@tailwind base;
@tailwind components;
@tailwind utilities;

/* ============================================
   CRITICAL NAVBAR CSS - Must load first
   Prevents flash of all nav items before permissions check
   ============================================ */
.nav-item:not(.nav-item-logout):not([data-always-visible="true"]):not(.nav-dropdown) {
    opacity: 0 !important;
    visibility: hidden !important;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

.nav-item.visible,
.nav-item a[href="/index.html"],
.nav-item a[href="index.html"],
.nav-item[data-always-visible="true"],
.nav-item.nav-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
}

@layer base {
  :root {
    /* Main colors - Black/White theme */
    --background: 0 0% 100%;
    --foreground: 0 0% 0%;
    --card: 0 0% 100%;
    --card-foreground: 0 0% 0%;
    --popover: 0 0% 100%;
    --popover-foreground: 0 0% 0%;
    --primary: 0 0% 0%;
    --primary-foreground: 0 0% 100%;
    --secondary: 0 0% 96%;
    --secondary-foreground: 0 0% 0%;
    --muted: 0 0% 96%;
    --muted-foreground: 0 0% 40%;
    --accent: 0 0% 96%;
    --accent-foreground: 0 0% 0%;
    --destructive: 0 84% 60%;
    --destructive-foreground: 0 0% 100%;
    --border: 0 0% 0%;
    --input: 0 0% 85%;
    --ring: 0 0% 0%;
    --radius: 0.5rem;
    
    /* Standardized border-radius sizes for consistency across all pages */
    --radius-xs: 4px;         /* Badges, small indicators */
    --radius-sm: 6px;         /* Small buttons, inputs */
    --radius-md: 8px;         /* Default - buttons, form elements */
    --radius-lg: 12px;        /* Cards, containers, modals */
    --radius-xl: 16px;        /* Large sections, hero areas */
    --radius-2xl: 20px;       /* Extra large containers */
    --radius-full: 9999px;    /* Pills, circular elements */
    
    /* Additional utility colors for consistency */
    --color-text-light: 0 0% 40%;
    --color-text-muted: 0 0% 60%;
    --color-border-light: 0 0% 85%;
    --color-bg-light: 0 0% 96%;
    --color-bg-hover: 0 0% 95%;
    
    /* Typography - Consistent font sizes */
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;       /* 20px */
    --font-size-2xl: 1.5rem;       /* 24px */
    --font-size-3xl: 2rem;         /* 32px */
    --font-size-4xl: 2.5rem;       /* 40px */
    
    /* Heading sizes */
    --heading-h1: 2.5rem;          /* 40px */
    --heading-h2: 2rem;            /* 32px */
    --heading-h3: 1.5rem;          /* 24px */
    --heading-h4: 1.25rem;         /* 20px */
    --heading-h5: 1.125rem;        /* 18px */
    --heading-h6: 1rem;            /* 16px */
  }

  .dark {
    --background: 0 0% 0%;
    --foreground: 0 0% 100%;
    --card: 0 0% 0%;
    --card-foreground: 0 0% 100%;
    --popover: 0 0% 0%;
    --popover-foreground: 0 0% 100%;
    --primary: 0 0% 100%;
    --primary-foreground: 0 0% 0%;
    --secondary: 0 0% 15%;
    --secondary-foreground: 0 0% 100%;
    --muted: 0 0% 15%;
    --muted-foreground: 0 0% 60%;
    --accent: 0 0% 15%;
    --accent-foreground: 0 0% 100%;
    --destructive: 0 62.8% 50%;
    --destructive-foreground: 0 0% 100%;
    --border: 0 0% 25%;
    --input: 0 0% 25%;
    --ring: 0 0% 100%;
    --color-text-light: 0 0% 60%;
    --color-text-muted: 0 0% 70%;
    --color-border-light: 0 0% 25%;
    --color-bg-light: 0 0% 10%;
    --color-bg-hover: 0 0% 15%;
  }
}

@layer base {
  * {
    @apply border-border;
  }
  body {
    @apply bg-background text-foreground;
    /* Ensure proper sizing on iOS PWA */
    min-height: 100vh;
    min-height: -webkit-fill-available;
  }

  /* iOS PWA specific adjustments */
  html {
    height: -webkit-fill-available;
  }
}

.app-shell {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: hsl(var(--background));
  /* Performance optimization: moved background-image to ::before pseudo-element */
  min-height: 100vh;
  color: hsl(var(--foreground));
  scroll-padding-top: calc(64px + env(safe-area-inset-top, 0px));
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.2s ease, color 0.2s ease;
  position: relative;
  isolation: isolate;
  text-align: left;
}

.app-shell::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image:
    radial-gradient(circle at 12% 20%, rgba(0, 0, 0, 0.04) 0%, transparent 55%),
    radial-gradient(circle at 85% 0%, rgba(0, 0, 0, 0.02) 0%, transparent 60%);
  pointer-events: none;
}

/* Custom font faces */
@font-face {
  font-family: 'Bastia';
  src: url('../assets/fonts/Bastia-Bold.otf') format('opentype');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Source Serif Pro';
  src: url('../assets/fonts/SourceSerifPro-Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Navigation Bar - Modern Glassmorphism Style */
@layer components {
  /* Global navbar styles - used by all pages */
  .top-navbar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
    z-index: 10000 !important;
    padding: 0 !important;
    padding-top: env(safe-area-inset-top) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 8px 24px rgba(0, 0, 0, 0.08) !important;
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: block !important;
    visibility: visible !important;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    width: 100% !important;
    box-sizing: border-box !important;
    contain: layout style;
  }

  /* Dark mode support */
  .dark .top-navbar,
  body.dark .top-navbar {
    background: rgba(0, 0, 0, 0.75) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  }

  .top-navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    pointer-events: none;
    opacity: 0.5;
  }

  .dark .top-navbar::before,
  body.dark .top-navbar::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
  }

  .nav-container {
    max-width: 1600px !important;
    width: 100% !important;
    margin: 0 auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 12px 32px !important;
    visibility: visible !important;
    position: relative !important;
    gap: 32px !important;
    box-sizing: border-box !important;
  }

  /* Prevent script from breaking nav container layout */
  .nav-container[style*="display"] {
    display: flex !important;
  }

  /* Ensure nav container always displays correctly */
  .nav-container:not([style*="display: none"]) {
    display: flex !important;
  }

  .nav-brand {
    display: flex !important;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: hsl(var(--foreground));
    font-weight: 700;
    font-size: var(--font-size-lg) !important;
    visibility: visible !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    padding: 8px 12px;
    border-radius: 12px;
  }

  .nav-brand:hover {
    transform: translateY(-2px);
    background: rgba(0, 0, 0, 0.04);
  }

  .dark .nav-brand:hover,
  body.dark .nav-brand:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  .nav-brand img {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), filter 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-brand:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
  }

  .nav-menu {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    visibility: visible !important;
    flex: 1 !important;
    justify-content: flex-end !important;
    box-sizing: border-box !important;
  }

  /* Prevent script from breaking nav menu layout */
  .nav-menu[style*="display"] {
    display: flex !important;
  }

  @media (min-width: 769px) {
    /* Ensure nav menu always displays correctly on desktop */
    .nav-menu:not([style*="display: none"]) {
      display: flex !important;
    }
  }

  @media (max-width: 768px) {
    .nav-menu:not(.mobile-open) {
      display: none !important;
      visibility: hidden !important;
    }
    
    .nav-container {
      padding: 14px 20px;
      position: relative;
      gap: 16px;
    }
    
    .nav-brand img {
      height: 36px;
    }
    
    .nav-mobile-toggle {
      display: flex !important;
    }
    
    .nav-menu {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(20px) saturate(180%);
      -webkit-backdrop-filter: blur(20px) saturate(180%);
      flex-direction: column;
      align-items: stretch;
      padding: 16px;
      border-top: 1px solid rgba(0, 0, 0, 0.08);
      gap: 8px;
      z-index: 10001;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                  opacity 0.3s ease,
                  visibility 0.3s ease;
      opacity: 0;
      visibility: hidden;
    }

    .dark .nav-menu,
    body.dark .nav-menu {
      background: rgba(0, 0, 0, 0.95);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.mobile-open {
      display: flex !important;
      visibility: visible !important;
      max-height: 90vh;
      opacity: 1;
      overflow-y: auto;
    }

    .nav-item {
      width: 100%;
    }

    .nav-item a.nav-link {
      width: 100%;
      justify-content: flex-start;
      padding: 14px 16px;
      border-radius: 10px;
    }
  }

  .nav-item {
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
    display: list-item; /* Default display for nav items */
  }

  /* Show nav items that are visible (have access or are always visible) */
  .nav-item.visible,
  .nav-item[data-always-visible="true"],
  .nav-item.nav-dropdown[data-always-visible="true"] {
    opacity: 1 !important;
    visibility: visible !important;
    display: list-item !important;
  }

  /* Override any inline display styles for visible nav items (except display: none) */
  .nav-item.visible[style*="display"]:not([style*="display: none"]) {
    display: list-item !important;
  }

  /* Ensure visible nav items always show, even if script sets display to empty string */
  .nav-item.visible:not([style*="display: none"]) {
    display: list-item !important;
  }
  
  /* Ensure dropdown items are always visible if parent is visible */
  .nav-item.nav-dropdown[data-always-visible="true"] .nav-dropdown-toggle {
    opacity: 1;
    visibility: visible;
  }

  .nav-mobile-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: hsl(var(--foreground));
    padding: 10px 14px;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 20px;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    z-index: 1;
    /* Button reset styles */
    -webkit-appearance: none;
    appearance: none;
    font-family: inherit;
    font-weight: inherit;
    line-height: inherit;
    margin: 0;
    text-decoration: none;
    outline: none;
  }

  .dark .nav-mobile-toggle,
  body.dark .nav-mobile-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: hsl(var(--primary-foreground));
  }

  .nav-mobile-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 0, 0, 0.15);
    transform: scale(1.05) translateY(-1px);
  }

  .dark .nav-mobile-toggle:hover,
  body.dark .nav-mobile-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
  }

  .nav-mobile-toggle:active {
    transform: scale(0.95);
  }

  .mobile-toggle-icon {
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.5em;
    line-height: 1;
  }

  /* When menu is open, rotate the icon using :has() selector */
  .top-navbar:has(.nav-menu.mobile-open) .nav-mobile-toggle .mobile-toggle-icon {
    transform: rotate(90deg);
  }

  @media (min-width: 769px) {
    .nav-mobile-toggle {
      display: none !important;
    }
  }

  /* Navigation Links - Modern Redesigned */
  .nav-link {
    @apply inline-flex items-center justify-center whitespace-nowrap rounded-xl text-sm font-medium ring-offset-background transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50;
    text-decoration: none;
    text-transform: none;
    letter-spacing: -0.01em;
    min-height: 40px;
    padding: 8px 16px;
    background: transparent;
    border: none;
    -webkit-appearance: none;
    appearance: none;
    color: hsl(var(--foreground));
    font-size: var(--font-size-sm) !important;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    margin: 0 4px;
  }
  
  .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.06);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: inherit;
  }

  .dark .nav-link::before,
  body.dark .nav-link::before {
    background: rgba(255, 255, 255, 0.1);
  }
  
  .nav-link:hover {
    transform: translateY(-1px);
    color: hsl(var(--foreground));
  }

  .nav-link:hover::before {
    opacity: 1;
  }

  .nav-link:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.6);
    outline-offset: 3px;
  }
  
  .nav-link-active {
    @apply bg-accent text-accent-foreground;
  }
  
  /* Override nav-link-active in navbar - modern design */
  .top-navbar .nav-link-active {
    background: hsl(var(--foreground)) !important;
    color: hsl(var(--background)) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
    font-weight: 600;
    transform: translateY(-1px);
  }

  .dark .top-navbar .nav-link-active,
  body.dark .top-navbar .nav-link-active {
    background: hsl(var(--primary-foreground)) !important;
    color: hsl(var(--primary)) !important;
  }
  
  .top-navbar .nav-link-active::before {
    display: none;
  }
  
  /* Navigation in navbar context - Modern styling */
  .top-navbar .nav-link {
    color: hsl(var(--foreground)) !important;
    background-color: transparent !important;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm) !important;
    border-radius: 12px;
  }
  
  .top-navbar .nav-link:hover {
    background-color: rgba(0, 0, 0, 0.06) !important;
    color: hsl(var(--foreground)) !important;
  }

  .dark .top-navbar .nav-link:hover,
  body.dark .top-navbar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
  }
  
  /* Dropdown toggle should look like a nav link */
  .top-navbar .nav-dropdown .nav-link.nav-dropdown-toggle {
    color: hsl(var(--foreground)) !important;
    background-color: transparent !important;
    padding: 8px 16px;
    margin: 0 4px;
  }
  
  .top-navbar .nav-dropdown .nav-link.nav-dropdown-toggle:hover {
    background-color: rgba(0, 0, 0, 0.06) !important;
  }

  .dark .top-navbar .nav-dropdown .nav-link.nav-dropdown-toggle:hover,
  body.dark .top-navbar .nav-dropdown .nav-link.nav-dropdown-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
  }
  
  /* Ensure all navbar buttons work properly without btn classes */
  .top-navbar button.nav-link,
  .top-navbar button.nav-mobile-toggle {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    font-family: inherit;
    font-weight: inherit;
    line-height: inherit;
    text-decoration: none;
    outline: none;
    cursor: pointer;
    background: transparent;
  }
  
  .top-navbar .nav-link-active,
  .top-navbar .nav-link.nav-link-active {
    background-color: hsl(var(--foreground)) !important;
    color: hsl(var(--background)) !important;
  }

  .dark .top-navbar .nav-link-active,
  .dark .top-navbar .nav-link.nav-link-active,
  body.dark .top-navbar .nav-link-active,
  body.dark .top-navbar .nav-link.nav-link-active {
    background-color: hsl(var(--primary-foreground)) !important;
    color: hsl(var(--primary)) !important;
  }
  
  /* Ensure nav items in navbar have correct text color */
  .top-navbar .nav-item .nav-link,
  .top-navbar .nav-item a {
    color: hsl(var(--foreground)) !important;
    background-color: transparent !important;
    font-size: var(--font-size-sm) !important;
  }
  
  .top-navbar .nav-item .nav-link-active,
  .top-navbar .nav-item .nav-link.nav-link-active,
  .top-navbar .nav-item a.active,
  .top-navbar .nav-item a.nav-link-active {
    background-color: hsl(var(--foreground)) !important;
    color: hsl(var(--background)) !important;
    font-size: var(--font-size-sm) !important;
  }

  .dark .top-navbar .nav-item .nav-link-active,
  .dark .top-navbar .nav-item .nav-link.nav-link-active,
  body.dark .top-navbar .nav-item .nav-link-active,
  body.dark .top-navbar .nav-item .nav-link.nav-link-active {
    background-color: hsl(var(--primary-foreground)) !important;
    color: hsl(var(--primary)) !important;
  }
  
  /* Prevent white text on white background */
  .top-navbar a:not(.nav-link-active):not(.active) {
    color: hsl(var(--foreground)) !important;
    font-size: var(--font-size-sm) !important;
  }
  
  /* Ensure nav menu items maintain consistent font size */
  .top-navbar .nav-menu .nav-link,
  .top-navbar .nav-menu a {
    font-size: var(--font-size-sm) !important;
  }

  /* Dropdown Menu Styles */
  .nav-dropdown {
    position: relative;
  }

  .nav-dropdown-toggle {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    user-select: none;
    position: relative;
    text-transform: none;
    letter-spacing: -0.01em;
    font-size: var(--font-size-sm) !important;
    color: hsl(var(--foreground)) !important;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-dropdown-toggle::after {
    content: '▼';
    font-size: 0.65em;
    margin-left: 6px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.6;
    line-height: 1;
    display: inline-flex;
    align-items: center;
  }

  .nav-dropdown.open .nav-dropdown-toggle::after {
    transform: rotate(180deg);
  }
  
  .nav-dropdown-toggle:hover {
    opacity: 1;
  }
  
  .top-navbar .nav-dropdown-toggle {
    color: hsl(var(--foreground)) !important;
  }

  .nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
    min-width: 220px;
    max-width: 280px;
    display: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.96);
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10002;
    margin-top: 0;
    padding: 8px;
    list-style: none;
    overflow: hidden;
    pointer-events: none;
  }

  .dark .nav-dropdown-menu,
  body.dark .nav-dropdown-menu {
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  /* Right-align the last dropdown (Profile) */
  .nav-menu > .nav-dropdown:last-child .nav-dropdown-menu {
    left: auto;
    right: 0;
  }

  .nav-dropdown.open .nav-dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
  }

  .nav-dropdown:focus-within .nav-dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
  }

  .nav-dropdown:focus-within .nav-dropdown-toggle::after {
    transform: rotate(180deg);
  }

  @media (hover: hover) and (pointer: fine) {
    /* Hover-based dropdown display (for desktop convenience) */
    .nav-dropdown:hover .nav-dropdown-menu {
      display: block;
      opacity: 1;
      visibility: visible;
      transform: translateY(0) scale(1);
      pointer-events: auto;
    }

    .nav-dropdown:hover .nav-dropdown-toggle::after {
      transform: rotate(180deg);
    }
    
    /* Ensure click-based open state takes precedence over hover */
    /* When explicitly opened via click, keep it open even when not hovering */
    .nav-dropdown.open .nav-dropdown-menu {
      display: block !important;
      opacity: 1 !important;
      visibility: visible !important;
      transform: translateY(0) scale(1) !important;
      pointer-events: auto !important;
    }
    
    .nav-dropdown.open .nav-dropdown-toggle::after {
      transform: rotate(180deg) !important;
    }
    
    /* When dropdown is explicitly opened, don't hide on mouseleave */
    .nav-dropdown.open:hover .nav-dropdown-menu,
    .nav-dropdown.open:not(:hover) .nav-dropdown-menu {
      display: block !important;
      opacity: 1 !important;
      visibility: visible !important;
    }
  }

  .nav-dropdown-item {
    margin: 0;
    padding: 0;
    display: block;
  }

  /* Respect script's display: none for dropdown items */
  .nav-dropdown-item[style*="display: none"] {
    display: none !important;
  }

  /* ============================================
     GLOBAL NAVBAR OVERRIDES - Ensures consistency across all pages
     These rules override any page-specific styles
     ============================================ */
  
  /* Force navbar to always be visible and properly positioned */
  body .top-navbar,
  html .top-navbar,
  .index-page .top-navbar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 8px 24px rgba(0, 0, 0, 0.08) !important;
    z-index: 10000 !important;
    display: block !important;
    visibility: visible !important;
  }

  .dark .top-navbar,
  body.dark .top-navbar,
  .dark .index-page .top-navbar {
    background: rgba(0, 0, 0, 0.75) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  }

  /* Force nav container to maintain flex layout */
  body .nav-container,
  html .nav-container {
    display: flex !important;
    max-width: 1600px !important;
    width: 100% !important;
  }

  /* Force nav menu to maintain flex layout on desktop */
  @media (min-width: 769px) {
    body .nav-menu,
    html .nav-menu {
      display: flex !important;
    }
  }

  /* Ensure visible nav items always display */
  body .nav-item.visible,
  html .nav-item.visible {
    display: list-item !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .nav-dropdown-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: hsl(var(--foreground)) !important;
    text-decoration: none;
    font-size: var(--font-size-sm) !important;
    transition: background 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    margin: 2px 4px;
    border-radius: 10px;
    font-weight: 500;
  }

  .nav-dropdown-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: hsl(var(--foreground));
    border-radius: 0 2px 2px 0;
    transition: height 0.2s ease;
    opacity: 0.6;
  }

  .nav-dropdown-link:hover {
    background-color: rgba(0, 0, 0, 0.06);
    padding-left: 20px;
    transform: translateX(2px);
  }

  .dark .nav-dropdown-link:hover,
  body.dark .nav-dropdown-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }

  .nav-dropdown-link:hover::before {
    height: 60%;
    opacity: 1;
  }

  .nav-dropdown-link.nav-link-active {
    background-color: hsl(var(--foreground)) !important;
    color: hsl(var(--background)) !important;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }

  .dark .nav-dropdown-link.nav-link-active,
  body.dark .nav-dropdown-link.nav-link-active {
    background-color: hsl(var(--primary-foreground)) !important;
    color: hsl(var(--primary)) !important;
  }

  .nav-dropdown-link.nav-link-active::before {
    display: none;
  }

  /* Login/Logout button styles */
  #loginNavButton,
  #logoutNavButton {
    display: none;
  }

  #loginNavButton.visible,
  #logoutNavButton.visible {
    display: inline-block;
  }

  #logoutNavButton {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font: inherit;
    color: inherit;
  }

  @media (max-width: 768px) {
    .nav-dropdown {
      width: 100%;
    }

    .nav-dropdown-toggle {
      width: 100%;
      justify-content: space-between;
    }

    .nav-dropdown-menu {
      position: static;
      display: none;
      box-shadow: none;
      border: none;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      margin-top: 0;
      padding: 0;
      transform: none;
      opacity: 1;
      visibility: visible;
    }

    .nav-dropdown.open .nav-dropdown-menu {
      display: block;
      transform: none;
    }

    .nav-dropdown-link {
      padding: 12px 30px;
    }
  }

  /* Utility classes */
  .no-underline {
    text-decoration: none;
  }

  /* Color utility classes for consistency */
  .bg-primary-solid {
    background-color: hsl(var(--primary));
  }
  
  .text-primary-solid {
    color: hsl(var(--primary));
  }
  
  .border-primary-solid {
    border-color: hsl(var(--primary));
  }
  
  .bg-text-light {
    background-color: hsl(var(--color-text-light));
  }
  
  .text-muted-color {
    color: hsl(var(--color-text-muted));
  }
  
  .border-light {
    border-color: hsl(var(--color-border-light));
  }
  
  .bg-light {
    background-color: hsl(var(--color-bg-light));
  }

  /* Common color replacements for consistency */
  /* Use these utility classes instead of hardcoded colors */
  .color-black { color: hsl(var(--primary)); }
  .color-white { color: hsl(var(--primary-foreground)); }
  .color-gray { color: hsl(var(--color-text-muted)); }
  .bg-black { background-color: hsl(var(--primary)); }
  .bg-white { background-color: hsl(var(--background)); }
  .bg-light-gray { background-color: hsl(var(--color-bg-light)); }
  .border-black { border-color: hsl(var(--primary)); }
  .border-light-gray { border-color: hsl(var(--color-border-light)); }

  /* Typography - Consistent font sizes */
  /* Use these classes instead of hardcoded font-size */
  body {
    font-size: var(--font-size-base);
    line-height: 1.5;
  }

  h1 {
    font-size: var(--heading-h1);
    font-weight: 600;
    line-height: 1.2;
  }

  h2 {
    font-size: var(--heading-h2);
    font-weight: 600;
    line-height: 1.3;
  }

  h3 {
    font-size: var(--heading-h3);
    font-weight: 600;
    line-height: 1.4;
  }

  h4 {
    font-size: var(--heading-h4);
    font-weight: 600;
    line-height: 1.4;
  }

  h5 {
    font-size: var(--heading-h5);
    font-weight: 600;
    line-height: 1.5;
  }

  h6 {
    font-size: var(--heading-h6);
    font-weight: 600;
    line-height: 1.5;
  }

  .text-xs { font-size: var(--font-size-xs); }
  .text-sm { font-size: var(--font-size-sm); }
  .text-base { font-size: var(--font-size-base); }
  .text-lg { font-size: var(--font-size-lg); }
  .text-xl { font-size: var(--font-size-xl); }
  .text-2xl { font-size: var(--font-size-2xl); }
  .text-3xl { font-size: var(--font-size-3xl); }
  .text-4xl { font-size: var(--font-size-4xl); }
  
  /* Consistent section headers */
  .section-header h2,
  .form-section-header h2 {
    font-size: var(--heading-h3);
    font-weight: 600;
  }
  
  /* Consistent labels */
  label,
  .label {
    font-size: var(--font-size-sm);
    font-weight: 500;
  }
  
  /* Consistent small text */
  .text-small,
  small {
    font-size: var(--font-size-xs);
  }

}

/* Custom animations */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
  body {
    min-height: -webkit-fill-available;
  }
}

/* Touch improvements */
button, a, input[type="button"], input[type="submit"], .btn, .tool-card {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
  touch-action: manipulation;
}

/* Prevent text selection on buttons */
button, .btn {
  -webkit-user-select: none;
  user-select: none;
}

/* Scroll performance optimizations for mobile */
.nav-menu, .tool-card, .nav-dropdown-menu {
  will-change: transform, opacity;
  transform: translateZ(0); /* Force GPU acceleration */
}

/* Optimize animations for mobile - will-change is applied via classes */
.animate-slideIn, .animate-fadeIn, .animate-fadeInUp {
  will-change: transform, opacity;
}

/* Smooth scrolling on mobile */
html {
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

/* Optimize list rendering */
.table tbody tr, .tool-card, .nav-item {
  contain: layout style paint;
}

/* === Navbar dropdown forced override to defeat legacy inline CSS === */
body .top-navbar .nav-dropdown.open .nav-dropdown-menu,
html .top-navbar .nav-dropdown.open .nav-dropdown-menu {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateY(0) scale(1) !important;
}