/**
 * HEADER COMPONENT
 * 
 * Styles for the navigation header and theme toggle
 */

/* Header Container */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-color);
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: background-color var(--transition-normal),
    box-shadow var(--transition-normal);
}

/* Logo image */
.logo img {
  display: block;
  height: 50px;
  width: auto;
}

/* Centrer */
.logo {
  display: flex;
  align-items: center;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

/* Navigation menu */
.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-item {
  margin-left: var(--spacing-sm);
  position: relative;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem;
  position: relative;
  text-decoration: none;
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Dropdown menu */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.dropdown-toggle .fa-chevron-down {
  font-size: 0.8rem;
  transition: transform var(--transition-fast);
}

.dropdown.active .dropdown-toggle .fa-chevron-down {
  transform: rotate(180deg);
}

/* Desktop dropdown behavior */
@media screen and (min-width: 769px) {
  .dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .dropdown:hover .dropdown-toggle .fa-chevron-down {
    transform: rotate(180deg);
  }
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background-color: var(--card-bg);
  border-radius: var(--border-radius-md);
  box-shadow: 0 5px 15px var(--shadow-color);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 100;
  list-style: none; /* Remove bullet points */
  margin: 0;
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-color);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-color-alt);
  color: var(--primary-color);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  position: relative;
  z-index: 1100;
}

.nav-toggle .bar {
  display: block;
  width: 30px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--text-color);
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  position: relative;
}

/* Creates a proper X with absolute positioning */
@media screen and (max-width: 768px) {
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    position: relative;
    margin-right: 1rem;
  }

  .nav-toggle .bar {
    position: absolute;
    transition: all 0.3s ease;
    width: 30px;
  }

  .nav-toggle .bar:nth-child(1) {
    transform: translateY(-8px);
  }

  .nav-toggle .bar:nth-child(3) {
    transform: translateY(8px);
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg);
  }
}

/* Theme toggle */
.theme-toggle {
  margin-left: var(--spacing-md);
  display: flex;
  align-items: center;
}

#themeToggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--border-radius-round);
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
  padding: 0;
  background-color: transparent;
}

#themeToggle:hover {
  background-color: var(--bg-color-alt);
}

/* Theme icon display */
#themeToggle .fa-moon,
#themeToggle .fa-sun {
  font-size: 1.5rem;
  transition: opacity var(--transition-fast);
}

#themeToggle .fa-moon {
  display: block;
  opacity: 1;
}

#themeToggle .fa-sun {
  display: none;
  opacity: 0;
}

body.dark-theme #themeToggle .fa-moon {
  display: none;
  opacity: 0;
}

body.dark-theme #themeToggle .fa-sun {
  display: block;
  opacity: 1;
}

/* Mobile specific styles */
@media screen and (max-width: 768px) {
  .navbar {
    padding: 0.75rem 0;
  }

  .logo {
    margin-left: 1rem;
  }

  .theme-toggle {
    margin-right: 1rem;
  }

  #themeToggle {
    width: 2.25rem;
    height: 2.25rem;
    background-color: var(--bg-color-alt);
  }

  #themeToggle .fa-moon,
  #themeToggle .fa-sun {
    font-size: 1.25rem;
  }

  /* Hamburger menu button */
  .nav-toggle {
    display: block;
    width: 26px;
    height: 26px;
    margin-right: 1rem;
    position: relative;
  }

  .nav-toggle .bar {
    position: absolute;
    left: 0;
    width: 26px;
    height: 2px;
    background-color: var(--text-color);
    transition: all 0.25s ease-in-out;
  }

  /* Set the three bars */
  .nav-toggle .bar:nth-child(1) {
    top: 4px;
  }

  .nav-toggle .bar:nth-child(2) {
    top: 6px;
  }

  .nav-toggle .bar:nth-child(3) {
    top: 8px;
  }

  /* Transform to X when active */
  .nav-toggle.active .bar:nth-child(1) {
    top: 6px;
    transform: rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
  }

  .nav-toggle.active .bar:nth-child(3) {
    top: 6px;
    transform: rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    transition: left var(--transition-normal);
    overflow-y: auto;
    margin: 0;
    z-index: 1000;
  }

  .nav-menu.active {
    left: 0;
    box-shadow: 0 5px 15px var(--shadow-color);
  }

  .nav-item {
    margin: 0.5rem 0;
    width: 100%;
  }

  .nav-link {
    width: 100%;
    display: block;
    padding: 0.75rem 0;
  }

  /* Mobile dropdown styles */
  .dropdown-toggle {
    display: flex;
    justify-content: space-between;
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    padding-left: 1rem;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: max-height var(--transition-normal);
    background-color: transparent;
    padding: 0 0 0 1rem; /* Adjust padding to align properly */
  }

  .dropdown.active .dropdown-menu {
    max-height: 200px;
    border-left: 2px solid var(--primary-color);
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
  }

  .dropdown-item {
    padding: 0.75rem 0.5rem;
  }
}