/* Made AI uses the same paper cards, blue strokes and rounded shapes as the
   feature illustrations. The existing scroll controller owns all motion. */
#ai, #ai .ai-stage{background:#FFFFFF;color:#0A0A0A}
#ai .ai-stage{min-height:0;padding:30px 5vw 70px}
#ai .ai-layout{grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,72px);max-width:1200px}
#ai .ai-copy h2{font-family:Sora,Inter,sans-serif;font-weight:600;font-size:clamp(36px,3.65vw,52px);line-height:1.13;letter-spacing:-.055em;color:#0A0A0A}
#ai .ai-copy>p{color:#626262;font-size:15px;line-height:1.7;max-width:355px}
#ai .ai-copy .section-label{color:#2563EB}
#ai .ai-chapter{position:relative;isolation:isolate;overflow:hidden;border:1px solid #2563EB;border-radius:22px;background:#2563EB;padding:23px 25px 24px;margin-top:30px;min-height:152px;box-shadow:0 9px 0 #EFF6FF}
#ai .ai-chapter::before,#ai .ai-chapter::after{content:"";position:absolute;z-index:-1;border:1px solid #FFFFFF29;border-radius:50%;pointer-events:none}
#ai .ai-chapter::before{width:142px;height:142px;right:-48px;top:-69px}
#ai .ai-chapter::after{width:86px;height:86px;right:-20px;top:-41px}
#ai .ai-chapter strong{font-family:Sora,Inter,sans-serif;color:#FFFFFF;font-size:23px;line-height:1.3;letter-spacing:-.045em;max-width:345px}
#ai .ai-chapter span{color:#FFFFFF;font-size:14px;line-height:1.65;max-width:320px;margin-top:10px}

#ai .chat-shell{position:relative;isolation:isolate;min-width:0}
#ai .chat-shell::before{content:"";position:absolute;z-index:-1;inset:7px -7px -7px 9px;border:1px solid #B9D1FF;border-radius:24px;background:#EFF6FF;transform:rotate(1.3deg);pointer-events:none}
#ai .context-ribbon{color:#626262;font-size:10px;padding:0 12px 13px;gap:7px}
#ai .context-ribbon strong{font-size:10px;color:#2B2B2B;font-weight:500}
#ai .mini-mark{color:#2563EB;font-size:18px}
#ai .context-dot{background:#2563EB;width:6px;height:6px}
#ai .chat{border:2px solid #2563EB;border-radius:23px;background:#FFFFFF;box-shadow:0 18px 40px #172C550C}
#ai .chat-header{background:#FFFFFF;border-bottom:1px solid #D8E4FB;padding:17px 20px;gap:13px}
#ai .chat-header .logo-live{width:48px;height:48px;border-radius:14px;background:#2B2B2B;box-shadow:none}
#ai .logo-live img{width:28px;left:10px;top:17px}
#ai .chat-header strong{color:#0A0A0A;font-size:16px;letter-spacing:-.025em}
#ai .chat-header p{font-size:11px;color:#626262;margin-top:4px;line-height:1.4}
#ai .chat-status{font-size:10px;color:#1D4ED8;gap:6px;white-space:nowrap}
#ai .chat-status::before{width:6px;height:6px;background:#2563EB}
#ai .chat-viewport{height:400px;padding:23px 23px 18px;background:#FFFFFF;overflow-x:hidden;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#B9D1FF transparent;mask-image:linear-gradient(transparent,#000 10px,#000)}
#ai .user-message{color:#FFFFFF;background:#2563EB;border:1px solid #2563EB;border-radius:18px 18px 4px 18px;font-size:13px;line-height:1.6;padding:12px 16px;max-width:89%;margin-bottom:16px;box-shadow:none}
#ai .assistant-message{color:#2B2B2B;font-size:13px;line-height:1.6}
#ai .assistant-message strong{font-size:17px;font-weight:600;line-height:1.35;color:#0A0A0A;letter-spacing:-.025em;margin-bottom:7px}
#ai .answer-body{color:#626262;font-size:12px;line-height:1.65;max-width:100%}
#ai .ai-result{display:grid;gap:7px;background:transparent;border:0;border-radius:0;overflow:visible;box-shadow:none;margin-top:14px}
#ai .ai-result>div{display:grid;grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:10px;border:1px solid #DEDEDE;border-radius:12px;background:#FFFFFF;padding:10px 11px;min-height:47px;font-size:12px;color:#2B2B2B;line-height:1.4}
#ai .ai-result>div:first-child{border-color:#B9D1FF;background:#EFF6FF}
#ai .ai-result>div:last-child{border:1px solid #DEDEDE}
#ai .ai-result>div>span::before{content:none}
#ai .result-icon{width:28px;height:28px;background:#EFF6FF;border-radius:8px;display:grid;place-items:center;color:#2563EB}
#ai .result-icon svg{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
#ai .ai-result small{font-size:9px;line-height:1.35;color:#626262;max-width:86px;text-align:right}
#ai .typing{left:2px;gap:6px}
#ai .typing i{background:#2563EB;width:6px;height:6px}
/* Each layer grows from its conversational edge. The scroll controller owns
   these transforms: no CSS transition can lag behind a direction change. */
#ai .user-message{transform-origin:100% 100%}
#ai .assistant-message,#ai .assistant-message strong,#ai .answer-body{transform-origin:0 0}
#ai .assistant-message{overflow:visible}
#ai .ai-result>div{transform-origin:0 50%}
#ai .typing{transform-origin:0 100%;border:1px solid #D8E4FB;background:#EFF6FF;border-radius:12px 12px 12px 3px;padding:11px 13px}
#ai .typing[hidden]{display:none}
#ai .composer{margin:0 17px 17px;border:1px solid #B9D1FF;background:#EFF6FF;border-radius:999px;padding:8px 9px 8px 15px;gap:10px;color:#626262;font-size:12px;min-height:46px}
#ai .send-arrow{background:#2563EB;color:#FFFFFF;width:30px;height:30px;flex-shrink:0;font-size:20px}
#ai .context-files{gap:7px;justify-content:center;margin-top:16px;flex-wrap:wrap}
#ai .context-files span{border:1px solid #DEDEDE;border-radius:8px;background:#FFFFFF;color:#626262;font-size:9px;padding:6px 9px}
#ai .ai-stage .stage-nav{border:1px solid #DEDEDE;background:#FFFFFF;border-radius:999px;padding:5px;gap:3px;margin-top:22px;flex-shrink:0;box-shadow:none}
#ai .stage-nav button{border:0;border-radius:999px;min-height:40px;padding:9px 18px;color:#626262;background:transparent;font-size:12px}
#ai .stage-nav button[aria-current=step],#ai .stage-nav button[aria-current=step]:hover{background:#2563EB;color:#FFFFFF}
#ai .stage-nav button:hover{background:#EFF6FF;color:#1D4ED8}
#ai .stage-nav button:focus-visible{outline:2px solid #2563EB;outline-offset:2px}
#ai .ai-footnote{color:#626262;font-size:10px;margin-top:12px}
#ai .scene-foot{color:#626262;font-size:11px}
#ai .scene-foot a{color:#1D4ED8}

@media(max-height:800px) and (min-width:900px){
 #ai .ai-stage{padding-top:18px;padding-bottom:65px}
 #ai .chat-viewport{height:310px;padding-top:18px}
 #ai .chat-header{padding:13px 18px}
 #ai .ai-copy h2{font-size:38px}
 #ai .ai-chapter{margin-top:24px;padding:19px 22px 20px;min-height:134px}
 #ai .ai-stage .stage-nav{margin-top:15px}
}
@media(max-width:899px){
 #ai .ai-stage{padding:24px 25px 65px}
 #ai .ai-layout{grid-template-columns:1fr;max-width:560px;gap:21px}
 #ai .ai-copy h2{font-size:34px;max-width:520px}
 #ai .ai-copy h2 br{display:none}
 #ai .ai-copy>p{font-size:13px;max-width:480px;margin-top:12px}
 /* Trade the repeated introduction for the active chapter on compact stages. */
 body:not(.reading) #ai .ai-copy>p{display:none}
 #ai .ai-chapter{display:block;margin-top:15px;padding:13px 17px;min-height:0;border-radius:14px;box-shadow:0 5px 0 #EFF6FF}
 #ai .ai-chapter strong{font-size:18px;line-height:1.35;max-width:none}
 #ai .ai-chapter span{display:block;font-size:12px;line-height:1.5;max-width:none;margin-top:5px}
 #ai .chat-viewport{height:360px}
 #ai .chat-header{padding:13px 17px}
 #ai .chat-header .logo-live{width:42px;height:42px;border-radius:12px}
 #ai .logo-live img{width:24px;left:9px;top:15px}
 #ai .ai-stage .stage-nav{margin-top:18px;max-width:100%;gap:2px}
 #ai .stage-nav button{font-size:11px;padding:9px 15px}
}
@media(max-width:540px){
 #ai .ai-stage{padding:20px 20px 64px}
 #ai .ai-layout{gap:17px;margin:auto}
 #ai .ai-copy h2{font-size:29px;line-height:1.15;max-width:360px}
 #ai .ai-copy>p{font-size:12px;line-height:1.6;margin-top:10px}
 #ai .ai-chapter{margin-top:12px;padding:11px 14px;border-radius:12px}
 #ai .ai-chapter strong{font-size:16px;line-height:1.4}
 #ai .context-ribbon{font-size:9px;padding:0 6px 9px;gap:5px}
 #ai .context-ribbon strong{font-size:9px}
 #ai .mini-mark{font-size:15px}
 #ai .chat{border-radius:18px}
 #ai .chat-shell::before{inset:5px -5px -6px 7px;border-radius:19px}
 #ai .chat-header{padding:11px 12px;gap:10px}
 #ai .chat-header .logo-live{width:36px;height:36px;border-radius:10px}
 #ai .logo-live img{width:22px;left:7px;top:13px}
 #ai .chat-header strong{font-size:14px}
 #ai .chat-header p{font-size:9px;max-width:150px;margin-top:3px}
 #ai .chat-status{font-size:8px;gap:4px}
 #ai .chat-status::before{height:4px;width:4px}
 #ai .chat-viewport{height:330px;padding:16px 14px 12px}
 #ai .user-message{font-size:12px;padding:10px 12px;max-width:92%;border-radius:15px 15px 4px 15px}
 #ai .assistant-message strong{font-size:15px}
 #ai .answer-body{font-size:11px;line-height:1.6}
 #ai .ai-result{gap:6px;margin-top:11px}
 #ai .ai-result>div{grid-template-columns:24px minmax(0,1fr) auto;gap:7px;min-height:42px;padding:8px;font-size:11px;border-radius:10px}
 #ai .result-icon{width:24px;height:24px;border-radius:7px}
 #ai .result-icon svg{width:17px;height:17px}
 #ai .ai-result small{font-size:8px;max-width:69px}
 #ai .composer{margin:0 12px 12px;font-size:11px;min-height:40px;padding:6px 7px 6px 12px}
 #ai .send-arrow{width:27px;height:27px;font-size:18px}
 #ai .context-files{gap:5px;margin-top:12px}
 #ai .context-files span{font-size:8px;padding:5px 6px}
 #ai .ai-stage .stage-nav{padding:4px;margin-top:15px;gap:0}
 #ai .stage-nav button{font-size:10px;padding:8px 10px;min-height:38px}
 #ai .ai-footnote{font-size:8px;margin-top:9px}
 #ai .scene-foot{font-size:9px;padding-inline:20px}
}
@media(max-height:740px) and (max-width:540px){
 #ai .ai-stage{padding-top:17px;padding-bottom:58px}
 #ai .ai-layout{gap:14px;margin:0 auto}
 #ai .ai-copy h2{font-size:25px}
 /* Short phones keep their space for the conversation and chapter controls. */
 #ai .ai-chapter{display:block;padding:10px 13px;margin-top:10px}
 #ai .chat-viewport{height:260px}
 #ai .context-files{margin-top:8px}
 #ai .ai-stage .stage-nav{margin-top:12px}
}
body.reading #ai .ai-stage{height:auto;min-height:0;padding-block:64px;overflow:visible}
body.reading #ai .chat-viewport{height:auto;overflow:visible;mask-image:none}
body.reading #ai .ai-copy>p{display:block}
body.reading #ai .ai-chapter{display:block;padding:10px 13px;margin-top:10px}
body.reading #ai .chat-shell::before{display:none}
body.reading #ai .ai-stage .stage-nav{display:none}
body.reading #ai .exchange{padding-bottom:32px}
body.reading #ai .user-message,body.reading #ai .assistant-message,body.reading #ai .assistant-message strong,body.reading #ai .answer-body,body.reading #ai .ai-result>div{opacity:1;transform:none}
@media(max-width:540px){body.reading #ai .ai-copy h2{font-size:29px}}

/* The active chapter is useful context on a phone, too. Reserve its space so
   changing chapters never shifts the chat or its navigation during a journey. */
@media (min-width: 350px) and (max-width: 899px) {
  #ai .ai-chapter { min-height: 83px; }
  #ai .chat-shell::before { inset: 5px -5px -6px 7px; }
}
@media (max-width: 540px) and (min-height: 801px) {
  #ai .ai-stage { padding: 20px 18px 40px; }
  #ai .ai-layout { gap: 17px; }
  #ai .ai-chapter { padding: 12px 15px; }
  #ai .ai-chapter span { font-size: 12px; line-height: 1.5; }
  #ai .chat-viewport { height: clamp(280px, calc(100svh - 490px), 420px); }
  #ai .ai-footnote { margin-top: 8px; }
  #ai .scene-foot { padding-block: 12px; }
}
@media (max-width: 540px) and (max-height: 800px) {
  #ai .ai-stage { padding: 10px 18px 14px; }
  #ai .ai-copy h2 { font-size: 21px; line-height: 1.15; max-width: none; }
  #ai .ai-chapter { min-height: 70px; }
  #ai .ai-chapter strong { font-size: 15px; }
  #ai .ai-chapter span { display: block; font-size: 11px; line-height: 1.5; }
  #ai .chat-viewport { height: clamp(200px, calc(100svh - 400px), 280px); }
  #ai .ai-footnote, #ai .scene-foot { display: none; }
  body.reading #ai .ai-stage { padding-block: 52px; }
  body.reading #ai .chat-viewport { height: auto; }
}

/* Compact phones keep a usable conversation window. Larger screens use the
   additional space for the chat rather than capping it at a short strip. */
@media (max-width: 540px) and (max-height: 800px) {
  #ai .ai-layout { gap: 12px; }
  #ai .ai-stage .stage-nav { margin-top: 8px; }
  #ai .chat-header { padding-block: 8px; }
}
@media (max-width: 540px) and (max-height: 620px) {
  #ai .ai-copy h2 { font-size: 19px; }
  #ai .ai-chapter { min-height: 64px; padding: 8px 12px; }
  #ai .ai-chapter strong { font-size: 14px; }
  #ai .ai-chapter span { font-size: 10px; }
}

#ai .chat-viewport:focus-visible{outline:2px solid #2563EB;outline-offset:-3px}
#ai .thread{will-change:auto}

/* Preserve the full conversation and a clear top inset on medium-height
   phones; utility spacing yields before the chat window does. */
@media (max-width: 540px) and (min-height: 801px) and (max-height: 900px) {
  #ai .ai-stage { justify-content: safe center; }
  #ai .ai-layout { gap: 12px; }
  #ai .ai-copy h2 { font-size: 26px; line-height: 1.15; }
  #ai .ai-chapter { min-height: 76px; padding: 10px 14px; }
  #ai .chat-header { padding-block: 7px; }
  #ai .ai-stage .stage-nav { margin-top: 8px; }
  #ai .ai-footnote { margin-top: 4px; }
}