/* Metodyka projektowania gier komputerowych. Arkusz oparty na wspólnym site.css sieci Animacja, akcent własny (zieleń stołu). */

:root{
  --bg:#f4f1ea; --bg-raised:#ffffff; --ink:#1c1a17; --ink-soft:#55504a;
  --line:#ddd6c9; --mono:#6f695f; --accent-ink:#ffffff;
  --accent-l:#276b43; --accent-d:#6fcf97;
  --accent2-l:#b5501f; --accent2-d:#e08a4f;
  --accent:var(--accent-l); --accent-2:var(--accent2-l);
  --hdr-h:64px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#131211; --bg-raised:#1b1917; --ink:#efe9df; --ink-soft:#b4ab9d;
    --line:#34302a; --mono:#8a8276; --accent-ink:#131211;
    --accent:var(--accent-d); --accent-2:var(--accent2-d);
  }
}
:root[data-theme="light"]{color-scheme:light;}
:root[data-theme="dark"]{color-scheme:dark;}
:root[data-theme="dark"]{
  --bg:#131211; --bg-raised:#1b1917; --ink:#efe9df; --ink-soft:#b4ab9d;
  --line:#34302a; --mono:#8a8276; --accent-ink:#131211;
  --accent:var(--accent-d); --accent-2:var(--accent2-d);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Literata',Georgia,'Times New Roman',serif;
  font-size:17px; line-height:1.7; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%;}
[hidden]{display:none!important;}
h1,h2,h3,h4,.display{font-family:'Space Grotesk',system-ui,sans-serif;letter-spacing:-0.01em;line-height:1.15;margin:0;}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace;letter-spacing:0.02em;}
a{color:var(--accent);}
.wrap{max-width:760px;margin:0 auto;padding-inline:20px;}
.wrap--wide{max-width:1120px;}

/* tło */
.bg-fx{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 20%,color-mix(in srgb,var(--accent-2) 10%,transparent),transparent 60%),
    var(--bg);
}
.bg-fx::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(180deg,color-mix(in srgb,var(--ink) 3%,transparent) 0,transparent 1px,transparent 3px);
}
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:120;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .08s linear;}

/* ============ NAGŁÓWEK ============ */
header.site{
  position:sticky;top:0;z-index:100;
  padding-top:env(safe-area-inset-top,0px);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  border-bottom:1px solid var(--line);
}
.hdr{
  max-width:1120px;margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:auto 1fr auto;column-gap:20px;align-items:center;
}
.hdr-brand{
  display:flex;align-items:baseline;gap:8px;padding:14px 0;
  text-decoration:none;color:var(--ink);font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px;white-space:nowrap;
}
.hdr-brand small{font-family:'IBM Plex Mono',monospace;font-weight:400;font-size:11px;color:var(--mono);}
.hdr-menu{display:contents;}
.hdr-primary{display:flex;gap:6px;justify-content:flex-end;padding:10px 0;}
.hdr-primary a{
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;line-height:1;
  padding:10px 14px;border-radius:999px;text-decoration:none;color:var(--ink);
  border:1px solid var(--line);background:var(--bg-raised);white-space:nowrap;
  transition:transform .15s ease,border-color .15s ease,background .15s ease;
}
.hdr-primary a:hover{border-color:var(--accent);transform:translateY(-1px);}
.hdr-primary a[aria-current="true"]{color:var(--accent-ink);background:var(--accent);border-color:var(--accent);}
.hdr-tools{display:flex;align-items:center;gap:8px;}
.tool-btn{
  border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;
  height:30px;border-radius:999px;font-family:'IBM Plex Mono',monospace;font-size:12px;
  display:inline-flex;align-items:center;gap:6px;padding:0 10px;
}
.tool-btn:hover{border-color:var(--accent);}
.tool-btn.round{width:30px;padding:0;justify-content:center;font-size:14px;}
.burger{display:none;}

@media (max-width:1040px){
  .hdr{grid-template-columns:1fr auto;}
  .burger{display:inline-flex;}
  .hdr-menu{
    display:none;grid-column:1 / -1;flex-direction:column;gap:6px;
    padding:6px 0 16px;border-top:1px solid var(--line);
  }
  header.site.menu-open .hdr-menu{display:flex;}
  .hdr-primary{flex-direction:column;justify-content:flex-start;padding:10px 0 0;}
  .hdr-primary a{font-size:16px;padding:14px 18px;}
  .hdr-brand{padding:12px 0;}
}
@media (min-width:1041px) and (max-width:1160px){
  .hdr-primary a{padding:9px 11px;font-size:13px;}
  .hdr{column-gap:10px;}
  .hdr-brand small{display:none;}
}
@media (max-width:420px){.hdr-brand small{display:none;}}

/* ============ UKŁAD TREŚCI ============ */
section{padding:64px 0;scroll-margin-top:calc(var(--hdr-h) + 8px);}
section.tight{padding:36px 0;}
.rule{border:none;border-top:1px solid var(--line);margin:0;}
.kicker{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);display:inline-block;margin-bottom:20px;
}
.hero{padding:84px 0 56px;text-align:center;}
.hero h1{font-size:clamp(2.2rem,6vw,3.8rem);font-weight:700;}
.hero .lede{
  margin:22px auto 0;max-width:640px;font-style:italic;color:var(--ink-soft);
  font-size:clamp(1.05rem,2.4vw,1.3rem);
}
.hero-cta{margin-top:32px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.hero-cta--left{justify-content:flex-start;}
.btn{
  display:inline-block;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;
  padding:12px 26px;border-radius:999px;background:var(--accent);color:var(--accent-ink);text-decoration:none;
  border:1px solid var(--accent);
}
.btn:hover{filter:brightness(1.08);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--accent);filter:none;}
.section-title{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mono);display:block;margin-bottom:8px;
}
h2.big{font-size:clamp(1.6rem,4vw,2.3rem);margin-bottom:28px;}

/* kafelki */
.tiles{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));}
.tiles--3{grid-template-columns:repeat(3,1fr);}
@media (max-width:900px){.tiles--3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.tiles--3{grid-template-columns:1fr;}}
.tile{
  position:relative;display:flex;flex-direction:column;gap:10px;min-height:200px;padding:22px 20px;
  border:1px solid var(--line);border-radius:16px;background:var(--bg-raised);
  color:var(--ink);text-decoration:none;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.tile::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--accent);
  transform-origin:left;transform:scaleX(.25);transition:transform .35s cubic-bezier(.2,.75,.2,1);
}
.tile:hover{transform:translateY(-3px);border-color:var(--accent);}
.tile:hover::before{transform:scaleX(1);}
.tile .num{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:30px;color:var(--accent);line-height:1;}
.tile h3{font-size:1.25rem;}
.tile p{margin:0;font-size:15px;color:var(--ink-soft);line-height:1.55;flex:1;}
.tile .go{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);}
.tile .range{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--mono);}

/* kotwice sekcji */
.jump{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:40px;}
.jump a{
  font-family:'IBM Plex Mono',monospace;font-size:12px;padding:7px 14px;border:1px solid var(--line);
  border-radius:999px;color:var(--ink-soft);text-decoration:none;background:var(--bg-raised);
}
.jump a:hover{border-color:var(--accent);color:var(--accent);}

.band{background:var(--bg-raised);border-block:1px solid var(--line);}
.facts{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-top:28px;}
.fact{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--bg);}
.fact strong{display:block;font-family:'Space Grotesk',sans-serif;font-size:1.5rem;color:var(--accent);}
.fact span{font-size:14px;color:var(--ink-soft);}

/* najbliższy termin */
.next{
  margin:34px auto 0;max-width:640px;text-align:left;padding:16px 20px;border:1px solid var(--line);
  border-left:4px solid var(--accent);border-radius:12px;background:var(--bg-raised);
}
.next .next-label{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mono);display:block;}
.next .next-main{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;margin-top:6px;}
.next .next-date{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.5rem;color:var(--accent);}
.next .next-what{flex:1 1 260px;font-size:15.5px;line-height:1.5;}
.next .next-in{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--accent-2);white-space:nowrap;}
.next a.next-more{font-family:'IBM Plex Mono',monospace;font-size:12px;display:inline-block;margin-top:8px;}

/* ============ STRONY TREŚCI ============ */
.breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--mono);padding-top:28px;}
.breadcrumb a{color:var(--mono);text-decoration:none;}
.breadcrumb a:hover{color:var(--accent);}
.page-hero{padding:34px 0 28px;}
.page-hero h1{font-size:clamp(2rem,5.2vw,3.1rem);font-weight:700;}
.page-hero .lede{margin-top:18px;font-style:italic;color:var(--ink-soft);font-size:clamp(1.02rem,2.2vw,1.22rem);}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.badge{
  display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11.5px;
  color:var(--mono);border:1px solid var(--line);border-radius:999px;padding:2px 10px;
}
.badge--accent{color:var(--accent);border-color:var(--accent);}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;}
.chip{
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;padding:7px 14px;border:1px solid var(--line);
  border-radius:999px;background:var(--bg-raised);color:var(--ink-soft);
}
a.chip{text-decoration:none;transition:border-color .15s ease,color .15s ease;}
a.chip:hover{border-color:var(--accent);color:var(--accent);}

.doc{padding:8px 0 80px;}
.doc h2{
  display:flex;align-items:center;gap:14px;font-size:clamp(1.3rem,3.2vw,1.7rem);
  margin:52px 0 16px;scroll-margin-top:calc(var(--hdr-h) + 12px);
}
.doc h2 .sec-num{
  font-size:13px;font-weight:700;color:var(--accent-ink);background:var(--accent);
  width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.doc h3{font-size:1.1rem;margin:28px 0 8px;scroll-margin-top:calc(var(--hdr-h) + 12px);}
.doc p{margin:0 0 16px;}
.doc ul,.doc ol{margin:0 0 18px;padding-left:22px;}
.doc li{margin-bottom:6px;}
.doc li>ul,.doc li>ol{margin:6px 0 4px;}
.doc code,.mono-code{
  font-family:'IBM Plex Mono',monospace;font-size:.88em;padding:1px 6px;border-radius:5px;
  background:color-mix(in srgb,var(--ink) 7%,transparent);
}
.doc blockquote{margin:22px 0;padding-left:18px;border-left:2px solid var(--line);color:var(--ink-soft);}
.doc blockquote cite{display:block;font-style:normal;font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--mono);margin-top:6px;}
.doc .toc-chips{margin:0 0 28px;}
.doc kbd{
  font-family:'IBM Plex Mono',monospace;font-size:.85em;padding:1px 7px;border:1px solid var(--line);
  border-bottom-width:2px;border-radius:5px;background:var(--bg-raised);
}

.spec{border:1px solid var(--line);border-radius:12px;background:var(--bg-raised);padding:6px 18px;margin:22px 0;}
.spec div{display:flex;gap:14px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:15.5px;}
.spec div:last-child{border-bottom:none;}
.spec dt{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-2);flex:0 0 120px;padding-top:3px;font-weight:500;}
.spec dd{margin:0;}

.callout{
  border-left:3px solid var(--accent-2);background:color-mix(in srgb,var(--accent-2) 8%,var(--bg-raised));
  border-radius:0 10px 10px 0;padding:16px 20px;margin:24px 0;
}
.callout--warn{border-left-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--bg-raised));}
.callout__tag{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-2);display:block;margin-bottom:6px;}
.callout--warn .callout__tag{color:var(--accent);}
.doc .callout p,.callout p{margin:0;font-size:15.5px;}
.doc .callout p+p{margin-top:8px;}
.doc .callout strong{font-family:'Space Grotesk',sans-serif;font-weight:600;}

/* miejsce na dane, których jeszcze nie ma */
.tbd{
  font-family:'IBM Plex Mono',monospace;font-size:.82em;padding:2px 9px;border:1px dashed var(--accent-2);
  border-radius:999px;color:var(--accent-2);white-space:nowrap;
}

/* tabele */
.table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:12px;background:var(--bg-raised);}
.table-wrap table{border-collapse:collapse;width:100%;font-size:15px;}
.table-wrap th{
  text-align:left;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent-2);font-weight:500;padding:12px 16px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.table-wrap td{padding:10px 16px;border-bottom:1px dashed var(--line);vertical-align:top;}
.table-wrap tr:last-child td{border-bottom:none;}

/* harmonogram */
.table-wrap tr.is-past td{opacity:.5;}
.table-wrap tr.is-next td{background:color-mix(in srgb,var(--accent) 10%,transparent);}
.table-wrap tr.is-next td:first-child{box-shadow:inset 4px 0 0 var(--accent);}
.table-wrap td.date{font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--accent);white-space:normal;width:104px;}
@media (max-width:640px){
  .table-wrap th,.table-wrap td{padding:10px 12px;}
  .table-wrap td.date{width:68px;}
}
.tag{
  display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.04em;
  padding:1px 8px;border-radius:999px;border:1px solid var(--line);color:var(--mono);margin-right:6px;white-space:nowrap;
}
.tag--z1{color:var(--accent-2);border-color:var(--accent-2);}
.tag--z2{color:var(--accent);border-color:var(--accent);}

/* listy kontrolne */
.doc ul.checklist{list-style:none;padding-left:0;border:1px solid var(--line);border-radius:12px;background:var(--bg-raised);padding:8px 18px;}
.checklist li{margin:0;border-bottom:1px dashed var(--line);}
.checklist li:last-child{border-bottom:none;}
.checklist label{display:flex;gap:12px;padding:10px 0;cursor:pointer;align-items:flex-start;}
.checklist input{accent-color:var(--accent);width:18px;height:18px;margin-top:.35em;flex:0 0 auto;}
.checklist input:checked+span{color:var(--ink-soft);text-decoration:line-through;text-decoration-color:var(--line);}
.check-note{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--mono);margin:-8px 0 18px;}

/* lista wykładów */
.lesson-list{display:flex;flex-direction:column;border-top:1px solid var(--line);margin-top:8px;}
.lesson-row{
  display:flex;gap:16px;align-items:baseline;padding:16px 4px;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--ink);transition:background .15s ease;
}
a.lesson-row:hover{background:color-mix(in srgb,var(--accent) 7%,transparent);}
.lesson-row .ln{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:20px;color:var(--accent);width:36px;flex:0 0 auto;}
.lesson-row .lb{flex:1;}
.lesson-row .lt{display:block;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.05rem;line-height:1.3;}
.lesson-row .le{display:block;font-size:14px;color:var(--ink-soft);margin-top:2px;}
.lesson-row .ls{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--accent);white-space:nowrap;}

.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:64px;}
.lesson-nav a{
  display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:12px;
  background:var(--bg-raised);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s;
}
.lesson-nav a:hover{border-color:var(--accent);transform:translateY(-2px);}
.lesson-nav .dir{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--mono);}
.lesson-nav b{font-family:'Space Grotesk',sans-serif;font-size:15px;line-height:1.3;}
.lesson-nav .next-l{text-align:right;grid-column:2;}

/* karty linków (filmy, źródła) */
.link-list{display:flex;flex-direction:column;gap:8px;margin:20px 0;}
.link-card{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  background:var(--bg-raised);text-decoration:none;color:var(--ink);transition:border-color .15s ease;
}
.link-card:hover{border-color:var(--accent);}
.link-card .ico{
  width:32px;height:32px;border-radius:8px;flex:0 0 auto;
  background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-size:13px;
}
.link-card .lc-t{display:block;font-size:14px;font-weight:600;line-height:1.3;}
.link-card .lc-s{display:block;font-size:12.5px;color:var(--mono);margin-top:2px;line-height:1.4;}

/* stopka */
footer.site-foot{padding:44px 0 calc(44px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);text-align:center;}
footer.site-foot .mono{font-size:12px;color:var(--mono);margin:0 0 8px;}
footer.site-foot .mono a{color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--line);}
footer.site-foot .mono a:hover{color:var(--accent);border-bottom-color:var(--accent);}
footer.site-foot nav{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;margin-bottom:18px;}
footer.site-foot nav a{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-soft);text-decoration:none;}
footer.site-foot nav a:hover{color:var(--accent);}

.to-top-fab{
  position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));width:42px;height:42px;border-radius:50%;
  background:var(--bg-raised);border:1px solid var(--line);color:var(--ink);display:flex;align-items:center;justify-content:center;
  text-decoration:none;opacity:0;pointer-events:none;transition:opacity .2s;z-index:60;font-size:16px;
}
.to-top-fab.show{opacity:1;pointer-events:auto;}
@keyframes fabPulse{0%{transform:scale(1)}25%{transform:scale(1.3)}50%{transform:scale(1)}75%{transform:scale(.7)}100%{transform:scale(1)}}
.to-top-fab.show:hover{animation:fabPulse 1.2s ease-in-out infinite;}

#tearFx{position:fixed;inset:0;z-index:90;pointer-events:none;}
@media (pointer:coarse){#tearFx{display:none;}}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .to-top-fab.show:hover{animation:none;}
  .tile,.tile::before,.hdr-primary a,.lesson-nav a{transition:none;}
}
@media (max-width:640px){
  body{font-size:16.5px;}
  .hero{padding:56px 0 40px;}
  .spec div{flex-direction:column;gap:2px;}
  .spec dt{flex:none;}
  .lesson-row{flex-wrap:wrap;}
  .lesson-row .ls{flex-basis:100%;padding-left:52px;}
  .lesson-nav{grid-template-columns:1fr;}
  .lesson-nav .next-l{grid-column:auto;}
  .doc h2{margin-top:44px;}
}