/* 
 * Navigation Component
 * Responsive navbar with dropdown support
 */

/* ===== BASE NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-gray-100);
  backdrop-filter: blur(20px);
  z-index: 1020;
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-sm);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== LOGO ===== */
.logo {
  display: flex;
  align-items: center;
  padding: 2px 0;
}
.logo-image {
  height: auto;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  transition: transform var(--transition-fast);
}
.logo-image:hover {
  transform: scale(1.05);
}
.logo:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ===== MENU TOGGLE ===== */
.menu-toggle {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-primary);
  margin: 3px 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== NAVIGATION LINKS ===== */
.nav-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-fast),
    text-decoration-color var(--transition-fast);
  text-underline-offset: 0.375em;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* ===== LANGUAGE SWITCHER ===== */
.language-switcher {
  display: flex;
  align-items: center;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-300);
  background: var(--color-gray-300);
  overflow: hidden;
}
.lang-btn {
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0 var(--spacing-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  height: 100%;
  display: grid;
  place-items: center;
  min-width: 24px;
  transition: all var(--transition-fast);
}
.lang-btn:hover {
  background: var(--color-gray-500);
}
.lang-btn.active {
  background: var(--color-secondary);
  color: var(--text-light);
}

/* ===== DROPDOWN MENUS ===== */
.nav-dropdown {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-dropdown-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

/* ===== FOCUS MANAGEMENT ===== */
.nav-links a:focus-visible,
.lang-btn:focus-visible,
.menu-toggle:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ===== MOBILE STYLES ===== */
@media (max-width: 767px) {
  .navbar-container {
    display: grid;
    grid-template-areas: "logo toggle switcher" "nav nav nav";
    grid-template-columns: auto auto auto;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    align-items: center;
  }
  .logo {
    grid-area: logo;
    justify-self: start;
  }
  .language-switcher {
    grid-area: switcher;
    justify-self: end;
    margin-right: var(--spacing-sm);
  }
  .menu-toggle {
    grid-area: toggle;
    justify-self: end;
  }
  .nav-center {
    grid-area: nav;
    width: 100%;
    order: 1;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    background: var(--color-gray-100);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
  }
  .nav-links.active {
    display: flex;
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-300);
    width: 100%;
    box-sizing: border-box;
  }
  .nav-links li:last-child a {
    border-bottom: none;
  }
  /* Mobile dropdown styles */
  .nav-item-with-dropdown {
    position: relative;
  }
  .nav-dropdown {
    display: none;
    background: var(--color-gray-200);
    margin: 0;
    padding: 0;
  }
  .nav-item-with-dropdown.active .nav-dropdown {
    display: block;
  }
  .nav-dropdown-link {
    padding: var(--spacing-md) var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-300);
    font-size: var(--fs-sm);
  }
  .nav-dropdown li:last-child .nav-dropdown-link {
    border-bottom: none;
  }
  .nav-dropdown-link:hover,
  .nav-dropdown-link:focus-visible {
    background: var(--color-gray-300);
    color: var(--color-secondary);
  }
  /* Prevent body scroll when menu is open */
  body.menu-open {
    overflow: hidden;
  }
  /* Ensure menu stays on top */
  .nav-links.active {
    position: relative;
    z-index: 1021;
  }
}

/* ===== DESKTOP STYLES ===== */
@media (min-width: 768px) {
  #navbar {
    padding: var(--spacing-md) 0;
  }
  .menu-toggle {
    display: none;
  }
  .nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
  }
  .nav-links a {
    padding: var(--spacing-sm) 0;
    border-bottom: none;
  }
  .nav-item-with-dropdown {
    position: relative;
  }
  .nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-gray-100);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1021;
  }
  .nav-item-with-dropdown:hover .nav-dropdown,
  .nav-item-with-dropdown:focus-within .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-dropdown-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: none;
  }
  .nav-dropdown-link:hover,
  .nav-dropdown-link:focus-visible {
    background: var(--color-gray-300);
    color: var(--color-secondary);
    transform: translateX(5px);
  }
}

/* ===== ENHANCED MOBILE INTERACTIONS ===== */
@media (max-width: 767px) {
  /* Improve touch targets */
  .nav-links a,
  .nav-dropdown-link {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  /* Add visual feedback for touch */
  .nav-links a:active,
  .nav-dropdown-link:active {
    background: var(--color-gray-300);
    transition: background-color 0.1s;
  }
  /* Smooth animations for mobile */
  .nav-links {
    transition: all var(--transition-normal);
  }
  .nav-dropdown {
    transition: all var(--transition-fast);
  }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  .nav-links a,
  .nav-dropdown-link,
  .logo-image,
  .menu-toggle span,
  .lang-btn {
    transition: none;
  }
  .nav-dropdown-link:hover,
  .nav-dropdown-link:focus-visible {
    transform: none;
  }
  .nav-dropdown {
    transition: none;
  }
}