body {
  font-family: 'Noto Sans', 'Inter', sans-serif;
  font-weight: 400;
  font-size: 13px; /* Slightly increased for readability */
  line-height: 1.4; /* Improved line spacing */
  color: #333; /* Softer text color */
  max-width: 1450px; /* Optional: limit content width */
  margin: 0 auto; /* Center content if max-width is set */
}

/* Link Styling with More Distinct States */
a {
  text-decoration: none;
  transition: color 0.3s ease, transform 0.2s ease;
}

a:link {
  color: #1a73e8; /* More modern link color */
}

a:visited {
  color: #673ab7; /* Distinct visited link color */
}

a:hover {
  color: #0d47a1; /* Deeper hover state */
  transform: translateY(-2px); /* Subtle lift effect */
}

a:active {
  transform: translateY(1px); /* Subtle press effect */
}

h1 {
  font-size: 18px; /* Slightly larger for better hierarchy */
  font-weight: 600;
  color: #212121; /* Slightly softer black */
  margin-bottom: 15px;
}

.fixed-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100; /* More standard z-index */
  background-color: rgba(240, 240, 244, 0.95); /* Slight transparency */
  backdrop-filter: blur(10px); /* Modern blur effect */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Subtle depth */
  color: #333;
  padding: 12px 16px; /* More comfortable padding */
  font-family: 'Noto Sans', 'Inter', sans-serif;
  font-weight: 500;
  font-size: 13px; /* Slightly larger font */
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.fixed-nav a {
  padding: 0 15px; /* Increased spacing between links */
  color: #333; /* Consistent link color */
  position: relative;
}

.fixed-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background-color: #1a73e8;
  transition: width 0.3s ease, left 0.3s ease;
}

.fixed-nav a:hover::after {
  width: 100%;
  left: 0;
}

@media (max-width: 768px) {
  .fixed-nav {
    height: auto;
    text-align: center;
    padding: 10px 5px; /* Adjusted padding */
  }

  .fixed-nav a {
    display: block;
    padding: 12px 0;
    margin: 5px 0;
  }

  .fixed-nav a::after {
    bottom: 0; /* Adjust underline position */
  }

  /* Optional: Responsive navigation toggle */
  .nav-toggle {
    display: block;
    position: absolute;
    right: 15px;
    top: 15px;
    cursor: pointer;
    z-index: 101;
  }

  .nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
  }
}

/* Optional: Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Optional: Focus states for accessibility */
*:focus {
  outline: 2px solid #1a73e8;
  outline-offset: 2px;
}

  .session-countdown {
      margin-left: 8px;
      font-size: 0.8rem;
      display: none;
      padding: 2px 6px;
      border-radius: 10px;
      background-color: rgba(67, 97, 238, 0.1);
      transition: all 0.3s ease;
  }

  .session-countdown.active {
      display: inline-block;
  }

  .session-countdown.warning {
      background-color: rgba(255, 193, 7, 0.2);
      color: #ff8c00;
  }

  .session-countdown.danger {
      background-color: rgba(220, 53, 69, 0.2);
      color: #dc3545;
  }