:root {
      --bg-color: #ffffff;
      --primary-color: #2563eb;
      --primary-hover: #1d4ed8;
      --text-color: #111827;
      --text-muted: #6b7280;
      --border-color: #dcdcdc;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Arial, sans-serif;
      background: var(--bg-color);
      color: var(--text-color);
      /* padding: 15px; */
    }

    h1 {
      margin: 0 0 10px 0;
      font-size: 14px;
      font-weight: bold;
    }

    p {
      margin: 0 0 10px 0;
      font-size: 14px;
    }

    .puntodeventa85 {
      width: 20px;
      position: absolute;
      top: 10px;
      right: 12px;
      filter: invert(80%) sepia(89%) saturate(1558%) hue-rotate(174deg) brightness(98%) contrast(90%);
      cursor: pointer;
    }
    .puntodeventa85:hover {
      opacity: 0.5;
    }

    .tutorial-container {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 15px;
      background: #fff;
    }

    .video-column {
      display: flex;
      flex-direction: column;
    }

    .video-wrapper {
      position: relative;
      width: 100%;
      padding-top: 56.25%; /* 16:9 */
      overflow: hidden;
      background: #000;
      border: 1px solid var(--border-color);
    }

    .video-wrapper iframe,
    .video-wrapper video {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      border: 0;
      background: #000;
    }

    .current-title {
      font-size: 14px;
      font-weight: bold;
      margin-top: 5px;
    }

    /* Sección de descripción del video */
    .description-section {
      font-size: 14px;
    }

    .description-section h2 {
      margin: 0 0 5px 0;
      font-size: 14px;
      font-weight: bold;
    }

    .description-content p {
      margin: 0;
    }

    .description-content a {
      color: var(--primary-color);
      text-decoration: none;
    }

    .description-content a:hover {
      text-decoration: underline;
    }

    .comments-section {
      margin-top: 14px;
      padding: 14px;
      border: 1px solid var(--border-color);
      background: #fafafa;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .comments-section h2 {
      margin: 0;
      font-size: 14px;
      font-weight: bold;
    }

    .comments-section input[type="text"],
    .comments-section textarea {
      width: 100%;
      padding: 10px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      background: #fff;
      font-family: inherit;
      resize: vertical;
    }

    .comments-section button {
      padding: 5px 15px;
      border: none;
      cursor: pointer;
      background: var(--primary-color);
      color: #ffffff;
      font-size: 14px;
      font-weight: 500;
    }

    .comments-section button:hover {
      background: var(--primary-hover);
    }

    .comment-list {
      list-style: none;
      padding: 0;
      margin: 5px 0 0;
      max-height: 200px;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .comment-item {
      padding: 6px 8px;
      border: 1px solid var(--border-color);
      background: #fff;
      font-size: 14px;
    }

    .comment-meta {
      display: flex;
      justify-content: space-between;
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 3px;
    }

    .list-column {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .list-header h2 {
      font-size: 14px;
      margin: 0;
    }

    /* Contenedor de lista de tutoriales como <div> */
    .tutorial-list {
      padding: 0;
      margin: 0;
      background: #fff;
    }

    .tutorial-item {
      cursor: pointer;
      display: flex;
      gap: 6px;
      font-size: 14px;
    }

    .tutorial-item:last-child {
      border-bottom: none;
    }

    .tutorial-item-index {
      width: 24px;
      text-align: left;
      font-size: 14px;
    }

    .tutorial-item-title {
      flex: 1;
    }

    .tutorial-item:hover {
      font-weight: bold;
    }

    .tutorial-item.active {
      font-weight: bold;
    }

    @media (max-width: 900px) {
      .tutorial-container {
        grid-template-columns: 1fr;
      }
    }
.tutorial-section {
  padding: 0;
  font-size: 16px;
  font-weight: bold;
}