/* duday-premium.css – Duday Premium Mobile-First UX – december 2025 */
/* Volledig vernieuwd voor optimale mobiele ervaring */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Kleuren */
  --accent-main: #1741A6;
  --accent-main-rgb: 23, 65, 166;
  --accent-main-dark: #123476;
  --accent-main-light: #e8f0ff;
  --accent-green: #11c387;
  --accent-green-light: #e6f9f3;
  --accent-yellow: #f5a623;
  --accent-yellow-light: #fff8e6;
  --accent-danger: #e95864;
  --accent-danger-light: #fff0f1;

  /* Neutralen */
  --bg-light: #f6f8fc;
  --bg-white: #ffffff;
  --text-primary: #192238;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: rgba(120, 130, 140, 0.15);
  --border-light: rgba(120, 130, 140, 0.08);

  /* Glass effect */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-blur: 20px;
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(30, 50, 120, 0.08);

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

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Touch targets */
  --touch-target: 48px;

  /* Container */
  --container-max: 1200px;

  /* Safe areas for mobile */
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);

  /* Bottom nav height */
  --bottom-nav-height: 72px;
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */
@media (prefers-color-scheme: dark) {
  :root {
    /* Dark mode kleuren */
    --bg-light: #0f172a;
    --bg-white: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);

    /* Glass effect voor dark mode */
    --glass-bg: rgba(30, 41, 59, 0.85);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Aangepaste accent kleuren voor betere contrast */
    --accent-main-light: rgba(23, 65, 166, 0.2);
    --accent-green-light: rgba(17, 195, 135, 0.2);
    --accent-yellow-light: rgba(245, 166, 35, 0.2);
    --accent-danger-light: rgba(233, 88, 100, 0.2);
  }

  body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  }

  .form-control,
  .form-select {
    background: rgba(15, 23, 42, 0.5);
    color: var(--text-primary);
  }

  .table,
  .table-premium {
    background: var(--bg-white);
  }

  .table thead tr {
    background: linear-gradient(135deg, rgba(23, 65, 166, 0.2), rgba(23, 65, 166, 0.15));
  }

  .table-mobile-cards tbody tr {
    background: var(--bg-white);
  }

  .skeleton {
    background: linear-gradient(90deg, #1e293b 25%, #334155 50%, #1e293b 75%);
    background-size: 200% 100%;
  }

  .btn-outline-secondary {
    background: transparent;
    border-color: var(--border-color);
  }

  .btn-outline-secondary:hover,
  .btn-outline-secondary:focus {
    background: var(--accent-main-light);
    color: var(--accent-main);
    border-color: var(--accent-main);
  }

  /* Verbeterde schaduwen voor dark mode */
  .glass-card,
  .card,
  .client-card,
  .totals-section,
  .file-upload-area,
  .modal-content {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  }

  ::-webkit-scrollbar-thumb {
    background: #475569;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
  }
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--bg-light) 0%, #e8f0fa 100%);
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-md);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }

@media (min-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

p {
  margin: 0 0 var(--space-md);
}

a {
  color: var(--accent-main);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-main-dark);
}

/* ============================================
   LAYOUT - MAIN CONTAINER
   ============================================ */
.main-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md);
  padding-top: var(--space-lg);
  padding-bottom: calc(var(--bottom-nav-height) + var(--space-xl) + var(--safe-area-bottom));
}

@media (min-width: 768px) {
  .main-container {
    padding: var(--space-xl) var(--space-lg);
    padding-bottom: var(--space-2xl);
  }
}

/* Container utility */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md);
  padding-bottom: calc(var(--bottom-nav-height) + var(--space-xl) + var(--safe-area-bottom));
}

@media (min-width: 768px) {
  .container {
    padding: var(--space-lg);
    padding-bottom: var(--space-2xl);
  }
}

/* ============================================
   NAVBAR - DESKTOP
   ============================================ */
.navbar-premium,
.navbar-custom {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: var(--space-sm) 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent-main) !important;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.navbar-brand:hover {
  transform: scale(1.02);
}

.navbar-brand i {
  font-size: 1.5rem;
}

/* Desktop nav links */
.navbar-nav {
  display: flex;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  min-height: var(--touch-target);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-secondary) !important;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link i {
  font-size: 1.125rem;
}

.nav-link:hover,
.nav-link:focus {
  background: var(--accent-main-light);
  color: var(--accent-main) !important;
}

.nav-link.active {
  background: var(--accent-main);
  color: white !important;
  box-shadow: 0 4px 12px rgba(var(--accent-main-rgb), 0.3);
}

.nav-link.text-danger {
  color: var(--accent-danger) !important;
}

.nav-link.text-danger:hover {
  background: var(--accent-danger-light);
  color: var(--accent-danger) !important;
}

/* Hamburger button */
.navbar-toggler {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  padding: 0;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.navbar-toggler:hover,
.navbar-toggler:focus {
  background: var(--accent-main-light);
  outline: none;
  box-shadow: none;
}

/* Mobile menu styles */
@media (max-width: 991px) {
  .navbar-collapse {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background: var(--bg-white);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
    padding: var(--space-xl) var(--space-lg);
    padding-top: calc(var(--space-xl) + var(--safe-area-top));
    transition: right var(--transition-normal);
    z-index: 1050;
    overflow-y: auto;
  }

  .navbar-collapse.show,
  .navbar-collapse.collapsing {
    right: 0;
  }

  .navbar-nav {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .nav-link {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
    border-radius: var(--radius-md);
  }

  /* Overlay */
  .navbar-collapse::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 100%;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
  }

  .navbar-collapse.show::before {
    right: 85%;
    opacity: 1;
    pointer-events: auto;
  }
}

/* Hide desktop nav on mobile, show bottom nav instead */
@media (max-width: 767px) {
  .navbar-premium .navbar-nav,
  .navbar-custom .navbar-nav,
  .navbar-toggler {
    display: none !important;
  }
}

/* ============================================
   BOTTOM NAVIGATION - MOBILE
   ============================================ */
.bottom-nav {
  display: none;
}

@media (max-width: 767px) {
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    padding-bottom: var(--safe-area-bottom);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
  }

  .bottom-nav-inner {
    display: flex;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
  }

  .bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: var(--space-sm) var(--space-xs);
    min-height: var(--bottom-nav-height);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.6875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
  }

  .bottom-nav-item i {
    font-size: 1.375rem;
    transition: transform var(--transition-fast);
  }

  .bottom-nav-item:hover,
  .bottom-nav-item:focus {
    color: var(--accent-main);
  }

  .bottom-nav-item:hover i {
    transform: scale(1.1);
  }

  .bottom-nav-item.active {
    color: var(--accent-main);
  }

  .bottom-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--accent-main);
    border-radius: 0 0 3px 3px;
  }

  .bottom-nav-item.active i {
    transform: scale(1.1);
  }

  /* More menu button */
  .bottom-nav-more {
    position: relative;
  }

  .bottom-nav-menu {
    display: none;
    position: absolute;
    bottom: calc(100% + var(--space-sm));
    right: var(--space-sm);
    min-width: 180px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    padding: var(--space-sm);
    animation: slideUp 0.2s ease;
  }

  .bottom-nav-menu.show {
    display: block;
  }

  .bottom-nav-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
  }

  .bottom-nav-menu-item:hover {
    background: var(--accent-main-light);
    color: var(--accent-main);
  }

  .bottom-nav-menu-item.text-danger {
    color: var(--accent-danger);
  }

  .bottom-nav-menu-item.text-danger:hover {
    background: var(--accent-danger-light);
  }
}

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

/* ============================================
   GLASS CARDS
   ============================================ */
.glass-card,
.card,
.client-card,
.totals-section,
.file-upload-area,
.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .glass-card,
  .card,
  .client-card,
  .totals-section,
  .file-upload-area {
    padding: var(--space-xl);
  }
}

.card-body {
  padding: 0;
}

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

/* Stat cards */
.stat-card {
  text-align: center;
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.stat-card .display-6 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .stat-card .display-6 {
    font-size: 2rem;
  }
}

/* Trend indicators */
.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  margin-top: var(--space-xs);
}

.stat-trend.trend-up {
  background: var(--accent-green-light);
  color: var(--accent-green);
}

.stat-trend.trend-down {
  background: var(--accent-danger-light);
  color: var(--accent-danger);
}

.stat-trend.trend-neutral {
  background: var(--accent-main-light);
  color: var(--text-secondary);
}

.stat-trend i {
  font-size: 1rem;
}

.stat-comparison {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
  display: block;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: var(--touch-target);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent-main);
  color: white;
  box-shadow: 0 4px 12px rgba(var(--accent-main-rgb), 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-main-dark);
  color: white;
  box-shadow: 0 6px 16px rgba(var(--accent-main-rgb), 0.35);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--accent-green);
  color: white;
  box-shadow: 0 4px 12px rgba(17, 195, 135, 0.25);
}

.btn-success:hover,
.btn-success:focus {
  background: #0da874;
  color: white;
  box-shadow: 0 6px 16px rgba(17, 195, 135, 0.35);
  transform: translateY(-1px);
}

.btn-outline-secondary {
  background: var(--bg-white);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background: var(--accent-main-light);
  color: var(--accent-main);
  border-color: var(--accent-main);
}

.btn-outline-primary {
  background: transparent;
  color: var(--accent-main);
  border: 1px solid var(--accent-main);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--accent-main);
  color: white;
}

.btn-outline-danger {
  background: transparent;
  color: var(--accent-danger);
  border: 1px solid var(--accent-danger);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus {
  background: var(--accent-danger);
  color: white;
}

/* Small buttons */
.btn-sm {
  min-height: 36px;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

/* Button group for actions */
.action-btns {
  display: flex;
  gap: var(--space-xs);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   QUICK ACTIONS
   ============================================ */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.quick-actions .btn {
  width: 100%;
  padding: var(--space-md);
  font-size: 0.8125rem;
}

@media (min-width: 480px) {
  .quick-actions {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .quick-actions .btn {
    width: auto;
    font-size: 0.9375rem;
  }
}

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

.form-control,
.form-select {
  width: 100%;
  min-height: var(--touch-target);
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  -webkit-appearance: none;
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-main);
  box-shadow: 0 0 0 3px rgba(var(--accent-main-rgb), 0.15);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* Textarea */
textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Form group */
.mb-3 {
  margin-bottom: var(--space-lg) !important;
}

/* Form validation feedback */
.form-group {
  position: relative;
  margin-bottom: var(--space-lg);
}

.form-control.is-valid {
  border-color: var(--accent-green);
  padding-right: 48px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2311c387' viewBox='0 0 16 16'%3E%3Cpath d='M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-control.is-invalid {
  border-color: var(--accent-danger);
  padding-right: 48px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23e95864' viewBox='0 0 16 16'%3E%3Cpath d='M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14zm0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16z'/%3E%3Cpath d='M7.002 11a1 1 0 1 1 2 0 1 1 0 0 1-2 0zM7.1 4.995a.905.905 0 1 1 1.8 0l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 4.995z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(17, 195, 135, 0.15);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(233, 88, 100, 0.15);
}

.valid-feedback,
.invalid-feedback {
  display: none;
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  padding-left: var(--space-xs);
}

.valid-feedback {
  color: var(--accent-green);
}

.invalid-feedback {
  color: var(--accent-danger);
}

.form-control.is-valid ~ .valid-feedback {
  display: block;
}

.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

/* Real-time validation indicator */
.form-group.validating .form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 0a8 8 0 1 0 0 16A8 8 0 0 0 8 0zM7 11.5V5h2v6.5H7z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ============================================
   TABLES
   ============================================ */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(-1 * var(--space-md));
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .table-responsive {
    margin: 0;
    padding: 0;
    overflow: visible;
  }
}

.table,
.table-premium {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

.table th,
.table td {
  padding: var(--space-md);
  text-align: left;
  vertical-align: middle;
  border: none;
  font-size: 0.875rem;
}

.table thead tr {
  background: linear-gradient(135deg, var(--accent-main-light), #f0f4ff);
}

.table th {
  font-weight: 600;
  color: var(--accent-main);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}

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

.table tbody tr:hover {
  background: var(--accent-main-light);
}

.table-striped tbody tr:nth-child(odd) {
  background: rgba(var(--accent-main-rgb), 0.02);
}

.table-striped tbody tr:nth-child(odd):hover {
  background: var(--accent-main-light);
}

/* Mobile card view for tables */
@media (max-width: 767px) {
  .table-mobile-cards thead {
    display: none;
  }

  .table-mobile-cards tbody tr {
    display: block;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--border-light);
  }

  .table-mobile-cards tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
  }

  .table-mobile-cards tbody td:last-child {
    border-bottom: none;
    padding-top: var(--space-md);
    justify-content: flex-end;
  }

  .table-mobile-cards tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
  }

  .table-mobile-cards tbody td:last-child::before {
    display: none;
  }
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.bg-success {
  background: var(--accent-green) !important;
  color: white !important;
}

.bg-warning {
  background: var(--accent-yellow) !important;
  color: #7c4a00 !important;
}

.bg-danger {
  background: var(--accent-danger) !important;
  color: white !important;
}

.bg-secondary {
  background: #e2e8f0 !important;
  color: var(--text-secondary) !important;
}

/* Status badges */
.status-mail-gelezen {
  background: var(--accent-green-light) !important;
  color: var(--accent-green) !important;
}

.status-mail-ongelezen {
  background: var(--accent-danger-light) !important;
  color: var(--accent-danger) !important;
}

/* ============================================
   ALERTS / NOTIFICATIONS
   ============================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  border: none;
}

.alert i {
  flex-shrink: 0;
  font-size: 1.25rem;
  margin-top: 2px;
}

.alert-success {
  background: var(--accent-green-light);
  color: #0d7a58;
}

.alert-warning {
  background: var(--accent-yellow-light);
  color: #8b5a00;
}

.alert-danger {
  background: var(--accent-danger-light);
  color: #b91c1c;
}

.notification-area {
  margin-bottom: var(--space-lg);
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 400px;
  pointer-events: none;
}

@media (max-width: 767px) {
  .toast-container {
    top: var(--space-md);
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  border-left: 4px solid var(--accent-main);
  pointer-events: auto;
  animation: toastSlideIn 0.3s ease-out;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toast:hover {
  transform: translateX(-4px);
  box-shadow: 0 12px 48px rgba(30, 50, 120, 0.15);
}

.toast.toast-success {
  border-left-color: var(--accent-green);
}

.toast.toast-warning {
  border-left-color: var(--accent-yellow);
}

.toast.toast-error {
  border-left-color: var(--accent-danger);
}

.toast.toast-hiding {
  animation: toastSlideOut 0.3s ease-out forwards;
}

.toast-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.875rem;
  margin-top: 2px;
}

.toast.toast-success .toast-icon {
  background: var(--accent-green-light);
  color: var(--accent-green);
}

.toast.toast-warning .toast-icon {
  background: var(--accent-yellow-light);
  color: var(--accent-yellow);
}

.toast.toast-error .toast-icon {
  background: var(--accent-danger-light);
  color: var(--accent-danger);
}

.toast.toast-info .toast-icon {
  background: var(--accent-main-light);
  color: var(--accent-main);
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.toast-message {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.toast-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  margin-top: 2px;
}

.toast-close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastSlideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ============================================
   STICKY FOOTER (for forms)
   ============================================ */
.sticky-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
  padding: var(--space-md) var(--space-lg);
  padding-bottom: calc(var(--space-md) + var(--safe-area-bottom));
  z-index: 900;
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
}

@media (max-width: 767px) {
  .sticky-footer {
    bottom: var(--bottom-nav-height);
    padding: var(--space-sm) var(--space-md);
    flex-direction: column;
    gap: var(--space-sm);
  }

  .sticky-footer .btn {
    width: 100%;
  }
}

/* ============================================
   CHARTS
   ============================================ */
.status-pie-container {
  width: 100%;
  max-width: 280px;
  margin: 0 auto var(--space-lg);
  padding: var(--space-md);
}

@media (min-width: 768px) {
  .status-pie-container {
    max-width: 320px;
    padding: var(--space-lg);
  }
}

/* ============================================
   RESPONSIVE GRID HELPERS
   ============================================ */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(-1 * var(--space-sm));
}

.row > [class*="col-"] {
  padding: 0 var(--space-sm);
}

.main-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (min-width: 640px) {
  .main-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .main-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.main-cards .card,
.main-cards .glass-card {
  margin-bottom: 0;
}

/* ============================================
   FILE UPLOAD
   ============================================ */
.file-upload-area {
  border: 2px dashed var(--border-color);
  background: rgba(var(--accent-main-rgb), 0.02);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-upload-area:hover,
.file-upload-area.dragover {
  border-color: var(--accent-main);
  background: var(--accent-main-light);
}

.file-upload-area i {
  font-size: 2.5rem;
  color: var(--accent-main);
  margin-bottom: var(--space-sm);
}

/* ============================================
   MODALS
   ============================================ */
.modal-content {
  margin: var(--space-md);
  max-height: calc(100vh - var(--space-xl));
  max-height: calc(100dvh - var(--space-xl));
  overflow-y: auto;
}

.modal-header {
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--space-lg);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-footer {
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

@media (max-width: 767px) {
  .modal-footer {
    flex-direction: column-reverse;
  }

  .modal-footer .btn {
    width: 100%;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.4s ease-out;
}

/* Stagger animations for cards */
.main-cards > *:nth-child(1) { animation-delay: 0ms; }
.main-cards > *:nth-child(2) { animation-delay: 50ms; }
.main-cards > *:nth-child(3) { animation-delay: 100ms; }

.main-cards > * {
  animation: fadeInUp 0.4s ease-out backwards;
}

/* ============================================
   DRAG & DROP
   ============================================ */
.draggable {
  cursor: grab;
  transition: all var(--transition-fast);
}

.draggable:hover {
  background: var(--accent-main-light);
  box-shadow: 0 4px 16px rgba(var(--accent-main-rgb), 0.1);
}

.draggable:active {
  cursor: grabbing;
}

/* ============================================
   SCROLLBAR (Desktop)
   ============================================ */
@media (min-width: 768px) {
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  ::-webkit-scrollbar-track {
    background: transparent;
  }

  ::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
  }
}

/* ============================================
   SEARCH FUNCTIONALITY
   ============================================ */
.search-bar {
  position: relative;
  margin-bottom: var(--space-lg);
}

.search-input {
  width: 100%;
  min-height: var(--touch-target);
  padding: var(--space-sm) var(--space-lg);
  padding-left: 48px;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-main);
  box-shadow: 0 0 0 3px rgba(var(--accent-main-rgb), 0.15);
}

.search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.25rem;
  pointer-events: none;
}

.search-clear {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: var(--text-muted);
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.search-clear.show {
  display: flex;
}

.search-clear:hover {
  background: var(--text-secondary);
  transform: translateY(-50%) scale(1.1);
}

.search-results-info {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--accent-main-light);
  border-radius: var(--radius-md);
}

.search-highlight {
  background: var(--accent-yellow-light);
  color: var(--text-primary);
  font-weight: 600;
  padding: 2px 4px;
  border-radius: 3px;
}

/* ============================================
   BULK SELECTION
   ============================================ */
.bulk-actions-bar {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + var(--space-md));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--accent-main);
  color: white;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 32px rgba(var(--accent-main-rgb), 0.4);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  z-index: 999;
  transition: transform var(--transition-normal);
}

.bulk-actions-bar.show {
  transform: translateX(-50%) translateY(0);
}

@media (min-width: 768px) {
  .bulk-actions-bar {
    bottom: var(--space-xl);
  }
}

.bulk-actions-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 0.9375rem;
}

.bulk-actions-buttons {
  display: flex;
  gap: var(--space-sm);
}

.bulk-actions-buttons .btn {
  min-height: 36px;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
}

.bulk-actions-buttons .btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.checkbox-cell {
  width: 48px;
  text-align: center;
}

.table-checkbox {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--accent-main);
}

.table tbody tr.selected {
  background: var(--accent-main-light) !important;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-muted {
  color: var(--text-muted) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.text-primary {
  color: var(--accent-main) !important;
}

.text-success {
  color: var(--accent-green) !important;
}

.text-warning {
  color: var(--accent-yellow) !important;
}

.text-danger {
  color: var(--accent-danger) !important;
}

.text-center {
  text-align: center !important;
}

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

.text-sm {
  font-size: 0.875rem;
}

.fw-bold {
  font-weight: 700 !important;
}

.d-block {
  display: block !important;
}

.d-flex {
  display: flex !important;
}

.d-none {
  display: none !important;
}

.d-md-block {
  display: none !important;
}

@media (min-width: 768px) {
  .d-md-block {
    display: block !important;
  }

  .d-md-none {
    display: none !important;
  }
}

.gap-1 { gap: var(--space-xs) !important; }
.gap-2 { gap: var(--space-sm) !important; }
.gap-3 { gap: var(--space-md) !important; }

.me-2 { margin-right: var(--space-sm) !important; }
.me-3 { margin-right: var(--space-md) !important; }
.mb-2 { margin-bottom: var(--space-sm) !important; }
.mb-3 { margin-bottom: var(--space-md) !important; }
.mb-4 { margin-bottom: var(--space-lg) !important; }
.mt-2 { margin-top: var(--space-sm) !important; }
.mt-4 { margin-top: var(--space-lg) !important; }

.w-100 { width: 100% !important; }

.border-0 { border: none !important; }

.shadow-sm {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
}

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--text-secondary);
  background: var(--glass-bg);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border-color);
  margin: var(--space-lg) 0;
}

.empty-state i {
  font-size: 4rem;
  color: var(--accent-main);
  margin-bottom: var(--space-md);
  opacity: 0.6;
  display: block;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.empty-state-message {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.empty-state-action {
  margin-top: var(--space-lg);
}

.empty-state .btn {
  box-shadow: 0 4px 12px rgba(var(--accent-main-rgb), 0.25);
}

/* Empty state variants */
.empty-state.empty-state-sm {
  padding: var(--space-lg);
}

.empty-state.empty-state-sm i {
  font-size: 2.5rem;
}

.empty-state.empty-state-lg {
  padding: var(--space-2xl) var(--space-xl);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.empty-state.empty-state-lg i {
  font-size: 5rem;
}

/* Empty state illustration animation */
.empty-state i {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Spinner loader */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spinner-rotate 0.6s linear infinite;
}

.spinner-primary {
  border-color: rgba(var(--accent-main-rgb), 0.3);
  border-top-color: var(--accent-main);
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

@keyframes spinner-rotate {
  to { transform: rotate(360deg); }
}

/* Loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.loading-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.loading-overlay .spinner {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

/* Skeleton variants */
.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-sm);
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: var(--space-md);
}

.skeleton-card {
  height: 120px;
  margin-bottom: var(--space-md);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

/* Button loading state */
.btn.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spinner-rotate 0.6s linear infinite;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .navbar-premium,
  .navbar-custom,
  .bottom-nav,
  .sticky-footer,
  .quick-actions,
  .btn {
    display: none !important;
  }

  body {
    background: white !important;
  }

  .main-container,
  .container {
    padding: 0 !important;
    max-width: none !important;
  }
}

/* ============================================
   DUDAY LOGO
   ============================================ */
.duday-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(var(--accent-main-rgb), 0.2);
}

/* ============================================
   SELECT2 OVERRIDES (if used)
   ============================================ */
.select2-container--default .select2-selection--single {
  min-height: var(--touch-target);
  border-radius: var(--radius-md);
  border-color: var(--border-color);
  padding: var(--space-sm);
}

.select2-container--default .select2-selection--single:focus {
  border-color: var(--accent-main);
  box-shadow: 0 0 0 3px rgba(var(--accent-main-rgb), 0.15);
}

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

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 3px solid var(--accent-main);
  outline-offset: 3px;
  border-radius: 4px;
}

button:focus-visible,
.btn:focus-visible,
a:focus-visible {
  outline: 3px solid var(--accent-main);
  outline-offset: 3px;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--accent-main);
  color: white;
  z-index: 9999;
  transition: top var(--transition-fast);
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) 0;
  box-shadow: 0 4px 12px rgba(var(--accent-main-rgb), 0.3);
}

.skip-link:focus {
  top: 0;
  color: white;
}

/* Screen reader only text */
.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;
}

.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: rgba(0, 0, 0, 0.5);
    --border-light: rgba(0, 0, 0, 0.3);
  }

  .glass-card,
  .card,
  .modal-content {
    border: 2px solid var(--border-color);
  }

  .btn {
    border: 2px solid currentColor;
  }
}

/* Enhanced focus indicators for interactive elements */
.form-control:focus-visible,
.form-select:focus-visible {
  outline: 3px solid var(--accent-main);
  outline-offset: 2px;
}

.table tbody tr:focus-within {
  outline: 2px solid var(--accent-main);
  outline-offset: -2px;
}

/* Ensure text meets WCAG contrast requirements */
.text-small {
  font-size: 0.875rem;
  /* Ensure sufficient contrast for smaller text */
}

/* Live region for dynamic content */
.live-region {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Accessible tooltips */
[role="tooltip"] {
  position: absolute;
  z-index: 10000;
  padding: var(--space-xs) var(--space-sm);
  background: var(--text-primary);
  color: white;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}