/* Back-to-top button (injected by initScrollTop in /assets/js/main.js).
   Colours: #242424 = header/topbar background (--bg-2, dark theme),
   #17936a = brand green used by .btn (--green). Fixed values so the
   button reads the same in light and dark themes.
   Sits stacked above the .chat-fab (right:18px; bottom:22px; 58px). */
.scroll-top{
  position:fixed;
  right:23px;               /* centred over the 58px chat button */
  bottom:92px;              /* 22px + 58px chat button + 12px gap */
  z-index:41;               /* above content, sidebar (35) and topbar (40) */
  width:48px;
  height:48px;
  margin:0;
  padding:0;
  display:flex;
  align-items:center;
  justify-content:center;
  border:2px solid #17936a;
  border-radius:50%;
  background:#242424;
  color:#fff;
  cursor:pointer;
  box-shadow:0 4px 14px rgba(0,0,0,.35);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s,background-color .15s ease,color .15s ease;
  -webkit-tap-highlight-color:transparent;
}
.scroll-top.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
  transition:opacity .2s ease,transform .2s ease,visibility 0s linear 0s,background-color .15s ease,color .15s ease;
}
.scroll-top svg{
  width:22px;
  height:22px;
  display:block;
  pointer-events:none;
}
.scroll-top:hover,
.scroll-top:focus-visible{
  background:#17936a;
  color:#242424;
}
.scroll-top:focus{outline:none}
.scroll-top:focus-visible{
  outline:3px solid #2fdc9c;
  outline-offset:3px;
  border-radius:50%;
}
@media (max-width:767px){
  .scroll-top{
    right:25px;
    bottom:90px;
    width:44px;
    height:44px;
    min-width:44px;
    min-height:44px;
  }
  .scroll-top svg{width:20px;height:20px}
}
@media (prefers-reduced-motion:reduce){
  .scroll-top,
  .scroll-top.is-visible{transition:none}
  .scroll-top{transform:none}
}
@media print{
  .scroll-top{display:none}
}

/* Lobby artwork tiles (rendered by renderCat in /assets/js/main.js).
   Exclusive games: /assets/exclusive/*.webp (348x462).
   Providers: /assets/img/provider-*.png (348x462), sports: /assets/img/sport-*.png (1068x462).
   The artwork already shows the provider/game name, so the text spans are kept
   for screen readers only. Providers without artwork keep the text tile. */
.grid-art .tile,.grid-art .tile-provider{aspect-ratio:348/462}
/* Text tiles (no artwork) next to provider art: match the art's frame (opaque from y=34 to y=457 of 462). */
.grid-art .tile-provider:not(.tile-art){aspect-ratio:348/423;margin:9.8% 0 1.4%}
.grid.grid-wide{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.grid-wide .tile-provider{aspect-ratio:1068/462}
.tile.tile-art{padding:0;border:0;background:none;box-shadow:none;transition:transform .15s ease,filter .15s ease}
.tile.tile-art::before{display:none}
.tile.tile-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block;border-radius:inherit}
.tile.tile-art .prov,.tile.tile-art .name,.tile.tile-art .rtp{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.tile.tile-art:hover{transform:translateY(-3px);box-shadow:none;filter:drop-shadow(0 6px 14px rgba(0,0,0,.45)) brightness(1.06)}
.tile.tile-art:focus-visible{outline:3px solid #2fdc9c;outline-offset:2px}
@media (max-width:560px){.grid.grid-wide{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- Side navigation (#nav .sidebar) ----------
   Desktop: full (245px) / icons only (html.side-mini, 72px) / hidden (html.side-hidden).
   Mobile (<=960px): off-canvas drawer; side-mini and side-hidden are ignored. */
.sidebar{overscroll-behavior:contain;scrollbar-color:var(--line) transparent}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}

/* Rows */
.side-link,.side-nav summary{position:relative;transition:background-color .15s,color .15s}
.side-nav summary{padding-right:14px}
.side-nav summary a{min-height:28px}
.side-nav .chev{flex:none;width:26px;height:26px;padding:3px;border-radius:6px;margin-right:-4px}
.side-nav summary:hover .chev{background:var(--card-2)}
.side-nav details[open] > summary{background:var(--card)}
.side-nav details[open] > summary .label{color:var(--green-hi)}
.side-link:hover .label,.side-nav summary:hover .label{color:var(--green-hi)}

/* Provider sub-menu */
.side-sub{position:relative;margin:0;padding:.35rem 10px .7rem 34px;background:var(--bg-3)}
.side-sub::before{content:"";position:absolute;left:33px;top:.5rem;bottom:.9rem;width:1px;background:var(--line)}
.side-sub a{position:relative;padding:.38rem .7rem .38rem 1.05rem;border-radius:6px;font-size:.84rem;line-height:1.25;transition:background-color .15s,color .15s}
.side-sub a::before{content:"";position:absolute;left:-1px;top:50%;width:.55rem;height:1px;background:var(--line)}
.side-sub a:hover{background:var(--card);color:var(--text)}
.side-sub a:hover::before{background:var(--green-hi)}

/* Keyboard focus */
.side-link:focus-visible,.side-nav summary:focus-visible,.side-nav summary a:focus-visible,.side-sub a:focus-visible{outline:2px solid #2fdc9c;outline-offset:-2px;border-radius:4px}
.side-toggle:focus-visible,.menu-toggle:focus-visible{outline:2px solid #2fdc9c;outline-offset:2px}
.side-toggle:hover{background:var(--line)}

@media (min-width:961px){
  /* Menu button on desktop = hide / show the sidebar */
  .menu-toggle{display:grid;place-items:center;flex:none;width:38px;height:38px;margin-left:8px;padding:0;border-radius:8px}
  .menu-toggle:hover{background:var(--card-2)}
  .menu-toggle .ico{width:1.35rem;height:1.35rem}
  .topbar .partner{width:calc(var(--side) - 46px);padding-left:8px}

  .sidebar{transition:width .2s ease,transform .25s ease,visibility .25s}
  .shell{transition:margin-left .2s ease}

  /* Icons only */
  html.side-mini .side-nav summary a{flex:0 0 auto}
  html.side-mini .side-nav summary{padding:.6rem 0}
  html.side-mini .side-nav details[open] > summary{background:none}
  html.side-mini .side-link:hover,html.side-mini .side-nav summary:hover{background:var(--card)}

  /* Hidden */
  html.side-hidden .sidebar{transform:translateX(-100%);visibility:hidden;box-shadow:none}
  html.side-hidden .shell{margin-left:0}
  html.side-hidden .side-toggle{display:none}
}

@media (max-width:960px){
  .menu-toggle{display:grid;place-items:center;width:40px;height:40px;padding:0;margin-left:6px;border-radius:8px}
  .menu-toggle .ico{width:1.4rem;height:1.4rem}
  .sidebar{visibility:hidden;transition:transform .25s,visibility .25s}
  .sidebar.open{visibility:visible}
  /* Undo the desktop icon-only layout inside the drawer */
  html.side-mini .side-link,html.side-mini .side-nav summary{justify-content:flex-start;padding:.6rem 14px .6rem 22px}
  html.side-mini .theme-row{justify-content:flex-start;padding:.9rem 22px}
  html.side-mini .side-sub{display:block}
  html.side-mini .side-label{display:block}
  html.drawer-open{overflow:hidden}
}

/* ---------- 404 page (/404.html, main.nf) ---------- */
.nf{padding:2rem 24px 3.5rem;max-width:1185px;width:100%;margin:0 auto}
.nf-hero{position:relative;overflow:hidden;text-align:center;padding:3rem 1.5rem 2.75rem;border:1px solid var(--line);border-radius:var(--r);
  background:radial-gradient(60% 90% at 50% 0%,rgba(47,220,156,.18),transparent 70%),linear-gradient(180deg,var(--green-deep),var(--card) 75%)}
/* faint pitch markings */
.nf-pitch{position:absolute;inset:0;pointer-events:none;opacity:.10;
  background:radial-gradient(circle at 50% 50%,transparent 0 92px,var(--text) 93px 95px,transparent 96px),linear-gradient(90deg,transparent calc(50% - 1px),var(--text) calc(50% - 1px) calc(50% + 1px),transparent calc(50% + 1px))}
.nf-hero > *{position:relative}
.nf-code{display:flex;align-items:center;justify-content:center;gap:clamp(.25rem,1.5vw,.9rem);margin:0 0 1.1rem;line-height:1}
.nf-digit{font-size:clamp(5.5rem,17vw,10rem);font-weight:900;font-style:italic;letter-spacing:-.02em;
  background:linear-gradient(180deg,#fff 10%,var(--green-hi) 95%);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 10px 40px rgba(47,220,156,.25)}
html[data-theme="light"] .nf-digit{background-image:linear-gradient(180deg,#1d1f22 10%,#12865f 95%)}
.nf-ball{display:grid;place-items:center;width:clamp(4.6rem,14vw,8.4rem);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#3a3a3a,#1b1b1b 70%);box-shadow:inset 0 0 0 clamp(5px,1.1vw,9px) var(--green-hi),0 12px 32px rgba(0,0,0,.45),0 0 0 6px rgba(47,220,156,.12);
  animation:nf-spin 9s linear infinite}
.nf-ball .ico{width:55%;height:55%;color:var(--green-hi)}
@keyframes nf-spin{to{transform:rotate(360deg)}}
.nf-kicker{display:inline-block;margin:0 0 .8rem;padding:.25rem .8rem;border-radius:999px;font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green-hi);background:rgba(47,220,156,.12);border:1px solid rgba(47,220,156,.35)}
.nf-hero h1{margin:0 0 .6rem}
.nf-lead{max-width:46ch;margin:0 auto .9rem;color:var(--muted);font-size:1.05rem}
.nf-path{margin:0 auto .5rem;color:var(--muted);font-size:.9rem;max-width:100%}
.nf-path code{display:inline-block;max-width:min(100%,46ch);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;padding:.1rem .5rem;border-radius:4px;background:var(--bg-3);border:1px solid var(--line);color:var(--text);font-size:.85rem}
.nf-suggest{margin:0 auto .5rem;font-size:.95rem}
.nf-suggest a{color:var(--green-hi);font-weight:700}
.nf-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.7rem;margin-top:1.5rem}
.nf-btn{padding:.75rem 1.4rem;font-size:1rem;border-radius:6px}
.nf-btn .ico{width:1.1rem;height:1.1rem}
.nf-btn:focus-visible,.nf-card:focus-visible{outline:3px solid #2fdc9c;outline-offset:2px}

.nf-popular{margin-top:2.25rem}
.nf-popular h2{font-size:1.1rem;text-transform:uppercase;letter-spacing:.04em;margin:0 0 1rem;display:flex;align-items:center;gap:.6rem}
.nf-popular h2::before{content:"";width:4px;height:1.1em;border-radius:2px;background:var(--green-hi)}
.nf-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.8rem}
.nf-card{display:flex;align-items:center;gap:.9rem;height:100%;padding:1rem 1.1rem;background:var(--card);border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--text);transition:border-color .15s,transform .15s,background-color .15s}
.nf-card:hover{border-color:var(--green-hi);transform:translateY(-2px);background:var(--card-2)}
.nf-card-ico{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:10px;background:rgba(47,220,156,.12);color:var(--green-hi)}
.nf-card-ico .ico{width:1.4rem;height:1.4rem}
.nf-card-text{flex:1;min-width:0;line-height:1.3}
.nf-card-text strong{display:block;font-size:1rem}
.nf-card-text span{font-size:.85rem;color:var(--muted)}
.nf-card-go{flex:none;width:1.1rem;height:1.1rem;color:var(--muted);transition:transform .15s,color .15s}
.nf-card:hover .nf-card-go{transform:translateX(3px);color:var(--green-hi)}
.nf-help{margin:1.5rem 0 0;text-align:center;color:var(--muted);font-size:.92rem}
.nf-help a{color:var(--green-hi)}
@media (max-width:560px){
  .nf{padding:1.25rem 14px 2.5rem}
  .nf-hero{padding:2.25rem 1rem 2rem}
  .nf-actions .nf-btn{flex:1 1 100%}
  .nf-grid{grid-template-columns:1fr}
}

/* ---------- 404 page (/404.html) ----------
   Only used by 404.html (every rule is scoped to .nf). Reuses .btn, .crumbs,
   .lede, .lobby-title, .grid/.tile-art and the theme variables from style.css. */
.nf{padding:1.5rem 0 3rem}
.nf-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:2rem;align-items:center;padding:2.25rem 2.25rem 2.5rem;border:1px solid var(--line);border-radius:var(--r);
  background:radial-gradient(55% 90% at 82% 50%,rgba(47,220,156,.22),transparent 70%),linear-gradient(120deg,var(--green-deep),var(--card) 58%)}
.nf-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 58%,rgba(47,220,156,.16) 58% 61%,transparent 61% 66%,rgba(47,220,156,.08) 66% 67.5%,transparent 67.5%);pointer-events:none}
.nf-copy,.nf-art{position:relative;min-width:0}
.nf-kicker{display:flex;align-items:center;gap:.75rem;margin:0 0 .85rem;font-weight:800;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nf-kicker .wordmark{font-size:1.35rem}
.nf-kicker-sep{width:2px;height:22px;background:var(--line)}
.nf-hero h1{margin:0 0 .75rem;font-size:clamp(2rem,4.4vw,3rem);line-height:1.08}
.nf-hero .lede{margin:0}
.nf-actions{margin-top:1.5rem}
.nf-actions .btn .ico{width:1.1rem;height:1.1rem}
.nf-art{display:flex;flex-direction:column;align-items:center;text-align:center;user-select:none}
.nf-code{display:block;font-weight:900;font-style:italic;line-height:.85;letter-spacing:-.04em;white-space:nowrap;font-size:clamp(5.5rem,13vw,10.5rem);padding:0 .08em .06em 0;color:var(--green-hi);
  background:linear-gradient(180deg,var(--green-hi),var(--green) 85%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 8px 24px rgba(23,147,106,.35))}
.nf-zero{display:inline-block;color:transparent;-webkit-text-fill-color:transparent;-webkit-text-stroke:.07em var(--green-hi);background:none;margin:0 .02em}
.nf-tag{margin-top:.9rem;display:inline-block;padding:.3rem .9rem;border-radius:999px;background:var(--bg-3);border:1px solid var(--line);font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

.nf-section{margin-top:2.25rem}
.nf-section-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin:0 0 1rem}
.nf-section-head .lobby-title{margin:0}
.nf .lobby-title .ico{width:1.25rem;height:1.25rem}
.nf-more{display:inline-flex;align-items:center;gap:.2rem;font-weight:700;font-size:.88rem;text-decoration:none}
.nf-more .ico{width:1rem;height:1rem}

.nf-links{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem}
.nf-links li{margin:0}
.nf-link{display:flex;align-items:center;gap:.8rem;height:100%;padding:.9rem 1rem;background:var(--card);border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--muted);font-size:.85rem;line-height:1.4;transition:border-color .15s,transform .15s,box-shadow .15s}
.nf-link:hover{color:var(--muted);border-color:var(--green-hi);transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.25)}
.nf-link-ico{flex:none;display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:50%;background:var(--green-deep);color:var(--green-hi)}
.nf-link-ico .ico{width:1.4rem;height:1.4rem}
.nf-link-text{flex:1;min-width:0}
.nf-link-text strong{display:block;color:var(--text);font-size:1rem;margin-bottom:.1rem}
.nf-link:hover strong{color:var(--green-hi)}
.nf-link-go{width:1rem;height:1rem;color:var(--muted);transition:transform .15s,color .15s}
.nf-link:hover .nf-link-go{color:var(--green-hi);transform:translateX(2px)}

.nf .grid.nf-games{grid-template-columns:repeat(6,minmax(0,1fr))}
.nf-help{margin:2.25rem 0 0;padding:.9rem 1.1rem;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--green-hi);border-radius:0 8px 8px 0;font-size:.9rem;color:var(--muted)}

@media (max-width:1100px){.nf-links{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){
  .nf-hero{grid-template-columns:1fr;gap:.5rem;padding:1.5rem 1.4rem 1.75rem}
  .nf-art{order:-1}
  .nf-code{font-size:clamp(5rem,26vw,8rem)}
  .nf-tag{display:none}
  .nf .grid.nf-games{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:560px){
  .nf{padding:1rem 0 2.5rem}
  .nf-hero{padding:1.25rem 1rem 1.4rem;border-radius:6px}
  .nf-actions{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
  .nf-actions .btn{padding:.65rem .5rem}
  .nf-links{grid-template-columns:1fr;gap:.6rem}
  .nf-link{padding:.75rem .85rem}
}
@media (prefers-reduced-motion:reduce){.nf-link:hover{transform:none}}