/* =====================================================
   GLOBAL STYLES
   ===================================================== */

body {
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
}

/* =====================================================
   BUTTON STYLES
   ===================================================== */

button {
  margin: 10px;
  padding: 10px 20px;

  border: none;
  border-radius: 6px;

  cursor: pointer;
  font-size: 16px;

  color: white;
}

#startWebcam {
  background: #4caf50;
}

#stopWebcam {
  background: #be2424;
}

#capturePhoto {
  background: #d8db25;
  color: black;
}

#downloadAll {
  background: #2196f3;
}

/* =====================================================
   VIDEO STYLE
   ===================================================== */

video {
  width: 640px;
  height: 480px;

  border-radius: 35px;
  border: 5px solid #4caf50;

  margin: 20px auto;

  display: block;

  box-shadow:
    0 4px 8px rgba(0, 0, 0, 0.2),
    0 6px 20px rgba(0, 0, 0, 0.19);
}

/* =====================================================
   PAGE LAYOUT
   ===================================================== */

#container {
  display: flex;
}

#links,
#rechts {
  width: 30%;
  padding-top: 2%;
}

#unten {
  width: 100%;

  display: flex;
  flex-wrap: wrap;
  gap: 10px;

  justify-content: center;
}

/* =====================================================
   PHOTO THUMBNAILS
   ===================================================== */

canvas {
  border-radius: 25px;
  margin: 20px auto;
}

.photo-wrapper {
  position: relative;
  display: inline-block;
}

/* =====================================================
   PHOTO ICON BUTTONS
   ===================================================== */

.photo-options {
  position: absolute;

  bottom: 20px;
  right: 5px;

  display: flex;
  gap: 2px;

  opacity: 0;
  transition: opacity 1.5s ease;
}

.photo-options button {
  width: 32px;
  height: 32px;

  border-radius: 50%;

  background: rgba(0, 0, 0, 0.7);
  color: white;

  display: flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;

  transition: 0.2s;
}

.photo-options button:hover {
  background: #4caf50;
  transform: scale(1.05);
}

.photo-wrapper:hover .photo-options {
  opacity: 1;
  transition: 1.5s;
}

/* =====================================================
   POPUP VIEWER
   ===================================================== */

#photoPopup {
  display: none;

  position: fixed;

  top: 0;
  left: 0;

  width: 100%;
  height: 100%;

  background: rgba(0, 0, 0, 0.7);

  justify-content: center;
  align-items: center;

  z-index: 1000;
}

#popupContent {
  position: relative;

  background: white;

  padding: 10px;

  border-radius: 15px;

  max-width: 90%;
  max-height: 90%;

  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

#popupContent img {
  max-width: 100%;
  max-height: 80vh;

  border-radius: 10px;
}

/* Close button */

#popupClose {
  position: absolute;

  top: -10px;
  right: -10px;

  width: 35px;
  height: 35px;

  border-radius: 50%;

  background: red;
  color: white;

  border: none;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 20px;

  cursor: pointer;
}