/* DevSecOps Learning Series - shared stylesheet (MIT) - Georges MOMO
   Design idea: every course is a transit line. Modules are stations,
   your progress fills the line, the other courses are transfer stations. */

:root{
  --paper:#EDF1F5; --sheet:#FFFFFF; --ink:#18212D; --ink-2:#4A5666; --rule:#CBD3DD;
  --line:#2457D6;           /* overridden per course */
  --line-soft:#DCE5FA;
  --go:#17864F; --stop:#C8322B; --caution:#B57A00;
  --code-bg:#1A2330; --code-ink:#E4EAF1; --code-dim:#8A99AB; --code-ok:#7FD69B; --code-warn:#F2C561; --code-err:#FF8A80; --code-key:#9CC3FF;
  --font-ui:"Overpass",system-ui,sans-serif;
  --font-body:"Source Serif 4",Georgia,serif;
  --font-mono:"Overpass Mono",ui-monospace,monospace;
  --rail:248px; --measure:70ch;
  color-scheme:light;
}
:root[data-course="github"]{--line:#2457D6;--line-soft:#DCE5FA}
:root[data-course="gitlab"]{--line:#6B3FC9;--line-soft:#E8E0FA}
:root[data-course="k8s"]{--line:#0B7F86;--line-soft:#D5EFF0}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0E151F; --sheet:#151F2C; --ink:#E3E9F0; --ink-2:#A2AFBF; --rule:#2B3949;
    --line-soft:#1E2B44; --go:#4CC98A; --stop:#FF7A70; --caution:#F0B93A; --code-bg:#0A1018;
    color-scheme:dark;
  }
  :root:not([data-theme="light"])[data-course="github"]{--line:#6E97FF;--line-soft:#1C2A4A}
  :root:not([data-theme="light"])[data-course="gitlab"]{--line:#A887FF;--line-soft:#2A2147}
  :root:not([data-theme="light"])[data-course="k8s"]{--line:#3FC6CC;--line-soft:#123437}
}
:root[data-theme="dark"]{
  --paper:#0E151F; --sheet:#151F2C; --ink:#E3E9F0; --ink-2:#A2AFBF; --rule:#2B3949;
  --line-soft:#1E2B44; --go:#4CC98A; --stop:#FF7A70; --caution:#F0B93A; --code-bg:#0A1018;
  color-scheme:dark;
}
:root[data-theme="dark"][data-course="github"]{--line:#6E97FF;--line-soft:#1C2A4A}
:root[data-theme="dark"][data-course="gitlab"]{--line:#A887FF;--line-soft:#2A2147}
:root[data-theme="dark"][data-course="k8s"]{--line:#3FC6CC;--line-soft:#123437}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.68 var(--font-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--line);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--line);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;z-index:99;font-family:var(--font-ui)}
.skip:focus{left:8px}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:14px;padding:10px 20px;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);font-family:var(--font-ui)}
.topbar .badge-line{display:inline-grid;place-items:center;min-width:34px;height:34px;padding:0 8px;border-radius:17px;background:var(--line);color:#fff;font-weight:800;font-size:.95rem;letter-spacing:.02em}
.topbar .t-title{font-weight:700;font-size:1rem;line-height:1.2}
.topbar .t-sub{font-size:.8rem;color:var(--ink-2)}
.topbar .spacer{flex:1}
.topbar .meter{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--ink-2)}
.topbar .meter b{color:var(--ink);font-weight:700}
.iconbtn{appearance:none;border:1px solid var(--rule);background:var(--sheet);color:var(--ink);height:34px;min-width:34px;padding:0 10px;border-radius:8px;font:600 .85rem var(--font-ui);cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.iconbtn:hover{border-color:var(--line)}
.iconbtn svg{width:18px;height:18px}
.menu-btn{display:none}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:var(--rail) minmax(0,1fr);max-width:1240px;margin:0 auto}
.rail{position:sticky;top:55px;align-self:start;height:calc(100vh - 55px);overflow:auto;padding:22px 10px 30px 22px;font-family:var(--font-ui)}
main{padding:0 32px 120px;min-width:0}
main > *{max-width:var(--measure)}
main > .wide, main > section{max-width:none}
main section > *{max-width:var(--measure)}
main section > .wide{max-width:960px}

/* ---------- the route rail (memorable element) ---------- */
.route-rail{position:relative;list-style:none;margin:0;padding:0}
.route-rail::before{content:"";position:absolute;left:11px;top:12px;bottom:12px;width:6px;border-radius:3px;background:var(--rule)}
.route-rail .fill{position:absolute;left:11px;top:12px;width:6px;border-radius:3px;background:var(--line);height:0;transition:height .6s cubic-bezier(.3,.7,.2,1)}
.route-rail li{position:relative;padding:6px 0 6px 36px;min-height:34px}
.route-rail a{display:block;color:var(--ink-2);text-decoration:none;font-size:.88rem;line-height:1.3}
.route-rail a .rt{display:block;font-weight:600;color:var(--ink)}
.route-rail a .rm{font-size:.75rem}
.route-rail .stop{position:absolute;left:5px;top:8px;width:18px;height:18px;border-radius:50%;background:var(--sheet);border:4px solid var(--rule);transition:border-color .3s,background .3s,transform .3s}
.route-rail li.done .stop{border-color:var(--line);background:var(--line)}
.route-rail li.here .stop{border-color:var(--line);transform:scale(1.25)}
.route-rail li.here a .rt{color:var(--line)}
.route-rail li.done .stop::after{content:"";position:absolute;left:2px;top:-1px;width:5px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.route-rail li.terminus .stop{border-radius:4px}
.rail h2{font:700 .8rem var(--font-ui);color:var(--ink-2);margin:26px 0 8px}
.transfers{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.transfers a{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-size:.85rem;line-height:1.25;padding:6px 8px;border-radius:8px;border:1px solid transparent}
.transfers a:hover{border-color:var(--rule);background:var(--sheet)}
.transfers .chip{flex:none;width:30px;height:30px;border-radius:15px;display:grid;place-items:center;color:#fff;font:800 .72rem var(--font-ui)}
.transfers a[aria-current]{background:var(--sheet);border-color:var(--rule)}

/* ---------- hero ---------- */
.hero{padding:56px 0 30px}
.hero h1{font:800 clamp(2.2rem,4.8vw,3.6rem)/1.04 var(--font-ui);letter-spacing:-.02em;margin:0 0 18px;max-width:18ch}
.hero .lede{font-size:1.2rem;line-height:1.55;color:var(--ink-2);max-width:60ch;margin:0 0 26px}
.hero .facts{display:flex;flex-wrap:wrap;gap:10px 26px;font:500 .92rem var(--font-ui);color:var(--ink-2);margin:0 0 30px;padding:0;list-style:none}
.hero .facts b{color:var(--ink);font-weight:700}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{appearance:none;display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:10px;border:2px solid var(--line);background:var(--line);color:#fff;font:700 .95rem var(--font-ui);text-decoration:none;cursor:pointer}
.btn.ghost{background:transparent;color:var(--line)}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.author{display:flex;gap:14px;align-items:center;margin-top:30px;font:500 .9rem var(--font-ui);color:var(--ink-2)}
.author .mono{flex:none;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--paper);font-weight:800}
.author b{color:var(--ink)}

/* ---------- interactive line diagram (hero + inline) ---------- */
.linemap{margin:8px 0 10px;background:var(--sheet);border:1px solid var(--rule);border-radius:16px;padding:22px 22px 18px;max-width:960px}
.linemap .lm-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-family:var(--font-ui);margin-bottom:6px}
.linemap .lm-head strong{font-size:1rem}
.linemap .lm-head span{font-size:.82rem;color:var(--ink-2)}
.lm-track{position:relative;display:flex;justify-content:space-between;padding:26px 6px 8px;overflow-x:auto}
.lm-track::before{content:"";position:absolute;left:28px;right:28px;top:40px;height:8px;border-radius:4px;background:var(--line)}
.lm-train{position:absolute;top:33px;left:20px;width:22px;height:22px;border-radius:50%;background:var(--ink);border:4px solid var(--sheet);box-shadow:0 0 0 2px var(--ink);transition:left .7s cubic-bezier(.4,.1,.2,1);z-index:2}
.lm-stop{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;flex:1 1 0;min-width:76px;background:none;border:0;padding:0;cursor:pointer;color:var(--ink);font:600 .8rem/1.2 var(--font-ui);text-align:center}
.lm-stop i{width:24px;height:24px;border-radius:50%;background:var(--sheet);border:5px solid var(--line);transition:transform .2s}
.lm-stop.gate i{border-radius:5px}
.lm-stop[aria-pressed="true"] i{transform:scale(1.3);background:var(--line)}
.lm-stop:hover i{transform:scale(1.2)}
.lm-stop small{display:block;color:var(--ink-2);font-weight:500}
.lm-panel{border-top:1px solid var(--rule);margin-top:14px;padding-top:14px;min-height:92px}
.lm-panel h3{font:700 1.05rem var(--font-ui);margin:0 0 4px}
.lm-panel p{margin:0 0 6px}
.lm-panel .lm-tool{font:500 .85rem var(--font-mono);color:var(--ink-2)}
.lm-controls{display:flex;gap:8px;margin-top:10px}
.legend{display:flex;flex-wrap:wrap;gap:14px;font:500 .8rem var(--font-ui);color:var(--ink-2);margin-top:8px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:50%;border:3px solid var(--line);vertical-align:-1px;margin-right:5px}
.legend i.gate{border-radius:3px}

/* ---------- modules ---------- */
section.module{padding:56px 0 8px;border-top:1px solid var(--rule)}
.mod-head{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;align-items:center;margin-bottom:22px;max-width:var(--measure)}
.mod-num{grid-row:span 2;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;border:6px solid var(--line);background:var(--sheet);font:800 1.25rem var(--font-ui);color:var(--ink)}
section.module.done .mod-num{background:var(--line);color:#fff}
.mod-head h2{font:800 clamp(1.6rem,3vw,2.15rem)/1.12 var(--font-ui);letter-spacing:-.01em;margin:0}
.mod-meta{font:500 .88rem var(--font-ui);color:var(--ink-2)}
.goals{background:var(--line-soft);border-radius:12px;padding:14px 20px 14px 18px;margin:0 0 24px;font-family:var(--font-ui);font-size:.95rem}
.goals strong{display:block;margin-bottom:4px}
.goals ul{margin:0;padding-left:20px}
h3{font:700 1.3rem/1.25 var(--font-ui);margin:38px 0 10px}
h4{font:700 1.05rem var(--font-ui);margin:26px 0 6px}
p{margin:0 0 16px}
ul,ol{padding-left:24px}
li{margin:4px 0}
code{font:500 .88em var(--font-mono);background:var(--line-soft);padding:.08em .35em;border-radius:4px}
kbd{font:600 .8em var(--font-ui);border:1px solid var(--rule);border-bottom-width:2px;border-radius:5px;padding:1px 6px;background:var(--sheet)}
.mod-done{margin:34px 0 0;display:flex;align-items:center;gap:14px;font-family:var(--font-ui)}
.mod-done .btn[aria-pressed="true"]{background:var(--go);border-color:var(--go)}
.mod-done span{color:var(--ink-2);font-size:.9rem}

/* analogy / note / warning callouts: the left bar colour says what it is */
.callout{border-left:6px solid var(--line);background:var(--sheet);padding:14px 18px;border-radius:0 12px 12px 0;margin:20px 0}
.callout > :last-child{margin-bottom:0}
.callout .c-t{font:700 .95rem var(--font-ui);display:block;margin-bottom:4px}
.callout.analogy{border-left-color:var(--caution)}
.callout.warn{border-left-color:var(--stop)}
.callout.tip{border-left-color:var(--go)}
.callout.pro{border-left-color:var(--ink)}

/* tables */
.tbl{overflow-x:auto;margin:18px 0 22px}
table{border-collapse:collapse;width:100%;font:400 .92rem/1.45 var(--font-ui);background:var(--sheet);border-radius:10px;overflow:hidden}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
th{font-weight:700;background:var(--line-soft)}
tr:last-child td{border-bottom:0}

/* ---------- code & terminal ---------- */
pre{margin:0;font:400 .86rem/1.6 var(--font-mono);white-space:pre;overflow-x:auto}
.code{position:relative;background:var(--code-bg);color:var(--code-ink);border-radius:12px;margin:18px 0 22px;max-width:960px}
.code .c-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 12px 8px 16px;border-bottom:1px solid #ffffff14;font:600 .78rem var(--font-ui);color:var(--code-dim)}
.code .c-bar .dots{display:flex;gap:6px;flex:none}
.code .c-bar .c-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.code .c-bar > span:last-child{flex:none;display:flex;gap:6px}
p code,li code,dd code,td code{overflow-wrap:anywhere}
.code .c-bar .dots i{width:10px;height:10px;border-radius:50%;background:#ffffff26}
.code pre{padding:14px 16px}
.code .copy{appearance:none;border:1px solid #ffffff2e;background:transparent;color:var(--code-ink);border-radius:6px;font:600 .75rem var(--font-ui);padding:3px 9px;cursor:pointer}
.code .copy:hover{border-color:var(--code-key)}
.code .play{appearance:none;border:1px solid #ffffff2e;background:transparent;color:var(--code-ok);border-radius:6px;font:600 .75rem var(--font-ui);padding:3px 9px;cursor:pointer}
.code .p{color:var(--code-dim);user-select:none}
.code .cmd{color:#fff;font-weight:600}
.code .ok{color:var(--code-ok)} .code .warn{color:var(--code-warn)} .code .err{color:var(--code-err)} .code .key{color:var(--code-key)} .code .dim{color:var(--code-dim)}
.code .hl{background:#ffffff14;display:inline-block;width:100%}
.code .note{display:block;color:var(--code-warn);font-style:italic}
.code.typing .line{visibility:hidden}
.code .line.shown{visibility:visible}
.code .caret::after{content:"▋";color:var(--code-ok);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
/* annotated code: numbered pins that match a list below */
.code .pin{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--line);color:#fff;font:800 .68rem var(--font-ui);vertical-align:1px;margin-left:6px}
ol.pins{list-style:none;padding:0;counter-reset:pin;margin:-8px 0 22px}
ol.pins li{counter-increment:pin;position:relative;padding-left:30px;margin:8px 0}
ol.pins li::before{content:counter(pin);position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--line);color:#fff;display:grid;place-items:center;font:800 .72rem var(--font-ui)}

/* ---------- annotated screenshots ---------- */
.shot{margin:22px 0 26px;max-width:960px}
.shot .frame{position:relative;border:1px solid var(--rule);border-radius:12px;overflow:visible;background:var(--sheet);box-shadow:0 10px 30px -18px #0a142480}
.shot .frame img{display:block;width:100%;border-radius:11px}
.shot .hs{position:absolute;transform:translate(-50%,-50%);width:28px;height:28px;border-radius:50%;background:var(--line);color:#fff;border:3px solid #fff;font:800 .78rem var(--font-ui);cursor:pointer;display:grid;place-items:center;box-shadow:0 0 0 0 var(--line);animation:ping 2.4s ease-out 1}
.shot .hs[aria-expanded="true"]{background:var(--ink)}
@keyframes ping{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--line) 70%,transparent)}100%{box-shadow:0 0 0 18px transparent}}
.shot figcaption{font:500 .88rem/1.45 var(--font-ui);color:var(--ink-2);margin-top:10px}
.shot .notes{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:6px;font:400 .92rem/1.45 var(--font-ui)}
.shot .notes li{display:grid;grid-template-columns:24px 1fr;gap:10px;padding:6px 8px;border-radius:8px}
.shot .notes li.on{background:var(--line-soft)}
.shot .notes .n{width:22px;height:22px;border-radius:50%;background:var(--line);color:#fff;display:grid;place-items:center;font:800 .72rem var(--font-ui)}

/* ---------- glossary terms ---------- */
.term{border-bottom:2px dotted var(--line);cursor:help;text-decoration:none;color:inherit;text-align:inherit;background:none;border-top:0;border-left:0;border-right:0;padding:0;font:inherit}
.pop{position:absolute;z-index:60;max-width:320px;background:var(--ink);color:var(--paper);padding:10px 12px;border-radius:10px;font:400 .88rem/1.45 var(--font-ui);box-shadow:0 12px 30px -10px #0008}
.pop b{display:block;font-weight:700;margin-bottom:2px}
.glossary-search{width:100%;max-width:420px;padding:10px 14px;border:1px solid var(--rule);border-radius:10px;font:500 1rem var(--font-ui);background:var(--sheet);color:var(--ink);margin:6px 0 16px}
dl.glossary{display:grid;grid-template-columns:minmax(140px,220px) 1fr;gap:0;max-width:960px;background:var(--sheet);border:1px solid var(--rule);border-radius:12px;overflow:hidden}
dl.glossary dt{font:700 .95rem var(--font-ui);padding:10px 14px;border-bottom:1px solid var(--rule)}
dl.glossary dd{margin:0;padding:10px 14px;border-bottom:1px solid var(--rule);font-size:.95rem}
dl.glossary .hide{display:none}

/* ---------- quiz ---------- */
.quiz{background:var(--sheet);border:1px solid var(--rule);border-radius:14px;padding:18px 20px;margin:26px 0;max-width:var(--measure);font-family:var(--font-ui)}
.quiz .q-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:8px}
.quiz .q-head strong{font-size:1rem}
.quiz .q-score{font-size:.85rem;color:var(--ink-2)}
.quiz .q{padding:12px 0;border-top:1px solid var(--rule)}
.quiz .q:first-of-type{border-top:0}
.quiz .q p{font:600 1rem/1.4 var(--font-ui);margin:0 0 10px}
.quiz .opts{display:grid;gap:8px}
.quiz .opt{appearance:none;text-align:left;border:1.5px solid var(--rule);background:var(--paper);color:var(--ink);border-radius:10px;padding:9px 12px;font:500 .95rem/1.35 var(--font-ui);cursor:pointer;display:flex;gap:10px;align-items:flex-start}
.quiz .opt:hover:not([disabled]){border-color:var(--line)}
.quiz .opt .k{flex:none;width:22px;height:22px;border-radius:6px;border:1.5px solid var(--rule);display:grid;place-items:center;font-size:.75rem;font-weight:700}
.quiz .opt.right{border-color:var(--go);background:color-mix(in srgb,var(--go) 12%,var(--sheet))}
.quiz .opt.wrong{border-color:var(--stop);background:color-mix(in srgb,var(--stop) 10%,var(--sheet))}
.quiz .opt[disabled]{cursor:default}
.quiz .why{margin:10px 0 0;padding:10px 12px;border-radius:10px;background:var(--paper);font:400 .92rem/1.5 var(--font-ui)}
.quiz .why b{color:var(--go)}
.quiz .why.no b{color:var(--stop)}
.quiz .q-foot{display:flex;gap:10px;align-items:center;margin-top:10px}

/* ---------- exercises ---------- */
.exercise{border:2px dashed var(--line);border-radius:14px;padding:16px 20px;margin:26px 0;max-width:var(--measure);background:color-mix(in srgb,var(--line-soft) 45%,transparent)}
.exercise .x-t{font:800 1.05rem var(--font-ui);margin:0 0 6px;display:flex;gap:10px;align-items:center}
.exercise .x-t .lvl{font:700 .72rem var(--font-ui);padding:2px 8px;border-radius:10px;background:var(--line);color:#fff}
.exercise details{margin-top:10px;border-top:1px solid var(--rule);padding-top:8px}
.exercise summary{cursor:pointer;font:700 .92rem var(--font-ui);color:var(--line)}
.exercise details[open] summary{margin-bottom:8px}
.checklist{list-style:none;padding:0}
.checklist li{display:flex;gap:10px;align-items:flex-start}
.checklist input{margin-top:6px;accent-color:var(--line);width:17px;height:17px}

/* ---------- step lists (real sequences only) ---------- */
ol.steps{list-style:none;padding:0;counter-reset:s;margin:18px 0}
ol.steps > li{counter-increment:s;position:relative;padding:0 0 18px 46px;margin:0}
ol.steps > li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;border:4px solid var(--line);background:var(--sheet);display:grid;place-items:center;font:800 .8rem var(--font-ui)}
ol.steps > li::after{content:"";position:absolute;left:13px;top:32px;bottom:0;width:4px;background:var(--rule)}
ol.steps > li:last-child::after{display:none}
ol.steps > li > strong:first-child{font-family:var(--font-ui)}

/* ---------- tabs (compare approaches) ---------- */
.tabs{max-width:960px;margin:20px 0}
.tabs [role=tablist]{display:flex;gap:4px;border-bottom:2px solid var(--rule);overflow-x:auto}
.tabs [role=tab]{appearance:none;border:0;background:none;padding:9px 14px;font:700 .9rem var(--font-ui);color:var(--ink-2);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;white-space:nowrap}
.tabs [role=tab][aria-selected=true]{color:var(--line);border-bottom-color:var(--line)}
.tabs [role=tabpanel]{padding-top:6px}

/* ---------- simulator / widget shell ---------- */
.widget{background:var(--sheet);border:1px solid var(--rule);border-radius:16px;padding:18px 20px;margin:24px 0;max-width:960px;font-family:var(--font-ui)}
.widget .w-t{font:800 1.05rem var(--font-ui);margin:0 0 4px}
.widget .w-s{color:var(--ink-2);font-size:.9rem;margin:0 0 14px}
.widget label{font:600 .88rem var(--font-ui)}
.widget input[type=range]{accent-color:var(--line);width:100%}
.widget select,.widget input[type=text],.widget textarea{font:500 .9rem var(--font-mono);border:1px solid var(--rule);border-radius:8px;padding:7px 10px;background:var(--paper);color:var(--ink);width:100%}
.widget .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:12px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:12px;font:700 .78rem var(--font-ui);background:var(--line-soft);color:var(--ink)}
.pill.ok{background:color-mix(in srgb,var(--go) 18%,var(--sheet));color:var(--go)}
.pill.ko{background:color-mix(in srgb,var(--stop) 15%,var(--sheet));color:var(--stop)}
.pill.wait{background:color-mix(in srgb,var(--caution) 18%,var(--sheet));color:var(--caution)}

/* ---------- final exam & certificate ---------- */
.finish{background:var(--ink);color:var(--paper);border-radius:18px;padding:28px;margin:30px 0;max-width:960px}
.finish h3{margin-top:0;color:var(--paper)}
.finish .big{font:800 2.6rem var(--font-ui)}
.finish a{color:var(--paper)}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--rule);margin-top:60px;padding:28px 0;font:500 .9rem/1.6 var(--font-ui);color:var(--ink-2)}
footer.site a{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .rail{position:fixed;inset:55px auto 0 0;align-self:stretch;width:min(320px,86vw);background:var(--paper);border-right:1px solid var(--rule);transform:translateX(-105%);transition:transform .25s;z-index:45;height:auto}
  body.rail-open .rail{transform:none}
  .menu-btn{display:inline-flex}
  main{padding:0 16px 100px}
  .topbar{padding:10px 16px}
  .topbar .t-sub{display:none}
}
@media (max-width:640px){
  .topbar .meter span.txt{display:none}
  .lm-track{justify-content:flex-start;gap:4px}
  dl.glossary{grid-template-columns:1fr}
  dl.glossary dt{border-bottom:0;padding-bottom:0}
  .hero{padding-top:36px}
}
/* small screens: smaller pins so they are not clipped or stacked on narrow screenshots */
@media (max-width:640px){.shot .hs{width:20px;height:20px;border-width:2px;font-size:.66rem}}
@media print{.rail,.topbar,.mod-done,.quiz .q-foot{display:none}.layout{display:block}}