{font-size:18px}h1{font-size:34px}h2{font-size:26px}.lead{font-size:20px}.brand b{font-size:19px}
 .nav{width:100%}.navbtn{flex:1 1 44%;text-align:center;font-size:15px;padding:9px 6px}.grid{grid-template-columns:1fr}.btn{flex:1 1 auto}.topin{padding-top:10px}}
@media print{.top,.foot,.nav{display:none}body{background:#fff}}

/* v2 additions */
.btn.sm{min-height:42px;padding:7px 16px;font-size:16px}
.pill.draft{background:#fff;color:var(--navy);border:2px dashed var(--navy)}
.kind{display:inline-block;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#4a5b80;margin-left:6px}
.grid.rows{grid-template-columns:repeat(auto-fill,minmax(360px,1fr))}
.row{display:flex;gap:14px;padding:12px}
.thumb2{flex:none;width:96px;height:124px;background:var(--bb);border-radius:12px;overflow:hidden;line-height:0;border:2px solid var(--bb)}
.thumb2 img{width:96px;height:124px;object-fit:contain;background:#fff}
.itxt{flex:1;min-width:0}.itxt h4{font-size:19px}.itxt .sub{margin:.1em 0 .5em;font-size:15px}.itxt .meta{margin-bottom:.4em}
.searchbar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin:.6em 0}
.searchbar label{font-weight:800}.searchbar input{flex:1 1 260px;max-width:520px;min-height:48px;padding:8px 16px;border-radius:999px;border:3px solid var(--navy);font-size:18px;font-family:inherit;background:#fff;color:var(--navy)}
section#teacher .card{border-color:var(--navy);background:#f3f6fc}
section#teacher h2{color:#fff;background:var(--navy);border-radius:16px;padding:8px 16px}section#teacher h2::after{display:none}
.counts li b{color:var(--blue)}
[hidden]{display:none!important}
@media(max-width:640px){.grid.rows{grid-template-columns:1fr}.row{padding:10px}}

.labblock{border:3px dashed var(--gold);border-radius:16px;padding:4px 14px 10px;margin:12px 0;background:#fffdf5}.labblock h4 small{font-weight:600;color:#4a5876}
/* inclusion course pages */
.unitlist{list-style:none;padding:0;margin:.4em 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:8px}
.unitlist li{background:#fff;border:2px solid var(--bb);border-radius:14px;padding:8px 12px;font-size:17px}
.unitlist li.soon{opacity:.72;border-style:dashed}.unitlist .un{font-weight:800;color:#4a5b80;font-size:14px;text-transform:uppercase;letter-spacing:.04em}
.dtxt .sub{font-size:15px;margin:.1em 0 .5em}
.lvgroup{border:3px solid var(--bb);border-radius:18px;padding:6px 14px 10px;margin:.7em 0;background:#fff}
.lvgroup.lv1{border-color:var(--blue)}.lvgroup.lv2{border-color:var(--gold)}
.lvh{font-size:21px;margin:.4em 0}
.lvtabs{display:flex;flex-wrap:wrap;gap:14px;margin:.5em 0 .3em}
.lvtab{flex:1 1 260px;display:flex;flex-direction:column;gap:2px;min-height:72px;padding:12px 22px;border-radius:22px;border:4px solid var(--navy);background:#fff;color:var(--navy);text-decoration:none;font-weight:800;font-size:26px;line-height:1.15;box-shadow:0 5px 0 var(--navy);cursor:pointer}
.lvtab small{font-size:16px;font-weight:600}
.lvtab.lv1{border-color:var(--blue);box-shadow:0 5px 0 var(--blue)}.lvtab.lv2{border-color:var(--gold);box-shadow:0 5px 0 var(--gold)}
.lvtab.lv1.on{background:var(--blue);color:#fff}.lvtab.lv2.on{background:var(--gold);color:var(--navy)}
.lvtab:hover{transform:translateY(-2px)}.lvtab:focus-visible{outline:4px solid var(--navy);outline-offset:4px}
.lvtab.on::after{content:"✓ Showing";font-size:15px;font-weight:800}
.lvshow{margin:.2em 0 .6em}h4.unit{font-size:18px;margin:.6em 0 .3em}
/* class pages unit by unit (2026-10-30) */
.lesson{border:3px solid var(--bb);border-radius:18px;padding:6px 14px 12px;margin:.8em 0;background:#fff}
.lvonly.lv1 .lesson{border-color:var(--blue)}.lvonly.lv2 .lesson{border-color:var(--gold)}
.lesson.unitwide{border-style:dashed;background:#fffdf5}
.lessonh{font-size:21px;margin:.4em 0 .5em}.lessonh .date{margin-right:6px}
.tline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px;padding:8px 10px;border-radius:12px;background:#f3f6fc}
.tline .tl{font-weight:800;color:var(--navy)}
.pill.now{background:var(--gold);color:var(--navy)}.pill.lab{background:#fff3e0;color:#8a4b00;border:2px solid #e0a526}
/* unit tabs (2026-10-31) */
.utabs{display:flex;flex-wrap:wrap;gap:10px;margin:.5em 0 .2em;padding:0;list-style:none}
.utab{flex:0 1 auto;min-width:150px;max-width:260px;min-height:64px;display:flex;flex-direction:column;justify-content:center;gap:1px;padding:8px 16px;border-radius:18px;border:3px solid var(--blue);background:#fff;color:var(--navy);text-decoration:none;font-weight:800;line-height:1.15;box-shadow:0 4px 0 var(--blue);cursor:pointer}
.utab .un{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:inherit;opacity:.85}.utab .ut{font-size:19px}.utab .ust{font-size:13px;font-weight:700}
.utab:hover{transform:translateY(-2px)}.utab:focus-visible{outline:4px solid var(--navy);outline-offset:3px}
.utab.on{background:var(--blue);color:#fff;border-color:var(--navy);box-shadow:0 4px 0 var(--navy)}.utab.on .ut::after{content:" ✓"}
.utab.now:not(.on){border-color:var(--gold);box-shadow:0 4px 0 var(--gold)}
.utab.soon{opacity:.7;border-style:dashed;box-shadow:none;cursor:default;font-weight:700}
html.tabs-on:not(.searching) .unitpane:not(.on){display:none}
html:not(.tabs-on) .utabhint{display:none}
.paneend{margin:.3em 0 1.2em}.uanchor{display:block;position:relative;top:-10px}
.totop{position:fixed;right:16px;bottom:16px;z-index:50;min-height:52px;display:flex;align-items:center;padding:8px 18px;border-radius:999px;background:var(--navy);color:#fff;font-weight:800;font-size:18px;text-decoration:none;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.totop:focus-visible{outline:4px solid var(--gold);outline-offset:3px}
@media(max-width:640px){.utab{flex:1 1 140px;min-width:0;padding:8px 12px}.utab .ut{font-size:17px}.totop{right:10px;bottom:10px;font-size:16px;min-height:46px}}
@media(max-width:640px){.searchbar input{flex:1 1 100%;min-width:0;width:100%;box-sizing:border-box}}
@media print{.utabs,.totop,.paneend{display:none}html.tabs-on .unitpane{display:block!important}}