/**
 * Mobile Navigation Styles
 * Navigation Drawer and Overlay
 * Uses CSS Variables from mobile-core.css
 */

/* ============================================
   HIDE ON DESKTOP (default)
   ============================================ */

html body div.mobile-nav-overlay,
html body nav.mobile-nav-drawer {
  display: none;
}

/* ============================================
   NAVIGATION OVERLAY
   ============================================ */

@media (max-width: 768px) {
  html body div.mobile-nav-overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-overlay);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
  }

  div.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  /* ============================================
     NAVIGATION DRAWER
     ============================================ */

  html body nav.mobile-nav-drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 320px;
    max-width: 85vw;
    background-color: var(--color-bg-nav);
    box-shadow: var(--shadow-drawer);
    z-index: var(--z-drawer);
    transform: translateX(-100%);
    transition: transform var(--transition-smooth);
    overflow-y: auto;
  }

  nav.mobile-nav-drawer.active {
    transform: translateX(0);
  }

  /* Drawer Header */
  .mobile-nav-header {
    padding: 20px 20px 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-nav-header img {
    height: 26px;
    width: auto;
  }

  /* Nav Logo Dark/Light Mode Switch */
  .nav-logo-light {
    display: block;
  }

  .nav-logo-dark {
    display: none;
  }

  html.dark .nav-logo-light {
    display: none;
  }

  html.dark .nav-logo-dark {
    display: block;
  }

  .mobile-nav-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: 20px;
    cursor: pointer;
    border-radius: var(--radius-xs);
    transition: background-color var(--transition-fast);
  }

  .mobile-nav-close:hover {
    background-color: var(--color-hover);
  }

  /* User Info Section */
  .mobile-nav-user {
    padding: var(--spacing-md) 20px;
    border-bottom: 1px solid var(--color-border);
  }

  .mobile-nav-user .user-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    line-height: 1.3;
  }

  .mobile-nav-user .user-email {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 2px;
  }

  /* Menu List */
  .mobile-nav-menu {
    flex: 1;
    list-style: none;
    padding: var(--spacing-sm);
    margin: 0;
  }

  .mobile-nav-menu li {
    margin: 0;
    padding: 0;
  }

  .mobile-nav-menu li.divider {
    display: block;
    height: 1px;
    background-color: var(--color-border);
    margin: var(--spacing-sm) var(--spacing-md);
  }

  .mobile-nav-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px var(--spacing-md);
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-regular);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
  }

  .mobile-nav-menu a:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
  }

  .mobile-nav-menu a.active {
    background-color: transparent;
    color: var(--color-link);
  }

  /* Menu Icons (right side) */
  .mobile-nav-menu a i {
    font-size: 18px;
    color: var(--color-icon);
    flex-shrink: 0;
  }

  /* Notification Badge */
  .mobile-nav-menu .nav-badge {
    background-color: var(--color-badge-bg);
    color: var(--color-badge-text);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: 2px var(--spacing-sm);
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
  }

  /* Log Out Button */
  .mobile-nav-logout {
    padding: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
  }

  .mobile-nav-logout .logout-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px var(--spacing-md);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-regular);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
  }

  .mobile-nav-logout .logout-btn i {
    font-size: 18px;
    color: var(--color-icon);
  }

  .mobile-nav-logout .logout-btn:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-muted);
  }

  /* Footer with Theme Switcher */
  .mobile-nav-footer {
    padding: 12px var(--spacing-md);
    border-top: 1px solid var(--color-border);
  }

  .theme-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .theme-label {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-primary);
  }

  .theme-switcher {
    display: flex;
    gap: 0;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: 2px;
  }

  .theme-switcher button {
    width: 40px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
  }

  .theme-switcher button svg {
    width: 16px;
    height: 16px;
  }

  .theme-switcher button.active {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
  }

  html.dark .theme-switcher button.active {
    background-color: var(--color-bg-elevated-dark);
  }

  /* Prevent body scroll when menu open */
  body.mobile-menu-open {
    overflow: hidden;
  }
}