/* CertPrep+ games (1.3.x). Everything is scoped to .opg (one game), .opg-ref (its list) and .opg-hub (the hub). */
.opg,.opg-ref{
  --opg-bg:var(--bg,#0a0a0a); --opg-card:var(--bg-card,#131313); --opg-card2:#181818; --opg-line:#262626; --opg-line2:#333;
  --opg-fg:#ececec; --opg-dim:#8a8a8a; --opg-mute:#5c5c5c;
  --opg-accent:#ff6b1a; --opg-ok:#22c55e; --opg-bad:#ef4444;
  --opg-display:var(--font-heading,'Space Grotesk',system-ui,sans-serif); --opg-body:var(--font-body,'DM Sans',system-ui,sans-serif); --opg-mono:var(--font-mono,'JetBrains Mono',ui-monospace,monospace);
  max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:18px;color:var(--opg-fg);font-family:var(--opg-body);position:relative
}
.opg *{box-sizing:border-box}
.opg [hidden]{display:none!important}
.opg-top{display:flex;align-items:center;gap:14px}
.opg-prog{flex:1;height:8px;border-radius:999px;background:var(--opg-card2);border:1px solid var(--opg-line);overflow:hidden}
.opg-prog i{display:block;height:100%;width:100%;background:var(--opg-game,var(--opg-accent));border-radius:999px;transition:width .1s linear,background .3s}
.opg-prog i.is-low{background:var(--opg-bad)}
.opg-count{flex:none;font:600 12px var(--opg-mono);letter-spacing:.06em;color:var(--opg-game,var(--opg-accent));background:color-mix(in srgb,var(--opg-game,var(--opg-accent)) 12%,transparent);border:1px solid color-mix(in srgb,var(--opg-game,var(--opg-accent)) 35%,transparent);border-radius:6px;padding:4px 9px;font-variant-numeric:tabular-nums}
.opg-eyebrow{font:600 11.5px var(--opg-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--opg-game,var(--opg-cert,var(--opg-accent)))}
.opg-headrow{display:flex;align-items:center;justify-content:space-between;gap:10px 16px;flex-wrap:wrap;margin-top:-8px}
.opg .opg-h{margin:0;font:600 clamp(24px,6.5vw,30px)/1.15 var(--opg-display);letter-spacing:-.01em;color:var(--opg-fg);min-width:0}
.opg-deck{flex:none;display:inline-flex;border:1px solid var(--opg-line);border-radius:9px;overflow:hidden}
.opg-deck button{font:600 13px var(--opg-display);color:var(--opg-dim);background:transparent;border:0;padding:8px 12px;cursor:pointer;margin:0;line-height:1.2}
.opg-deck button[aria-pressed="true"]{background:var(--opg-card2);color:var(--opg-fg)}
.opg-deck button:focus-visible{outline:2px solid var(--opg-accent);outline-offset:-2px}

.opg-board{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px 14px}
.opg-col{display:grid;grid-template-rows:repeat(5,1fr);gap:12px;min-width:0}
.opg-tile{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:76px;margin:0;padding:10px 12px;border-radius:12px;background:var(--opg-card);border:1px solid var(--opg-line);color:var(--opg-fg);cursor:pointer;text-align:center;transition:border-color .12s,background .12s,opacity .28s,transform .12s;-webkit-tap-highlight-color:transparent;user-select:none;box-shadow:none}
.opg-tile:active{transform:scale(.97)}
.opg-tile.is-l{font:700 21px var(--opg-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.opg-tile.is-l.is-word{font:600 17px/1.2 var(--opg-display);letter-spacing:0}
.opg-tile.is-r{font:600 16px/1.2 var(--opg-display)}
.opg-tile small{display:block;font:500 11px var(--opg-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--opg-dim);margin-top:4px}
.opg-tile:hover{border-color:var(--opg-line2)}
.opg-tile:focus-visible{outline:2px solid var(--opg-accent);outline-offset:3px}
.opg-tile.is-sel{border-color:color-mix(in srgb,var(--opg-accent) 70%,transparent);background:color-mix(in srgb,var(--opg-accent) 10%,var(--opg-card));color:#ffd9c2}
.opg-tile.is-ok{border-color:color-mix(in srgb,var(--opg-ok) 70%,transparent);background:color-mix(in srgb,var(--opg-ok) 12%,var(--opg-card));color:#c9f5d8}
.opg-tile.is-bad{border-color:color-mix(in srgb,var(--opg-bad) 75%,transparent);background:color-mix(in srgb,var(--opg-bad) 10%,var(--opg-card));animation:opg-shake .32s}
.opg-tile.is-out{opacity:0;transform:scale(.94);pointer-events:none;transition:opacity .6s ease,transform .6s ease}
.opg-tile.is-in{animation:opg-pop .3s ease both}
.opg-tile.is-empty{visibility:hidden}
.opg-flash{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font:700 15px var(--opg-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--opg-ok);background:color-mix(in srgb,var(--opg-ok) 14%,var(--opg-bg));border:1px solid color-mix(in srgb,var(--opg-ok) 45%,transparent);border-radius:8px;padding:8px 14px;pointer-events:none;animation:opg-flash 1.3s ease forwards}
@keyframes opg-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
@keyframes opg-pop{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
@keyframes opg-flash{0%{opacity:0;transform:translate(-50%,-40%)}15%{opacity:1;transform:translate(-50%,-50%)}80%{opacity:1}100%{opacity:0;transform:translate(-50%,-60%)}}

.opg-hint{font:500 12.5px var(--opg-mono);color:var(--opg-dim);text-align:center;min-height:18px;line-height:1.5}
.opg-meta{display:flex;align-items:center;gap:8px 16px;flex-wrap:wrap;font-size:13px;color:var(--opg-mute)}
.opg-meta b{font:700 14px var(--opg-mono);color:var(--opg-dim);font-variant-numeric:tabular-nums}
.opg-tool{display:inline-flex;align-items:center;gap:7px;height:36px;margin:0;padding:0 12px;border-radius:9px;border:1px solid var(--opg-line);background:var(--opg-card2);color:var(--opg-fg);font:600 13px var(--opg-display);cursor:pointer}
.opg-tool[data-tool="clock"]{margin-left:auto}
.opg-tool svg{width:17px;height:17px}
.opg-tool .off{display:none}
.opg-tool[aria-pressed="false"]{background:transparent;color:var(--opg-dim)}
.opg-tool[aria-pressed="false"] .off{display:inline}
.opg-tool:focus-visible,.opg-finish:focus-visible{outline:2px solid var(--opg-accent);outline-offset:2px}
.opg-finish{margin:0;font:600 13px var(--opg-display);color:var(--opg-fg);background:transparent;border:1px solid var(--opg-line2);border-radius:9px;padding:8px 12px;cursor:pointer}
.opg-finish:hover{border-color:var(--opg-game,var(--opg-accent));color:var(--opg-game,var(--opg-accent))}

/* End screen: the board, heading row, hint and meta step aside */
.opg.is-done .opg-board,.opg.is-done .opg-hint,.opg.is-done .opg-meta,.opg.is-done .opg-headrow,.opg.is-done .opg-top{display:none}
.opg-done{background:var(--opg-card);border:1px solid var(--opg-line);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:14px}
.opg .opg-done-h{margin:0;font:700 26px var(--opg-display);color:var(--opg-fg)}
.opg .opg-done-p{margin:0;color:var(--opg-dim);line-height:1.55}
.opg-post-card{display:flex;flex-direction:column;gap:6px;padding:14px 16px;border-radius:10px;border:1px solid color-mix(in srgb,var(--opg-game,var(--opg-accent)) 35%,transparent);background:color-mix(in srgb,var(--opg-game,var(--opg-accent)) 8%,var(--opg-card))}
.opg-post-card.is-ok{border-color:color-mix(in srgb,var(--opg-ok) 40%,transparent);background:color-mix(in srgb,var(--opg-ok) 8%,var(--opg-card))}
.opg-post-card b{font:600 17px var(--opg-display);color:var(--opg-fg)}
.opg-post-card span{font-size:14px;color:var(--opg-dim)}
.opg-post-card .opg-btns{margin-top:6px}
.opg-post-note{margin:0;font-size:14px;color:var(--opg-dim)}
.opg-handle{display:flex;flex-direction:column;gap:8px}
.opg-handle label{font:600 14px var(--opg-display);color:var(--opg-fg)}
.opg-handle div{display:flex;gap:8px}
.opg-handle input{flex:1;min-width:0;font:500 15px var(--opg-mono);color:var(--opg-fg);background:var(--opg-bg);border:1px solid var(--opg-line2);border-radius:9px;padding:10px 12px}
.opg-handle input:focus{outline:2px solid var(--opg-accent);outline-offset:1px}
.opg-handle small{font-size:12.5px;color:var(--opg-mute)}
.opg-handle-err{margin:0;font-size:13px;color:var(--opg-bad);min-height:1em}
.opg-miss{display:grid;gap:8px}
.opg-miss-h{font:600 11px var(--opg-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--opg-mute)}
.opg-miss-row{display:flex;align-items:center;gap:14px;padding:10px 12px;border:1px solid var(--opg-line);border-radius:9px;background:var(--opg-bg)}
.opg-miss-row b{font:700 15px var(--opg-mono);color:var(--opg-bad);min-width:64px}
.opg-miss-row span{font:600 14px var(--opg-display);color:var(--opg-fg)}
.opg-miss-row small{display:block;font:500 12.5px var(--opg-body);color:var(--opg-dim);margin-top:2px}
.opg-btns{display:flex;gap:10px;flex-wrap:wrap}
.opg-btn{display:inline-flex;align-items:center;margin:0;font:600 16px var(--opg-display);background:var(--opg-game,var(--opg-accent));color:#0a0a0a;border:0;border-radius:9px;padding:12px 20px;cursor:pointer;text-decoration:none}
.opg-btn:hover{color:#0a0a0a;filter:brightness(1.08)}
.opg-btn2{display:inline-flex;align-items:center;font:600 16px var(--opg-display);color:var(--opg-fg);background:transparent;border:1px solid var(--opg-line2);border-radius:9px;padding:11px 18px;text-decoration:none}
.opg-btn2:hover{border-color:var(--opg-game,var(--opg-accent));color:var(--opg-game,var(--opg-accent))}
.opg-btn:focus-visible,.opg-btn2:focus-visible{outline:2px solid var(--opg-fg);outline-offset:2px}

/* Leaderboard */
.opg-lb{background:var(--opg-card);border:1px solid var(--opg-line);border-radius:12px;padding:18px 20px;margin-top:6px}
.opg-lb-head{display:flex;align-items:flex-end;justify-content:space-between;gap:10px 16px;flex-wrap:wrap;margin-bottom:10px}
.opg .opg-lb-h{margin:4px 0 0;font:600 18px var(--opg-display);color:var(--opg-fg)}
.opg-lb-list{list-style:none;margin:0;padding:0}
.opg-lb-list li{display:grid;grid-template-columns:32px minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 4px;border-top:1px solid var(--opg-line);font-size:15px;margin:0}
.opg-lb-list li:first-child{border-top:0}
.opg-rank{font:700 13px var(--opg-mono);color:var(--opg-mute);font-variant-numeric:tabular-nums}
.opg-lb-list li:nth-child(-n+3) .opg-rank{color:var(--opg-game,var(--opg-accent))}
.opg-name{font:600 15px var(--opg-display);color:var(--opg-fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.opg-name i{font:600 10px var(--opg-mono);font-style:normal;letter-spacing:.1em;text-transform:uppercase;color:var(--opg-dim);border:1px solid var(--opg-line2);border-radius:5px;padding:1px 6px;margin-left:6px;vertical-align:2px}
.opg-name i.you{color:var(--opg-game,var(--opg-accent));border-color:color-mix(in srgb,var(--opg-game,var(--opg-accent)) 40%,transparent)}
.opg-lb-list li b{font:700 15px var(--opg-mono);color:var(--opg-fg);font-variant-numeric:tabular-nums}
.opg-lb-list li.is-bot .opg-name,.opg-lb-list li.is-bot b{color:var(--opg-dim)}
.opg-lb-list li.is-you{background:color-mix(in srgb,var(--opg-game,var(--opg-accent)) 7%,transparent);border-radius:8px}
.opg-lb-empty{display:block!important;color:var(--opg-dim);font-size:14px}
.opg-lb-foot{margin:12px 0 0;font-size:13.5px;color:var(--opg-dim)}
.opg-lb-foot a{color:var(--opg-game,var(--opg-accent))}
.opg-lb-foot b{font-family:var(--opg-mono);color:var(--opg-fg)}

/* List panel */
.opg-idx{position:fixed;inset:0;z-index:99995;background:rgba(0,0,0,.72);display:flex;align-items:flex-start;justify-content:center;padding:16px;overflow-y:auto}
.opg-idx-card{width:100%;max-width:640px;background:var(--opg-card);border:1px solid var(--opg-line);border-radius:12px;padding:20px;margin-block:12px}
.opg-idx-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.opg-idx-note{margin:10px 0 14px;color:var(--opg-dim);font-size:13.5px;line-height:1.5}
.opg-idx-scroll{overflow-x:auto}
.opg-idx-t{width:100%;border-collapse:collapse;font-size:14px;margin:0}
.opg-idx-t th{font:600 10.5px var(--opg-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--opg-mute);text-align:left;padding:8px 10px;border-bottom:1px solid var(--opg-line2);background:none}
.opg-idx-t td{padding:9px 10px;border-bottom:1px solid var(--opg-line);vertical-align:top;color:#d4d4d4;background:none}
.opg-idx-t td:first-child{font:700 14px var(--opg-mono);color:var(--opg-game,var(--opg-accent));white-space:nowrap;font-variant-numeric:tabular-nums}
.opg-idx-t td:nth-child(2){font:600 14.5px var(--opg-display);color:var(--opg-fg)}
.opg-idx-t td:nth-child(2) small{display:block;font:400 13px/1.45 var(--opg-body);color:var(--opg-dim);margin-top:2px}
.opg-idx-t td:nth-child(3){font:500 12px var(--opg-mono);color:var(--opg-dim);white-space:nowrap}
.opg-idx-t tr.sec td{font:600 10.5px var(--opg-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--opg-mute);padding-top:18px;border-bottom:1px solid var(--opg-line2)}
.opg-idx-t tr.sec.first td{padding-top:10px}

/* On the site: the theme's page title sits over the game column, and the page keeps a side gutter
   (the theme's .page-content padding shorthand zeroes .wrap's sides) */
.opg-page .page-content{padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.opg-page-game .page-content > h1{max-width:640px;margin:0 auto 14px;font-size:clamp(30px,8vw,44px)}
@media (max-width:600px){.opg-page .page-content{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-top:40px}}

/* Hub */
.opg-page:not(.opg-page-game) .page-content > h1{display:none}
.opg-hubpage{width:100%;max-width:calc(var(--max-w,1120px) + 48px);margin:0 auto;padding:32px 24px 72px;box-sizing:border-box}
@media (max-width:700px){.opg-hubpage{padding:24px 16px 48px}}
.opg-hero{display:flex;align-items:center;gap:28px;margin-bottom:28px}
.opg-hero-text{flex:1;min-width:0}
.opg-hero-label{font:500 11px var(--font-mono,'JetBrains Mono',monospace);letter-spacing:.15em;text-transform:uppercase;color:#777;margin-bottom:12px}
.opg-hero-title{font:700 clamp(30px,5vw,40px)/1.15 var(--font-heading,'Space Grotesk',sans-serif);letter-spacing:-.02em;color:#f0f0f0;margin:0 0 10px}
.opg-hero-sub{color:#9a9a9a;font-size:16px;line-height:1.6;margin:0;max-width:760px}
@media (max-width:700px){.opg-hero{display:grid;grid-template-columns:auto 1fr;gap:0 14px}.opg-hero-text{display:contents}.opg-hero-label{grid-column:1/-1;grid-row:1;margin-bottom:14px}.opg-hero .odr-mascot{grid-column:1;grid-row:2}.opg-hero-title{grid-column:2;grid-row:2;margin:0}.opg-hero-sub{grid-column:1/-1;grid-row:3;margin-top:14px}}
.opg-hero .opg-hero-title{margin:0 0 10px}
.opg-hero p.opg-hero-sub{margin:0;line-height:1.6;font-size:16px}
@media (max-width:700px){.page-content .opg-hero .opg-hero-title{margin:0}.opg-hero p.opg-hero-sub{margin-top:14px}}
.opg-notice{display:flex;align-items:center;gap:14px;margin:0 0 26px;padding:14px 18px;background:var(--bg-card,#131313);border:1px solid #262626;border-radius:12px;transition:border-color .15s}
.opg-notice:hover{border-color:var(--accent,#ff6b1a)}
.opg-notice-ic{flex:none;display:grid;place-items:center;width:42px;height:42px;border-radius:10px;color:var(--accent,#ff6b1a);background:color-mix(in srgb,var(--accent,#ff6b1a) 12%,transparent);border:1px solid color-mix(in srgb,var(--accent,#ff6b1a) 32%,transparent)}
.opg-notice-ic svg{width:22px;height:22px;display:block}
.opg-notice-t{font:600 17px/1.35 var(--font-heading,'Space Grotesk',system-ui,sans-serif);color:#f2f1ec}
.opg-notice-t a{color:var(--accent,#ff6b1a);text-decoration:none}
.opg-notice-t a:hover{text-decoration:underline}
.opg-hub{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:900px){.opg-hub{grid-template-columns:1fr}}
.opg-hubcard{display:flex;flex-direction:column;gap:12px;padding:30px;min-height:260px;border-radius:14px;background:var(--bg-card,#131313);border:1px solid var(--border,#262626);color:inherit}
.opg-hubtitle{font:600 28px var(--font-heading,'Space Grotesk',sans-serif);color:#f0f0f0;text-decoration:none}
.opg-hubtitle:hover{color:#fff}
.opg-hubtext{font-size:15.5px;line-height:1.6;color:#9a9a9a;flex:1}
.opg-hubbtns{display:grid;grid-template-columns:1fr 1fr;gap:10px 6px;margin-top:10px}
.opg-hubbtns a{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 16px;border-radius:9px;font:600 15px var(--font-heading,'Space Grotesk',sans-serif);text-decoration:none;transition:background .15s,border-color .15s,color .15s}
.opg-hubsub{background:#0d0d0d;color:#e8e8e8;border:1px solid var(--border,#262626)}
.opg-hubsub:hover{border-color:#555;color:#fff}
.opg-hubplay{grid-column:1/-1;order:-1;background:var(--opg-play,#ff6b1a);color:#000;border:1px solid var(--opg-play,#ff6b1a)}
.opg-hubplay:hover{background:var(--opg-play,#ff6b1a);filter:brightness(1.1);color:#000}

@media (max-width:420px){
  .opg-tile{min-height:70px}.opg-tile.is-l{font-size:19px}.opg-tile.is-r{font-size:15px}
  .opg-lb{padding:16px}
}
@media (prefers-reduced-motion:reduce){.opg-tile,.opg-tile.is-in,.opg-tile.is-bad,.opg-flash{animation:none;transition:none}}
.opg .opg-lb{scroll-margin-top:96px}

/* Under the leaderboard: study for the game's cert (same look as the CertPrep+ cert cards' actions) */
.opg-cta{max-width:640px;margin:22px auto 0;padding:24px;border-radius:14px;background:var(--bg-card,#131313);border:1px solid var(--border,#262626);box-sizing:border-box}
.opg-cta-top{margin-bottom:8px}
.opg-cta-code{font:700 22px var(--font-mono,'JetBrains Mono',monospace);letter-spacing:.02em;color:var(--opg-cert,#ff6b1a)}
.opg-cta .opg-cta-h{font:600 22px/1.25 var(--font-heading,'Space Grotesk',sans-serif);color:#f0f0f0;margin:0 0 6px}
.opg-cta p.opg-cta-p{font-size:15px;line-height:1.55;color:#9a9a9a;margin:0 0 18px}
.opg-cta-btns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.opg-cta-btns a{display:flex;align-items:center;justify-content:center;height:50px;border-radius:8px;font:600 15px var(--font-mono,'JetBrains Mono',monospace);text-decoration:none;transition:background .15s,border-color .15s,filter .15s}
.opg-cta-btns a:only-child{grid-column:1/-1}
.opg-cta-more{background:#0d0d0d;color:#e8e8e8;border:1px solid var(--border,#262626)}
.opg-cta-more:hover{border-color:#555;color:#fff}
.opg-cta-go{background:var(--opg-cert,#ff6b1a);color:#000;border:1px solid var(--opg-cert,#ff6b1a)}
.opg-cta-go:hover{filter:brightness(1.08);color:#000}
.opg-done .opg-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px}.opg-done .opg-btns > *{width:100%;justify-content:center;text-align:center;box-sizing:border-box}@media (max-width:420px){.opg-done .opg-btns{grid-template-columns:1fr}}

/* Cable Match: connector drawings on the left tiles, in the review and in the list */
.opg-tile.is-pic{padding:6px 8px}
.opg-tile.is-pic svg{display:block;height:64px;width:auto;max-width:100%}
.opg-miss-row b.pic{min-width:64px;width:64px;color:var(--opg-fg)}
.opg-miss-row b.pic svg{display:block;width:64px;height:auto}
.opg-idx-t td.pic{width:84px;color:var(--opg-fg)}
.opg-idx-t td.pic svg{display:block;width:76px;height:auto}
.opg-miss-row b{flex:none;max-width:42%;overflow-wrap:anywhere}
.opg-miss-row b.word{font:600 14.5px/1.25 var(--opg-display);min-width:0;width:34%}
.opg-miss-row span{min-width:0}
.opg-tile.is-l{overflow-wrap:anywhere}
.opg-tile.is-r.is-mono{font:700 21px var(--opg-mono);letter-spacing:.01em}
.opg-idx-t span.mono{font:700 14px var(--opg-mono);color:var(--opg-fg)}
.opg-tile.is-pic svg *,.opg-miss-row b.pic svg *,.opg-idx-t td.pic svg *{vector-effect:non-scaling-stroke}
.opg-miss-row b.pic svg{height:40px;width:auto;max-width:64px}
.opg-idx-t td.pic svg{height:44px;width:auto;max-width:76px}
.opg-idx-t tr.sub td{font:600 12px var(--opg-display);color:var(--opg-dim);padding:12px 10px 4px;border-bottom:0}
.opg-idx-t tr.sub + tr td{border-top:0}
/* More than 4 decks: a 3-across grid under the heading */
.opg-deck.many{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;flex:1 1 100%}
.opg-deck.many button{border-top:1px solid var(--opg-line);border-left:1px solid var(--opg-line);margin:-1px 0 0 -1px;padding:9px 8px}
/* Last 10 seconds: the bar turns red and pulses (so it still reads in Command Match, whose bar is red) */
.opg-prog i.is-low{animation:opg-low .6s ease-in-out infinite alternate}
@keyframes opg-low{to{opacity:.45}}
@media (prefers-reduced-motion:reduce){.opg-prog i.is-low{animation:none}}
/* Under each game: the full list as real HTML (for search engines and anyone who wants it) */
.opg-ref{max-width:640px;margin:34px auto 0;color:var(--opg-fg,#e8e8e8)}
.opg-ref .opg-ref-h{font:600 24px/1.25 var(--font-heading,'Space Grotesk',sans-serif);color:#f0f0f0;margin:0 0 8px}
.opg-ref p.opg-ref-intro{color:#9a9a9a;font-size:15.5px;line-height:1.6;margin:0 0 16px}
.opg-ref-list{border:1px solid var(--border,#262626);border-radius:12px;background:var(--bg-card,#131313)}
.opg-ref-list summary{cursor:pointer;list-style:none;padding:14px 18px;font:600 15px var(--font-heading,'Space Grotesk',sans-serif);color:#e8e8e8;display:flex;justify-content:space-between;align-items:center}
.opg-ref-list summary::-webkit-details-marker{display:none}
.opg-ref-list summary::after{content:'+';font:600 20px var(--font-mono,'JetBrains Mono',monospace);color:var(--opg-game,#ff6b1a)}
.opg-ref-list[open] summary::after{content:'\2212'}
.opg-ref-list summary:focus-visible{outline:2px solid var(--opg-game,#ff6b1a);outline-offset:2px;border-radius:12px}
.opg-ref p.opg-ref-note{color:#8a8a8a;font-size:13.5px;line-height:1.55;margin:0 18px 10px}
.opg-ref-scroll{padding:0 18px 14px;overflow-x:auto}
.opg-ref .opg-idx-t{width:100%;border-collapse:collapse;font-size:14px}
/* On a cert page the games sit in the page's own width */
.opg-hub.opg-hub-cert{margin-top:22px}
/* End screen: even spacing, the name form inside the rank card */
.opg-done{gap:18px}
.opg .opg-done-p{margin-top:-6px}
.opg-post{display:grid;gap:12px}
.opg-post:empty{display:none}
.opg-post-card{padding:16px 18px;gap:4px}
.opg-post-card .opg-handle{margin-top:12px;padding-top:14px;border-top:1px solid color-mix(in srgb,var(--opg-ok) 22%,transparent);gap:8px}
.opg-handle label{font:600 15px var(--opg-display)}
.opg-handle div{gap:10px;align-items:stretch}
.opg-handle input{height:44px;box-sizing:border-box;padding:0 14px;font:500 15px var(--opg-mono);background:var(--opg-bg)}
.opg-handle input::placeholder{color:var(--opg-mute)}
.opg-handle input:focus{outline:2px solid var(--opg-game,var(--opg-accent));outline-offset:1px;border-color:transparent}
.opg-handle .opg-btn{height:44px;padding:0 22px;justify-content:center}
.opg-handle small{font-size:12.5px;line-height:1.45;color:var(--opg-dim)}
.opg-handle-err:empty{display:none}
.opg-miss{gap:8px}
.opg-miss-h{margin:4px 0 2px}
.opg-miss-row{padding:11px 14px;gap:16px}
.opg-miss-row b{min-width:56px}
.opg-done .opg-btns{margin-top:4px}
.opg-done .opg-btns > *{height:48px;padding-top:0;padding-bottom:0}
/* Review rows: a fixed first column so names line up */
.opg-miss-row{display:grid;grid-template-columns:96px minmax(0,1fr);align-items:center}
.opg-miss-row b,.opg-miss-row b.word{width:auto;max-width:none;min-width:0}
.opg-miss-row b.pic{width:64px}
.opg-miss-row[hidden]{display:none}
.opg-miss-h{display:flex;justify-content:space-between}
.opg-miss-h span{color:var(--opg-mute)}
.opg-miss-more{justify-self:start;margin:2px 0 0;font:600 14px var(--opg-display);color:var(--opg-fg);background:transparent;border:1px solid var(--opg-line2);border-radius:9px;padding:9px 16px;cursor:pointer}
.opg-miss-more:hover{border-color:var(--opg-game,var(--opg-accent));color:var(--opg-game,var(--opg-accent))}
@media (max-width:420px){.opg-miss-row{grid-template-columns:78px minmax(0,1fr)}}
/* Keep the rank card inside the end screen on phones (the name field's own width was pushing it out) */
.opg-post{grid-template-columns:minmax(0,1fr)}
.opg-post-card,.opg-handle,.opg-handle div{min-width:0}
.opg-handle input{width:100%}
@media (max-width:420px){.opg-miss-row{grid-template-columns:96px minmax(0,1fr)}.opg-miss-row b{font-size:14px;overflow-wrap:normal}}
/* Back link above the game's title (same look as "All certs" in the app) */
.opg-back{display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;font:500 15px var(--font-mono,'JetBrains Mono',monospace);color:#a3a3a3;text-decoration:none}
.opg-back::before{content:'';width:7px;height:7px;border-left:1.8px solid currentColor;border-bottom:1.8px solid currentColor;transform:rotate(45deg);margin-right:2px}
.opg-back:hover{color:#fff}
.opg-page-game .page-content > .opg-back{display:flex;width:max-content;max-width:640px;margin:0 auto 18px;}
.opg-page-game .page-content > .opg-back{margin-left:max(0px,calc((100% - 640px) / 2))}
/* Game card thumbnail: one matched pair in the game's color, joined by a line */
.opg-thumb{display:grid;grid-template-columns:minmax(0,1fr) 30px minmax(0,1fr);align-items:center;height:84px;padding:0 14px;margin-bottom:6px;border-radius:10px;
  background:color-mix(in srgb,var(--opg-play,#ff6b1a) 9%,#0d0d0d);border:1px solid color-mix(in srgb,var(--opg-play,#ff6b1a) 22%,transparent)}
.opg-thumb-tile{display:flex;align-items:center;justify-content:center;height:46px;padding:0 8px;border-radius:9px;text-align:center;line-height:1.15;
  font:600 14px var(--font-heading,'Space Grotesk',sans-serif);border:1px solid color-mix(in srgb,var(--opg-play,#ff6b1a) 75%,transparent);
  background:color-mix(in srgb,var(--opg-play,#ff6b1a) 16%,#111);color:color-mix(in srgb,var(--opg-play,#ff6b1a) 30%,#fff)}
.opg-thumb-tile.is-mono{font:700 16px var(--font-mono,'JetBrains Mono',monospace)}
.opg-thumb-tile.is-pic svg{display:block;height:30px;width:auto;max-width:100%}
.opg-thumb-tile.is-pic svg *{vector-effect:non-scaling-stroke}
.opg-thumb-link{height:2px;background:var(--opg-play,#ff6b1a);position:relative}
.opg-thumb-link::after{content:'';position:absolute;left:50%;top:50%;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;background:var(--opg-play,#ff6b1a);box-shadow:0 0 0 3px color-mix(in srgb,var(--opg-play,#ff6b1a) 9%,#0d0d0d)}
/* Matched while the board empties out: the tile stays, faded, and can't be tapped */
.opg-tile.is-spent{opacity:.28;pointer-events:none;animation:none;transition:opacity .6s ease}
@media (prefers-reduced-motion:reduce){.opg-tile.is-spent{transition:none}}