/* 📱 De Grillworstboer - Mobile-First CSS */

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Brand Colors - De Grillworstboer Huisstijl */
  --primary: #F5A623;          /* Hoofd geel (website geel) */
  --primary-dark: #4a4a4a;     /* Hover kleur grijs (medium) */
  --primary-light: #6a6a6a;    /* Lichter grijs hover */
  --secondary: #2b2b2b;        /* Header kleur (donkergrijs) */
  --accent: #F5A623;           /* Geel voor contrast */
  
  /* Status Colors */
  --success: #28a745;
  --warning: #ffc107;
  --error: #dc3545;
  --info: #17a2b8;
  
  /* Neutrals */
  --white: #ffffff;
  --light: #1a1a1a;         /* Donkere achtergrond */
  --gray-100: #e8e8e8;      /* Very light (voor contrast) */
  --gray-200: #d8d8d8;      /* Light borders */
  --gray-300: #8e8e8e;      /* Basis tekst kleur */
  --gray-400: #8e8e8e;      /* Basis tekst kleur */
  --gray-500: #8e8e8e;      /* Basis tekst kleur */
  --gray-600: #525252;      /* Donkerder grijs */
  --gray-700: #353535;      /* Details kleur */
  --gray-800: #29333C;      /* CTA sectie */
  --gray-900: #2b2b2b;      /* Features sectie */
  --black: #000000;         /* Pure zwart */
  --dark-bg: #1a1a1a;       /* Achtergrond kleur site */
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition: all 0.2s ease-in-out;
}

/* Typography */
html {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-300); /* Basis tekst kleur middengrijs */
  background-color: var(--dark-bg); /* Donkergrijs/zwart achtergrond */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch; /* Smooth scrolling op iOS */
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--space-md);
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-md);
}

/* Main content areas should have dark background */
main {
  background-color: var(--dark-bg);
  min-height: 100vh;
}

/* Grid System - Mobile First */
.grid {
  display: grid;
  gap: var(--space-md);
}

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Responsive grid for larger screens */
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }

/* Touch-Friendly Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  min-height: 44px; /* iOS minimum touch target */
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--black); /* Dark text on yellow button */
  font-weight: 600;
  box-shadow: 0 0 10px rgba(245, 166, 35, 0.3);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-light);
  color: var(--black);
  box-shadow: 0 0 15px rgba(245, 166, 35, 0.5);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--white);
}

.btn-success {
  background-color: var(--success);
  color: var(--white);
}

.btn-warning {
  background-color: var(--warning);
  color: var(--gray-900);
}

.btn-error, .btn-danger {
  background-color: var(--error);
  color: var(--white);
}

.btn-error:hover, .btn-danger:hover {
  background-color: #c82333;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--black);
  box-shadow: 0 0 10px rgba(245, 166, 35, 0.4);
}

/* Size variants */
.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-lg);
  min-height: 52px;
}

/* Cards */
.card {
  background-color: var(--gray-700);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--gray-900);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--primary);
  background-color: var(--gray-900);
  color: var(--primary);
}

.card-body {
  padding: var(--space-lg);
}

.card-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--gray-900);
  background-color: var(--gray-900);
  color: var(--gray-300);
}

/* Forms - Touch Optimized */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--gray-300);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  min-height: 44px; /* Touch target */
  font-size: var(--font-size-base);
  border: 2px solid var(--gray-900);
  border-radius: var(--radius-md);
  background-color: var(--gray-900);
  color: var(--gray-300);
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success {
  background-color: var(--success);
  color: var(--white);
}

.badge-warning {
  background-color: var(--primary);
  color: var(--black);
}

.badge-error {
  background-color: var(--error);
  color: var(--white);
}

.badge-info {
  background-color: var(--gray-600);
  color: var(--white);
}

/* Navigation */
.nav {
  background-color: var(--black);
  color: var(--gray-300);
  padding: var(--space-md);
  border-bottom: 2px solid var(--primary);
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: bold;
  color: var(--primary);
  text-decoration: none;
}

.nav-menu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  padding: var(--space-sm) var(--space-md);
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-link:hover, .nav-link.active {
  background-color: rgba(245, 166, 35, 0.1);
  color: var(--primary);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--white);
  font-size: var(--font-size-xl);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
  
  .nav-toggle {
    display: none;
  }
}

/* Bottom Navigation for Mobile */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--black);
  border-top: 2px solid var(--primary);
  display: flex;
  justify-content: space-around;
  padding: var(--space-xs) 0;
  z-index: 1000;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-xs);
  text-decoration: none;
  color: var(--gray-300);
  font-size: var(--font-size-xs);
  min-width: 44px;
  transition: var(--transition);
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
  color: var(--primary);
}

.bottom-nav-icon {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

/* Desktop Kassa Navigation - ALWAYS VISIBLE */
.kassa-desktop-nav {
  display: block !important;
  margin-bottom: var(--space-lg);
}

.kassa-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  text-decoration: none;
  color: var(--gray-300);
  background: var(--gray-700);
  border-radius: var(--radius-lg);
  border: 2px solid var(--gray-900);
  transition: var(--transition);
  text-align: center;
  min-height: 120px;
  box-shadow: var(--shadow-sm);
}

.kassa-nav-item:hover,
.kassa-nav-item.active {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--gray-900);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(245, 166, 35, 0.3);
}

.kassa-nav-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xs);
}

.nav-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

/* Show desktop nav on larger screens, hide bottom nav */
@media (min-width: 768px) {
  .kassa-desktop-nav {
    display: block;
  }
  
  .bottom-nav {
    display: none;
  }
  
  body {
    padding-bottom: 0;
  }
}

/* Mobile specific adjustments */
@media (max-width: 767px) {
  body {
    padding-bottom: 80px; /* Space for bottom nav */
    padding-top: 60px; /* Space for fixed header */
    overflow-x: hidden; /* Prevent horizontal scroll */
    overflow-y: auto; /* Allow vertical scroll */
  }
  
  .container {
    padding: 0 var(--space-sm);
    max-width: 100%;
  }
  
  .card-body, .card-header, .card-footer {
    padding: var(--space-md);
  }
  
  /* Mobile Navigation Fixes */
  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 60px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-md);
  }
  
  .nav-brand {
    font-size: var(--font-size-lg);
    flex: 1;
  }
  
  .nav-actions {
    display: none; /* Hide on mobile */
  }
  
  /* Mobile Grid System */
  .grid {
    grid-template-columns: 1fr !important;
  }
  
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  
  /* Button Groups Mobile */
  .btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
  }
  
  .btn-group .btn {
    flex: 1 1 calc(50% - var(--space-xs));
    min-width: 120px;
  }
  
  /* Cards Mobile Optimization */
  .card {
    margin-bottom: var(--space-md);
  }
  
  /* Statistics Cards Mobile */
  .stat-card {
    min-height: 80px;
    padding: var(--space-sm);
  }
  
  .stat-card .text-3xl {
    font-size: var(--font-size-xl);
  }
  
  .stat-card .text-xs {
    font-size: var(--font-size-xs);
    margin-top: var(--space-xs);
  }
  
  /* Form Elements Mobile */
  .form-input, .form-select, .form-textarea {
    font-size: 16px; /* Prevent zoom on iOS */
  }
  
  /* Table Responsive */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  table {
    min-width: 600px;
  }
  
  /* Hide desktop nav completely */
  .kassa-desktop-nav {
    display: none !important;
  }
  
  /* Enhanced Bottom Navigation */
  .bottom-nav {
    height: 60px;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .bottom-nav-item {
    padding: var(--space-sm);
    min-height: 60px;
  }
  
  .bottom-nav-icon {
    font-size: var(--font-size-xl);
  }
}

/* QR Scanner Styles */
.qr-scanner {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.qr-video {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  background-color: var(--gray-900);
}

.qr-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  background: rgba(245, 166, 35, 0.1);
}

.qr-corners {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 3px solid var(--primary);
}

.qr-corners::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 3px solid var(--primary);
}

.qr-corner-tl {
  top: -3px;
  left: -3px;
  border-right: none;
  border-bottom: none;
}

.qr-corner-tr {
  top: -3px;
  right: -3px;
  border-left: none;
  border-bottom: none;
}

.qr-corner-bl {
  bottom: -3px;
  left: -3px;
  border-right: none;
  border-top: none;
}

.qr-corner-br {
  bottom: -3px;
  right: -3px;
  border-left: none;
  border-top: none;
}

/* Loading States */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-700);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--primary); }
.text-error { color: var(--error); }
.text-gray { color: var(--gray-500); }

.bg-primary { background-color: var(--primary); }
.bg-light { background-color: var(--light); }
.bg-dark { background-color: var(--dark-bg); }
.bg-card { background-color: var(--gray-700); }

.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }

.m-0 { margin: 0; }
.m-sm { margin: var(--space-sm); }
.m-md { margin: var(--space-md); }
.m-lg { margin: var(--space-lg); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for keyboard navigation */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --gray-300: #000000;
    --gray-500: #000000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Footer section dark theme */
.footer-section, footer {
  background-color: var(--dark-bg) !important;
  color: var(--gray-300) !important;
  border-top: 2px solid var(--primary);
}

.footer-section a, footer a {
  color: var(--primary);
}

.footer-section a:hover, footer a:hover {
  color: var(--primary-dark);
}

/* Product List Styles */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: var(--gray-900);
}

.product-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background-color: var(--gray-700);
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.product-item:hover {
  background-color: var(--gray-900);
  border-left-color: var(--primary);
}

.product-item.product-reserved {
  border-left-color: var(--primary);
  background-color: rgba(245, 166, 35, 0.1);
}

.product-item.product-expired {
  border-left-color: var(--error);
  background-color: rgba(220, 53, 69, 0.1);
}

.product-info {
  flex: 1;
}

.product-code {
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

.product-type {
  font-size: var(--font-size-base);
  color: var(--white);
  margin-bottom: var(--space-xs);
}

.product-details {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.product-status {
  margin-left: var(--space-md);
}

/* Badge Styles */
.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background-color: var(--success);
  color: var(--white);
}

.badge-warning {
  background-color: var(--primary);
  color: var(--black);
}

.badge-info {
  background-color: var(--info);
  color: var(--white);
}

.badge-danger {
  background-color: var(--error);
  color: var(--white);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--gray-500);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.empty-state h3 {
  color: var(--primary);
  margin-bottom: var(--space-md);
}

.empty-state p {
  margin-bottom: var(--space-lg);
}