/* run.events Academy handbook styles. Origin of each part: assets/ORIGIN.md */

/* ---------- Fonts (files copied into each edition by the build) ---------- */
@font-face{font-family:"Figtree";font-style:normal;font-display:swap;font-weight:300 900;src:url("fonts/figtree-latin-ext-wght-normal.woff2") format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Figtree";font-style:normal;font-display:swap;font-weight:300 900;src:url("fonts/figtree-latin-wght-normal.woff2") format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Figtree";font-style:italic;font-display:swap;font-weight:300 900;src:url("fonts/figtree-latin-ext-wght-italic.woff2") format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Figtree";font-style:italic;font-display:swap;font-weight:300 900;src:url("fonts/figtree-latin-wght-italic.woff2") format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-display:swap;font-weight:100 800;src:url("fonts/jetbrains-mono-latin-ext-wght-normal.woff2") format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-display:swap;font-weight:100 800;src:url("fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ========== Part 1: reference design ========== */

:root{
  --purple:#6A4A9E; --red:#EE265A; --cyan:#7BCED7; --yellow:#F7CC16;
  --bg:#FBFAFD; --surface:#FFFFFF; --ink:#22183A; --muted:#62587A; --line:#E7E1F0;
  --purple-text:#6A4A9E; --red-text:#C8184A; --purple-soft:#F2EDF9; --code-bg:#22183A; --code-ink:#EDE7F7;
  --hero-bg:#6A4A9E; --hero-ink:#FFFFFF;
  --sans:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#161020; --surface:#1F172D; --ink:#F1ECF8; --muted:#B4A9C8; --line:#352A48;
    --purple-text:#B69BE6; --red-text:#FF6B8F; --purple-soft:#2A2040; --code-bg:#0F0A17; --code-ink:#EDE7F7;
    --hero-bg:#4E3578;
  }
}
:root[data-theme="dark"]{
  --bg:#161020; --surface:#1F172D; --ink:#F1ECF8; --muted:#B4A9C8; --line:#352A48;
  --purple-text:#B69BE6; --red-text:#FF6B8F; --purple-soft:#2A2040; --code-bg:#0F0A17; --code-ink:#EDE7F7;
  --hero-bg:#4E3578;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 24px);scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--purple-text)}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;border-radius:4px}
code{font-family:var(--mono);font-size:.84em;background:var(--purple-soft);color:var(--purple-text);padding:.1em .38em;border-radius:5px;white-space:nowrap}

/* ---------- Hero ---------- */
.hero{background:var(--hero-bg);color:var(--hero-ink);position:relative;overflow:hidden}
.hero-inner{max-width:1180px;margin:0 auto;padding:36px 28px 64px;position:relative;z-index:1}
.wordmark{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:1.35rem;letter-spacing:-.02em;color:#fff;text-decoration:none}
.wordmark img{display:block;height:27px;width:auto}
.hero h1{font-size:clamp(2.3rem,6vw,4.4rem);line-height:1.02;letter-spacing:-.035em;font-weight:900;margin:56px 0 18px;max-width:14ch}
.hero p.lede{font-size:1.2rem;max-width:52ch;margin:0 0 40px;opacity:.9}
.meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid rgba(255,255,255,.28);margin:0}
.meta div{padding:16px 20px 0 0}
.meta dt{font-size:.82rem;opacity:.72;font-weight:600}
.meta dd{margin:2px 0 0;font-weight:700;font-size:1rem;overflow-wrap:anywhere}
.hero-arcs{position:absolute;right:-120px;top:-80px;width:560px;height:560px;z-index:0;opacity:.95;pointer-events:none}
.stripe{display:grid;grid-template-columns:4fr 1fr 2fr 1fr;height:10px}
.stripe span:nth-child(1){background:var(--purple)}
.stripe span:nth-child(2){background:var(--red)}
.stripe span:nth-child(3){background:var(--cyan)}
.stripe span:nth-child(4){background:var(--yellow)}
@media (max-width:760px){.meta{grid-template-columns:1fr 1fr}.hero-arcs{opacity:.35}}

/* ---------- Layout ---------- */
.shell{max-width:1180px;margin:0 auto;padding:56px 28px 96px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:64px}
nav.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 24px);align-self:start}
nav.toc ol{list-style:none;margin:0;padding:0}
nav.toc a{display:flex;gap:10px;padding:7px 12px;border-radius:10px;color:var(--muted);text-decoration:none;font-weight:600;font-size:.95rem;border-left:3px solid transparent}
nav.toc a::before{content:attr(data-n);color:var(--purple-text);font-variant-numeric:tabular-nums;min-width:1ch}
nav.toc a:hover{background:var(--purple-soft);color:var(--ink)}
nav.toc a.active{background:var(--purple-soft);color:var(--ink);border-left-color:var(--red)}
.theme-btn{margin-top:22px;font:600 .85rem var(--sans);background:none;border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:7px 14px;cursor:pointer}
.theme-btn:hover{color:var(--ink);border-color:var(--purple-text)}
main{min-width:0;max-width:820px}
@media (max-width:900px){
  .shell{grid-template-columns:1fr;gap:24px;padding-top:28px}
  nav.toc{position:static}
  nav.toc ol{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px}
  nav.toc a{white-space:nowrap;border-left:0;border:1px solid var(--line)}
  .theme-btn{display:none}
}

section{padding-bottom:64px}
section + section{border-top:1px solid var(--line);padding-top:48px}
h2{font-size:clamp(1.6rem,3vw,2.1rem);letter-spacing:-.025em;line-height:1.15;margin:0 0 20px;font-weight:800;display:flex;align-items:baseline;gap:14px}
h2 .n{display:inline-grid;place-items:center;min-width:2.1rem;height:2.1rem;border-radius:50%;background:var(--purple);color:#fff;font-size:1rem;font-weight:800;transform:translateY(-3px)}
h3{font-size:1.2rem;margin:36px 0 10px;letter-spacing:-.01em;font-weight:800}
p{margin:0 0 14px;max-width:70ch}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface);margin:8px 0 18px}
table{border-collapse:collapse;width:100%;font-size:.96rem}
th{text-align:left;font-weight:700;font-size:.85rem;color:var(--muted);padding:12px 18px;border-bottom:1px solid var(--line);background:var(--purple-soft)}
td{padding:13px 18px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
td:first-child{white-space:nowrap}
.muted-row td{color:var(--muted)}
.muted-row td:last-child{font-style:italic}

/* code */
.code{position:relative;background:var(--code-bg);color:var(--code-ink);border-radius:16px;margin:10px 0 20px;overflow:hidden}
.code-head{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid rgba(255,255,255,.08);font-size:.82rem;color:#B9ADCF}
.code-head .dots{display:flex;gap:6px}
.code-head .dots i{width:10px;height:10px;border-radius:50%;display:block}
pre{margin:0;padding:18px 20px;overflow-x:auto;font:400 .86rem/1.65 var(--mono)}
.k{color:#B69BE6}.s{color:#7BCED7}.num{color:#F7CC16}.lit{color:#FF6B8F}

.pills{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 18px}
.pill{font:500 .82rem var(--mono);padding:5px 11px;border-radius:999px;border:1px solid var(--line);background:var(--surface)}
.pill.bad{border-color:color-mix(in srgb,var(--red) 45%,transparent);color:var(--red-text)}

/* rules */
ol.rules{list-style:none;padding:0;margin:6px 0 10px}
ol.rules li{display:grid;grid-template-columns:2.2rem minmax(0,1fr);gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
ol.rules li:last-child{border-bottom:0}
ol.rules li::before{content:attr(data-n);font-weight:800;color:var(--purple-text);font-variant-numeric:tabular-nums;text-align:right}
.callout{border-left:4px solid var(--yellow);background:color-mix(in srgb,var(--yellow) 12%,var(--surface));padding:14px 18px;border-radius:0 12px 12px 0;margin:14px 0 6px;font-size:.96rem}

/* timeline */
.steps{list-style:none;margin:10px 0 0;padding:0;position:relative}
.steps::before{content:"";position:absolute;left:19px;top:20px;bottom:20px;width:3px;background:linear-gradient(var(--purple),var(--red),var(--cyan))}
.steps li{position:relative;display:grid;grid-template-columns:40px minmax(0,1fr);gap:18px;padding:10px 0 18px}
.steps .dot{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;position:relative;z-index:1;box-shadow:0 0 0 5px var(--bg)}
.steps li:nth-child(3n+1) .dot{background:var(--purple)}
.steps li:nth-child(3n+2) .dot{background:var(--red)}
.steps li:nth-child(3n+3) .dot{background:var(--cyan);color:#15292D}
.steps .step-title{display:block;font-size:1.05rem;margin-top:7px}
.steps p{margin:2px 0 0;color:var(--muted)}

/* test env */
.perf{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:16px 0}
.perf div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.perf b{display:block;font-size:2rem;font-weight:900;letter-spacing:-.03em;line-height:1.1}
.perf div:nth-child(1) b{color:var(--purple-text)}
.perf div:nth-child(2) b{color:var(--red-text)}
.perf span{color:var(--muted);font-size:.92rem}
.bar{height:12px;border-radius:999px;background:var(--purple-soft);position:relative;overflow:hidden;margin-top:12px}
.bar i{position:absolute;inset:0 auto 0 0;border-radius:999px}

/* needs */
.needs{display:grid;gap:12px;margin:10px 0 0;padding:0;list-style:none}
.needs li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:14px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.box{width:22px;height:22px;border-radius:7px;border:2.5px solid var(--purple-text);margin-top:2px}
.needs li:nth-child(4n+2) .box{border-color:var(--red)}
.needs li:nth-child(4n+3) .box{border-color:var(--cyan)}
.needs li:nth-child(4n+4) .box{border-color:var(--yellow)}

footer{border-top:1px solid var(--line);color:var(--muted);font-size:.88rem}
footer .inner{max-width:1180px;margin:0 auto;padding:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media print{
  nav.toc,.theme-btn{display:none}
  .shell{grid-template-columns:1fr}
  .hero{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  section{break-inside:avoid-page}
}

/* ========== Part 2: handbook components ========== */

/* ---------- Contents ---------- */
nav.toc a:not([data-n])::before{content:none}
nav.toc .lang{display:flex;gap:6px;margin-top:22px}
nav.toc .lang a,nav.toc .lang .current{display:inline-block;font:600 .85rem var(--sans);padding:5px 11px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);text-decoration:none;white-space:nowrap}
nav.toc .lang a::before{content:none}
nav.toc .lang a:hover{color:var(--ink);border-color:var(--purple-text)}
nav.toc .lang .current{background:var(--purple-soft);color:var(--ink);border-color:var(--purple-text)}
@media (min-width:761px){.edition-trainer .meta{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media (max-width:900px){nav.toc{min-width:0}}

/* ---------- Lists ---------- */
.steps li > div > p + p{margin-top:10px}
.steps li > div > p:first-child{margin-top:6px;color:var(--ink)}
ol.rules li > div > :last-child,.needs li > div > :last-child{margin-bottom:0}
.steps li li,ol.rules li li,.needs li li{display:list-item;padding:0;border:0;background:none;border-radius:0}
ol.rules li li::before{content:none}
.steps li ol,.steps li ul,ol.rules li ol,ol.rules li ul,.needs li ol,.needs li ul{padding-left:1.4em;margin:6px 0}
.callout > :last-child{margin-bottom:0}
.steps .callout p{margin:0;color:var(--ink)}
.steps .callout p + p{margin-top:14px}
main code{white-space:normal;overflow-wrap:anywhere}
h4{font-size:1.02rem;margin:24px 0 8px;font-weight:800}
@media (max-width:560px){main,.hero-inner{-webkit-hyphens:auto;hyphens:auto;-webkit-hyphenate-limit-before:4;-webkit-hyphenate-limit-after:4;hyphenate-limit-chars:6 4 4}main code{-webkit-hyphens:none;hyphens:none}h2{overflow-wrap:anywhere}}

/* ---------- Module header ---------- */
section > .pills{margin:-6px 0 20px}

/* ---------- Trainer-only content ---------- */
.trainer{border-left:4px solid var(--cyan);background:var(--surface);border-radius:0 12px 12px 0;padding:14px 18px;margin:12px 0}
.trainer > :last-child{margin-bottom:0}
.trainer-label{font-size:.78rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:0 0 6px}
.trainer-notes{border:1px solid var(--line);border-left:4px solid var(--cyan);border-radius:14px;padding:18px 22px;margin-top:36px}
.trainer-notes h3{margin-top:0}
.trainer-section{border-left:4px solid var(--cyan);padding-left:18px}
.exercise .steps .dot,.trainer .steps .dot{box-shadow:0 0 0 5px var(--surface)}

/* ---------- Figures ---------- */
figure{margin:14px 0 22px}
.shot a{display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface);cursor:zoom-in}
.shot img{display:block;width:100%;height:auto}
figcaption{color:var(--muted);font-size:.9rem;margin-top:8px}
.diagram{overflow-x:auto}
.diagram svg{display:block;width:100%;min-width:560px;height:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.dg-box{fill:var(--surface);stroke:var(--line);stroke-width:1.5}
.dg-box-accent{fill:var(--purple-soft);stroke:var(--purple-text);stroke-width:1.5}
.dg-text{fill:var(--ink);font:600 15px var(--sans)}
.dg-muted{fill:var(--muted);font:500 13px var(--sans)}
.dg-line{fill:none;stroke:var(--muted);stroke-width:1.5}
.dg-line-accent{fill:none;stroke:var(--red);stroke-width:2}
.dg-arrow{fill:var(--muted)}

/* ---------- Full-size view ---------- */
.lightbox{position:fixed;inset:0;z-index:50;background:var(--code-bg);display:grid;grid-template:minmax(0,1fr)/minmax(0,1fr);place-items:center;padding:64px 24px 24px}
.lightbox[hidden]{display:none}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;cursor:zoom-out}
.lightbox-close{position:fixed;top:16px;right:16px;font:600 .85rem var(--sans);background:none;border:1px solid rgba(255,255,255,.3);color:#EDE7F7;border-radius:999px;padding:7px 14px;cursor:pointer}
.lightbox-close:hover{border-color:#EDE7F7}

/* ---------- Exercise ---------- */
.exercise{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:18px 0}
.exercise-head{display:flex;justify-content:space-between;gap:12px;font-size:1.02rem;font-weight:800;margin:0 0 6px}
.exercise-head span:last-child{color:var(--muted);font-weight:600}
.exercise-part h5{font-size:.95rem;margin:16px 0 6px;font-weight:800}

/* ---------- Overview ---------- */
.days{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin:12px 0 24px}
.day-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;color:var(--ink);text-decoration:none}
.day-card:hover{border-color:var(--purple-text)}
.day-card b{display:block;font-size:2rem;font-weight:900;letter-spacing:-.03em;line-height:1.1;color:var(--purple-text)}
.day-card-level,.day-card-duration{display:block;color:var(--muted);font-size:.85rem;font-weight:600}
.day-card-title{display:block;font-weight:700;margin:4px 0}
.day-card-modules{list-style:none;margin:10px 0 0;padding:0;font-size:.9rem}
.day-card-modules li::before{content:attr(data-n);color:var(--purple-text);font-weight:800;display:inline-block;min-width:1.6rem}
.day-card-module-duration{color:var(--muted);font-size:.85rem}

/* ---------- Day navigation ---------- */
.daynav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:48px}
.daynav a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px;color:var(--ink);text-decoration:none}
.daynav a:hover{border-color:var(--purple-text)}
.daynav-next{grid-column:2;text-align:right}
.daynav span{display:block;color:var(--muted);font-size:.85rem;font-weight:600}
.daynav b{display:block;font-weight:800}
@media (max-width:560px){.daynav{grid-template-columns:1fr}.daynav-next{grid-column:1;text-align:left}}

/* ---------- Print ---------- */
@media print{
  nav.toc,.theme-btn,.lang,.lightbox,.daynav{display:none}
  :root,:root[data-theme="dark"],:root:not([data-theme="light"]){
    --bg:#FBFAFD; --surface:#FFFFFF; --ink:#22183A; --muted:#62587A; --line:#E7E1F0;
    --purple-text:#6A4A9E; --red-text:#C8184A; --purple-soft:#F2EDF9; --code-bg:#22183A; --code-ink:#EDE7F7;
    --hero-bg:#6A4A9E;
  }
  figure,.trainer:not(.trainer-notes){break-inside:avoid}
  .exercise-head,.trainer-notes h3,.exercise-part h5{break-after:avoid}
  .trainer,.trainer-section{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  main > section{break-inside:auto}
  h2,h3,h4,h5{break-after:avoid}
}