/* ===== Farbvariablen ===== */
    :root {
      --bg-color: #121212;
      --text-color: #e0e0e0;
      --accent: #66aacc;
      --card-bg: #1f1f1f;
    }

    /* ===== Grundlayout ===== */
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      margin: 0;
      background-color: var(--bg-color);
      color: var(--text-color);
    }

    body,
    svg {
      user-select: none;
      /* Standard CSS */
      -webkit-user-select: none;
      /* Chrome/Safari */
      -moz-user-select: none;
      /* Firefox */
      -ms-user-select: none;
      /* IE/Edge */
    }


    rect,
    circle {
      cursor: pointer;
    }

    #g1 image {
      cursor: pointer;
      pointer-events: all;
    }

    h1,
    h2,
    h3 {
      color: var(--accent);
      margin-top: 1.2em;
      margin-bottom: 0.6em;
    }

    p,
    ul,
    ol {
      margin-bottom: 1em;
    }

    .highlight {
      color: var(--accent);
      font-weight: bold;
    }

    .container {
      max-width: 900px;
      margin: 0 auto;
      padding: 2em 1em;
    }

    /* ===== Karten ===== */
    .card {
      background-color: var(--card-bg);
      padding: 1.5em;
      border-radius: 10px;
      margin-bottom: 1.5em;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
    }

    .quickstart {
      border-left: 4px solid var(--accent);
    }

    .quickstart-list li::before {
      content: "→";
      margin-right: 0.6em;
      color: var(--accent);
    }

    .quickstart-list li {
      background-color: rgba(102, 170, 204, 0.05);
      padding: 0.6em 0.8em;
      margin-bottom: 0.5em;
      border-radius: 6px;
      transition: background-color 0.2s, transform 0.2s;
    }

    .quickstart-list li:hover {
      background-color: rgba(102, 170, 204, 0.12);
    }

    .center-image {
      text-align: center;
      margin: 2em 0;
    }

    .center-image img {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
    }

    footer {
      text-align: center;
      padding: 1em;
      font-size: 0.9rem;
      color: var(--text-color);
    }

    .list-icon-pot {
      display: inline-block;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      /* Kreis Icon für Drehregler */
      background-color: var(--accent);
      margin-right: 0.4em;
    }

    .list-icon-btn {
      display: inline-block;
      width: 11px;
      height: 11px;
      border-radius: 2px;
      /* leicht abgerundetes Rechteck Icon für Taster */
      background-color: var(--accent);
      margin-right: 0.4em;
    }

    /* ===== LED-Bullets ===== */
    .led {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      display: inline-block;
      background-color: #FF0000;
      margin-left: 1.3em;
      margin-right: 0.5em;
      /* Abstand zum Text, skaliert sauber */
    }

    .led-slow {
      animation: blink-slow 0.5s infinite alternate;
    }

    .led-fast {
      animation: blink-fast 0.07s infinite alternate;
    }

    @keyframes blink-slow {
      from {
        opacity: 0.3;
      }

      to {
        opacity: 1;
      }
    }

    @keyframes blink-fast {
      from {
        opacity: 0.3;
      }

      to {
        opacity: 1;
      }
    }

    /* ===== Panel Dump Infobox ===== */
    .panel-dump {
      background-color: rgba(102, 170, 204, 0.1);
      padding: 0.8em;
      border-left: 4px solid var(--accent);
      border-radius: 6px;
      margin: 1em 0;
    }

    .panel-dump:hover {
      background-color: rgba(102, 170, 204, 0.2);
    }

    /* ===== Fade-in für Text (subtil) ===== */
    .fade-in {
      opacity: 1;
      /* sichtbar von Anfang an */
      transform: translateY(0);
      transition: transform 0.6s ease, color 0.6s ease;
    }

    .fade-in.animate {
      transform: translateY(-5px);
    }

    /* ===== Responsive ===== */
    @media (max-width: 768px) {
      .container {
        padding: 1em;
      }

      h1 {
        font-size: 1.6rem;
      }

      h2 {
        font-size: 1.3rem;
      }

      h3 {
        font-size: 1.1rem;
      }

      .card {
        padding: 1em;
      }

      .center-image {
        margin: 1.5em 0;
      }
    }