/*
Floating Pill-Shaped TOP Navigation Bar Styles
*/

:root {
  /* Grayscale System */
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-500: #9e9e9e;
  --gray-700: #616161;
  --gray-800: #424242;

  /* Primary Color */
  --primary: #0C125B;

  /* Spacing System */
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 20px;

  /* Border Radius */
  --radius-full: 9999px;
}

.floating-nav {
  position: fixed;
  top: 20px; /* Positioned at the top */
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px); /* 20px gap on each side */
  max-width: 1200px; /* Wider for a top nav bar */
  height: auto;
  min-height: 65px;
  background-color: white;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between; /* Space out logo from links */
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  z-index: 1000;
  transition: all 0.3s ease-in-out;
}

.floating-nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: 700;
  color: var(--gray-800);
  font-size: 1.25rem; /* 20px */
}

.floating-nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.floating-nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--gray-700);
  text-decoration: none;
  transition: all 0.3s ease-in-out;
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
}

.floating-nav-item:hover {
  color: var(--primary);
}

.floating-nav-item .nav-icon-path {
    width: 20px;
    height: 20px;
}

.floating-nav-item .nav-text {
  font-size: 16px;
  font-weight: 600;
}

/* Active State */
.floating-nav-item.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}


/* Add padding to the top of the body to make space for the nav bar */
/* Note: Landing page, lesson-player, and student-dashboard override this via body_class block */
body:not(.landing-page):not(.lesson-player):not(.student-dashboard) {
    padding-top: 120px; /* Consistent clearance for floating tab bar */
}

/* Immersive mode - navbar auto-hides for lesson player and student dashboard */
body.lesson-player .floating-nav,
body.student-dashboard .floating-nav {
    transform: translateX(-50%) translateY(-150%);
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
    opacity: 0;
}

body.lesson-player .floating-nav:hover,
body.lesson-player .floating-nav.nav-visible,
body.student-dashboard .floating-nav:hover,
body.student-dashboard .floating-nav.nav-visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Show navbar toggle button */
.nav-toggle-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    width: 44px;
    height: 44px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.nav-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.nav-toggle-btn svg {
    width: 22px;
    height: 22px;
    color: var(--gray-700);
    transition: color 0.3s ease;
}

.nav-toggle-btn:hover svg {
    color: var(--primary);
}

.nav-toggle-btn.nav-hidden svg.eye-open,
.nav-toggle-btn:not(.nav-hidden) svg.eye-closed {
    display: none;
}

.nav-toggle-btn.nav-hidden svg.eye-closed,
.nav-toggle-btn:not(.nav-hidden) svg.eye-open {
    display: block;
}

/* Responsive adjustments for smaller screens */
@media (max-width: 768px) {
    .floating-nav-item .nav-text {
        display: none; /* Hide text on mobile, icons only */
    }
    .floating-nav-item {
        padding: var(--spacing-sm);
    }
    .floating-nav-logo span {
        display: none; /* Hide logo text on mobile */
    }
    .floating-nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}