/* ============================================================================
   Modern UI Design System - Flight Ticket Booking
   Incorporating: Minimalism, Glassmorphism, Neomorphism
   ============================================================================ */

/* ============================================================================
   1. CSS VARIABLES & DESIGN TOKENS
   ============================================================================ */
:root {
  /* Brand Primary Colors */
  --color-primary: #FB6B00; /* Orange Accent */
  --color-primary-light: #fc8533;
  --color-primary-dark: #e5600a;
  --color-secondary: #007bff; /* Primary Blue */
  --color-accent: #28a745; /* Success Green */

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-light-gray: #f8f9fa; /* Body Background */
  --color-gray: #e2e8f0;
  --color-dark-gray: #6c757d;
  --color-text-primary: #212529; /* Primary Text */
  --color-text-secondary: #6c757d; /* Secondary Text */
  --color-text-dark: #343a40;
  --color-black: #0f172a;

  /* Status Colors */
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-error: #dc3545; /* Danger Red */
  --color-danger: #dc3545;
  --color-info: #007bff;

  /* Background Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  --gradient-light: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);

  /* Glassmorphism Properties */
  --glass-background: rgba(255, 255, 255, 0.05);
  --glass-background-dark: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --glass-backdrop: blur(20px);

  /* Card Properties */
  --card-background: #ffffff;
  --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --card-shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.15);
  --card-border-radius: 0.5rem;

  /* Neomorphism Properties */
  --neo-background: #e0e5ec;
  --neo-shadow-light: #ffffff;
  --neo-shadow-dark: #a3b1c6;
  --neo-inset-light: inset 5px 5px 10px #a3b1c6;
  --neo-inset-dark: inset -5px -5px 10px #ffffff;
  --neo-outset-light: 5px 5px 10px #a3b1c6;
  --neo-outset-dark: -5px -5px 10px #ffffff;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Typography */
  --font-family-sans: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  --line-height-body: 1.6;
  --line-height-main-task: 1.8;

  /* Animation */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================================================
   2. GLOBAL RESET & BASE STYLES
   ============================================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-sans);
  font-size: 1rem;
  line-height: var(--line-height-body);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   2.1. GLOBAL LINK STYLES
   ============================================================================ */
a {
  color: var(--color-primary); /* Orange color */
  text-decoration: underline;
  text-decoration-color: var(--color-primary); /* Orange underline */
  text-underline-offset: 3px; /* Space between text and underline */
  transition: all var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark); /* Dark orange on hover */
  text-decoration: underline;
  text-decoration-color: var(--color-primary-dark); /* Dark orange underline on hover */
  text-decoration-thickness: 2px; /* Thicker underline on hover */
}

a:focus {
  color: var(--color-primary-dark);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  text-decoration: underline;
  text-decoration-color: var(--color-primary-dark);
}

a:visited {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
}

/* Ensure navigation links still work properly */
.modern-navbar .nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.modern-navbar .nav-link:hover {
  background: var(--glass-background);
  color: var(--color-primary);
  transform: translateY(-1px);
  text-decoration: none;
}

/* ============================================================================
   3. GLASSMORPHISM COMPONENTS
   ============================================================================ */
.glass {
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-dark {
  background: var(--glass-background-dark);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-card {
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: var(--spacing-xl);
  margin: var(--spacing-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--card-shadow-hover);
}

/* ============================================================================
   3.5. CARD COMPONENTS (Brand Guidelines)
   ============================================================================ */
.card-modern {
  background: var(--card-background);
  border-radius: var(--card-border-radius);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.card-modern:hover {
  transform: translateY(-1px);
  box-shadow: var(--card-shadow-hover);
}

.card-main-task {
  background: var(--card-background);
  border-radius: var(--card-border-radius);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-xl);
  font-size: 1.3rem;
  font-weight: 500;
  line-height: var(--line-height-main-task);
  white-space: pre-line;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-main-task:hover {
  transform: translateY(-1px);
  box-shadow: var(--card-shadow-hover);
}

.card-result {
  background: var(--card-background);
  border-radius: var (--card-border-radius);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-lg);
  animation: fadeIn 1s ease-in-out;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-result:hover {
  transform: translateY(-1px);
  box-shadow: var(--card-shadow-hover);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================================
   4. NEOMORPHISM COMPONENTS
   ============================================================================ */
.neo {
  background: var(--neo-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--neo-outset-light), var(--neo-outset-dark);
  border: none;
  transition: all var(--transition-base);
}

.neo:hover {
  box-shadow: 8px 8px 15px var(--neo-shadow-dark), -8px -8px 15px var(--neo-shadow-light);
}

.neo-inset {
  background: var(--neo-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--neo-inset-light), var(--neo-inset-dark);
  border: none;
}

.neo-button {
  background: var(--neo-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--neo-outset-light), var(--neo-outset-dark);
  border: none;
  transition: all var(--transition-base);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.neo-button:active {
  box-shadow: var(--neo-inset-light), var(--neo-inset-dark);
  transform: scale(0.98);
}

/* Enhanced Neomorphism Components */
.neo-button-primary {
  background: #007bff;
  color: white;
  box-shadow:
    8px 8px 16px rgba(0, 123, 255, 0.3),
    -8px -8px 16px rgba(40, 167, 69, 0.3);
  border: none;
  border-radius: 0.375rem;
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
  min-height: 50px;
}

.neo-button-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left var(--transition-base);
}

.neo-button-primary:hover {
  background: #28a745;
  box-shadow:
    4px 4px 8px rgba(40, 167, 69, 0.4),
    -4px -4px 8px rgba(0, 123, 255, 0.4);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

.neo-button-primary:hover::before {
  left: 100%;
}

.neo-button-primary:active {
  box-shadow:
    inset 4px 4px 8px rgba(76, 99, 210, 0.3),
    inset -4px -4px 8px rgba(102, 126, 234, 0.3);
  transform: translateY(0);
}

.neo-card {
  background: var(--neo-background);
  border-radius: var(--radius-xl);
  box-shadow:
    12px 12px 24px rgba(163, 177, 198, 0.3),
    -12px -12px 24px rgba(255, 255, 255, 1);
  padding: var(--spacing-xl);
  border: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.neo-card:hover {
  box-shadow:
    8px 8px 16px rgba(163, 177, 198, 0.4),
    -8px -8px 16px rgba(255, 255, 255, 1);
  transform: translateY(-2px);
}

.neo-input {
  background: var(--neo-background);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow:
    inset 6px 6px 12px rgba(163, 177, 198, 0.3),
    inset -6px -6px 12px rgba(255, 255, 255, 0.9);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: all var(--transition-base);
  width: 100%;
  outline: none;
}

.neo-input:focus {
  box-shadow:
    inset 4px 4px 8px rgba(163, 177, 198, 0.4),
    inset -4px -4px 8px rgba(255, 255, 255, 0.9),
    0 0 0 3px rgba(102, 126, 234, 0.1);
}

.neo-toggle {
  background: var(--neo-background);
  border-radius: var(--radius-full);
  box-shadow:
    inset 4px 4px 8px rgba(163, 177, 198, 0.3),
    inset -4px -4px 8px rgba(255, 255, 255, 0.9);
  width: 60px;
  height: 30px;
  position: relative;
  cursor: pointer;
  transition: all var(--transition-base);
}

.neo-toggle-handle {
  background: var(--neo-background);
  border-radius: var(--radius-full);
  box-shadow:
    4px 4px 8px rgba(163, 177, 198, 0.3),
    -4px -4px 8px rgba(255, 255, 255, 0.9);
  width: 26px;
  height: 26px;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: all var(--transition-base);
}

.neo-toggle.active .neo-toggle-handle {
  left: 32px;
  background: var(--color-primary);
  box-shadow:
    4px 4px 8px rgba(76, 99, 210, 0.3),
    -4px -4px 8px rgba(102, 126, 234, 0.3);
}

.neo-progress {
  background: var(--neo-background);
  border-radius: var(--radius-full);
  box-shadow:
    inset 4px 4px 8px rgba(163, 177, 198, 0.3),
    inset -4px -4px 8px rgba(255, 255, 255, 0.9);
  height: 12px;
  overflow: hidden;
  position: relative;
}

.neo-progress-bar {
  background: var(--gradient-primary);
  height: 100%;
  border-radius: var(--radius-full);
  box-shadow:
    2px 2px 4px rgba(76, 99, 210, 0.3),
    -2px -2px 4px rgba(102, 126, 234, 0.3);
  transition: width var(--transition-base);
}

/* Neomorphism utility classes */
.neo-shadow-sm {
  box-shadow:
    4px 4px 8px rgba(163, 177, 198, 0.2),
    -4px -4px 8px rgba(255, 255, 255, 0.8);
}

.neo-shadow-md {
  box-shadow:
    8px 8px 16px rgba(163, 177, 198, 0.25),
    -8px -8px 16px rgba(255, 255, 255, 0.9);
}

.neo-shadow-lg {
  box-shadow:
    12px 12px 24px rgba(163, 177, 198, 0.3),
    -12px -12px 24px rgba(255, 255, 255, 1);
}

.neo-inset-sm {
  box-shadow:
    inset 4px 4px 8px rgba(163, 177, 198, 0.2),
    inset -4px -4px 8px rgba(255, 255, 255, 0.8);
}

.neo-inset-md {
  box-shadow:
    inset 8px 8px 16px rgba(163, 177, 198, 0.25),
    inset -8px -8px 16px rgba(255, 255, 255, 0.9);
}

/* ============================================================================
   5. MINIMALIST NAVIGATION
   ============================================================================ */
.modern-navbar {
  background: rgba(255, 255, 255, 0.05) !important;
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: none;
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0; /* Reduced from var(--spacing-md) to reduce top white space */
  position: sticky;
  top: 0;
  z-index: 1000;
}

.modern-navbar .navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  /* Remove any shadows from Bootstrap flexbox classes */
  box-shadow: none !important;
  filter: none !important;
  -webkit-filter: none !important;
}

/* Override Bootstrap's d-flex and align-items-center shadow effects on navbar-brand */
.modern-navbar .navbar-brand.d-flex,
.modern-navbar .navbar-brand.align-items-center,
.modern-navbar .navbar-brand.d-flex.align-items-center {
  box-shadow: none !important;
  text-shadow: none !important;
  filter: none !important;
  -webkit-filter: none !important;
  background-image: none !important;
  /* Override any Bootstrap flexbox shadows */
}

/* Ensure child elements of flexbox navbar-brand have no shadows */
.modern-navbar .navbar-brand.d-flex *,
.modern-navbar .navbar-brand.align-items-center *,
.modern-navbar .navbar-brand.d-flex.align-items-center * {
  box-shadow: none !important;
  text-shadow: none !important;
  filter: none !important;
  -webkit-filter: none !important;
}

.modern-navbar .nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.modern-navbar .nav-link:hover {
  background: var(--glass-background);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.modern-navbar .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* ============================================================================
   6. MODERN BUTTONS
   ============================================================================ */
.btn-modern {
  border: none;
  border-radius: 0.375rem;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: bold;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center; /* Center text alignment for all buttons */
  gap: var(--spacing-xs);
  position: relative;
  overflow: hidden;
  min-height: 50px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  text-align: center; /* Ensure text is centered */
}

.btn-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn-modern:hover::before {
  left: 100%;
}

.btn-primary {
  background: #007bff;
  color: var (--color-white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-radius: 0.375rem;
  font-weight: bold;
  min-height: 50px;
}

.btn-primary:hover {
  background: #28a745;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Orange Add buttons - outline style with fill on hover */
.btn-add,
.btn-orange {
  background: transparent;
  color: #FB6B00;
  border: 2px solid #FB6B00;
  border-radius: 0.375rem;
  font-weight: bold;
  min-height: 50px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center; /* Ensure centered alignment */
  gap: var(--spacing-sm);
  text-align: center; /* Center text alignment */
  width: 100%; /* Standardize width for form buttons */
  max-width: 200px; /* Reduced from 300px to make buttons narrower */
  margin: 0 auto; /* Center the button in its container */
}

.btn-add:hover,
.btn-orange:hover {
  background: #FB6B00;
  color: var(--color-white);
  border-color: #FB6B00;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(251, 107, 0, 0.25);
  text-decoration: none;
}

.btn-glass {
  border: none;
  border-radius: 0.375rem;
  padding: var(--spacing-sm) var (--spacing-lg);
  font-weight: bold;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  position: relative;
  overflow: hidden;
  min-height: 50px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  text-align: center;
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  color: var(--color-text-primary);
}

.btn-neo {
  background: var(--neo-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--neo-outset-light), var(--neo-outset-dark);
  border: none;
  transition: all var(--transition-base);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-primary);
}

.btn-outline {
  border: none;
  border-radius: 0.375rem;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: bold;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  position: relative;
  overflow: hidden;
  min-height: 50px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  text-align: center;
  background: transparent;
  border: 2px solid #FB6B00;
  color: #FB6B00;
  font-weight: bold;
  min-height: 50px;
}

/* Standardized form button styling */
.btn-orange[type="submit"],
button.btn-orange[type="submit"],
#btnSave {
  width: 100% !important;
  max-width: 200px !important;
  margin: 0 auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  font-size: 1rem !important;
  padding: var(--spacing-md) var(--spacing-xl) !important;
  min-height: 50px !important;
}

/* ============================================================================
   7. MODERN FORMS
   ============================================================================ */
.form-modern {
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background: var(--color-white);
  transition: all var(--transition-base);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  background: var(--color-white);
}

.form-control-glass {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background: var(--color-white);
  transition: all var(--transition-base);
  outline: none;
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
}

.form-control-neo {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background: var (--color-white);
  transition: all var(--transition-base);
  outline: none;
  background: var(--neo-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--neo-inset-light), var(--neo-inset-dark);
  border: none;
}

/* ============================================================================
   8. MODERN CARDS
   ============================================================================ */
.card-modern {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  border: none;
}

.card-modern:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.card-glass {
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: var(--spacing-xl);
  margin: var(--spacing-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-neo {
  background: var(--neo-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--neo-outset-light), var(--neo-outset-dark);
  border: none;
  transition: all var(--transition-base);
  padding: var(--spacing-xl);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray);
  background: var(--gradient-light);
}

.card-body {
  padding: var(--spacing-xl);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-gray);
  background: var(--color-light-gray);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ============================================================================
   9. MODERN TABLES
   ============================================================================ */
.table-modern {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.12),
    0 2px 6px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border: 2px solid rgba(255, 255, 255, 0.3);
  position: relative;
}

.table-modern th {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table-modern td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray);
  vertical-align: middle;
  font-size: 0.9rem !important;
}

.table-modern tr:hover {
  background: var(--color-light-gray);
}

.table-modern tr:last-child td {
  border-bottom: none;
}

.table-glass {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.12),
    0 2px 6px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border: 2px solid rgba(255, 255, 255, 0.3);
  position: relative;
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
}

/* ============================================================================
   9. TYPOGRAPHY (Brand Guidelines)
   ============================================================================ */
.page-title {
  font-size: 2.8rem;
  font-weight: bold;
  color: #1a1a1a;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: var(--spacing-sm);
  margin-top: var(--spacing-3xl);
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-lg);
}

.main-task-text {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: var(--line-height-main-task);
  background: var(--card-background);
  color: var(--color-text-primary);
}

.auxiliary-text {
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
}

.brand-logo {
  cursor: pointer;
  /* Remove all possible shadow effects */
  box-shadow: none !important;
  text-shadow: none !important;
  filter: none !important;
  -webkit-filter: none !important;
  -moz-filter: none !important;
  -ms-filter: none !important;
  /* Remove drop shadow filters */
  filter: drop-shadow(0 0 0 transparent) !important;
  -webkit-filter: drop-shadow(0 0 0 transparent) !important;
  /* Remove outline and border shadows */
  outline: none !important;
  border: none !important;
  /* Position above any shadow layers */
  position: relative;
  z-index: 1001;
  /* Remove any inherited shadows */
  background: transparent !important;
  /* Remove any pseudo-element shadows */
  margin: 0px
}

.brand-logo::before,
.brand-logo::after {
  display: none !important;
}

/* Remove shadow from logo container and all parent elements */
.modern-navbar .navbar-brand,
.modern-navbar .navbar-brand * {
  box-shadow: none !important;
  text-shadow: none !important;
  filter: none !important;
  -webkit-filter: none !important;
  -moz-filter: none !important;
  -ms-filter: none !important;
  border: none !important;
  outline: none !important;
}

/* Override any inherited shadows from navbar */
.modern-navbar .brand-logo,
.modern-navbar img.brand-logo,
.modern-navbar .navbar-brand img,
.modern-navbar .navbar-brand .brand-logo {
  box-shadow: none !important;
  text-shadow: none !important;
  filter: none !important;
  -webkit-filter: none !important;
  border: none !important;
  outline: none !important;
  background: transparent !important;
  position: relative !important;
  z-index: 1001 !important;
}

/* NUCLEAR OPTION - Override everything including Bootstrap */
img.brand-logo,
img[src="/img/logo.png"],
img[height="60"],
.modern-navbar img,
.navbar-brand img,
a img {
  box-shadow: none !important;
  text-shadow: none !important;
  filter: none !important;
  -webkit-filter: none !important;
  border: none !important;
  outline: none !important;
  /* Remove any possible image effects */
  image-rendering: auto !important;
  -webkit-transform: none !important;
  transform: none !important;
  /* Force flat appearance */
  background: transparent !important;
  /* Override Bootstrap img styles */
  vertical-align: unset !important;
  border-style: none !important;
  /* Remove any pseudo-elements */
}

img.brand-logo::before,
img.brand-logo::after,
img[src="/img/logo.png"]::before,
img[src="/img/logo.png"]::after {
  display: none !important;
  content: none !important;
}

/* ============================================================================
   10. UTILITY CLASSES
   ============================================================================ */
.container-modern {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md); /* Fixed: symmetric horizontal padding */
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-primary { background: var(--gradient-primary); }
.bg-glass { 
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.bg-neo { 
  background: var(--neo-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--neo-outset-light), var(--neo-outset-dark);
  border: none;
  transition: all var(--transition-base);
}

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* ============================================================================
   11. ANIMATIONS & MICRO-INTERACTIONS
   ============================================================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slide-in {
  animation: slideIn var(--transition-base) ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* ============================================================================
   12. RESPONSIVE DESIGN
   ============================================================================ */

/* Role-restricted navigation items - initially hidden, controlled by role management */
.role-restricted {
  display: none;
}

/* Role-based visibility classes that work WITH responsive design */
.role-visible {
  display: flex !important;
}

.role-hidden {
  display: none !important;
}

/* Ensure role classes work within responsive context */
@media (max-width: 991.98px) {
  /* On mobile, role-visible items should still respect mobile layout */
  .role-visible {
    display: flex !important;
  }
}

@media (min-width: 992px) {
  /* On desktop, role-visible items should still respect desktop layout */
  .role-visible {
    display: flex !important;
  }
}

/* Desktop styles - ensure proper desktop navigation */
@media (min-width: 992px) {
  /* Ultra-specific targeting to override Bootstrap d-none d-lg-flex */
  nav.modern-navbar div.d-none.d-lg-flex.align-items-center.gap-3.desktop-nav,
  nav.modern-navbar div.d-none.d-lg-flex.align-items-center.gap-3.desktop-user,
  nav.modern-navbar .desktop-nav.d-none.d-lg-flex.align-items-center,
  nav.modern-navbar .desktop-user.d-none.d-lg-flex.align-items-center,
  nav.modern-navbar .desktop-nav.d-none.d-lg-flex,
  nav.modern-navbar .desktop-user.d-none.d-lg-flex,
  nav.modern-navbar .desktop-nav,
  nav.modern-navbar .desktop-user {
    display: flex !important;
  }

  /* Ultra-specific targeting for mobile toggle */
  nav.modern-navbar button.mobile-menu-toggle.d-lg-none,
  nav.modern-navbar .mobile-menu-toggle.d-lg-none,
  nav.modern-navbar .mobile-menu-toggle {
    display: none !important;
  }
}
@media (max-width: 991.98px) {
  :root {
    --spacing-xs: 0.2rem;
    --spacing-sm: 0.4rem;
    --spacing-md: 0.8rem;
    --spacing-lg: 1.2rem;
    --spacing-xl: 1.6rem;
    --spacing-2xl: 2.4rem;
  }

  /* Force hide desktop navigation on mobile/tablet */
  nav.modern-navbar div.d-none.d-lg-flex.align-items-center.gap-3.desktop-nav,
  nav.modern-navbar div.d-none.d-lg-flex.align-items-center.gap-3.desktop-user,
  nav.modern-navbar .desktop-nav.d-none.d-lg-flex.align-items-center,
  nav.modern-navbar .desktop-user.d-none.d-lg-flex.align-items-center,
  nav.modern-navbar .desktop-nav.d-none.d-lg-flex,
  nav.modern-navbar .desktop-user.d-none.d-lg-flex,
  nav.modern-navbar .desktop-nav,
  nav.modern-navbar .desktop-user {
    display: none !important;
  }

  /* Ensure mobile hamburger is visible */
  nav.modern-navbar button.mobile-menu-toggle.d-lg-none,
  nav.modern-navbar .mobile-menu-toggle.d-lg-none,
  nav.modern-navbar .mobile-menu-toggle {
    display: flex !important;
  }

  .form-modern {
    padding: var(--spacing-lg);
    margin: var(--spacing-sm);
  }

  .card-modern {
    margin: var(--spacing-sm);
  }

  .table-modern {
    font-size: 0.875rem;
  }

  .btn-modern {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8rem;
  }

  /* Mobile navigation - now handled by hamburger menu */

  /* Role text mobile */
  .role-text {
    font-size: 0.8rem;
  }

  /* User avatar mobile */
  .user-avatar {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  /* Dropdown positioning */
  .modern-dropdown {
    position: fixed !important;
    top: auto !important;
    bottom: 10px !important;
    left: 10px !important;
    right: 10px !important;
    width: calc(100% - 20px) !important;
    min-width: auto !important;
    max-width: none !important;
  }

  /* Page title mobile */
  .page-title {
    font-size: 2rem;
    text-align: center;
  }

  /* Simple table mobile improvements - match flights page exactly */
  .table-modern,
  .table {
    font-size: 0.875rem !important;
  }

  .table-modern th,
  .table-modern td,
  .table th,
  .table td {
    padding: var(--spacing-xs) !important;
  }

  /* Table container for better mobile scrolling */
  .table-responsive {
    overflow-x: auto !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    -webkit-overflow-scrolling: touch !important;
    position: relative !important;
  }

  /* Add scroll indicator shadow for mobile tables */
  .table-responsive::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 20px;
    background: linear-gradient(to left, rgba(255,255,255,0.8), transparent);
    pointer-events: none;
    z-index: 1;
  }

  /* Container mobile */
  .container-modern {
    padding: var(--spacing-sm);
  }

  /* Button mobile */
  .btn-add,
  .btn-primary,
  .btn-orange {
    padding: var(--spacing-sm);
    font-size: 0.8rem;
    min-height: 40px;
  }
}

/* ============================================================================
   12.5. ADDITIONAL MOBILE RESPONSIVE BREAKPOINTS
   ============================================================================ */
@media (max-width: 576px) {
  /* Extra small devices */
  .modern-navbar {
    padding: var(--spacing-xs) 0;
  }

  .modern-navbar .navbar-brand {
    font-size: 1rem;
  }

  .modern-navbar .nav-link {
    padding: var(--spacing-xs);
    font-size: 0.75rem;
  }

  .role-text {
    font-size: 0.75rem;
  }

  .user-avatar {
    width: 24px;
    height: 24px;
    font-size: 0.7rem;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .table-modern,
  .table {
    font-size: 0.7rem;
  }

  .btn-add,
  .btn-primary,
  .btn-orange {
    padding: var(--spacing-xs);
    font-size: 0.75rem;
    min-height: 36px;
  }
}

@media (max-width: 480px) {
  /* Very small devices */
  .container-modern {
    padding: var(--spacing-xs);
  }

  .form-control {
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .mobile-nav-content {
    width: 100% !important;
    max-width: 100% !important;
  }
}

/* ============================================================================
   11. BRAND-SPECIFIC CARD COMPONENTS
   ============================================================================ */
.card-modern {
  background: var(--card-background);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card-modern:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.card-main-task {
  background: var(--card-background);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.card-result {
  background: var(--card-background);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

/* Enhanced glassmorphism for cards */
.card-glass {
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.card-glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

/* Brand-specific form elements */
.form-brand input,
.form-brand select,
.form-brand textarea {
  background: var(--card-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.form-brand input:focus,
.form-brand select:focus,
.form-brand textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(251, 107, 0, 0.1);
  outline: none;
}

/* Enhanced glass tables */
.table-glass-enhanced {
  background: var(--glass-background);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.12),
    0 2px 6px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  position: relative;
}

.table-glass-enhanced th {
  background: rgba(251, 107, 0, 0.1);
  backdrop-filter: blur(10px);
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--color-primary);
}

.table-glass-enhanced tr:hover {
  background: rgba(251, 107, 0, 0.05);
}

/* ============================================================================
   Pagination and Table Improvements
   ============================================================================ */

/* Pagination styles - active page light orange */
.pagination .page-item.active .page-link {
  background-color: #fc8533 !important;
  border-color: #fc8533 !important;
  color: #ffffff !important;
}

.pagination .page-link {
  color: var(--color-primary);
}

.pagination .page-link:hover {
  color: #000000;
  background-color: var(--color-light-gray);
}

/* Table striping - odd rows light grey */
.table-modern tbody tr:nth-child(odd),
.table-glass-enhanced tbody tr:nth-child(odd),
.table tbody tr:nth-child(odd),
table.table tbody tr:nth-child(odd) {
  background-color: #f5f5f5 !important;
}

.table-modern tbody tr:nth-child(even),
.table-glass-enhanced tbody tr:nth-child(even),
.table tbody tr:nth-child(even),
table.table tbody tr:nth-child(even) {
  background-color: #ffffff !important;
}

/* Maintain hover effect over striping */
.table-modern tbody tr:hover,
.table-glass-enhanced tbody tr:hover,
.table tbody tr:hover {
  background-color: rgba(251, 107, 0, 0.05) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.2s ease-out;
}

/* Add transition to all table rows for smooth animation */
.table-modern tbody tr,
.table-glass-enhanced tbody tr,
.table tbody tr {
  transition: all 0.2s ease-out;
}

/* Table content font size */
.table td,
table.table td {
  font-size: 0.9rem !important;
}

/* Add shadow to Bootstrap tables */
.table,
table.table {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.08),
    0 2px 4px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

/* ============================================================================
   12. ANIMATIONS & INTERACTIONS
   ============================================================================ */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
  animation: slideUp 0.5s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Hover animations for interactive elements */
.hover-lift {
  transition: transform var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-3px);
}

.hover-glow {
  transition: all var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(251, 107, 0, 0.3);
}

/* ============================================================================
   13. DARK MODE SUPPORT
   ============================================================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --color-text-primary: #2d3748;
    --color-text-secondary: #4a5568;
    --color-light-gray: #f8f9fa;
    --color-gray: #e2e8f0;
    --gradient-light: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    --glass-background: rgba(255, 255, 255, 0.25);
    --glass-background-dark: rgba(255, 255, 255, 0.4);
  }

  body {
    background: var(--color-white);
  }

  .form-control {
    background: var(--color-light-gray);
    border-color: var (--color-gray);
    color: var(--color-text-primary);
  }

  .card-modern {
    background: var(--color-light-gray);
    color: var(--color-text-primary);
  }
}