:root {
  --bg: #0f1214;
  --bg-2: #161b1e;
  --bg-3: #1d2428;
  --ink: #e6ebe8;
  --muted: #9aa6a1;
  --rule: #2a3337;
  --accent: #8fc46a;
  --accent-ink: #0f1214;
  --violet: #b48cff;  --teal: #4fc3c4;  --ir: #ff7f6a;  --zone: #3ddc97;
  --warn: #e0b04a;
  --code-bg: #12171a;
  --shadow: 0 1px 0 rgba(255,255,255,.03);
  --f-body: "IBM Plex Sans", system-ui, sans-serif;
  --f-disp: "Barlow Condensed", "IBM Plex Sans", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
}
:root[data-theme="light"] {
  --bg: #f6f5f1;
  --bg-2: #ecebe5;
  --bg-3: #e2e1da;
  --ink: #1b2124;
  --muted: #5d6865;
  --rule: #d2d0c8;
  --accent: #4f7d2e;
  --accent-ink: #ffffff;
  --violet: #6a3fb8; --teal: #1f7f84; --ir: #b83a2a; --zone: #0a6f4a;
  --warn: #9a6b00;
  --code-bg: #fbfaf7;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f5f1; --bg-2: #ecebe5; --bg-3: #e2e1da; --ink: #1b2124; --muted: #5d6865;
    --rule: #d2d0c8; --accent: #4f7d2e; --accent-ink: #ffffff; --violet: #6a3fb8; --teal: #1f7f84; --ir: #b83a2a; --zone: #0a6f4a; --warn: #9a6b00; --code-bg: #fbfaf7;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 16px/1.65 var(--f-body); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- top bar ---------- */
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 24px; height: 58px; padding: 0 20px;
  background: var(--bg-2); border-bottom: 1px solid var(--rule); }
.brand { font: 700 22px/1 var(--f-disp); letter-spacing: .06em; color: var(--ink); white-space: nowrap; }
.brand span { color: var(--accent); }
.tabs { display: flex; gap: 4px; height: 100%; }
.tabs a { display: flex; align-items: center; padding: 0 14px; color: var(--muted); font: 600 15px/1 var(--f-disp);
  letter-spacing: .08em; text-transform: uppercase; border-bottom: 3px solid transparent; }
.tabs a:hover { color: var(--ink); text-decoration: none; }
.tabs a.on { color: var(--ink); border-bottom-color: var(--accent); }
.tabs a.scifi.on { border-bottom-color: var(--violet); } .tabs a.rim116.on { border-bottom-color: var(--teal); } .tabs a.soflam.on { border-bottom-color: var(--ir); } .tabs a.safezone.on { border-bottom-color: var(--zone); }
.top .spacer { flex: 1; }
.theme { background: none; border: 1px solid var(--rule); color: var(--muted); border-radius: 6px; padding: 6px 10px; cursor: pointer;
  font: 500 13px var(--f-body); }
.menu-btn { display: none; background: none; border: 1px solid var(--rule); color: var(--ink); border-radius: 6px; padding: 6px 10px; }

/* ---------- layout ---------- */
.wrap { display: grid; grid-template-columns: 260px minmax(0, 1fr) 220px; max-width: 1400px; margin: 0 auto; }
.side { position: sticky; top: 58px; height: calc(100vh - 58px); overflow-y: auto; padding: 24px 16px 40px 20px; border-right: 1px solid var(--rule); }
.side h4 { margin: 18px 0 6px; font: 600 12px/1 var(--f-disp); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.side a { display: block; padding: 6px 10px; border-radius: 6px; color: var(--ink); font-size: 15px; }
.side a:hover { background: var(--bg-3); text-decoration: none; }
.side a.on { background: var(--bg-3); color: var(--accent); font-weight: 600; }
.scifi-page .side a.on { color: var(--violet); } .rim116-page .side a.on { color: var(--teal); } .soflam-page .side a.on { color: var(--ir); } .safezone-page .side a.on { color: var(--zone); }
main { padding: 32px 48px 80px; min-width: 0; }
.toc { position: sticky; top: 58px; height: calc(100vh - 58px); overflow-y: auto; padding: 32px 16px; font-size: 14px; }
.toc h4 { margin: 0 0 8px; font: 600 12px/1 var(--f-disp); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.toc a { display: block; padding: 3px 0; color: var(--muted); }
.toc a:hover { color: var(--ink); }

/* ---------- content ---------- */
.eyebrow { font: 600 13px/1 var(--f-disp); letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }
.scifi-page .eyebrow { color: var(--violet); } .rim116-page .eyebrow { color: var(--teal); } .soflam-page .eyebrow { color: var(--ir); } .safezone-page .eyebrow { color: var(--zone); }
h1 { font: 700 44px/1.05 var(--f-disp); letter-spacing: .02em; margin: 0 0 14px; }
h2 { font: 700 28px/1.15 var(--f-disp); letter-spacing: .02em; margin: 44px 0 10px; padding-top: 10px; border-top: 1px solid var(--rule); }
h3 { font: 600 20px/1.25 var(--f-disp); letter-spacing: .03em; margin: 28px 0 6px; }
.lede { font-size: 18px; color: var(--muted); max-width: 72ch; }
p, li { max-width: 78ch; }
code { font: 14px/1.5 var(--f-mono); background: var(--bg-3); padding: 1px 5px; border-radius: 4px; }
pre { position: relative; margin: 14px 0 20px; background: var(--code-bg); border: 1px solid var(--rule); border-radius: 8px; overflow-x: auto; }
pre code { display: block; padding: 16px 18px; background: none; font-size: 13.5px; line-height: 1.6; }
.hljs { background: none !important; }
.copy { position: absolute; top: 8px; right: 8px; background: var(--bg-3); color: var(--muted); border: 1px solid var(--rule);
  border-radius: 5px; font: 500 12px var(--f-body); padding: 3px 8px; cursor: pointer; opacity: 0; transition: opacity .15s; }
pre:hover .copy { opacity: 1; }
.file { font: 12px var(--f-mono); color: var(--muted); margin: 18px 0 -8px; }
.note, .pit { border-left: 3px solid var(--accent); background: var(--bg-2); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 18px 0; max-width: 80ch; }
.pit { border-left-color: var(--warn); }
.note b, .pit b { font: 600 13px/1 var(--f-disp); letter-spacing: .14em; text-transform: uppercase; display: block; margin-bottom: 6px; }
.pit b { color: var(--warn); }
.note b { color: var(--accent); }
table { border-collapse: collapse; margin: 14px 0 20px; font-size: 15px; }
th, td { text-align: left; padding: 8px 14px 8px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font: 600 13px var(--f-disp); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 22px 0; }
.card { display: block; padding: 16px 18px; background: var(--bg-2); border: 1px solid var(--rule); border-radius: 10px; color: var(--ink); }
.card:hover { border-color: var(--accent); text-decoration: none; }
.card.scifi:hover { border-color: var(--violet); } .card.rim116:hover { border-color: var(--teal); } .card.soflam:hover { border-color: var(--ir); } .card.safezone:hover { border-color: var(--zone); }
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 16px 0; font: 600 14px var(--f-disp); letter-spacing: .06em; }
.flow span { padding: 7px 12px; border: 1px solid var(--rule); border-radius: 6px; background: var(--bg-2); }
.flow i { color: var(--muted); font-style: normal; }
footer { margin-top: 60px; padding-top: 16px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 13px; }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; }
.pager a { flex: 1; padding: 14px 16px; border: 1px solid var(--rule); border-radius: 8px; color: var(--ink); }
.pager a:hover { border-color: var(--accent); text-decoration: none; }
.pager small { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.pager .next { text-align: right; }

@media (max-width: 1150px) { .wrap { grid-template-columns: 240px minmax(0, 1fr); } .toc { display: none; } }
@media (max-width: 820px) {
  .wrap { grid-template-columns: minmax(0, 1fr); }
  .side { position: fixed; top: 58px; left: 0; width: 280px; background: var(--bg-2); z-index: 15; transform: translateX(-100%); transition: transform .2s; }
  body.nav-open .side { transform: none; }
  .menu-btn { display: block; }
  main { padding: 24px 16px 60px; }
  h1 { font-size: 34px; }
  .tabs a { padding: 0 8px; font-size: 13px; }
  .brand { font-size: 18px; }
}
@media (max-width: 520px) { .tabs { display: none; } }
.pdf { border: 1px solid var(--accent); color: var(--accent); border-radius: 6px; padding: 6px 12px; font: 600 13px var(--f-body); white-space: nowrap; }
.pdf:hover { background: var(--accent); color: var(--accent-ink); text-decoration: none; }
@media (max-width: 520px) { .pdf { padding: 5px 8px; font-size: 12px; } }
pre, code { tab-size: 4; -moz-tab-size: 4; }
.top { min-width: 0; overflow: hidden; }
@media (max-width: 520px) { .top { gap: 10px; padding: 0 12px; } .pdf span { display: none; } }

/* code colours (follow the theme toggle, not only the OS setting) */
:root { --c-kw: #ff7b72; --c-type: #79c0ff; --c-str: #a5d6ff; --c-num: #79c0ff; --c-com: #8b949e; --c-fn: #d2a8ff; --c-meta: #ffa657; }
:root[data-theme="light"] { --c-kw: #cf222e; --c-type: #0550ae; --c-str: #0a3069; --c-num: #0550ae; --c-com: #6e7781; --c-fn: #8250df; --c-meta: #953800; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) { --c-kw: #cf222e; --c-type: #0550ae; --c-str: #0a3069; --c-num: #0550ae; --c-com: #6e7781; --c-fn: #8250df; --c-meta: #953800; }
}
.hljs { color: var(--ink); background: none; }
.hljs-keyword, .hljs-built_in, .hljs-literal { color: var(--c-kw); }
.hljs-type, .hljs-class .hljs-title, .hljs-title.class_ { color: var(--c-type); }
.hljs-string { color: var(--c-str); }
.hljs-number { color: var(--c-num); }
.hljs-comment { color: var(--c-com); font-style: italic; }
.hljs-title, .hljs-title.function_ { color: var(--c-fn); }
.hljs-meta, .hljs-attr, .hljs-attribute { color: var(--c-meta); }
@media (hover: none) { .copy { opacity: 1; } }

/* light / dark switch */
.theme-switch { display: inline-flex; border: 1px solid var(--rule); border-radius: 8px; padding: 2px; background: var(--bg); }
.theme-switch button { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; color: var(--muted);
  font: 500 13px var(--f-body); padding: 5px 10px; border-radius: 6px; cursor: pointer; line-height: 1; }
.theme-switch button:hover { color: var(--ink); }
.theme-switch button.on { background: var(--bg-3); color: var(--ink); box-shadow: inset 0 0 0 1px var(--rule); }
.theme-switch button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
@media (max-width: 700px) { .theme-switch span { display: none; } .theme-switch button { padding: 6px 8px; } }

/* usage notices */
.usage { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; margin: 0 0 22px; padding: 9px 14px;
  border: 1px solid var(--rule); border-radius: 8px; background: var(--bg-2); font-size: 12.5px; color: var(--muted); }
.usage span::before { content: "\25C6"; color: var(--warn); font-size: 9px; margin-right: 7px; position: relative; top: -1px; }
.usage .lic { margin-left: auto; font-weight: 600; }
.codehead { display: flex; justify-content: space-between; gap: 12px; margin: 18px 0 -10px; font: 12px var(--f-mono); color: var(--muted); }
.codehead .free { color: var(--accent); font: 600 11px var(--f-disp); letter-spacing: .14em; text-transform: uppercase; }
.codehead .fname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 700px) { .usage .lic { margin-left: 0; } }

/* figures */
.fig { margin: 18px 0 24px; }
.fig img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); border-radius: 8px; cursor: zoom-in; background: var(--bg-2); }
.fig figcaption { margin-top: 8px; color: var(--muted); font-size: 14px; }
.only-dark { display: none !important; }
:root[data-theme="dark"] .only-dark { display: block !important; }
:root[data-theme="dark"] .only-light { display: none !important; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .only-dark { display: block !important; }
  :root:not([data-theme="light"]) .only-light { display: none !important; }
}
.lightbox { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px;
  background: rgba(0, 0, 0, .88); cursor: zoom-out; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 6px; }

/* start page: three projects, no sidebar */
.home-page .wrap { grid-template-columns: minmax(0, 1fr); max-width: 1040px; }
.home-page .side, .home-page .toc, .home-page .menu-btn { display: none; }
.projects { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 18px; }
.projects .card { padding: 20px 22px; display: flex; flex-direction: column; }
.projects .card h3 { font-size: 24px; }
.projects .card p { flex: 1; font-size: 15px; line-height: 1.55; }
.card .more { display: block; margin-top: 16px; color: var(--accent); font: 600 13px var(--f-disp); letter-spacing: .12em; text-transform: uppercase; }
.card.scifi .more { color: var(--violet); }
.card.rim116 .more { color: var(--teal); }
.card.soflam .more { color: var(--ir); }
.card.safezone .more { color: var(--zone); }
@media print { .fig img { break-inside: avoid; } }

/* fonts: self-hosted (SIL Open Font License), latin subset - nothing is loaded from third-party servers */
@font-face { font-family: "Barlow Condensed"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/BarlowCondensed-500.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-style: normal; font-weight: 600; font-display: swap; src: url("fonts/BarlowCondensed-600.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-style: normal; font-weight: 700; font-display: swap; src: url("fonts/BarlowCondensed-700.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/IBMPlexMono-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/IBMPlexMono-500.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400 600; font-display: swap; src: url("fonts/IBMPlexSans-var.woff2") format("woff2"); }

/* Aenderungs-Markierungen (bis zur naechsten Aenderung) */
.mark { display: inline-block; margin-left: .5em; padding: 2px 7px; border-radius: 4px; vertical-align: middle;
  font: 700 10px/1.3 var(--f-disp); letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
.mark.new { background: var(--accent); color: var(--accent-ink); }
.mark.changed { background: transparent; color: var(--warn); box-shadow: inset 0 0 0 1px var(--warn); }
h1 .mark { font-size: 12px; position: relative; top: -.35em; }
.side a .mark, .toc a .mark { margin-left: .4em; padding: 1px 5px; font-size: 9px; }

/* Workshop-Link: Button auf der Reiter-Startseite, Liste auf der Doku-Startseite. Farbe folgt dem Reiter (--wc). */
.workshop-row { margin: 4px 0 6px; }
.workshop { --wc: var(--accent); display: inline-block; padding: 9px 18px; border: 1px solid var(--wc); border-radius: 8px; color: var(--wc);
  font: 600 14px/1.2 var(--f-disp); letter-spacing: .1em; text-transform: uppercase; }
.workshop:hover { background: var(--wc); color: var(--accent-ink); text-decoration: none; }
.workshop:focus-visible { outline: 2px solid var(--wc); outline-offset: 2px; }
.scifi-page .workshop { --wc: var(--violet); } .rim116-page .workshop { --wc: var(--teal); }
.soflam-page .workshop { --wc: var(--ir); } .safezone-page .workshop { --wc: var(--zone); }
.workshop-list { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; margin: 8px 0 0; padding: 0; }
.workshop-list li { max-width: none; }

/* Rueckweg zur Startseite seebie90gaming.com (links in der Kopfzeile) */
.homelink { color: var(--muted); font: 600 14px/1 var(--f-disp); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; padding: 6px 10px; border: 1px solid var(--rule); border-radius: 6px; }
.homelink:hover { color: var(--ink); border-color: var(--accent); text-decoration: none; }
@media (max-width: 760px) { .homelink { padding: 6px 8px; } }

/* Ko-fi-Kachel auf der Startseite: volle Breite, groessere Schrift */
.cards.support { grid-template-columns: 1fr; }
.cards.support .card { padding: 26px 30px; }
.cards.support .card h3 { font-size: 30px; margin-bottom: 10px; }
.cards.support .card p { max-width: none; font-size: 18px; line-height: 1.6; }
.cards.support .card .more { font-size: 16px; margin-top: 20px; }

/* Code example tool bar: thumbs next to Copy; "Was this helpful?" under each section */
.pretools { position: absolute; top: 8px; right: 8px; display: flex; align-items: center; gap: 6px; opacity: 0; transition: opacity .15s; }
pre:hover .pretools, .pretools:focus-within, .pretools.keep { opacity: 1; }
.pretools .copy { position: static; opacity: 1; }
.fb-btn { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 26px; padding: 0; background: var(--bg-3); color: var(--muted);
  border: 1px solid var(--rule); border-radius: 5px; cursor: pointer; }
.fb-btn:hover { color: var(--ink); border-color: var(--accent); }
.fb-btn.on { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.fb-down svg { transform: rotate(180deg); }
.fb-status { font: 12px var(--f-body); color: var(--muted); }
.fb-status-code { max-width: 14em; text-align: right; }
.fb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 26px 0 6px; padding-top: 12px; border-top: 1px solid var(--rule); max-width: 80ch; }
.fb .fb-q { color: var(--muted); font-size: 14px; margin-right: 4px; }
@media (hover: none) { .pretools { opacity: 1; } }

/* ---------- Code-Regen im Hintergrund (coderain.js) ---------- */
body { background: transparent; }		/* die Farbe steckt in html; so scheint das Canvas (z-index -1) durch */
.coderain { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; opacity: .7;
  -webkit-mask-image: linear-gradient(90deg, #000 0, rgba(0,0,0,.5) 22%, rgba(0,0,0,.28) 50%, rgba(0,0,0,.5) 78%, #000 100%);
          mask-image: linear-gradient(90deg, #000 0, rgba(0,0,0,.5) 22%, rgba(0,0,0,.28) 50%, rgba(0,0,0,.5) 78%, #000 100%); }
:root[data-theme="light"] .coderain { opacity: .6; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .coderain { opacity: .6; } }
.rain-toggle { margin-top: 8px; padding: 3px 10px; background: transparent; color: var(--muted); border: 1px solid var(--rule); border-radius: 12px; font: inherit; font-size: 12px; cursor: pointer; }
.rain-toggle:hover { color: var(--accent); border-color: var(--accent); }
@media print { .coderain, .rain-toggle { display: none !important; } }