/* Prospex Academy: matches the Prospex dashboard (dark violet), light theme too. */
:root{
  --bg:#f6f5fb; --panel:#ffffff; --panel-2:#f0eef8; --ink:#17142b; --muted:#5f5a78; --line:#dedbea;
  --accent:#7c4dff; --accent-2:#22c3ee; --accent-ink:#fff; --accent-soft:#ece6ff;
  --ok:#11845a; --ok-soft:#e1f5ec; --bad:#c2334a; --bad-soft:#fde8ec; --warn:#9a6400; --warn-soft:#fff3d6;
  --radius:12px; --f:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0b0a16; --panel:#13111f; --panel-2:#1a1729; --ink:#ece9fb; --muted:#a29dbf; --line:#2a2640;
  --accent:#9b7bff; --accent-2:#38d1f0; --accent-ink:#120c2a; --accent-soft:#231c40;
  --ok:#3fcf8e; --ok-soft:#0f2a1f; --bad:#ff6b81; --bad-soft:#331219; --warn:#f2b84b; --warn-soft:#2e2410;
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0b0a16; --panel:#13111f; --panel-2:#1a1729; --ink:#ece9fb; --muted:#a29dbf; --line:#2a2640;
  --accent:#9b7bff; --accent-2:#38d1f0; --accent-ink:#120c2a; --accent-soft:#231c40;
  --ok:#3fcf8e; --ok-soft:#0f2a1f; --bad:#ff6b81; --bad-soft:#331219; --warn:#f2b84b; --warn-soft:#2e2410;
  color-scheme:dark}

*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.6 var(--f)}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(1.6rem,3.2vw,2.2rem);letter-spacing:-.01em}
h2{font-size:1.3rem}
h3{font-size:1.05rem}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.small{font-size:.875rem}

/* top bar */
.top{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top-in{max-width:1100px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.brand-t{font-size:1.05rem}
.top-nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.who{font-size:.85rem;color:var(--muted)}
.who b{color:var(--ink)}
.tag{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--accent-soft);color:var(--ink);padding:1px 7px;border-radius:6px;font-size:.85em;white-space:nowrap}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:10px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;background:var(--accent);color:var(--accent-ink);transition:filter .15s}
.btn:hover{filter:brightness(1.08)}
.btn[disabled]{opacity:.45;cursor:not-allowed;filter:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--panel-2)}
.btn.sm{padding:5px 11px;font-size:.875rem;border-radius:8px}
.btn.ok{background:var(--ok);color:#fff}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.stack>*+*{margin-top:16px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
main{padding-top:24px;padding-bottom:40px;outline:none}
main:focus,main:focus-visible{outline:none}

/* home */
.hero{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
@media (max-width:640px){.hero{grid-template-columns:1fr}}
.ring{--p:0;width:120px;height:120px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--accent) calc(var(--p)*1%),var(--panel-2) 0)}
.ring>div{width:94px;height:94px;border-radius:50%;background:var(--panel);display:grid;place-items:center;text-align:center;line-height:1.1}
.ring b{font-size:1.5rem}
.chap{display:flex;gap:14px;align-items:flex-start;text-decoration:none;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;transition:border-color .15s}
.chap:hover{border-color:var(--accent)}
.chap .n{flex:0 0 34px;height:34px;border-radius:9px;display:grid;place-items:center;font-weight:700;background:var(--panel-2)}
.chap.done .n{background:var(--ok);color:#fff}
.chap.part .n{background:var(--accent-soft)}
.chap .t{font-weight:600}
.chap .s{font-size:.82rem;color:var(--muted)}
.pill{display:inline-block;font-size:.72rem;font-weight:700;padding:1px 8px;border-radius:99px;background:var(--panel-2);color:var(--muted);vertical-align:1px}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.ac{background:var(--accent-soft);color:var(--ink)}

/* chapter */
.crumbs{font-size:.875rem;margin-bottom:10px}
.chapter-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}
@media (max-width:900px){.chapter-grid{grid-template-columns:1fr}}
.side{position:sticky;top:72px}
@media (max-width:900px){.side{position:static}}
.side ol{list-style:none;margin:0;padding:0}
.side li{display:flex;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line);font-size:.9rem}
.side li:last-child{border-bottom:0}
.dot{width:18px;height:18px;border-radius:50%;border:2px solid var(--line);flex:0 0 18px;display:grid;place-items:center;font-size:11px;color:#fff}
.dot.on{background:var(--ok);border-color:var(--ok)}
.guide{font-size:1rem}
.guide table{border-collapse:collapse;width:100%;margin:0 0 1em;font-size:.9rem;display:block;overflow-x:auto}
.guide th,.guide td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
.guide th{background:var(--panel-2)}
.guide figure{margin:0 0 1em}
.guide pre{background:#0d0b1a;color:#ece9fb;padding:12px 14px;border-radius:10px;overflow-x:auto;font-size:.85rem;line-height:1.5}
.guide figcaption{font-size:.75rem;color:var(--muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.04em}
.guide code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--panel-2);padding:1px 5px;border-radius:5px}
.guide pre code{background:none;padding:0}
.guide h3{margin-top:1.4em}
.guide ul,.guide ol{padding-left:1.3em}
.section-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* checks */
.q{border:1px solid var(--line);border-radius:10px;padding:14px 16px;background:var(--panel)}
.q+.q{margin-top:12px}
.q legend{font-weight:600;padding:0}
.q fieldset{border:0;margin:0;padding:0}
.opt{display:flex;gap:10px;align-items:flex-start;padding:7px 10px;margin-top:6px;border-radius:8px;border:1px solid transparent;cursor:pointer}
.opt:hover{background:var(--panel-2)}
.opt input{margin-top:5px;accent-color:var(--accent)}
.opt.right{border-color:var(--ok);background:var(--ok-soft)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.why{margin-top:8px;font-size:.88rem;padding:8px 10px;border-radius:8px;background:var(--panel-2)}
.why.ok{border-left:3px solid var(--ok)}
.why.bad{border-left:3px solid var(--bad)}

/* practice */
.task{border:1px solid var(--line);border-radius:10px;padding:16px;background:var(--panel)}
.task+.task{margin-top:12px}
.task.done{border-color:var(--ok)}
.task ol{margin:.4em 0 1em;padding-left:1.3em}
.task li{margin:.2em 0}
.result{margin-top:10px;font-size:.9rem;padding:8px 12px;border-radius:8px}
.result.ok{background:var(--ok-soft);color:var(--ok)}
.result.bad{background:var(--bad-soft);color:var(--bad)}
.result.wait{background:var(--panel-2);color:var(--muted)}
input[type=text],input[type=number]{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%;max-width:340px}
.note{padding:10px 14px;border-radius:10px;background:var(--warn-soft);color:var(--ink);border-left:3px solid var(--warn);font-size:.92rem}
.info{padding:10px 14px;border-radius:10px;background:var(--accent-soft);color:var(--ink);font-size:.92rem}

/* modal */
.modal{position:fixed;inset:0;background:rgba(5,4,12,.72);z-index:20;display:grid;place-items:center;padding:16px}
.modal[hidden]{display:none}
.modal-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;width:min(1100px,100%);max-height:calc(100vh - 32px);overflow:auto;padding:14px}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.modal-head h2{margin:0;font-size:1.05rem}
.walk{width:100%;aspect-ratio:1280/910;border:0;border-radius:10px;background:#0d0b1a;display:block}

/* certificate */
.cert{background:var(--panel);border:2px solid var(--accent);border-radius:16px;padding:40px 28px;text-align:center;position:relative;overflow:hidden}
.cert::before{content:"";position:absolute;inset:10px;border:1px solid var(--line);border-radius:10px;pointer-events:none}
.cert .k{text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;color:var(--muted)}
.cert .nm{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;margin:.3em 0}
.cert .meta{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-top:22px;font-size:.88rem;color:var(--muted)}
.cert .meta b{display:block;color:var(--ink)}

.foot{color:var(--muted);font-size:.8rem;padding-bottom:28px}

@media print{
  .top,.foot,.noprint{display:none!important}
  body{background:#fff;color:#000}
  .cert{border-color:#6d3fe0;box-shadow:none}
  main{padding:0}
}
@media (prefers-reduced-motion: reduce){*{transition:none!important}}