/* =========================================================
   Design system — "workshop paper"
   Warm paper + ink, editorial serif display, academy colour as the only loud note.
   System fonts only (no webfont download on shared hosting).
   ========================================================= */
:root{
  --paper:#F6F3EC; --paper-2:#EFEBE1; --card:#FFFFFF; --ink:#1B1A17; --ink-2:#4A463F; --mute:#7A746A;
  --line:#E2DDD2; --line-2:#D3CDC0; --acc:#2F6BFF; --acc-ink:#fff; --good:#2B8A3E; --warn:#B26B00; --bad:#C92A2A;
  --shadow:0 1px 0 rgba(27,26,23,.04),0 8px 24px -12px rgba(27,26,23,.18);
  --r:12px; --r-sm:8px;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --paper:#131210; --paper-2:#1A1916; --card:#1F1E1A; --ink:#F2EFE8; --ink-2:#CFCAC0; --mute:#9C968B;
  --line:#2F2D28; --line-2:#3C3933; --shadow:0 1px 0 rgba(0,0,0,.3),0 10px 30px -14px rgba(0,0,0,.7); color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#131210; --paper-2:#1A1916; --card:#1F1E1A; --ink:#F2EFE8; --ink-2:#CFCAC0; --mute:#9C968B;
    --line:#2F2D28; --line-2:#3C3933; --shadow:0 1px 0 rgba(0,0,0,.3),0 10px 30px -14px rgba(0,0,0,.7); color-scheme:dark;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;vertical-align:middle}
a{color:inherit;text-decoration-color:var(--line-2);text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.15;font-weight:600}
.display,h1{font-family:var(--serif);letter-spacing:-.015em}
h1{font-size:clamp(30px,4.6vw,52px)} h2{font-size:clamp(24px,3vw,34px);font-family:var(--serif)} h3{font-size:19px}
p{margin:0 0 1em} small,.mute{color:var(--mute)} .ink2{color:var(--ink-2)}
code,pre{font-family:var(--mono);font-size:.9em} pre{background:var(--paper-2);border:1px solid var(--line);padding:14px;border-radius:var(--r-sm);overflow:auto}
:focus-visible{outline:3px solid color-mix(in srgb,var(--acc) 55%,transparent);outline-offset:2px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;z-index:99;background:var(--ink);color:var(--paper);padding:8px 12px;border-radius:6px}

/* ---------- layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.tight{padding:40px 0}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:960px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}.section{padding:48px 0}}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap} .between{justify-content:space-between} .end{justify-content:flex-end}
.stack>*+*{margin-top:12px}
.eyebrow{font:600 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font:600 19px/1 var(--serif);text-decoration:none;white-space:nowrap}
.brand .mark{width:30px;height:30px;border-radius:8px;background:var(--ink);color:var(--paper);display:grid;place-items:center;font:700 15px var(--sans)}
.brand img{height:32px;width:auto}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--ink-2);font-weight:500;font-size:15px}
.nav a:hover,.nav a[aria-current]{background:var(--paper-2);color:var(--ink)}
.top .right{margin-left:auto;display:flex;gap:8px;align-items:center}
.menu-btn{display:none}
@media (max-width:860px){.nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 16px 16px}.nav.open{display:flex}.menu-btn{display:inline-flex}.top .right .hide-sm{display:none}}

/* ---------- buttons & forms ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:10px;border:1px solid var(--line-2);background:var(--card);color:var(--ink);font:600 15px/1.2 var(--sans);text-decoration:none;cursor:pointer;transition:transform .12s,background .15s,border-color .15s;white-space:nowrap}
.btn:hover{border-color:var(--ink-2)} .btn:active{transform:translateY(1px)}
.btn.primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.primary:hover{background:color-mix(in srgb,var(--ink) 86%,var(--acc))}
.btn.accent{background:var(--acc);color:var(--acc-ink);border-color:var(--acc)}
.btn.ghost{background:transparent;border-color:transparent} .btn.ghost:hover{background:var(--paper-2)}
.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,var(--line))}
.btn.sm{padding:6px 10px;font-size:13px;border-radius:8px} .btn.lg{padding:14px 22px;font-size:16px;border-radius:12px}
.btn.block{width:100%} .btn[disabled]{opacity:.5;pointer-events:none}
.icon-btn{width:38px;height:38px;padding:0;border-radius:10px}
label.lbl{display:block;font-weight:600;font-size:14px;margin:0 0 6px}
.field{margin-bottom:16px}
.field .hint{font-size:13px;color:var(--mute);margin-top:6px}
input:not([type]),input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],input[type=url],input[type=date],input[type=search],input[type=color],select,textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line-2);border-radius:10px;background:var(--card);color:var(--ink);font:inherit;font-size:15px}
input[type=color]{height:44px;padding:4px}
textarea{min-height:110px;resize:vertical}
input:not([type=checkbox]):not([type=radio]):focus,select:focus,textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px color-mix(in srgb,var(--acc) 22%,transparent)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:15px}.check input{margin-top:4px;width:18px;height:18px;accent-color:var(--acc)}
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:4px;gap:4px}
.seg label{display:block;text-align:center;padding:10px;border-radius:9px;cursor:pointer;font-weight:600;font-size:14px;color:var(--ink-2)}
.seg input{position:absolute;opacity:0}.seg input:checked+span{color:var(--ink)} .seg label:has(input:checked){background:var(--card);box-shadow:var(--shadow);color:var(--ink)}

/* ---------- cards & bits ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.card.flat{box-shadow:none} .card.lift{box-shadow:var(--shadow)}
.card h3{margin-bottom:6px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font:600 12px/1.6 var(--sans);background:var(--paper-2);color:var(--ink-2);border:1px solid var(--line)}
.pill.good{background:color-mix(in srgb,var(--good) 12%,var(--card));color:var(--good);border-color:color-mix(in srgb,var(--good) 30%,var(--line))}
.pill.warn{background:color-mix(in srgb,var(--warn) 12%,var(--card));color:var(--warn);border-color:color-mix(in srgb,var(--warn) 30%,var(--line))}
.pill.bad{background:color-mix(in srgb,var(--bad) 10%,var(--card));color:var(--bad);border-color:color-mix(in srgb,var(--bad) 30%,var(--line))}
.pill.acc{background:color-mix(in srgb,var(--acc) 10%,var(--card));color:var(--acc);border-color:color-mix(in srgb,var(--acc) 30%,var(--line))}
.bar{height:8px;border-radius:99px;background:var(--paper-2);overflow:hidden;border:1px solid var(--line)}
.bar>i{display:block;height:100%;background:var(--c,var(--acc));border-radius:99px;transition:width .6s cubic-bezier(.2,.8,.2,1)}
.flash{padding:12px 14px;border-radius:10px;margin:0 0 12px;border:1px solid var(--line);background:var(--card);display:flex;gap:10px;align-items:flex-start}
.flash.success{border-color:color-mix(in srgb,var(--good) 40%,var(--line));background:color-mix(in srgb,var(--good) 7%,var(--card))}
.flash.error{border-color:color-mix(in srgb,var(--bad) 40%,var(--line));background:color-mix(in srgb,var(--bad) 7%,var(--card))}
.flash.info{border-color:color-mix(in srgb,var(--acc) 40%,var(--line));background:color-mix(in srgb,var(--acc) 6%,var(--card))}
.flashes{position:relative;z-index:5}
.empty{padding:36px;text-align:center;color:var(--mute);border:1.5px dashed var(--line-2);border-radius:var(--r)}
.kpi .n{font:600 32px/1.1 var(--serif)} .kpi .l{color:var(--mute);font-size:14px}
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th{text-align:left;font-weight:600;color:var(--mute);font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;border-bottom:1px solid var(--line)}
table.t td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}
table.t tr:hover td{background:color-mix(in srgb,var(--paper-2) 50%,transparent)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.tablewrap table.t tr:last-child td{border-bottom:0}
.num{font-variant-numeric:tabular-nums;text-align:right}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:8px 18px;margin:0}dl.kv dt{color:var(--mute)}dl.kv dd{margin:0}
details.faq{border-bottom:1px solid var(--line);padding:18px 0}details.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
details.faq summary::after{content:"+";font:400 24px/1 var(--sans);color:var(--mute);transition:transform .2s}details.faq[open] summary::after{transform:rotate(45deg)}
details.faq p{margin:12px 0 0;color:var(--ink-2)}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 56px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:32px 32px;opacity:.55;mask-image:radial-gradient(ellipse 70% 80% at 70% 40%,#000 20%,transparent 75%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(38px,6vw,72px);line-height:1.02;margin-bottom:20px}
.hero h1 em{font-style:italic;color:var(--acc)}
.hero .lede{font-size:19px;color:var(--ink-2);max-width:34em}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero{padding:48px 0}}
/* Workbench illustration: four mini studios */
.bench{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bench .tile{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow);min-height:150px;position:relative;overflow:hidden;animation:rise .7s both cubic-bezier(.2,.8,.2,1)}
.bench .tile:nth-child(2){animation-delay:.08s;transform:translateY(18px)}.bench .tile:nth-child(3){animation-delay:.16s}.bench .tile:nth-child(4){animation-delay:.24s;transform:translateY(18px)}
@keyframes rise{from{opacity:0;translate:0 14px}to{opacity:1;translate:0 0}}
.tile .tlabel{font:600 11px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--mute);display:flex;gap:6px;align-items:center}
.tile .dot{width:8px;height:8px;border-radius:50%;background:var(--c)}
.mini-layers{margin-top:12px;display:grid;gap:6px}.mini-layers i{display:block;height:16px;border-radius:5px;background:var(--paper-2);border:1px solid var(--line)}
.mini-layers i:first-child{background:color-mix(in srgb,var(--c) 22%,var(--card));border-color:color-mix(in srgb,var(--c) 40%,var(--line))}
.mini-tl{margin-top:14px;display:grid;gap:8px}.mini-tl div{height:10px;border-radius:5px;background:var(--paper-2);position:relative}
.mini-tl div::after{content:"";position:absolute;top:-3px;width:10px;height:10px;transform:rotate(45deg);background:var(--c);left:var(--k)}
.mini-tl .ph{position:absolute;top:34px;bottom:14px;width:2px;background:var(--c);left:40%;animation:scrub 4s ease-in-out infinite alternate}
@keyframes scrub{to{left:85%}}
.mini-code{margin-top:10px;font:12px/1.7 var(--mono);color:var(--ink-2)}.mini-code b{color:var(--c);font-weight:600}
.mini-blocks{margin-top:12px;display:grid;gap:5px}.mini-blocks span{display:inline-block;padding:4px 10px;border-radius:7px 7px 7px 2px;background:var(--c);color:#fff;font:600 11px var(--sans);width:max-content}
.mini-blocks span:nth-child(2){margin-left:14px;background:color-mix(in srgb,var(--c) 70%,#000)}.mini-blocks span:nth-child(3){margin-left:14px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- academy & course cards ---------- */
.ac-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;position:relative;border-top:4px solid var(--c);transition:transform .15s,box-shadow .15s}
.ac-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.ac-card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 14%,var(--card));color:var(--c)}
.ac-card .more{margin-top:auto;display:flex;align-items:center;gap:6px;font-weight:600;color:var(--c)}
.course{display:flex;flex-direction:column;text-decoration:none;overflow:hidden;padding:0;transition:transform .15s,box-shadow .15s}
.course:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.course .cover{aspect-ratio:16/8;background:color-mix(in srgb,var(--c) 14%,var(--paper-2));position:relative;display:grid;place-items:center;color:var(--c);border-bottom:1px solid var(--line)}
.course .cover::after{content:"";position:absolute;inset:0;background-image:radial-gradient(color-mix(in srgb,var(--c) 30%,transparent) 1px,transparent 1px);background-size:14px 14px;opacity:.6}
.course .cover svg{position:relative;z-index:1;width:44px;height:44px}
.course .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.course .meta{display:flex;gap:10px;color:var(--mute);font-size:13px;margin-top:auto;padding-top:8px}
.course h3{font-size:18px}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));gap:14px}
.plan{display:flex;flex-direction:column;gap:12px;position:relative}
.plan.feat{border:2px solid var(--ink);box-shadow:var(--shadow)}
.plan .flag{position:absolute;top:-12px;left:20px;background:var(--ink);color:var(--paper);font:600 12px/1 var(--sans);padding:6px 10px;border-radius:999px}
.plan .price{font:600 30px/1.1 var(--serif);letter-spacing:-.01em}.plan .price small{display:block;margin-top:6px;font:500 14px var(--sans);color:var(--mute)}
.plan .was{text-decoration:line-through;color:var(--mute);font-size:14px}
.plan ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:15px}
.plan li{display:flex;gap:8px}.plan li svg{color:var(--good);flex:none;margin-top:3px}
.plan .btn{margin-top:auto}

/* ---------- strips ---------- */
.steps3{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.steps3>div{counter-increment:s;position:relative;padding-top:52px}
.steps3>div::before{content:counter(s,decimal-leading-zero);position:absolute;top:0;left:0;font:600 34px/1 var(--serif);color:var(--acc)}
@media (max-width:760px){.steps3{grid-template-columns:1fr}}
.band{background:var(--ink);color:var(--paper);border-radius:20px;padding:44px}
.band .mute{color:color-mix(in srgb,var(--paper) 65%,transparent)}
.band .btn{border-color:transparent}
.kids-band{background:color-mix(in srgb,#2B8A3E 10%,var(--card));border:1px solid color-mix(in srgb,#2B8A3E 30%,var(--line));border-radius:20px;padding:40px;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
@media (max-width:800px){.kids-band{grid-template-columns:1fr}}
.quote{font:italic 19px/1.5 var(--serif)}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);padding:48px 0 32px;margin-top:72px;font-size:14px;color:var(--ink-2)}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
footer.site h4{font:600 12px var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-bottom:12px}
footer.site ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}footer.site a{text-decoration:none}footer.site a:hover{text-decoration:underline}
@media (max-width:760px){footer.site .cols{grid-template-columns:1fr 1fr}}

/* ---------- app shell (student / parent / admin) ---------- */
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{border-right:1px solid var(--line);padding:18px 14px;position:sticky;top:0;height:100vh;overflow:auto;display:flex;flex-direction:column;gap:4px;background:var(--paper)}
.side .brand{padding:6px 8px 18px}
.side a.nl{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;text-decoration:none;color:var(--ink-2);font-weight:500;font-size:15px}
.side a.nl:hover{background:var(--paper-2);color:var(--ink)}.side a.nl[aria-current]{background:var(--card);color:var(--ink);box-shadow:var(--shadow);border:1px solid var(--line)}
.side .grp{font:600 11px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--mute);padding:16px 10px 6px}
.side .foot{margin-top:auto;border-top:1px solid var(--line);padding-top:12px}
.side .badge{margin-left:auto;background:var(--acc);color:#fff;font:600 11px/1 var(--sans);padding:4px 7px;border-radius:99px}
.main{padding:28px 32px 64px;min-width:0}
.main .head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.main .head h1{font-size:clamp(26px,3.4vw,38px);margin:0}
.mob-top{display:none}
@media (max-width:900px){.shell{grid-template-columns:1fr}.side{position:fixed;inset:0 30% 0 0;z-index:40;transform:translateX(-105%);transition:transform .2s;box-shadow:var(--shadow)}.side.open{transform:none}
  .mob-top{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:30}.main{padding:20px 16px 56px}}
.welcome{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;position:relative;overflow:hidden}
.welcome::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--acc) 18%,transparent),transparent 70%)}
@media (max-width:700px){.welcome{grid-template-columns:1fr}}
.resume{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;text-decoration:none}
.resume .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 14%,var(--card));color:var(--c)}
.badge-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:12px;border:1px solid var(--line);background:var(--card);font-weight:600;font-size:14px}
.badge-chip svg{color:var(--warn)}

/* ---------- lesson player ---------- */
.lesson-shell{display:grid;grid-template-columns:300px 1fr;min-height:calc(100vh - 64px)}
.lesson-shell aside{border-right:1px solid var(--line);padding:20px;position:sticky;top:64px;height:calc(100vh - 64px);overflow:auto}
.lesson-shell aside ol{list-style:none;padding:0;margin:0}
.lesson-shell aside li a{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border-radius:8px;text-decoration:none;font-size:14px;color:var(--ink-2)}
.lesson-shell aside li a:hover{background:var(--paper-2)} .lesson-shell aside li a[aria-current]{background:var(--card);border:1px solid var(--line);color:var(--ink);font-weight:600}
.lesson-shell aside .st{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--line-2);flex:none;display:grid;place-items:center;margin-top:1px}
.lesson-shell aside .st.done{background:var(--good);border-color:var(--good);color:#fff}
.lesson-body{padding:32px 40px 80px;max-width:860px}
.prose{font-size:17px;line-height:1.75}.prose h3{font-size:21px;margin-top:1.6em}.prose ul,.prose ol{padding-left:1.3em}
.video{aspect-ratio:16/9;background:#000;border-radius:var(--r);overflow:hidden;margin-bottom:24px}.video iframe,.video video{width:100%;height:100%;border:0}
.locked{text-align:center;padding:56px 24px;border:1px solid var(--line);border-radius:18px;background:var(--card)}
.locked .ic{width:64px;height:64px;margin:0 auto 14px;border-radius:18px;display:grid;place-items:center;background:var(--paper-2)}
@media (max-width:900px){.lesson-shell{grid-template-columns:1fr}.lesson-shell aside{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line)}.lesson-body{padding:24px 16px 64px}}

/* ---------- auth ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.auth .pane{padding:40px;display:flex;flex-direction:column}
.auth .art{background:var(--ink);color:var(--paper);position:relative;overflow:hidden;justify-content:flex-end}
.auth .art::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:36px 36px}
.auth .art>*{position:relative}.auth .art h2{font-size:clamp(28px,3vw,42px);max-width:14em}
.auth .form{max-width:420px;width:100%;margin:auto}
@media (max-width:900px){.auth{grid-template-columns:1fr}.auth .art{display:none}.auth .pane{padding:24px 16px}}

/* ---------- checkout ---------- */
.co{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:start}
@media (max-width:860px){.co{grid-template-columns:1fr}}
.gw{display:flex;gap:12px;align-items:center;padding:14px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;background:var(--card)}
.gw:has(input:checked){border-color:var(--ink);box-shadow:var(--shadow)}.gw input{accent-color:var(--ink);width:18px;height:18px}
.sum dl{display:grid;grid-template-columns:1fr auto;gap:10px;margin:0}.sum dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}.sum .tot{font:600 22px var(--serif);border-top:1px solid var(--line);padding-top:12px}

/* ---------- kids ---------- */
.kids{--acc:#2B8A3E;background:#FFF9EE;font-size:18px}
:root[data-theme="dark"] .kids{background:#14170f}
.kids .top{background:#FFF9EE}
.kids h1{font-family:var(--sans);font-weight:800;letter-spacing:-.02em}
.kid-hello{display:flex;gap:18px;align-items:center}
.kid-ava{width:84px;height:84px;border-radius:26px;display:grid;place-items:center;font-size:48px;background:#fff;border:3px solid #FFD43B;box-shadow:0 6px 0 #FAB005}
.kid-card{border-radius:22px;border:3px solid var(--line);padding:20px;background:var(--card);display:flex;flex-direction:column;gap:10px;text-decoration:none;box-shadow:0 6px 0 var(--line);transition:transform .12s}
.kid-card:hover{transform:translateY(-3px) rotate(-.4deg)}
.kid-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:16px;background:#2B8A3E;color:#fff;font:800 18px var(--sans);text-decoration:none;border:0;box-shadow:0 5px 0 #1d6b2c;cursor:pointer}
.kid-btn:active{transform:translateY(3px);box-shadow:0 2px 0 #1d6b2c}
.pin{letter-spacing:.6em;text-align:center;font-size:28px!important;font-weight:700}

/* ---------- misc ---------- */
.toggle-theme .moon{display:none}:root[data-theme="dark"] .toggle-theme .sun{display:none}:root[data-theme="dark"] .toggle-theme .moon{display:inline}
.chart-bars{display:flex;align-items:flex-end;gap:6px;height:160px;padding-top:10px}
.chart-bars div{flex:1;background:color-mix(in srgb,var(--acc) 70%,var(--card));border-radius:6px 6px 2px 2px;min-height:2px;position:relative}
.chart-bars div span{position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--mute);white-space:nowrap}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:20px;overflow-x:auto}
.tabs a{padding:10px 14px;text-decoration:none;color:var(--mute);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}.tabs a[aria-current]{color:var(--ink);border-color:var(--ink)}
.receipt{max-width:640px;margin:40px auto;background:#fff;color:#1b1a17;padding:40px;border:1px solid #e2ddd2;border-radius:12px}
@media print{.noprint{display:none!important}body{background:#fff}.receipt{border:0;margin:0}}
[hidden]{display:none!important}