/* General styles */
html {
  font-size: 16px; /* Base font size */
}

body {
  margin-left: 10%;
  margin-right: 10%;
  background: linear-gradient(to bottom, lightgray 0%, Wheat 100%);
  line-height: 1.4;
  padding: 0 15px;
  opacity: 0;
  animation: fadein 1.5s ease forwards;
}

/* Fade animations */
@keyframes fadein {
  to { opacity: 1; }
}

.fade-out {
  opacity: 0;
  transition: opacity 0.3s ease-in-out; /* Faster for page transitions */
}

/* Header styles */
.header {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, #2c3e50, #4a6491);
  color: white;
  border-radius: 10px;
  margin: 0 auto 30px auto;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.5);
}

.header_img {
  max-width: 50%;
  height: auto;
  transition: transform 0.3s ease;
  display: block;
  margin: 0 auto;
}

.header video {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin: 0 auto;
}

/* Table styles */
table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  box-sizing: border-box;
  word-break: break-word;
  background-color: Ivory;
  color: #333;
  table-layout: fixed;
}

td, th {
  vertical-align: top;
  font-size: 0.9em; /* Improved readability */
  padding: 8px;
  text-align: center;
}

table img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Float styles */
.float-right {
  float: right;
  margin: 0.5em 0 0.5em 1.5em;
  transition: transform 0.3s ease;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.float-left {
  float: left;
  margin: 0.5em 1.5em 0.5em 0;
  transition: transform 0.3s ease;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.float-right:hover, .float-left:hover {
  transform: scale(2.0);
  transform-origin: center;
}

/* Link styles */
a {
  color: Navy;
  text-decoration: underline;
  transition: color 0.3s ease;
}

a:hover {
  color: #4a6491;
  text-decoration: none;
}

/* Footer styles */
.footer {
  height: 2.5em;
  line-height: 2.5em;
  background-color: lightgray;
  color: black;
  cursor: pointer;
  padding: 0 0.5em;
  display: block;
  white-space: nowrap;
  text-align: center;
  margin-top: 2em;
}

.footer.expanded {
  height: auto; /* Dynamic height for content */
  white-space: normal; /* Allow wrapping */
}

.defined-term {
      color: DarkSlateBlue;
      text-decoration: underline dotted;
      cursor: pointer;
      position: relative;
    }
.definition-box {
      display: none;
      position: absolute;
      top: 1.7em;
      left: 0;
      width: 33vw;
      max-width: 70vw; 
      min-width: 180px;
      background: #fcfcfc;
      border: 1px solid #1464A5;
      color: #222;
      padding: 12px;
      z-index: 10;
      border-radius: 8px;
      font-size: 0.95em;
      box-shadow: 0 4px 14px rgba(0,0,0,0.17);
    }

/* Media queries */
@media (orientation: portrait) {
  html {
    font-size: 2.5vw; /* Scales with viewport width */
  }
}

@media (orientation: landscape) {
  html {
    font-size: 1.5vw;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 14px;
    margin-left: 5%;
    margin-right: 5%;
  }
  .header {
    padding: 20px 10px;
  }
  .header_img {
    max-width: 80%;
  }
  table, thead, tbody, tr, th, td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }
  tr {
    margin-bottom: 1em;
    border-bottom: 1px solid #ccc;
  }
  td {
    text-align: center;
    padding: 0.5em;
    position: relative;
  }
  td:before {
    content: attr(data-label);
    font-weight: bold;
    display: block;
    margin-bottom: 0.5em;
  }
  .float-right, .float-left {
    float: none;
    display: block;
    margin: 0.5em auto;
    max-width: 100%;
  }
  .float-right:hover, .float-left:hover {
    transform: none; /* Disable hover zoom on mobile */
  }
  div[style*="flex"] {
    flex-direction: column;
    gap: 1em;
  }
  div[style*="flex"] a {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 1em;
  }
}