:root { --pad: 16px; --color-01: #2b9df4; font-family: Helvetica, -apple-system, system-ui, Segoe UI, Roboto, sans-serif; }
  body { margin: 0; background:#0b0f14; color:#e8eef4; line-height: 1.325em; }
  a { color: var(--color-01); text-decoration: none; } /* #9FD3FF */
  h2 { line-height: 1.325em; color: var(--color-01); }
  .visually-hidden { position:absolute !important; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0; }

  header { padding: var(--pad); }
  header h1 { font-size: 1.5; line-height: 1.25em; margin-bottom: 0.5em; color: var(--color-01); padding-right: 120px; }
  .controls-container { padding: 0 var(--pad); display:flex; gap:8px; align-items:center; flex-wrap:wrap; order:-3; }
  .controls { display:flex; gap:12px; align-items:center; flex-wrap:wrap; }
  select, button { background:#1a222b; color:#e8eef4; border:1px solid #2b3642; border-radius:10px; padding:8px 12px; }
  button.primary { background:#2b9df4; border-color:#2b9df4; color:white; }
  #status { margin-left:auto; font-size:12px; opacity:.8; max-width:560px; }

  main { display:flex; flex-direction:column; gap:24px; }
  /* DOM: copy zuerst, tool danach; visuell: tool nach oben */
  .section { padding: 0 var(--pad); }
  .section--tool { order:-2; padding: 0 2px; }
  .section--tool .note { padding: 0 var(--pad); }

  /* Tool styles */
  .tool-wrap { display:grid; gap:16px; }
  canvas { width:100%; height:140px; background:#0f141b; border:1px solid #2b3642; border-radius:14px; }
  .note { font-size:12px; opacity:.85; }
  #sysinfo { padding: 0 var(--pad); font-size:13px; color:#9aa3aa; }

  
  #refLen { color: #fff; }
  #calibDialog { padding: var(--pad); order:-2; }
  .dlg { /* background:#0f141b; color:#e8eef4; border:1px solid #2b3642; border-radius:16px; padding:20px;*/}
  .row { display:grid; gap:12px; }
  .caliline { display:flex; align-items:center; gap:12px; }
.calibox { border:1px dashed #6FC1FA; border-radius: 12px; height:54px; resize:horizontal; min-width:40px; max-width:90vw; background:repeating-linear-gradient(90deg, rgba(111,193,250,.075) 0 8px, transparent 8px 16px); margin-bottom: 2px; box-sizing: border-box; position: relative; }
/* Große, deutliche Griffe */
.calibox .caligrip{ position:absolute; top:0; right:-8px; width:32px; height:100%; cursor: ew-resize; display:flex; align-items:center; justify-content:center; touch-action:none; z-index:2; }
.calibox .caligrip::before{ content:""; width:6px; height:48px; border-radius:3px; background: repeating-linear-gradient(180deg, rgba(111,193,250,.95) 0 3px, rgba(111,193,250,.4) 3px 6px); box-shadow: 0 0 0 2px rgba(111,193,250,.25); }
/* Vertikaler Griff unten für Mobile */
.calibox .caligrip-bottom{ position: absolute; left: 0; bottom: -8px; top:auto; width:100%; height:32px; cursor: ns-resize; z-index:2; align-items: center; justify-content: center;}
.calibox .caligrip-bottom::before{ content:""; height:6px; width:48px; border-radius:3px; background: repeating-linear-gradient(90deg, rgba(111,193,250,.95) 0 3px, rgba(111,193,250,.4) 3px 6px); box-shadow: 0 0 0 2px rgba(111,193,250,.25); }
/* Sichtbarkeit je nach Modus */
.calibox .caligrip{ display:flex; }
.calibox .caligrip-bottom{ display:none; }
@media (max-width:520px){
    .caliline{ flex-wrap: wrap; }
  .calibox{ width:54px; height:200px; resize:vertical; padding-bottom: 24px; background:repeating-linear-gradient(0deg, rgba(111,193,250,.075) 0 8px, transparent 8px 16px); }
  .calibox .caligrip{ display:none; }
  .calibox .caligrip-bottom{ display:flex; }
}
  .kbd { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background:#121923; border:1px solid #2b3642; border-radius:8px; padding:2px 6px; }
  input.kbd { border-radius:10px; padding:8px 6px; }
  #tool { scroll-margin-top: 12px; }
  
  footer { padding: var(--pad); }
  footer .section { text-align: center; border-top: 1px solid #2b9df4; }
  
  .lang-switch{ display:flex; gap:8px; align-items:center; padding:0 16px 12px; display: flex;
  gap: 8px;
  align-items: center;
  padding: 0 16px 12px;
  position: absolute;
  top: 16px;
  right: 0;
  }
	.lang-switch a {
	  /*background:#1a222b; color:#e8eef4; border:1px solid #2b3642;
	  border-radius:10px; padding:6px 10px; cursor:pointer;*/
	    background: #1a222b;
	  color: #e8eef4;
	  border: 1px solid #2b3642;
	  border-radius: 10px;
	  padding: 8px 12px;
	  text-decoration: none;
	}
	.lang-switch button[aria-current="true"]{ outline:2px solid #6FC1FA; }
	.soft-lang-bar{
	  position:fixed; left:12px; right:12px; bottom:12px; z-index:9999;
	  background:#121923; color:#e8eef4; border:1px solid #2b3642;
	  border-radius:12px; padding:10px 12px; display:flex; gap:12px;
	  align-items:center; justify-content:space-between; box-shadow:0 8px 24px rgba(0,0,0,.35);
	}
	.soft-lang-bar a, .soft-lang-bar button{
	  color:#9FD3FF; background:transparent; border:none; cursor:pointer; padding:0;
	}