:root{color-scheme:light;--blue:#265ad9;--ink:#182339;--muted:#637087}*{box-sizing:border-box}body{margin:0;background:#f3f5f8;color:var(--ink);font:15px system-ui,-apple-system,sans-serif}header{height:76px;background:white;border-bottom:1px solid #e1e6ef;display:flex;align-items:center;gap:24px;padding:0 5%}header>span{color:var(--muted);flex:1}.brand{color:inherit;text-decoration:none;font-weight:700;font-size:21px;display:flex;gap:12px;align-items:center}.brand b{background:var(--blue);color:white;padding:7px 13px;border-radius:11px}main{max-width:1500px;padding:32px;margin:auto}.card{background:white;border:1px solid #e0e5ed;border-radius:16px;padding:28px}#login{max-width:540px;margin:36px auto}h1{font-size:30px;letter-spacing:-1px}h2{font-size:17px;margin:0 0 18px}p{color:var(--muted);line-height:1.55}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.3px}label{display:block;margin:20px 0 8px;font-weight:550}input,textarea,select,button{font:inherit;border:1px solid #d4dce8;border-radius:9px;padding:11px 13px;background:white;color:inherit}input:not([type=checkbox]):not([type=file]),textarea{width:100%}button{cursor:pointer}button:hover{background:#eef3fc}button:disabled{opacity:.5;cursor:default}.primary{background:var(--blue);color:white;width:100%;margin-top:24px;font-weight:650}.primary:hover{background:#194bc1}.check{display:flex;align-items:center;gap:9px;font-size:14px;margin:12px 0}.check input{width:17px;height:17px}.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:16px}.toolbar strong{margin-right:auto}#screenWrap{background:#111927;border-radius:12px;overflow:hidden;text-align:center;position:relative}#screen{display:block;max-width:100%;max-height:76vh;margin:auto;touch-action:none;outline:none}#screen:focus{box-shadow:inset 0 0 0 2px #719afc}#loading{color:white}#screenWrap:fullscreen{display:flex;align-items:center;justify-content:center}#screenWrap:fullscreen canvas{max-height:100vh} .panels{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panels>article:last-child{grid-column:1/-1}.buttons{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.buttons input{flex:1}#status{padding:8px;text-align:center}.code{text-align:center;font-size:42px;letter-spacing:7px;color:var(--ink)}#files{display:grid;gap:7px;margin-top:12px}#files button{text-align:left}progress{width:100%}#messages{max-height:220px;overflow:auto;white-space:pre-wrap}#messages p{margin:7px 0}details{margin-top:24px;font-size:13px}#special{display:none}[hidden]{display:none!important}.hint{font-size:13px}@media(max-width:700px){header{padding:15px;height:auto;flex-wrap:wrap;gap:12px}header>span{font-size:12px}main{padding:16px}.panels{grid-template-columns:1fr}.card{padding:20px}#login{margin:15px auto}h1{font-size:25px}.toolbar button,.toolbar select{padding:9px}#screen{max-height:65vh}}
.panels{grid-template-columns:repeat(2,minmax(0,1fr))}.panels>.card{min-width:0}input[type=file]{max-width:100%;width:100%}.buttons input{min-width:0}@media(max-width:700px){.panels{grid-template-columns:minmax(0,1fr)}}
.version{color:var(--muted);font-size:12px;white-space:nowrap}

/* ---- 0.18: Handy und Tablet ---- */
/* Bedienelemente mindestens 24 px, bei Fingerbedienung 44 px (WCAG 2.5.8 / 2.5.5) */
:root{--target:24px}
@media (pointer:coarse){:root{--target:44px}}
:where(button,select,input:not([type=checkbox]):not([type=file]),textarea,label.check){min-block-size:var(--target)}
:where(button){min-inline-size:var(--target)}
/* Kein Doppeltipp-Zoom auf Knöpfen (schnellere Reaktion); das Bild selbst verarbeitet alle Gesten selbst */
button,select,label,.toolbar,.keys{touch-action:manipulation}
#screenWrap{touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
#screen{transform-origin:0 0}
h1,h2{text-wrap:balance}
.touch-only{display:none}
@media (pointer:coarse){.touch-only{display:inline-flex;align-items:center;justify-content:center}}
.danger{color:#b4232a;border-color:#efc2c4}
.toolbar [aria-pressed=true]#keyboard,.keys [aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}
#touchCursor{position:absolute;left:0;top:0;width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:50%;border:2px solid #fff;background:rgba(38,90,217,.5);box-shadow:0 0 0 1px rgba(0,0,0,.55);pointer-events:none}
.keys{display:flex;gap:6px;overflow-x:auto;padding:6px 0;scrollbar-width:none;overscroll-behavior-x:contain}
.keys button{flex:none;padding:6px 12px}
/* Unsichtbares Eingabefeld für die Bildschirmtastatur; 16 px verhindert das automatische Hineinzoomen von iOS */
.kbd-sink{position:fixed;left:0;bottom:0;width:1px;height:1px;min-block-size:0;opacity:0;font-size:16px;border:0;padding:0;resize:none;pointer-events:none}
#touchHint{display:none}
/* Sitzung am Handy/Tablet: Bild füllt den Bildschirm (dvh berücksichtigt ein- und ausblendende Browserleisten) */
@media (pointer:coarse) and (max-width:1100px){
  body.in-session{background:#111927}
  body.in-session header{display:none}
  body.in-session main{padding:0;max-width:none}
  body.in-session .stage{display:flex;flex-direction:column;height:100vh;height:100dvh;height:var(--vvh,100dvh);padding:env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0);background:#111927}
  body.in-session .toolbar{margin:0;padding:6px 8px;gap:6px;background:#fff;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  body.in-session .toolbar>*{flex:none}
  body.in-session .toolbar strong{max-width:9em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  body.in-session #screenWrap{flex:1;min-height:0;border-radius:0;display:flex;align-items:center;justify-content:center}
  body.in-session #screen{max-height:100%;max-width:100%}
  body.in-session .keys{background:#fff;padding:6px 8px;margin:0}
  body.in-session #touchHint{display:block;position:absolute;left:8px;right:8px;bottom:8px;margin:0;padding:8px 12px;border-radius:12px;background:rgba(17,25,39,.88);color:#fff;font-size:13px;line-height:1.45;text-align:left;pointer-events:none;opacity:0;transition:opacity .3s}
  body.in-session #touchHint.show{opacity:1}
  body.in-session #touchHint[data-tip]:not([data-tip=''])::before{content:attr(data-tip);display:block;font-weight:600;margin-bottom:4px}
  body.in-session #tools{padding:12px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0))}
  body.in-session #status{position:fixed;left:50%;top:calc(92px + env(safe-area-inset-top,0));transform:translateX(-50%);width:max-content;max-width:calc(100vw - 32px);text-align:center;margin:0;padding:6px 14px;border-radius:999px;background:rgba(17,25,39,.88);color:#fff;font-size:13px;pointer-events:none;opacity:0;transition:opacity .25s}
  body.in-session #status.show{opacity:1}
}
.stage:fullscreen{display:flex;flex-direction:column;background:#111927}
.stage:fullscreen #screenWrap{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;border-radius:0}
.stage:fullscreen #screen{max-height:100%;max-width:100%}
@media (prefers-reduced-motion:reduce){#status,#touchHint{transition:none}}