/* AI Explorers · MAT-SA brand: black on white / white on black, greys for hierarchy, Geist.
   Layout: sticky product bar, horizontal main tabs, one focused column per page. */
:root{
  --ground:#FFFFFF; --ink:#000000; --muted:#5C5C5C; --grey:#808080;
  --surface:#F5F5F5; --track:#EBEBEB; --line:#E5E5E5;
  --sans:"Geist",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Geist Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --r-sm:4px; --r-md:8px; --r-lg:14px;
  --fs-body:16px; --fs-lead:18px; --fs-h1:40px; --fs-h2:24px; --fs-label:12px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{--ground:#000000;--ink:#FFFFFF;--muted:#A1A1A1;--surface:#111111;--track:#1F1F1F;--line:#2E2E2E;color-scheme:dark}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{background:var(--ground);color:var(--ink)}
body{margin:0;font-family:var(--sans);font-size:var(--fs-body);line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
body.junior{--fs-body:19px;--fs-lead:21px;--fs-h1:42px;--fs-h2:28px;--r-md:12px;--r-lg:20px}
main{flex:1;padding-block:32px 72px;width:100%}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3,h4{margin:0;text-wrap:balance;letter-spacing:-0.02em}
h1{font-size:var(--fs-h1);line-height:1.08;font-weight:800;letter-spacing:-0.035em}
h2{font-size:var(--fs-h2);line-height:1.2;font-weight:600}
h3{font-size:calc(var(--fs-body) + 3px);font-weight:600;line-height:1.3}
h4{font-size:calc(var(--fs-body) + 1px);font-weight:600}
p{margin:0}
a{color:inherit}
img{max-width:100%}
.label{font-family:var(--mono);font-size:var(--fs-label);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:500}
.muted{color:var(--muted)}
.small{font-size:14px}
.lead{font-size:var(--fs-lead);color:var(--muted);max-width:64ch}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
svg.i{width:1.1em;height:1.1em;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:-0.15em}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:var(--r-sm)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:50;background:var(--ink);color:var(--ground);padding:8px 12px;border-radius:var(--r-md)}
.hide{display:none!important}
@media (max-width:560px){.hide-sm{display:none!important}}

/* Bar */
.bar{position:sticky;top:0;z-index:20;background:var(--ground);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.bar-inner{display:flex;align-items:center;gap:16px;min-height:60px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;min-width:0;text-decoration:none}
.brand img{height:13px;width:auto;display:block}
.brand img.logo-dark{display:none}
@media (prefers-color-scheme: dark){.brand img.logo-light{display:none}.brand img.logo-dark{display:block}}
.brand .sep{width:1px;height:18px;background:var(--line)}
.brand b{font-weight:600;font-size:15px;white-space:nowrap}
.who{display:flex;align-items:center;gap:10px}
.who-name{display:inline-flex;gap:6px;align-items:center;font-size:14px;color:var(--muted);max-width:40vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.public-nav{display:flex;gap:10px;align-items:center}
.public-nav a:not(.btn){font-size:14px;text-decoration:none;color:var(--muted)}
.public-nav .btn{white-space:nowrap}
@media (max-width:480px){body.public .brand b,body.public .brand .sep{display:none}}
@media (max-width:560px){.who-name{display:none}}
.tabs{border-bottom:1px solid var(--line)}
.tabs-inner{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.tabs-inner::-webkit-scrollbar{display:none}
.tabs a,.subtabs a{padding:13px 12px;font-size:14px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;display:flex;align-items:center;gap:8px;text-decoration:none}
.tabs a[aria-current="page"],.subtabs a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}
body.junior .tabs a{font-size:17px;padding:14px 14px}
.subtabs{display:flex;gap:2px;overflow-x:auto;border-bottom:1px solid var(--line);margin:24px 0 28px;scrollbar-width:none}

/* Buttons and forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:var(--r-md);font:inherit;font-weight:600;font-size:15px;min-height:44px;border:1px solid transparent;cursor:pointer;text-decoration:none;color:inherit;background:none;line-height:1.2}
.btn-sm{min-height:36px;padding:7px 12px;font-size:14px}
body.junior .btn:not(.btn-sm){font-size:19px;padding:14px 24px;min-height:56px}
.btn-primary{background:var(--ink);color:var(--ground)}
.btn-ghost{border-color:var(--line);background:var(--ground)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-danger{border-color:var(--ink);border-style:dashed;background:var(--ground)}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.btn-link{background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.stack{display:grid;gap:16px}
form.inline{display:inline}
label{display:grid;gap:6px;font-weight:500;font-size:15px}
label .hint{font-weight:400;color:var(--muted);font-size:13px}
input[type=text],input[type=password],input[type=number],input[type=date],select,textarea{font:inherit;color:var(--ink);background:var(--ground);border:1px solid var(--line);border-radius:var(--r-md);padding:10px 12px;min-height:44px;width:100%}
textarea{min-height:120px;resize:vertical;line-height:1.5}
textarea.code{font-family:var(--mono);font-size:13px;min-height:320px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:0;border-color:var(--ink)}
.check{display:flex;gap:10px;align-items:center;font-weight:400}
.check input{width:20px;height:20px;accent-color:var(--ink)}
.form-card{max-width:440px;margin:24px auto 0}

/* Cards and layout */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;min-width:0}
.card.plain{background:var(--ground)}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}
.g2e{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:860px){.g2,.g2e,.g3{grid-template-columns:minmax(0,1fr)}}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.page-head{display:grid;gap:10px;margin-bottom:28px}
.page-head .row{margin-top:6px}
.crumbs{display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-bottom:14px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.flashes{display:grid;gap:8px;margin-bottom:24px}
.flash{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);font-size:15px}
.flash-error{border-color:var(--ink);border-style:dashed}
.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:4px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted);white-space:nowrap;background:var(--ground)}
.chip.on{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.meter{height:8px;background:var(--track);border-radius:999px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--ink);border-radius:999px}
.empty{border:1px dashed var(--line);border-radius:var(--r-lg);padding:32px;text-align:center;color:var(--muted)}

/* Public */
.hero{display:grid;gap:18px;padding:24px 0 40px;max-width:820px}
.hero h1{font-size:clamp(40px,7vw,72px)}
.tracks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:760px){.tracks{grid-template-columns:1fr}}
.track{display:grid;gap:12px;align-content:start}
.pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin:40px 0}
.pillars div{background:var(--ground);padding:20px;display:grid;gap:8px;align-content:start}
.pillars svg.i{width:26px;height:26px}
@media (max-width:760px){.pillars{grid-template-columns:repeat(2,minmax(0,1fr))}}
.syl-mod{border-top:1px solid var(--line);padding:24px 0;display:grid;grid-template-columns:120px minmax(0,1fr);gap:24px}
.syl-mod:first-of-type{border-top:0}
.syl-mod .when{display:grid;gap:6px;align-content:start}
.syl-mod .when b{font-size:32px;font-weight:800;letter-spacing:-0.03em;line-height:1}
.syl-mod ul{margin:8px 0 0;padding-left:20px}
.syl-mod .acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
@media (max-width:640px){.syl-mod{grid-template-columns:1fr;gap:10px}}

/* Learner login */
.code-input{font-family:var(--mono);font-size:32px!important;letter-spacing:.3em;text-align:center;text-transform:uppercase}
.names{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:20px}
.names a{display:flex;gap:10px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:var(--r-lg);text-decoration:none;font-weight:600;font-size:18px;background:var(--surface)}
.names a:hover{border-color:var(--ink)}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--ground);display:grid;place-items:center;font-weight:800;flex:none;font-size:17px}
.pin-wrap{max-width:340px;margin:0 auto;display:grid;gap:16px;justify-items:center;text-align:center}
.pin-dots{display:flex;gap:14px;margin:8px 0}
.pin-dots i{width:18px;height:18px;border-radius:50%;border:2px solid var(--ink)}
.pin-dots i.on{background:var(--ink)}
.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%}
.pad button{font:inherit;font-size:26px;font-weight:600;min-height:64px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.pad button:active{background:var(--ink);color:var(--ground)}

/* Dashboard */
.continue{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;flex-wrap:wrap}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin:8px 0 24px}
.kpis div{background:var(--ground);padding:18px 20px;display:grid;gap:4px;align-content:start}
.kpis b{font-size:34px;font-weight:800;letter-spacing:-0.03em;font-variant-numeric:tabular-nums;line-height:1.1}
@media (max-width:720px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
.skills{display:grid;gap:16px}
.skill{display:grid;gap:6px}
.skill .top{display:flex;justify-content:space-between;gap:8px}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px}
.badge{border:1px dashed var(--line);border-radius:var(--r-md);padding:14px 8px;text-align:center;display:grid;gap:6px;justify-items:center;font-size:13px;color:var(--muted)}
.badge svg.i{width:26px;height:26px}
.badge.got{border-style:solid;border-color:var(--ink);color:var(--ink);background:var(--ground)}
.list{list-style:none;margin:0;padding:0}
.list li{display:flex;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.list li:first-child{border-top:0}
.list .grow{flex:1;min-width:0}
.list .grow span{display:block;font-size:13px;color:var(--muted)}

/* Course page (Moodle-style sections) */
.section{border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:12px;background:var(--ground);overflow:hidden}
.section>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:14px;align-items:center;padding:18px 20px}
.section>summary::-webkit-details-marker{display:none}
.section[open]>summary{border-bottom:1px solid var(--line);background:var(--surface)}
.section .n{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-family:var(--mono);font-size:13px}
.section.complete .n{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.section.locked{opacity:.6}
.section .t{display:grid;gap:2px;min-width:0}
.section .t span{font-size:14px;color:var(--muted)}
.section .side{display:flex;gap:10px;align-items:center}
.section .chev{transition:transform .15s}
.section[open] .chev{transform:rotate(180deg)}
.acts{list-style:none;margin:0;padding:6px 0}
.acts li a,.acts li>div{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 20px;text-decoration:none}
.acts li a:hover{background:var(--surface)}
.acts .kind{font-size:13px;color:var(--muted)}
.tick{width:24px;height:24px;border-radius:6px;border:1.5px solid var(--grey);display:grid;place-items:center}
.tick.on{background:var(--ink);border-color:var(--ink);color:var(--ground)}
.tick svg.i{width:15px;height:15px}

/* Lesson */
.lesson{max-width:740px}
.prose{display:grid;gap:14px;font-size:calc(var(--fs-body) + 1px);line-height:1.65}
.prose h3{margin-top:18px}
.prose h4{margin-top:8px}
.prose ul,.prose ol{margin:0;padding-left:22px;display:grid;gap:6px}
.prose .callout{border-left:2px solid var(--ink);background:var(--surface);padding:14px 18px;border-radius:0 var(--r-md) var(--r-md) 0;display:grid;gap:4px}
.prose a{text-underline-offset:3px}
.activity-head{display:grid;gap:10px;margin-bottom:24px}
.meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:14px;align-items:center}
.meta span{display:inline-flex;gap:6px;align-items:center}
.pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:40px;padding-top:20px}
.pager a{text-decoration:none;display:grid;gap:2px;max-width:48%}
.pager a.next{text-align:right;margin-left:auto}
.pager span{font-size:13px;color:var(--muted)}
.preview-bar{display:flex;gap:10px;align-items:center;padding:10px 14px;border:1px dashed var(--ink);border-radius:var(--r-md);margin-bottom:20px;font-size:14px}

/* Junior story */
.story{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center}
@media (max-width:760px){.story{grid-template-columns:1fr;gap:20px}}
.story .art{aspect-ratio:1/1;max-width:100%;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);display:grid;place-items:center}
@media (max-width:760px){.story .art{aspect-ratio:auto;height:170px}.story .art svg.i{width:auto;height:60%}}
.story .art svg.i{width:44%;height:44%;stroke-width:1.1}
.story .words{font-size:clamp(24px,3.4vw,34px);line-height:1.3;font-weight:600;letter-spacing:-0.02em}
.story .words p{text-wrap:balance}
.dots{display:flex;gap:8px;margin:20px 0}
.dots i{width:10px;height:10px;border-radius:50%;background:var(--track)}
.dots i.on{background:var(--ink)}
.page[hidden]{display:none}

/* Quiz */
.quiz{max-width:760px}
.qcard{border-top:1px solid var(--line);padding:28px 0;display:grid;gap:14px}
.qcard:first-of-type{border-top:0;padding-top:8px}
.qcard h3{font-size:calc(var(--fs-body) + 5px)}
body.junior .qcard h3{font-size:30px}
.opts{display:grid;gap:10px}
.opt{display:flex;gap:12px;align-items:center;width:100%;text-align:left;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--ground);min-height:52px;cursor:pointer;font-weight:400}
body.junior .opt{padding:18px 20px;min-height:68px;font-size:21px;font-weight:500}
.opt:hover{border-color:var(--ink)}
.opt input{position:absolute;opacity:0;width:1px;height:1px}
.opt .k{font-family:var(--mono);font-size:12px;width:26px;height:26px;border:1px solid var(--line);border-radius:6px;display:grid;place-items:center;flex:none}
.opt:has(input:checked){background:var(--ink);color:var(--ground);border-color:var(--ink)}
.opt:has(input:checked) .k{border-color:var(--ground)}
.opt:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:2px}
.opt.right{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.opt.wrong{border-style:dashed;border-color:var(--ink)}
.opt .mark{margin-left:auto}
.explain{padding:14px 16px;border-left:2px solid var(--ink);background:var(--surface);border-radius:0 var(--r-md) var(--r-md) 0;font-size:15px}
.score{font-size:76px;font-weight:800;letter-spacing:-0.04em;line-height:1;font-variant-numeric:tabular-nums}
.qnav{display:flex;justify-content:space-between;gap:12px;margin-top:8px}

/* Practicals */
.crit{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;margin:16px 0}
.crit div{border:1px solid var(--line);border-radius:var(--r-md);padding:12px;font-size:14px;display:flex;gap:10px;align-items:flex-start}
.sort{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:680px){.sort{grid-template-columns:1fr}}
.item{border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;display:grid;gap:12px;background:var(--surface)}
.item .what{display:flex;gap:12px;align-items:center;font-size:calc(var(--fs-body) + 1px);font-weight:600}
.item .what svg.i{width:30px;height:30px}
.bins{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px}
.bins button{font:inherit;border:1px solid var(--line);border-radius:var(--r-md);padding:10px;font-weight:600;background:var(--ground);color:var(--ink);min-height:48px;cursor:pointer;font-size:15px}
body.junior .bins button{min-height:58px;font-size:18px}
.bins button[aria-pressed="true"]{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.order{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:o}
.order li{display:grid;grid-template-columns:32px minmax(0,1fr) auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:var(--r-md);padding:10px 12px;background:var(--surface);counter-increment:o}
.order li::before{content:counter(o);font-family:var(--mono);font-size:13px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;background:var(--ground)}
.order .mv{display:flex;gap:6px}
.order .mv button{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--ground);color:var(--ink);display:grid;place-items:center;cursor:pointer}
.order .mv button:disabled{opacity:.3;cursor:default}
.order li.moved{border-color:var(--ink)}
.chat{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.chat .ask{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:flex-start;background:var(--surface);font-size:14px}
.chat .ans{padding:16px;display:grid;gap:6px;line-height:1.6}
.seg{display:block;width:100%;text-align:left;padding:8px 12px;border-radius:var(--r-sm);border:1px solid transparent;background:none;font:inherit;color:inherit;cursor:pointer}
.seg:hover{background:var(--surface)}
.seg[aria-pressed="true"]{border-color:var(--ink);background:var(--surface);text-decoration:underline wavy;text-decoration-thickness:1px;text-underline-offset:4px}
.res-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.res-list li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md)}
.res-list li.ok{border-color:var(--ink)}
.res-list li.bad{border-style:dashed;border-color:var(--ink)}
.res-list li.quiet{color:var(--muted)}
.res-list small{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.tally{display:flex;gap:28px;flex-wrap:wrap;margin:8px 0 20px}
.tally div{display:grid}
.tally b{font-size:32px;font-weight:800;letter-spacing:-0.03em;font-variant-numeric:tabular-nums}
.rubric{width:100%;border-collapse:collapse}

/* Tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--ground)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:500;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--surface)}
td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.num,th.num{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right}
td.c,th.c{text-align:center}
.gb th.rot{min-width:64px;text-align:center;white-space:normal;line-height:1.2}
.gb td.sticky,.gb th.sticky{position:sticky;left:0;background:var(--ground);z-index:1;min-width:140px}
.gb th.sticky{background:var(--surface)}
.cell{font-family:var(--mono);font-size:13px;display:inline-block;min-width:40px;text-align:center;padding:3px 6px;border-radius:var(--r-sm)}
.cell.hi{background:var(--ink);color:var(--ground)}
.cell.lo{border:1px dashed var(--ink)}
.cell.none{color:var(--grey)}

/* Report bars */
.pairs{display:grid;gap:14px}
.pair{display:grid;grid-template-columns:minmax(90px,140px) minmax(0,1fr);gap:12px;align-items:center}
.pair .bars{display:grid;gap:4px}
.pb{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px}
.pb i{display:block;height:12px;border-radius:var(--r-sm);min-width:2px}
.pb.base i{background:var(--grey);opacity:.45}
.pb.now i{background:var(--ink)}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted);margin-bottom:14px;flex-wrap:wrap}
.legend span{display:inline-flex;gap:6px;align-items:center}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block}

/* Login cards (print) */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.lcard{border:1.5px dashed var(--ink);border-radius:var(--r-md);padding:16px;display:grid;gap:6px;break-inside:avoid}
.lcard b{font-size:22px}
.lcard .num{font-size:20px;letter-spacing:.15em}

/* Certificate */
.cert{max-width:860px;margin:0 auto;border:2px solid var(--ink);padding:56px 40px;text-align:center;display:grid;gap:18px;border-radius:var(--r-sm)}
.cert h1{font-size:clamp(36px,6vw,56px)}
.cert .name{font-size:clamp(30px,5vw,44px);font-weight:800;border-bottom:1px solid var(--ink);padding-bottom:8px;margin:0 auto;min-width:60%}

/* Guide */
.guide-mod{border-top:2px solid var(--ink);padding-top:24px;margin-top:40px;display:grid;gap:14px}
.toc{display:flex;gap:8px;flex-wrap:wrap}

.foot{border-top:1px solid var(--line);padding-block:22px calc(22px + env(safe-area-inset-bottom,0px));color:var(--muted);font-size:13px}
.foot-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media (max-width:560px){
  :root{--fs-h1:32px;--fs-h2:21px}
  body.junior{--fs-h1:34px;--fs-h2:24px}
  .card{padding:18px}
  .kpis b{font-size:28px}
  .score{font-size:60px}
  .bar-inner{gap:10px}
}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}
@media print{
  .bar,.tabs,.foot,.no-print,.flashes,.subtabs{display:none!important}
  body{background:#fff;color:#000}
  :root{--ground:#fff;--ink:#000;--muted:#444;--surface:#fff;--line:#999}
  main{padding:0}
  .guide-mod{break-before:page}
  .guide-mod:first-of-type{break-before:auto}
}