/* (A) GALLERY WRAPPER */
/* (A1) BIG SCREENS - 3 VIDEOS PER ROW */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 10px;
  max-width: 1200px;
  margin: 0 auto; /* horizontal center */
}

/* (A2) SMALL SCREENS - 2 VIDEOS PER ROW */
@media screen and (max-width: 768px) {
  .gallery { 
    grid-template-columns: repeat(2, 1fr); 
  }
}

/* (B) GALLERY VIDEOS */
/* (B1) THUMBNAIL VIDEO */
.gallery video {
  width: 100%;
  height: 200px;
  object-fit: cover; 
  cursor: pointer;
}

/* (B2) FULLSCREEN VIDEO */
.gallery video.full {
  position: fixed;
  top: 0; 
  left: 0; 
  z-index: 999;
  width: 100vw; 
  height: 100vh;
  background: #000;
  object-fit: scale-down;
}

/* (C) EXIT FULLSCREEN */
#vClose {
  position: fixed; 
  display: none;
  top: 0; 
  right: 0; 
  z-index: 9999;
  font-size: 20px; 
  font-weight: 700;
  padding: 10px 15px;
  color: #fff;
  background: #741414;
  cursor: pointer;
}
#vClose.show { 
  display: block; 
}

/* (D) VIDEO WRAPPER */
.vWrap {
  color: #fff;
  background: #000;
}

.vCaption { 
  padding: 10px; 
}

/* (E) FOLDER TITLE - ODDĚLENÍ SLOŽEK */
.folderTitle {
  grid-column: 1 / -1;        /* zabere celý řádek gridu */
  text-align: center;
  font-size: 28px;
  font-weight: bold;
  margin: 70px 0 40px 0;
  padding: 15px 0;
  background: #7FF;
  color: #111;
  letter-spacing: 2px;
  border-top: 2px solid #333;
  border-bottom: 2px solid #333;
}

/* (X) WHOLE PAGE */
* {
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
}