:root{--bg:#f6efe2;--paper:#fffaf0;--ink:#2b3a2a;--mute:#6a6a58;--green:#2f4a2c;--sage:#e3ebd8;--orange:#e8692c;--gold:#f2b544;--m:#e8692c;--d:#2f8f88;--acc:var(--m);--sh:0 8px 22px rgba(60,45,20,.16);--r:18px}
body.s-d{--acc:var(--d)}
*{box-sizing:border-box}html,body{margin:0}
body{font-family:Heebo,Assistant,"Segoe UI",Arial,sans-serif;color:var(--ink);line-height:1.6;font-size:16.5px;min-height:100vh;
background:#f3ead8 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cg fill='none' stroke='%23c9b98f' stroke-opacity='.35' stroke-width='1.2'%3E%3Cpath d='M-20 60c60-40 120 30 180-10s80 20 100 0'/%3E%3Cpath d='M-20 100c60-40 120 30 180-10s80 20 100 0'/%3E%3Cpath d='M-20 150c50-30 130 40 190 0s70 10 90-5'/%3E%3Cpath d='M-20 200c60-30 120 30 180 0s80 20 100 0'/%3E%3C/g%3E%3C/svg%3E")}
h1,h2,h3,.disp{font-family:"Secular One",Heebo,sans-serif;font-weight:400;color:var(--green)}
a{color:#1f6f8b}button{font:inherit;cursor:pointer;color:inherit}
.top{position:sticky;top:0;z-index:20;background:linear-gradient(180deg,#2f4a2c,#3d5c37);color:#fff;box-shadow:0 4px 14px rgba(0,0,0,.25);padding:8px 10px 0}
.brand{display:flex;gap:10px;align-items:center}.brand img{width:46px;height:46px;border-radius:12px;object-fit:cover;border:2px solid #f2d79a}.brand b{display:block;font-family:"Secular One",Heebo;font-weight:400;font-size:16px}.brand small{color:#e9dfc4;font-size:12px}
.sess{display:flex;gap:6px;margin:8px 0 6px}.sess button{flex:1;border:0;border-radius:999px;padding:7px 6px;background:rgba(255,255,255,.14);color:#f4ecd6;font-weight:700;font-size:14px}
.sess button.on[data-s=m]{background:var(--m);color:#fff}.sess button.on[data-s=d]{background:var(--d);color:#fff}
.sess.hide{display:none}
.tabs{display:flex;gap:6px;overflow-x:auto;padding:4px 0 9px;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:none;text-decoration:none;color:#fff;background:rgba(255,255,255,.12);border-radius:12px;padding:7px 12px;font-size:14px;font-weight:500;white-space:nowrap}.tabs a.on{background:#f6efe2;color:var(--green);font-weight:700}
main{max-width:980px;margin:0 auto;padding:16px 12px 30px}
h1{font-size:27px;margin:6px 0 4px;line-height:1.25}h2{font-size:22px;margin:24px 0 8px;line-height:1.3}h3{font-size:19px;margin:6px 0}
.lead{color:var(--mute);margin:0 0 12px}
.card{position:relative;background:var(--paper);border-radius:var(--r);box-shadow:var(--sh);padding:18px 16px 16px;margin:16px 0;border:1px solid #eadfc6}
.card.tape:before{content:"";position:absolute;top:-11px;right:50%;transform:translateX(50%) rotate(-3deg);width:96px;height:22px;background:rgba(242,215,154,.85);box-shadow:0 1px 3px rgba(0,0,0,.15)}
.card.lined{background:var(--paper) repeating-linear-gradient(180deg,transparent 0 31px,#e8dcc0 31px 32px)}
.sticky{background:#ffe68a;padding:12px 14px;border-radius:4px;box-shadow:3px 5px 12px rgba(0,0,0,.18);transform:rotate(-1deg);font-weight:500;margin:12px 4px}
.sticky.alt{background:#ffd2b3;transform:rotate(1deg)}
.voice{background:var(--sage);border-radius:14px;padding:12px 14px;margin:12px 0;border-inline-start:5px solid var(--green)}
.voice b{display:block;color:var(--green);font-family:"Secular One",Heebo;font-weight:400;margin-bottom:4px}.voice p{margin:4px 0}
.hero{display:grid;gap:14px;align-items:center}.hero img{width:100%;border-radius:var(--r);box-shadow:var(--sh);border:5px solid #fffaf0}
@media(min-width:760px){.hero{grid-template-columns:1.1fr 1fr}}
.pill{display:inline-block;background:#f6d79b;color:#6b4400;border-radius:999px;padding:2px 10px;font-size:12.5px;font-weight:700}
.ours{background:#dbe7f7;color:#2b4a8a}.hers{background:#e8692c;color:#fff}
.btn{display:inline-block;text-decoration:none;border:0;border-radius:14px;padding:10px 16px;background:var(--acc);color:#fff!important;font-weight:700;box-shadow:0 4px 10px rgba(0,0,0,.15)}.btn.ghost{background:#fffaf0;color:var(--green)!important;border:1.5px solid #d9c9a3}.btn.g{background:var(--green)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.stage{position:relative;background:var(--paper);border-radius:22px;box-shadow:var(--sh);overflow:hidden;touch-action:pan-y;border:1px solid #eadfc6}
.slide{padding:20px 18px 18px;min-height:420px;background:radial-gradient(circle at 100% 0,color-mix(in srgb,var(--acc) 14%,#fffaf0) 0,#fffaf0 55%)}
.slide .kick{font-size:12.5px;color:var(--mute);font-weight:700}
.slide h2{margin:4px 0 4px;font-size:24px}.slide .sub{color:var(--mute);margin:0 0 10px}
.slide img.ill{width:100%;max-height:260px;object-fit:cover;border-radius:16px;margin:6px 0 10px}
.slide p{margin:6px 0}.slide h4{margin:12px 0 4px;color:var(--acc);font-size:16.5px}
.q{background:#fff3cf;border-inline-start:4px solid var(--gold);padding:6px 10px;border-radius:10px;font-weight:500}
.src{font-size:12.5px;color:var(--mute)}
.lets{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:8px 0}
.let{display:flex;gap:10px;background:#fff;border-radius:14px;padding:10px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.let .L{flex:none;width:44px;height:44px;border-radius:12px;background:var(--acc);color:#fff;font-size:24px;font-weight:800;display:grid;place-items:center}
.let b{display:block}.let span{display:block;font-size:14.5px}
.ctrl{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;background:#efe5cd;border-top:1px solid #e0d2b0}
.ctrl button{border:0;background:#fffaf0;border-radius:12px;padding:8px 14px;box-shadow:0 2px 6px rgba(0,0,0,.1);font-weight:700}
.dots{font-size:13px;color:var(--mute)}
.notes summary{font-weight:700;cursor:pointer;color:var(--green)}.notes div{white-space:pre-wrap;font-size:14.5px;background:#fffdf5;padding:10px;border-radius:12px;margin-top:6px}
.stage:fullscreen{overflow:auto;border-radius:0}.stage:fullscreen .slide{min-height:calc(100vh - 60px);font-size:21px;max-width:1100px;margin:0 auto}
.imgstage img{display:block;width:100%;height:auto;background:#e9dfc8;aspect-ratio:1720/960}
.imgstage:fullscreen{display:flex;flex-direction:column;justify-content:center;background:#1c2a1b}.imgstage:fullscreen img{max-height:calc(100vh - 60px);object-fit:contain}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.flip{perspective:1200px;height:270px;border:0;background:none;padding:0;text-align:inherit;width:100%}
.flip .in{position:relative;width:100%;height:100%;transition:transform .7s cubic-bezier(.3,1.4,.5,1);transform-style:preserve-3d}
.flip.on .in{transform:rotateY(180deg)}
.flip .f,.flip .b{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:20px;padding:18px;display:flex;flex-direction:column;box-shadow:var(--sh);overflow:auto}
.flip .f{background:linear-gradient(145deg,var(--c1),var(--c2));color:#fff;border:3px solid #fffaf0}
.flip .f:after{content:"";position:absolute;inset:8px;border:1.5px dashed rgba(255,255,255,.55);border-radius:14px;pointer-events:none}
.flip .b{background:var(--paper);transform:rotateY(180deg);border:3px solid var(--c1)}
.flip .f .big{font-family:"Secular One",Heebo;font-size:21px;line-height:1.3;margin:auto 0}
.flip .f small,.flip .b small{opacity:.9;font-size:12.5px;font-weight:700}
.flip .hint{margin-top:auto;font-size:12.5px;opacity:.95}
.flip .b .qq{font-size:18px;font-weight:700;margin:auto 0}
.flip.glow .in{box-shadow:0 0 0 5px var(--gold);border-radius:20px}
.step{border-radius:16px;background:var(--paper);box-shadow:var(--sh);padding:14px;margin:10px 0;border:1px solid #eadfc6}
.opt{display:block;width:100%;text-align:right;border:2px solid #e2d6b8;background:#fff;border-radius:14px;padding:10px 12px;margin:6px 0;font-size:15.5px}
.opt.ok{border-color:#2fb36b;background:#eafaf1}.opt.no{border-color:#e25c5c;background:#fdeeee}
.fb{font-size:14.5px;margin-top:6px}
.chk label{display:flex;gap:10px;align-items:flex-start;padding:9px;border-radius:12px;background:#fff;margin:6px 0;box-shadow:0 1px 4px rgba(0,0,0,.07)}
.chk input{width:22px;height:22px;flex:none;accent-color:var(--green)}
.tl{list-style:none;padding:0;margin:0}.tl li{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed #d9c9a3}.tl .tm{flex:none;min-width:92px;font-weight:700;color:var(--acc);font-size:14px}
ul.clean,ol.clean{padding-inline-start:20px}ul.clean li,ol.clean li{margin:5px 0}
.note{background:#fff3cf;border-radius:14px;padding:12px 14px;font-weight:500}
video{width:100%;border-radius:16px;background:#000;display:block}
video.tall{max-width:330px;margin:0 auto}
.foot{text-align:center;color:#e9dfc4;background:var(--green);font-size:13.5px;padding:18px 12px 26px;margin-top:20px}.foot p{margin:4px}.tiny{font-size:12px;opacity:.85}
.pcard{border:2px dashed #8d8a70;border-radius:12px;padding:12px;break-inside:avoid;page-break-inside:avoid;background:#fff}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
/* classroom widgets */
.toc{display:flex;gap:6px;flex-wrap:wrap}.toc a{background:#fffaf0;border:1.5px solid #d9c9a3;border-radius:999px;padding:4px 12px;text-decoration:none;color:var(--green);font-size:14px;font-weight:500}
.time{display:inline-block;background:var(--green);color:#fff;border-radius:999px;padding:2px 10px;font-size:13px;font-weight:700;margin-inline-start:6px;vertical-align:middle}
.items{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:10px 0}
.item{background:#fff;border-radius:14px;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,.07);border-top:4px solid var(--orange)}.item b{display:block;color:var(--green)}
.gauges{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:10px 0}
.gauge{border:0;background:#fff;border-radius:16px;padding:10px 8px 12px;box-shadow:0 2px 8px rgba(0,0,0,.08);text-align:center}
.gauge svg{width:100%;max-width:140px;height:auto}.gauge .ndl{transition:transform 1s cubic-bezier(.3,1.5,.5,1);transform-origin:60px 60px;transform:rotate(-80deg)}
.gauge.on{outline:3px solid var(--c);}.gauge.on .ndl{transform:rotate(55deg)}.gauge b{display:block;font-size:15px}
.algo{display:grid;gap:10px}.algo button{display:flex;gap:12px;align-items:center;text-align:right;border:2px solid #d9c9a3;background:#fff;border-radius:16px;padding:12px;opacity:.6;transition:.3s}
.algo button.on{opacity:1;border-color:var(--green);background:#f0f6ea;transform:scale(1.01)}.algo .ic{font-size:30px}.algo .tx{display:none;font-size:15px}.algo button.on .tx{display:block}.algo b{font-size:17px}
.sw{display:flex;gap:12px;align-items:center;width:100%;text-align:right;border:0;background:#fff;border-radius:14px;padding:10px 12px;margin:6px 0;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.sw .tg{flex:none;width:52px;height:30px;border-radius:99px;background:#c9c2ae;position:relative;transition:.3s}.sw .tg:after{content:"";position:absolute;top:3px;right:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:.3s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.sw.on .tg{background:#4caf50}.sw.on .tg:after{right:25px}.sw .k{flex:none;width:34px;height:34px;border-radius:10px;background:var(--green);color:#fff;font-weight:800;display:grid;place-items:center}
.sw .tx{display:none;font-size:14.5px;color:var(--mute)}.sw.on .tx{display:block}
.chains{display:grid;grid-template-columns:1fr 1fr;gap:10px}.chain{background:#fff;border-radius:16px;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,.08);text-align:center}
.chain.stop{border-top:5px solid #4caf50}.chain.spread{border-top:5px solid #d64541}
.chain .lk{display:block;margin:6px auto;padding:7px;border-radius:10px;background:#eef5e8;font-weight:700;opacity:.35;transition:.3s;width:100%;border:0}.chain .lk.on{opacity:1;background:#cfe8c0}
.phones{font-size:18px;line-height:1.3;min-height:60px;word-break:break-all}
.resp{display:grid;gap:10px;grid-template-columns:1fr 1fr}.resp button{border:2px solid #d9c9a3;background:#fff;border-radius:14px;padding:10px;text-align:right;font-size:14.5px}.resp button.ok{border-color:#2fb36b;background:#eafaf1}.resp button.no{border-color:#e25c5c;background:#fdeeee}
textarea,input.tx{width:100%;font:inherit;border:1.5px solid #d9c9a3;border-radius:12px;padding:8px 10px;background:#fffdf7;min-height:44px}
.dimt{width:100%;border-collapse:collapse;font-size:15px}.dimt td,.dimt th{border-bottom:1px dashed #d9c9a3;padding:8px 6px;vertical-align:top;text-align:right}.dimt th{color:var(--green)}
.tbl{overflow-x:auto}
.ovw{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.sess-card{border-radius:18px;padding:16px;color:#fff;box-shadow:var(--sh)}.sess-card h3{color:#fff;margin:0 0 4px}
.sess-card.m{background:linear-gradient(135deg,#e8692c,#f2a541)}.sess-card.d{background:linear-gradient(135deg,#2f8f88,#5fb3a1)}.sess-card.c{background:linear-gradient(135deg,#2f4a2c,#5a7d45)}
.sess-card p{margin:4px 0;font-size:15px}.sess-card a{color:#fff;font-weight:700}
.tabgrid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.tabgrid a{display:block;text-decoration:none;color:inherit;background:var(--paper);border-radius:14px;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,.08);border:1px solid #eadfc6}.tabgrid b{display:block;color:var(--green);font-size:17px}.tabgrid span{font-size:14px;color:var(--mute)}
@media(max-width:420px){.chains,.resp{grid-template-columns:1fr}}
@media print{.top,.foot,.noprint,nav{display:none!important}body{background:#fff;font-size:12pt}main{max-width:none;padding:0}.pgrid{grid-template-columns:1fr 1fr;gap:0}.pcard{border-radius:0;min-height:62mm;margin:0}.card{box-shadow:none;border:1px solid #ccc}.sticky{box-shadow:none;transform:none}h2.pb{break-before:page}}

/* phones: the tall top bar scrolls away instead of covering ~30% of the screen */
@media (max-width:600px){header.top{position:relative}}