:root{--g:#0b5d3b;--g2:#0e7a4d;--gold:#f5b700;--ink:#14201a;--muted:#56655d;--line:#dbe6df;--soft:#f2f7f4;--red:#c0392b;--ok:#e6f5ec;--bad:#fdecea;--r:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.5;font-size:17px}
a{color:var(--g2)}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
header.top{background:var(--g);color:#fff;position:sticky;top:0;z-index:20}
header.top .wrap{display:flex;justify-content:space-between;align-items:center;height:54px}
.logo{font-weight:800;font-size:21px;color:#fff;text-decoration:none;letter-spacing:-.3px}.logo span{color:var(--gold)}
.chip{font-size:13px;font-weight:700;background:rgba(255,255,255,.15);padding:5px 10px;border-radius:99px;white-space:nowrap}
.chip.pro{background:var(--gold);color:#2a1f00}
main{min-height:70vh}
.hero{background:linear-gradient(180deg,var(--soft),#fff);padding:26px 0 8px}
h1{font-size:clamp(26px,6.5vw,38px);line-height:1.12;margin:0 0 10px;letter-spacing:-.6px}
h2{font-size:22px;margin:22px 0 12px}
.lead{color:var(--muted);margin:0 0 14px;font-size:17px}
.ticks{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px;padding:0;list-style:none}
.ticks li{background:#fff;border:1px solid var(--line);border-radius:99px;padding:5px 11px;font-size:14px;font-weight:600}
.grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.subj{display:block;text-align:left;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;cursor:pointer;font:inherit;color:inherit;width:100%}
.subj:hover{border-color:var(--g2)}
.subj .ic{font-size:26px}
.subj b{display:block;margin:4px 0 2px}
.subj small{color:var(--muted);font-size:13px}
.bar{height:6px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:8px}.bar i{display:block;height:100%;background:var(--g2)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:12px 0}
.mockcard{background:var(--g);color:#fff;border:0}
.mockcard p{color:#d6eadf;margin:4px 0 12px}
.btn{display:inline-block;background:var(--g);color:#fff;border:0;border-radius:12px;padding:13px 18px;font-weight:800;font-size:16px;cursor:pointer;text-decoration:none;text-align:center;font-family:inherit}
.btn:hover{background:var(--g2)}
.btn.gold{background:var(--gold);color:#2a1f00}
.btn.ghost{background:#fff;color:var(--g);border:1px solid var(--line)}
.btn.block{display:block;width:100%}
.btn:disabled{opacity:.5;cursor:default}
.note{font-size:14px;color:var(--muted)}
.qwrap{padding-top:16px;padding-bottom:30px}
.qtop{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;font-size:14px;color:var(--muted);font-weight:600}
.qtop .back{background:none;border:0;color:var(--g2);font:inherit;font-weight:700;cursor:pointer;padding:0}
.topic{font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:700}
.qtext{font-size:19px;font-weight:700;margin:6px 0 14px;white-space:pre-wrap}
.opt{display:flex;gap:10px;width:100%;text-align:left;background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:12px;margin:8px 0;font:inherit;font-size:17px;cursor:pointer;color:var(--ink)}
.opt b{color:var(--muted);min-width:20px}
.opt:hover{border-color:var(--g2)}
.opt.right{background:var(--ok);border-color:var(--g2)}
.opt.wrong{background:var(--bad);border-color:var(--red)}
.opt.sel{border-color:var(--g);background:#eef7f2}
.explain{background:var(--soft);border-radius:12px;padding:12px 14px;margin-top:10px;font-size:16px}
.explain .res{font-weight:800;margin-bottom:4px}
.explain .res.ok{color:var(--g2)}.explain .res.no{color:var(--red)}
.qnav{display:flex;gap:10px;margin-top:14px}
.qnav .btn{flex:1}
.limitline{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.modal{position:fixed;inset:0;background:rgba(10,20,15,.55);display:flex;align-items:flex-end;justify-content:center;z-index:50;padding:0}
.modal[hidden]{display:none}
.sheet{background:#fff;width:100%;max-width:520px;border-radius:18px 18px 0 0;padding:20px 18px 24px;max-height:92vh;overflow:auto}
@media(min-width:600px){.modal{align-items:center}.sheet{border-radius:18px}}
.sheet h3{margin:0 0 6px;font-size:21px}
.sheet input,.sheet select{width:100%;font-size:17px;padding:12px;border:1px solid var(--line);border-radius:10px;margin:6px 0;font-family:inherit;background:#fff;color:var(--ink)}
.sheet label.c{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--muted);margin:6px 0 12px}
.sheet label.c input{width:auto;margin-top:3px}
.perks{list-style:none;padding:0;margin:12px 0}
.perks li{padding:6px 0 6px 28px;position:relative}
.perks li:before{content:"✓";position:absolute;left:4px;color:var(--g2);font-weight:900}
.price{font-size:40px;font-weight:900;color:var(--g);line-height:1;margin:8px 0}
.row{display:flex;gap:8px}.row input{flex:1}
.msg{font-size:14px;margin-top:6px}.msg.err{color:var(--red)}.msg.ok{color:var(--g2)}
/* mock */
.mockbar{display:flex;justify-content:space-between;align-items:center;background:var(--g);color:#fff;border-radius:12px;padding:10px 14px;font-weight:700;margin:12px 0}
.timer{font-variant-numeric:tabular-nums;font-size:18px}
.timer.low{color:var(--gold)}
.nums{display:grid;grid-template-columns:repeat(10,1fr);gap:5px;margin:12px 0}
.nums button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:6px 0;font-size:13px;font-weight:700;cursor:pointer;color:var(--ink)}
.nums button.done{background:var(--g2);color:#fff;border-color:var(--g2)}
.nums button.cur{outline:2px solid var(--gold)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 12px;font-weight:700;font-size:14px;cursor:pointer;color:var(--ink)}
.tabs button.on{background:var(--g);color:#fff;border-color:var(--g)}
.score{font-size:52px;font-weight:900;color:var(--g);line-height:1}
table.res{width:100%;border-collapse:collapse;margin:10px 0}
table.res td{padding:8px 4px;border-bottom:1px solid var(--line)}
table.res td:last-child{text-align:right;font-weight:800}
.locked{filter:blur(4px);user-select:none;pointer-events:none}
.pick{display:grid;gap:8px;margin:10px 0}
.pick label{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer}
footer{border-top:1px solid var(--line);margin-top:30px;padding:18px 0 30px;font-size:13px;color:var(--muted)}

/* keep content clear of the hosting badge */
body{padding-bottom:72px}
.qnav{margin-bottom:64px}
.sheet{padding-bottom:90px}
.sheet .perks{margin:8px 0}.sheet .perks li{padding:3px 0 3px 26px;font-size:15px}.sheet .price{font-size:32px;margin:6px 0}.sheet h3{font-size:19px}.sheet .note{font-size:13.5px}
sup{font-size:.72em;line-height:0;vertical-align:.55em}
.opt.sel{border-color:var(--gold);background:#fff8e1;box-shadow:0 0 0 2px var(--gold) inset}
.opt.sel b{color:#8a6500}

/* mock subject picker: compact rows, checkbox on the left */
.pick label{display:flex;align-items:center;justify-content:flex-start;gap:12px;text-align:left;padding:10px 12px;min-height:50px;font-size:16px}
.pick label input[type=checkbox]{width:22px;height:22px;min-width:22px;margin:0;padding:0;flex:0 0 22px;accent-color:var(--g)}
.pick .pk{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.pick .pki{font-size:20px;flex:none}
.pick label:has(input:checked){border-color:var(--g);background:#eef7f2}

/* parent page */
.psteps{display:grid;gap:10px}
.pstep{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}
.pstep i{font-style:normal;flex:none;width:34px;height:34px;border-radius:50%;background:var(--gold);color:#2a1f00;font-weight:900;display:flex;align-items:center;justify-content:center}
.pstep p{margin:4px 0 0}
.pshot{position:relative;max-width:340px;margin:0 auto 8px;border:8px solid #14201a;border-radius:28px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.15)}
.pshot img{display:block;width:100%;height:auto}
.ptag{position:absolute;top:10px;right:10px;background:#14201a;color:#fff;font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px}
table.pcmp{width:100%;border-collapse:collapse;font-size:15px}
table.pcmp th,table.pcmp td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:center;white-space:normal}
table.pcmp th:first-child,table.pcmp td:first-child{text-align:left}
table.pcmp th{background:var(--g);color:#fff}

details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:0 0 8px}
details summary{font-weight:700;cursor:pointer;list-style-position:inside}
details p{margin:8px 0 0;color:var(--muted);font-size:15px}
.ptag{top:auto;bottom:10px}

/* student home: today panel */
.today{background:linear-gradient(180deg,var(--g),#0e6b45);color:#fff;padding:16px 0 18px}
.tday-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.tday-hi{font-size:21px;line-height:1.2}
.streak{background:#fff4cc;color:#6b5200;border-radius:99px;padding:4px 10px;font-weight:800;font-size:14px;white-space:nowrap}
.tday-goal{background:rgba(255,255,255,.1);border-radius:12px;padding:10px 12px;margin:12px 0}
.tday-row{display:flex;justify-content:space-between;gap:8px;font-size:14px;font-weight:700;color:#d6eadf}
.tday-row b{color:#fff;font-size:15px}
.bar.big{height:10px;background:rgba(255,255,255,.22);margin-top:8px}.bar.big i{background:var(--gold)}
.tday-msg{margin:8px 0 0;font-size:14px;color:#e6f3ec;line-height:1.4}
.btn.big{font-size:18px;padding:15px 18px}
.tday-links{display:flex;gap:8px;margin-top:10px}
.tday-links button{flex:1;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff;border-radius:10px;padding:10px 6px;font:inherit;font-size:14px;font-weight:700;cursor:pointer}
.tday-links small{font-weight:600;opacity:.85}
.strip{display:flex;align-items:center;gap:10px;width:100%;background:#fff;border:2px solid var(--g);border-radius:12px;padding:12px 14px;font:inherit;font-size:16px;text-align:left;cursor:pointer;color:var(--ink);margin:16px 0 0}
.strip span{flex:1;line-height:1.35}.strip i{font-style:normal;font-size:26px;color:var(--g);font-weight:800}
.xrow{display:flex;gap:10px;align-items:center;padding:12px 0 2px;margin-top:10px;border-top:1px solid var(--line)}
.xrow div{flex:1;min-width:0;font-size:15px}.xrow .note{display:block;font-size:13px;margin-top:2px}
.xrow .btn{padding:9px 14px;font-size:14px;white-space:nowrap;flex:none}
details.more{margin:10px 0 0}
.tday-links small{display:block;font-size:12px}
@media(max-width:520px){
  .grid{grid-template-columns:1fr 1fr;gap:8px}
  .subj{padding:11px 12px}.subj .ic{font-size:22px}.subj b{font-size:15.5px;line-height:1.25}.subj small{font-size:12.5px;line-height:1.3;display:block}
}

/* question page */
.qcount{display:flex;justify-content:space-between;gap:8px;font-size:13px;font-weight:700;color:var(--muted);margin:-2px 0 4px}
.bar.qbar{height:5px;margin:0 0 12px}.bar.qbar i{background:var(--gold)}
.opt.right span:after{content:" ✓";color:var(--g2);font-weight:900}
.opt.wrong span:after{content:" ✗";color:var(--red);font-weight:900}
.opt span{flex:1}
.explain a.report{display:block;text-align:right;font-size:12.5px;color:var(--muted);margin-top:8px}
/* reminders */
.remindcard{border:2px solid var(--g);background:#f3faf6}
ol.steps{margin:6px 0 0;padding-left:22px;font-size:15px}ol.steps li{margin:4px 0}
a.parentlink{display:inline-block;margin-top:10px;font-size:14.5px;font-weight:700;color:var(--g2)}
.pstat{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;margin:0 0 10px}
.pstat .pbig{flex:none;min-width:70px;text-align:center;font-size:40px;font-weight:900;line-height:1;color:var(--g)}
.pstat .pbig small{display:block;font-size:14px;font-weight:800;color:var(--muted);margin-top:2px}
.pstat b{font-size:17px}.pstat .note{margin:2px 0 0}
.tday-exam{margin:10px 0 0;font-size:14px;font-weight:700;color:#fff4cc}

/* WhatsApp icon on share buttons */
svg.wa{width:1.25em;height:1.25em;vertical-align:-.27em;margin-right:8px;flex:none}
.xrow .btn svg.wa{margin-right:5px}
/* typing boxes: clearly look like something you can type in */
input:not([type=checkbox]):not([type=radio]):not([type=range]),select,.sheet input:not([type=checkbox]):not([type=radio]):not([type=range]),.sheet select{font-size:17px;font-family:inherit;padding:12px 14px;border:2px solid #9cb5a7;border-radius:10px;background:#fff;color:var(--ink);box-shadow:inset 0 2px 4px rgba(0,0,0,.07);min-width:0}
input::placeholder{color:#7d8f85;opacity:1}
input:not([type=range]):focus,select:focus{outline:none;border-color:var(--g2);box-shadow:0 0 0 4px rgba(14,122,77,.18)}
input.codebox{letter-spacing:.5px;text-transform:uppercase}
input.codebox::placeholder{text-transform:none;letter-spacing:0}
.row{align-items:stretch}.row .btn{padding-left:20px;padding-right:20px}
.row.stack{flex-direction:column;gap:8px}.row.stack input{width:100%;font-size:19px;padding:14px}.row.stack .btn{width:100%}
.welcome{background:#fff8e1;border:1.5px solid var(--gold);border-radius:12px;padding:10px 12px;margin:0 0 12px;font-size:15px;line-height:1.4}

/* ---------- game feel ---------- */
.hdr-right{display:flex;gap:6px;align-items:center}
.chip.xp{background:var(--gold);color:#2a1f00}
.chip.xp.bump{animation:pr-pop .5s ease}
.tday-badges{display:flex;gap:6px;flex-wrap:wrap}
.lvl{background:rgba(255,255,255,.16);color:#fff;border-radius:99px;padding:4px 10px;font-weight:800;font-size:14px;white-space:nowrap}
.mute{background:none;border:0;font-size:16px;cursor:pointer;padding:0 0 0 4px;vertical-align:-1px}
.opt{transition:transform .12s ease,background .2s,border-color .2s}
.opt:active{transform:scale(.97)}
.opt.sel{animation:pr-pop .3s ease}
.opt.in{animation:pr-in .38s ease both}
.opt.pop{animation:pr-pop .5s ease}
.opt.shake{animation:pr-shake .45s ease}
.qtext{animation:pr-in .35s ease both}
.explain{animation:pr-rise .4s ease both}
.bar i{transition:width .6s cubic-bezier(.2,.8,.2,1)}
.subj{transition:transform .12s ease,border-color .2s}.subj:active{transform:scale(.97)}
.btn{transition:transform .12s ease,background .2s}.btn:active{transform:scale(.97)}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:65}
.floatxp{position:fixed;z-index:70;transform:translateX(-50%);font-weight:900;font-size:20px;color:var(--g2);text-shadow:0 2px 0 #fff;pointer-events:none;white-space:nowrap;animation:pr-float 1.2s ease-out forwards}
.floatxp.muted{color:var(--muted);font-size:16px}
.bigwin{position:fixed;inset:0;z-index:80;background:rgba(8,40,26,.72);display:flex;align-items:center;justify-content:center;padding:20px;animation:pr-fade .25s ease}
.bigwin.out{animation:pr-fadeout .25s ease forwards}
.bw-card{background:#fff;border-radius:22px;padding:26px 22px 22px;max-width:360px;width:100%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.35);animation:pr-bounce .6s cubic-bezier(.2,1.4,.4,1) both}
.bw-emoji{font-size:84px;line-height:1;animation:pr-wiggle 1s ease .5s 2}
.bw-card h3{font-size:30px;margin:10px 0 6px;color:var(--g)}
.bw-card p{color:var(--muted);margin:0 0 16px;font-size:16px}
@keyframes pr-pop{0%{transform:scale(1)}40%{transform:scale(1.06)}100%{transform:scale(1)}}
@keyframes pr-shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-9px)}40%{transform:translateX(9px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}
@keyframes pr-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes pr-rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pr-float{0%{opacity:0;transform:translate(-50%,0) scale(.7)}15%{opacity:1;transform:translate(-50%,-12px) scale(1.15)}100%{opacity:0;transform:translate(-50%,-80px) scale(1)}}
@keyframes pr-bounce{0%{transform:scale(.3);opacity:0}55%{transform:scale(1.08);opacity:1}75%{transform:scale(.97)}100%{transform:scale(1)}}
@keyframes pr-wiggle{0%,100%{transform:rotate(0)}25%{transform:rotate(-12deg)}75%{transform:rotate(12deg)}}
@keyframes pr-fade{from{opacity:0}to{opacity:1}}
@keyframes pr-fadeout{to{opacity:0}}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}
@media (max-width:380px){.logo{font-size:19px}.chip{font-size:12px;padding:4px 8px}.hdr-right{gap:4px}}

/* ---------- teachers ---------- */
.thero{background:linear-gradient(160deg,#0b5d3b,#0e7a4d 70%,#12925c);color:#fff;padding:24px 0 20px}
.thero h1{color:#fff}.thero .lead{color:#d6eadf}.hl{color:var(--gold)}
.tnote{font-size:13px;color:#cfe6d9;text-align:center;margin:8px 0 0}
.tstats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 4px}
.tstats div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 8px;text-align:center}
.tstats b{display:block;font-size:24px;font-weight:900;color:var(--g);line-height:1.1}.tstats span{font-size:12px;color:var(--muted);line-height:1.25;display:block;margin-top:2px}
.calc{border:2px solid var(--gold);background:#fffaf0}
.calc label{display:block;margin:12px 0 2px;font-size:15px}.calc input[type=range]{width:100%;accent-color:var(--g);height:28px}
.calcout{font-size:46px;font-weight:900;color:var(--g);text-align:center;margin:8px 0 4px;line-height:1}
.calcout.bump{animation:pr-pop .35s ease}
.tform{border:2px solid var(--g)}
.tform .lab{display:block;font-size:14px;font-weight:700;margin:12px 0 4px}
.tform input,.tform select{width:100%}
.tform label.c{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:12px 0}
.tform label.c input{width:auto;margin-top:3px}
.tform .btn{margin-top:4px}
.classban{background:#e6f5ec;border:2px solid var(--g2);border-radius:12px;padding:10px 12px;margin:14px 0 0;font-size:15px}
.classban span{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.cbrow{display:flex;justify-content:space-between;gap:8px;padding:8px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink)}
.cbrow b{white-space:nowrap;color:var(--g)}.cbrow.me{background:#fff8e1;font-weight:800;padding-left:6px;padding-right:6px;border-radius:8px}
.tearn{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.tearn div{background:rgba(255,255,255,.12);border-radius:12px;padding:10px 8px;text-align:center}
.tearn span{display:block;font-size:12px;color:#cfe6d9}.tearn b{display:block;font-size:22px;color:#fff;font-weight:900}
.linkbox{background:#fff;border:2px dashed var(--g2);border-radius:10px;padding:10px 12px;margin:10px 0;font-size:14px;font-weight:700;word-break:break-all;color:var(--g)}
/* close × at the top of every popup, stays visible while scrolling */
.xclose{position:sticky;top:0;float:right;z-index:3;width:42px;height:42px;margin:0 -6px 4px 10px;border:0;border-radius:50%;background:#eef3f0;color:var(--ink);font-size:28px;line-height:42px;font-weight:700;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.xclose:active{transform:scale(.94)}
.sheet h3{padding-right:4px}
#xpChip{cursor:pointer}
.qcount{flex-wrap:wrap}

/* popups never taller than the visible screen (phone address bars included) */
.sheet{max-height:88vh;max-height:calc(100dvh - 20px)}
@media(min-width:600px){.sheet{max-height:calc(100dvh - 40px)}}
.chask{margin-top:10px;background:#fff;border:1.5px dashed #25d366;border-radius:12px;padding:10px 12px;font-size:15px;animation:pr-rise .35s ease both;flex-basis:100%}
.chask p{margin:0}
.xrow{flex-wrap:wrap}
.xrow .chask{flex:0 0 100%;width:100%}
.xrow .chask .qnav{display:flex;gap:8px}
.xrow .chask .btn{flex:1 1 0;white-space:normal;padding:10px 8px;font-size:14px}

/* ---------- battles ---------- */
.battlecard{border:2px solid #25d366;background:#f3fcf6}
.bintro{text-align:center;background:linear-gradient(160deg,#0b5d3b,#0e7a4d);color:#fff;border-radius:22px;padding:26px 20px 22px;margin-top:6px;animation:pr-bounce .55s cubic-bezier(.2,1.4,.4,1) both}
.bintro h1{color:#fff;font-size:30px;margin:8px 0}.bintro p{color:#e6f3ec;font-size:17px}.bintro b.big{color:#f5b700;font-size:22px}
.bintro .note{color:#cfe6d9}.bintro input{color:var(--ink)}
.bdots{display:flex;gap:6px;margin:0 0 10px}.bdots i{flex:1;height:8px;border-radius:99px;background:var(--line)}
.bdots i.ok{background:var(--g2)}.bdots i.no{background:var(--red)}.bdots i.cur{background:var(--gold)}
.bresult{text-align:center;margin-top:6px}
.vs{display:flex;align-items:center;justify-content:center;gap:12px;margin:6px 0 12px}
.vs .side{flex:1;background:#fff;border:2px solid var(--line);border-radius:18px;padding:12px 8px;animation:pr-bounce .5s cubic-bezier(.2,1.4,.4,1) both}
.vs .side span{display:block;font-weight:800;color:var(--muted);font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vs .side b{display:block;font-size:56px;font-weight:900;color:var(--g);line-height:1.05}
.vs .side.won{border-color:var(--gold);background:#fff8e1;box-shadow:0 0 0 3px var(--gold) inset}
.vs .mid{font-weight:900;color:var(--muted);font-size:18px}
.bresult h1{font-size:28px;margin:6px 0 4px}
.btn.ghostwa{background:#fff!important;color:#128c4a;border:2px solid #25d366}
/* free-week progress and weekly prize */
.frbar{display:flex;gap:8px;margin:10px 0 4px}
.frbar i{flex:1;font-style:normal;text-align:center;font-weight:900;border-radius:10px;padding:6px 0;background:#fff;border:2px dashed #25d366;color:var(--muted)}
.frbar i.on{background:#25d366;color:#fff;border-style:solid}
.strip.prize{border-color:var(--gold);background:#fffaf0;margin:14px 0 0}
.prizehero{text-align:center;background:linear-gradient(160deg,#0b5d3b,#12925c);color:#fff;border-radius:22px;padding:22px 18px;margin:6px 0 12px}
.prizehero h1{color:#f5b700;font-size:32px;margin:6px 0}.prizehero p{color:#fff;margin:4px 0}
.scoreimg{display:block;width:100%;max-width:360px;margin:12px auto 0;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.bw-prize{display:inline-block;margin-top:10px;background:#fff8e1;color:#6b5200;font-weight:800;border-radius:10px;padding:6px 10px;font-size:15px}
/* teacher page v2: form first */
.tquick{background:#fff;color:var(--ink);border-radius:18px;padding:16px;margin-top:14px;box-shadow:0 12px 30px rgba(0,0,0,.25)}
.tquick .tq-h{display:block;font-size:18px;margin-bottom:6px;color:var(--g)}
.tquick input:not([type=checkbox]){width:100%;margin:6px 0}
.tquick label.c{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;color:var(--muted);margin:8px 0 10px;line-height:1.35}
.tquick label.c input{width:auto;margin-top:2px}
.trust{display:flex;flex-direction:column;gap:2px;margin-top:10px;font-size:13px;color:var(--muted);font-weight:700;text-align:center}
.tgets{display:grid;gap:10px}
.tgets div{display:grid;grid-template-columns:44px 1fr;gap:2px 10px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}
.tgets i{grid-row:span 2;font-style:normal;font-size:30px;line-height:1}.tgets b{font-size:17px}.tgets span{font-size:14px;color:var(--muted)}
.tsticky{position:fixed;left:16px;right:16px;bottom:16px;z-index:40;background:var(--gold);color:#2a1f00;font-weight:900;font-size:17px;text-align:center;padding:15px;border-radius:14px;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.25);transform:translateY(140%);transition:transform .25s ease}
.tsticky.show{transform:none}

/* teacher weekly airtime */
.tweekstrip{background:rgba(245,183,0,.16);border:1.5px solid #f5b700;border-radius:12px;padding:8px 12px;margin:10px 0 0;font-size:14px;color:#fff;line-height:1.4}.tweekstrip b{color:#ffd43b}
.tweekcard{border:2px solid var(--gold);background:#fffaf0}
.tearn2{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.tearn2 div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center}
.tearn2 span{display:block;font-size:12.5px;color:var(--muted)}.tearn2 b{display:block;font-size:26px;color:var(--g);font-weight:900}
/* teacher page v3: clear explanation */
.winwin{display:grid;gap:10px}
@media(min-width:560px){.winwin{grid-template-columns:1fr 1fr}}
.ww{background:#fff;border:2px solid var(--line);border-radius:var(--r);padding:12px 14px}.ww.you{border-color:var(--gold);background:#fffaf0}
.ww b{font-size:17px}.ww ul{margin:6px 0 0;padding-left:20px;font-size:15px}.ww li{margin:4px 0}
.earn2{display:grid;gap:10px}
.e2{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}
.e2n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--g);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center}
.e2 b{font-size:17px}.e2 .note{margin:4px 0 0}
table.res.mini{margin:8px 0 0;font-size:14px}table.res.mini td{padding:5px 4px}
.card.example{border:2px dashed var(--g2);background:#f3faf6}
.mockchal{margin:12px 0 4px;border-width:3px;box-shadow:0 8px 24px rgba(37,211,102,.18)}
.mockchal .mc-top{font-size:22px;font-weight:900;color:#0b5d3b;line-height:1.2}
.mockchal .battleGo.big{font-size:18px;padding:16px 14px}
.mockchal .mc-prize{margin-top:10px;background:#fff8e1;color:#5c4700;border-radius:12px;padding:10px 12px;font-size:14.5px;line-height:1.4}
.pback{display:inline-block;background:#fff;border:2px solid var(--g);color:var(--g);font:inherit;font-weight:800;border-radius:999px;padding:8px 14px;margin:0 0 12px;cursor:pointer}
.mvform{display:flex;gap:8px}.mvform .mvIn{flex:1;min-width:0;font-size:20px;letter-spacing:4px;text-align:center}.mvform .btn{white-space:nowrap}
.mvcodebox{text-align:center;background:#f3fcf6;border:2px dashed var(--g);border-radius:14px;padding:12px}
.mvcodebox .mvcode{font-size:34px;font-weight:900;letter-spacing:6px;color:var(--g)}
.mvin{border:2px solid var(--gold);background:#fffaf0;margin-top:16px}
@media (max-width:380px){.mvform{flex-direction:column}}
.mvform .mvIn::placeholder{letter-spacing:normal}
.pdet{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;margin:12px 0}
.pdet summary{font-weight:800;cursor:pointer}
.flash{animation:prFlash 2s ease}
@keyframes prFlash{0%,100%{box-shadow:none}30%{box-shadow:0 0 0 5px rgba(245,183,0,.55)}}
#pPayBox{scroll-margin-top:72px}
.prep{border:2px solid var(--g);background:#f3fcf6;margin:0 0 12px}
.pulse{text-align:center;font-weight:800;color:var(--g);margin:10px 0 0}
.nextmock{background:#fff8e1;color:#5c4700;border-radius:12px;padding:10px 12px;margin:10px 0 0;font-size:15px;line-height:1.4}
/* Netlify adds a "Powered by Netlify" badge (64px tall, bottom-right) on the free plan: keep our sticky button and the last bit of each page above it */
.tsticky{bottom:76px}
body{padding-bottom:72px}
.repnow{font-weight:800;color:#0b7a3e;background:#e9f9ef;border-radius:10px;padding:8px 12px;display:inline-block;margin:6px 0 0}.cnamecard{border:2px solid var(--g);background:#f3fcf6;margin-top:14px}
.askprog{border:2px solid var(--g);background:#f3fcf6}
.askstats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}
.askstats div{text-align:center;background:#fff;border-radius:12px;padding:8px 4px}.askstats b{display:block;font-size:24px;color:var(--g)}.askstats span{font-size:12.5px;color:var(--muted)}
.askwhy div{display:flex;gap:10px;align-items:flex-start;margin:0 0 10px}.askwhy i{font-style:normal;font-size:24px;line-height:1.2}.askwhy p{margin:0}
.askpay{border:2px solid var(--gold);background:#fffaf0;margin-top:14px}
#sheet{padding-bottom:84px}
.pabrow{display:flex;gap:12px;align-items:center;margin:8px 0 10px}
.pabpic{flex:0 0 40%;max-width:170px;height:190px;overflow:hidden;border:5px solid #14201a;border-radius:18px;box-shadow:0 8px 20px rgba(0,0,0,.15)}
.pabpic img{width:100%;height:auto;display:block}
.pabticks{list-style:none;margin:0;padding:0;font-size:15px;line-height:1.35}.pabticks li{margin:0 0 8px}
.pabnote{margin:0 0 10px}
@media (max-width:380px){.pabpic{height:140px;flex-basis:36%;border-width:4px;border-radius:14px}.pabticks{font-size:13.5px}.pabticks li{margin:0 0 5px}.pabrow{margin:4px 0 6px}.pabnote{display:none}}
.bankbtn{background:var(--gold);color:#2a1f00;margin-top:10px}
.xrows{background:#f7faf8;border:1px solid var(--line);border-radius:14px;padding:4px 12px}
.xrows>div{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 8px;padding:9px 0;border-bottom:1px solid var(--line)}.xrows>div:last-child{border-bottom:0}
.xrows span{grid-column:1/-1;font-size:12.5px;color:var(--muted)}.xrows b{font-size:16px}.xrows b.big{font-size:21px;letter-spacing:.5px}.xrows small{grid-column:1/-1;font-size:12.5px;color:var(--muted)}
.xrows .xref{background:#fff8e1;margin:0 -12px;padding:9px 12px;border-radius:0 0 14px 14px}
.copyb{background:#fff;border:1.5px solid var(--g);color:var(--g);font:inherit;font-weight:800;font-size:14px;border-radius:999px;padding:6px 12px;cursor:pointer}
.xferstrip{border:2px solid var(--gold)}
.examprize{border:2px solid var(--gold);background:#fffaf0;margin-top:10px}
.examban{display:block;background:#fff8e1;border:2px solid var(--gold);border-radius:14px;padding:10px 12px;margin:8px 0 10px}.examban b{display:block;font-size:16px;color:#5c4700}.examban span{display:block;font-size:14.5px;margin-top:2px}.examban small{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}