/* Standalone presentation. Shared game content and behavior stay in activities.js. */
.games-page{
  width:100%;max-width:1280px;min-height:100svh;margin:0 auto;
  padding:clamp(24px,5svh,64px) clamp(20px,4.5vw,64px);
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(20px,2.5vw,32px);align-content:center;align-items:stretch;
}
.games-page>.storage-note{grid-column:1/-1;margin:0}
.games-heading{
  grid-column:1/-1;min-width:0;margin:0;
  font-size:clamp(1.25rem,2.8vw,2rem);line-height:1.35;
  letter-spacing:-.035em;text-wrap:nowrap;white-space:nowrap;
}
.games-footer{grid-column:1/-1;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:4px 16px;text-align:center}
.games-footer a,.research-links a{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-height:44px;padding:8px 12px;font-size:.875rem;color:var(--muted);
  text-underline-offset:4px;
}
.games-footer a:hover,.research-links a:hover{color:var(--blue)}
.further-learning{grid-column:1/-1;min-width:0;margin-top:8px;padding-top:20px;border-top:1px solid #dce1ef}
.further-learning-heading{margin-bottom:16px}
.further-learning-heading h2{font-size:clamp(1.375rem,2.4vw,1.85rem);line-height:1.2;letter-spacing:-.035em;margin:0 0 6px}
.further-learning-heading p{font-size:.875rem;line-height:1.5;color:var(--muted);margin:0}
.talk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:start}
.talk-card{min-width:0;padding:16px 18px 8px;border:1px solid #e1e5f4;border-radius:14px}
.talk-card .talk-speaker{font-size:1rem;line-height:1.4;font-weight:750;letter-spacing:-.015em;margin:0}
.talk-link{display:flex;align-items:center;min-height:44px;padding:5px 0;font-size:.875rem;line-height:1.45;color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px;overflow-wrap:anywhere}
.talk-link:hover{text-decoration-thickness:2px}
.research-links{width:100%;min-width:0}
.research-links summary{display:flex;align-items:center;gap:5px;min-height:44px;font-size:.875rem;line-height:1.5;color:var(--muted);cursor:pointer;list-style:none;touch-action:manipulation}
.research-links summary::-webkit-details-marker{display:none}
.research-links summary::after{content:'+';margin-left:auto;font-size:1.2rem;line-height:1;font-weight:500}
.research-links[open] summary::after{content:'−'}
.research-links summary:hover{color:var(--blue)}
.research-count{font-weight:400}
.research-links ul{list-style:none;margin:0;padding:4px 0 6px;border-top:1px solid #e1e5f4}
.research-links a{justify-content:flex-start;min-height:44px;padding:8px 0;line-height:1.5;font-weight:400;overflow-wrap:anywhere}
.research-profile{margin-top:4px;border-top:1px solid #e1e5f4}
.talk-link:focus-visible,.research-links :is(a,summary):focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:3px}
@media(max-width:959px){
 .talk-grid{grid-template-columns:minmax(0,1fr);gap:8px}
 .talk-card{padding:12px 14px 4px}
 .further-learning-heading{margin-bottom:12px}
}
.games-page>:is(.activity-teaser,.model-teaser){
  min-width:0;min-height:clamp(430px,65svh,560px);margin:0;
  padding:clamp(28px,3.2vw,44px);border-radius:28px;
  display:flex;flex-direction:column-reverse;align-items:stretch;
  justify-content:flex-end;gap:clamp(28px,4svh,44px);
  box-shadow:0 8px 28px #20263805;
}
.games-page>:is(.activity-teaser,.model-teaser)>div:first-child{
  display:flex;flex-direction:column;flex:1;min-width:0;
}
.games-page :is(.activity-teaser,.model-teaser) .eyebrow{
  font-size:.75rem;line-height:1.5;letter-spacing:.11em;margin-bottom:14px;
}
.games-page :is(.activity-teaser,.model-teaser) h2{
  font-size:clamp(1.8rem,2.9vw,2.7rem);line-height:1.12;
  letter-spacing:-.045em;margin:0 0 18px;text-wrap:balance;
}
.games-page :is(.activity-teaser,.model-teaser) p{
  font-size:clamp(1rem,1.3vw,1.125rem);line-height:1.55;
  margin:0 0 20px;max-width:36ch;text-wrap:pretty;
}
.games-page .model-teaser-meta{font-size:.82rem;line-height:1.5;margin:0 0 24px}
.games-page .small-start{
  min-height:54px;width:100%;margin-top:auto;padding:14px 18px;
  border-radius:13px;border-bottom-width:4px;font-size:1rem;line-height:1.4;
  transition:transform .16s ease,filter .16s ease;
}
.games-page .teaser-marks{
  flex-direction:row;align-items:center;align-self:flex-start;
  width:max-content;max-width:100%;padding:16px 20px;gap:24px;
  border:1px solid #e1e5f4;border-radius:22px;
}
.games-page .teaser-marks img{width:48px;height:48px}
.games-page .teaser-model-names{
  flex-direction:row;align-items:center;align-self:flex-start;
  gap:10px;min-height:82px;max-width:100%;flex-wrap:wrap;
}
.games-page .teaser-model-names span{
  flex:1;padding:16px 18px;border-radius:15px;
  font-size:1rem;line-height:1.35;
}
@media(hover:hover) and (prefers-reduced-motion:no-preference){
  .games-page .small-start:hover{transform:translateY(-2px)}
  .games-page .small-start:active{transform:translateY(1px)}
}
@media(prefers-reduced-motion:no-preference){
  .games-page>:is(.activity-teaser,.model-teaser){animation:game-arrive .4s ease-out both}
  .games-page>.model-teaser{animation-delay:.06s}
  @keyframes game-arrive{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
}
@media(max-width:959px){
  .games-page{max-width:760px;grid-template-columns:minmax(0,1fr);gap:20px}
  .games-page>:is(.activity-teaser,.model-teaser){min-height:0;padding:28px;gap:24px}
  .games-page :is(.activity-teaser,.model-teaser) h2{font-size:2rem;margin-bottom:12px}
  .games-page .small-start{margin-top:4px}
}
@media(min-width:600px) and (max-width:959px){
  .games-page>:is(.activity-teaser,.model-teaser){flex-direction:row;align-items:center;gap:28px}
  .games-page .teaser-marks,.games-page .teaser-model-names{flex-direction:column;align-self:center;gap:16px}
  .games-page .teaser-marks{padding:18px}
  .games-page .teaser-model-names span{width:100%;padding:14px 18px}
}
@media(max-width:599px){
  .games-heading{font-size:clamp(.75rem,4.5cqw,1.25rem)}
  .games-page{padding:max(20px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));gap:16px;align-content:start}
  .games-footer{gap:4px 8px}
  .games-footer a{padding-inline:8px;font-size:.875rem}
  .games-page>:is(.activity-teaser,.model-teaser){padding:22px;border-radius:22px;gap:20px}
  .games-page :is(.activity-teaser,.model-teaser) .eyebrow{font-size:.75rem;margin-bottom:8px}
  .games-page :is(.activity-teaser,.model-teaser) h2{font-size:1.85rem;margin-bottom:12px}
  .games-page :is(.activity-teaser,.model-teaser) p{font-size:1rem;margin-bottom:16px}
  .games-page .model-teaser-meta{font-size:.875rem;margin-bottom:16px}
  .games-page .small-start{min-height:50px;font-size:1rem;padding:12px;white-space:normal}
  .games-page .teaser-marks{padding:12px 16px;gap:22px;border-radius:17px}
  .games-page .teaser-marks img{width:38px;height:38px}
  .games-page .teaser-model-names{min-height:64px;gap:8px}
  .games-page .teaser-model-names span{font-size:.9rem;padding:13px 15px;border-radius:12px}
}

/* Keep play on the board; facts stay below in the same scrollable dialog. */
body:has(#activity-dialog[open]){overflow:hidden}
#activity-dialog{
  width:min(940px,calc(100% - 32px));max-width:none;max-height:calc(100dvh - 32px);
  border-radius:24px;overscroll-behavior:contain;scroll-padding-block:16px;overflow-anchor:none;
}
#activity-dialog:is(.expanded-logo-round,.advanced-model-round) .lesson-top{padding:16px 24px 10px;gap:16px}
#activity-dialog .close{width:44px;height:44px;min-width:44px}
#activity-dialog:is(.expanded-logo-round,.advanced-model-round) .lesson-body{padding:16px clamp(20px,4vw,40px) 24px;min-height:0}
#activity-dialog .lesson-body h1{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:12px}
#activity-dialog .match-instructions{font-size:.95rem;line-height:1.5;margin-bottom:12px}
#activity-dialog .match-board{gap:clamp(12px,2.8vw,28px);margin:18px 0 16px}
#activity-dialog .match-column{gap:8px}
#activity-dialog.expanded-logo-round .match-card{
  height:clamp(56px,8dvh,76px);min-height:56px;padding:8px 10px;border-radius:12px;
}
#activity-dialog.expanded-logo-round .match-card.icon-only .brand-asset{width:40px;height:40px}
#activity-dialog.expanded-logo-round .match-card.company-logo .brand-asset{width:140px;height:34px;max-width:100%}
#activity-dialog.advanced-model-round .model-name{
  height:clamp(52px,7.5dvh,68px);min-height:52px;padding:10px;border-radius:12px;
}
#activity-dialog.advanced-model-round .developer-choice{
  height:auto;min-height:52px;padding:10px;border-radius:12px;font-size:.9rem;
}
#activity-dialog .lesson-footer{
  padding:14px 24px max(14px,env(safe-area-inset-bottom));gap:12px;flex-wrap:wrap;
}
#activity-dialog .activity-round-status{flex:1;flex-direction:row;align-items:center;gap:12px}
#activity-dialog .footer-note{max-width:none;font-size:.75rem;line-height:1.4}
#activity-dialog .activity-timer{padding:7px 10px;gap:6px}
#activity-dialog .lesson-footer :is(.primary,.secondary){
  min-height:46px;padding:10px 16px;font-size:.88rem;flex-shrink:0;
}
#activity-dialog .activity-hint summary,#activity-dialog .connection-recap summary{
  min-height:44px;display:list-item;align-content:center;
}
#activity-dialog .activity-sources a{overflow-wrap:anywhere}
@media(max-width:599px),(max-width:959px) and (max-height:500px){
  #activity-dialog{inset:0;width:100%;height:100dvh;max-height:100dvh;margin:0;border-radius:0;overflow:hidden}
  #activity-dialog[open]{display:flex;flex-direction:column}
  #activity-dialog:is(.expanded-logo-round,.advanced-model-round) .lesson-top{
    flex:none;padding:max(8px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) 8px max(14px,env(safe-area-inset-left));gap:12px;border-bottom:1px solid var(--line);
  }
  #activity-dialog:is(.expanded-logo-round,.advanced-model-round) .lesson-body{
    flex:1;min-height:0;min-width:0;overflow-y:auto;overscroll-behavior:contain;overflow-anchor:none;scroll-padding-block:16px;
    padding:16px max(16px,env(safe-area-inset-right)) 24px max(16px,env(safe-area-inset-left));
  }
  #activity-dialog .lesson-body h1{font-size:1.5rem;margin-bottom:8px}
  #activity-dialog .lesson-body>.eyebrow{font-size:.75rem;margin-bottom:6px}
  #activity-dialog .match-instructions{font-size:1rem;line-height:1.45;margin-bottom:10px}
  #activity-dialog .timer-note,#activity-dialog .model-round-note,#activity-dialog .model-source-note{font-size:.875rem;line-height:1.5}
  #activity-dialog .timer-note{margin:4px 0 12px}
  #activity-dialog .match-column h2{font-size:.875rem;letter-spacing:.04em;overflow-wrap:anywhere}
  #activity-dialog:is(.expanded-logo-round,.advanced-model-round) .match-column{gap:6px}
  #activity-dialog.expanded-logo-round .match-card{height:auto;min-height:clamp(3.25rem,7dvh,3.75rem);padding:7px;touch-action:manipulation}
  #activity-dialog.expanded-logo-round .match-card.icon-only .brand-asset{width:36px;height:36px}
  #activity-dialog.expanded-logo-round .match-card.company-logo .brand-asset{width:116px;height:30px}
  #activity-dialog.expanded-logo-round .company-logo>span:not(.visually-hidden):not(.pair-check){font-size:.875rem}
  #activity-dialog.advanced-model-round :is(.model-name,.developer-choice){height:auto;min-height:3.25rem;font-size:.9375rem;line-height:1.4;padding:8px;touch-action:manipulation}
  #activity-dialog .lesson-footer{
    position:static;flex:none;padding:10px max(14px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left));gap:10px;
  }
  #activity-dialog .activity-round-status{gap:6px;flex-wrap:wrap}
  #activity-dialog .footer-note{font-size:.875rem;margin:0}
  #activity-dialog .activity-timer{padding:5px 7px}
  #activity-dialog .activity-timer span{font-size:.875rem}
  #activity-dialog .activity-timer strong{font-size:1rem}
  #activity-dialog .lesson-footer :is(.primary,.secondary){padding:10px 12px;font-size:.875rem}
  #activity-dialog .feedback{padding:16px;margin-top:20px}
  #activity-dialog .feedback p,#activity-dialog .connection-recap p{font-size:1rem;overflow-wrap:anywhere}
  #activity-dialog .activity-sources{font-size:.875rem;line-height:1.6}
  #activity-dialog .activity-sources a{display:inline-block;min-height:44px;align-content:center}
  #activity-dialog .logo-results{grid-template-columns:minmax(0,1fr);min-width:0}
  #activity-dialog .logo-share{max-width:390px;justify-self:center}
  #activity-dialog .result-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  #activity-dialog .result-stat{min-width:0;padding:12px}
  #activity-dialog .result-stat strong{font-size:clamp(1.25rem,6vw,2rem);overflow-wrap:anywhere}
  #activity-dialog .result-stat span,#activity-dialog .share-status{font-size:.875rem}
  #activity-dialog .note-copy>p{font-size:1rem}
  #activity-dialog .note-heading{flex-wrap:wrap;gap:4px}
  #activity-dialog .note-controls{flex-wrap:wrap}
  #activity-dialog .note-controls button{flex:1 1 72px;font-size:.875rem}
  #activity-dialog .note-sources,#activity-dialog .note-sources :is(a,p){font-size:.875rem}
  #activity-dialog .ai-research-card p{font-size:1rem}
  #activity-dialog .ai-research-card a{font-size:.875rem}
}
@media(max-width:359px){
  .games-page>:is(.activity-teaser,.model-teaser){padding:18px;gap:16px}
  .games-page .teaser-model-names{width:100%;gap:6px}
  .games-page .teaser-model-names span{padding:12px 8px}
}
#activity-dialog.expanded-logo-round .company-logo:has(.brand-caption){gap:2px}
#activity-dialog.expanded-logo-round .company-logo:has(.brand-caption) .brand-asset{height:20px}
@media(prefers-reduced-motion:reduce){
  .games-page *,#activity-dialog *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

.games-intro{grid-column:1/-1;min-width:0;container-type:inline-size}

#activity-dialog .matching-section{border-radius:12px;margin-top:18px}
#activity-dialog .matching-section:focus-visible{outline:2px solid var(--blue);outline-offset:6px}
#activity-dialog .match-status{min-height:24px;margin:0;color:var(--muted);font-size:.85rem;line-height:24px;font-weight:600}
#activity-dialog .match-status.correct{color:#246943}
#activity-dialog .match-status.retry{color:#914e19}
#activity-dialog .matching-section .match-board{margin-top:10px}
@media(max-width:599px),(max-width:959px) and (max-height:500px){
  #activity-dialog .match-status{font-size:.875rem;line-height:1.5;min-height:1.5em}
}