:root{--safe-bottom:env(safe-area-inset-bottom,0px);--safe-top:env(safe-area-inset-top,0px)}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{overflow-wrap:anywhere}
button,input,select,summary,a{touch-action:manipulation}
button,input,select{min-height:44px}
button{max-width:100%}
input[type=password]{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:17px}
#session #stage{min-height:0}
#session #main{height:100%;min-height:0}
#session #ctrl{max-width:none;flex:none;border-top:1px solid var(--line);background:var(--bg);padding:12px 18px calc(12px + var(--safe-bottom));gap:8px}
#session #slide{flex:none;margin:auto 0}
#sessionUploadStatus{font-size:13px;color:var(--muted);text-align:center;margin:0;line-height:1.35}
#sessionPause{white-space:nowrap;flex:none}
#sessionMenu{position:relative;flex:none;font-size:14px}
#sessionMenu summary{list-style:none;min-width:52px;min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:var(--panel);cursor:pointer;padding:8px 12px}
#sessionMenu summary::-webkit-details-marker{display:none}
.session-menu-content{position:absolute;right:0;top:50px;z-index:35;width:min(260px,80vw);padding:8px;border:1px solid var(--line);border-radius:12px;background:var(--panel);box-shadow:0 8px 28px #0002;display:grid;gap:6px}
.session-menu-content button{text-align:left;font-size:15px}
#capabilityStatus{max-width:900px;margin:16px auto;padding:16px;border:1px solid var(--line);border-radius:12px}
#cloudCredentials[hidden],#capabilityStatus[hidden]{display:none!important}
#cloudPanel .actions{margin-top:12px}
#privacyReview button{font-size:14px}
#session .part{min-height:44px}
body[data-screen=session]{overflow:hidden}
body[data-screen=session] #session{position:fixed;inset:0;z-index:20;height:100vh;height:100dvh;grid-template-rows:minmax(0,1fr);background:var(--bg);padding-top:var(--safe-top)}
#consentDialog{z-index:50}
@media(min-width:821px){#sessionPause{display:none}#session #ctrl{padding-left:32px;padding-right:32px}}
@media(max-width:820px){
  .screen{padding:24px 18px calc(36px + var(--safe-bottom))}
  .screen h1{font-size:28px}
  .actions{gap:10px}
  button.big{font-size:18px;padding:14px 20px}
  #cloudPanel{margin:12px!important;padding:16px!important}
  #cloudPanel .actions button{flex:1 1 140px}
  #privacyReview{padding:0 12px}
  #privacyReview #privacyContact{font-size:14px}
  #session{grid-template-columns:minmax(0,1fr)}
  #main{height:100%;min-height:0}
  #top{padding:10px 14px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:4px 8px;flex:none}
  #topPart{font-size:16px;font-weight:600;grid-column:1}
  #topProg{font-size:12px!important;grid-column:1}
  #sessionPause{grid-column:2;grid-row:1/3;font-size:14px;padding:8px 12px}
  #sessionMenu{grid-column:3;grid-row:1/3}
  #stage{padding:18px 16px;gap:14px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
  #instr{font-size:14px}
  #slide{gap:12px;width:100%}
  #stext.t-xl{font-size:clamp(25px,6.5vw,36px)}
  #stext.t-l{font-size:clamp(23px,5.5vw,30px)}
  #stext.t-m{font-size:22px}
  #stext.t-s{font-size:18px;line-height:1.55}
  #ctrl #bigbtn{width:76px;height:76px;min-height:76px;flex:none}
  #status{font-size:15px;min-height:22px}
  #doneBtns{width:100%;display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
  #doneBtns button{font-size:15px;padding:10px 6px;white-space:normal;min-width:0}
  #keys{display:none}
  #warns{font-size:14px;max-height:70px;overflow:auto}
  #practiceBanner{font-size:14px}
  #smeter{height:8px}
  #finZip{width:100%}
}
@media(max-height:520px) and (max-width:1000px){
  #side{display:none}
  #session{grid-template-columns:minmax(0,1fr)}
  #sessionPause{display:block}
  #keys{display:none}
  #ctrl #bigbtn{width:52px;height:52px;min-height:52px}
  #session #ctrl{padding-top:6px;padding-bottom:calc(6px + var(--safe-bottom));gap:4px}
  #stage{padding:12px 16px}
  #instr{font-size:13px}
  #top{padding-top:6px;padding-bottom:6px}
  #practiceBanner{display:none!important}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}