/* ==========================================================================
   Italo POS - Premium Dark Theme Stylesheet
   Version: 1.0.0
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
  /* Color Palette - Dark Theme */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-tertiary: #1a1a25;
  --color-bg-elevated: #22222f;
  --color-bg-hover: #2a2a3a;
  
  /* Accent Colors */
  --color-accent-primary: #6366f1;
  --color-accent: #6366f1;  /* Alias for premium.css compatibility */
  --color-accent-primary-hover: #818cf8;
  --color-accent-primary-muted: rgba(99, 102, 241, 0.15);
  --color-accent-secondary: #22d3ee;
  --color-accent-secondary-muted: rgba(34, 211, 238, 0.15);
  --color-accent-success: #10b981;
  --color-accent-success-muted: rgba(16, 185, 129, 0.15);
  --color-accent-warning: #f59e0b;
  --color-accent-warning-muted: rgba(245, 158, 11, 0.15);
  --color-accent-danger: #ef4444;
  --color-accent-danger-muted: rgba(239, 68, 68, 0.15);
  --color-accent-info: #3b82f6;
  --color-accent-info-muted: rgba(59, 130, 246, 0.15);

  /* Text Colors */
  --color-text-primary: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-tertiary: #64748b;
  --color-text-muted: #475569;
  --color-text-inverse: #0a0a0f;

  /* Border Colors */
  --color-border-primary: #2a2a3a;
  --color-border-secondary: #1e1e2a;
  --color-border-hover: #3a3a4a;
  --color-border-focus: #6366f1;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.3);
  --shadow-glow-danger: 0 0 20px rgba(239, 68, 68, 0.3);

  /* Typography */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  
  --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: 1.875rem;
  --font-size-4xl: 2.25rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* 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: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-slower: 500ms ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-toast: 800;
}

/* ==========================================================================
   Base / Reset Styles
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

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

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

code, pre {
  font-family: var(--font-family-mono);
}

code {
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--color-accent-secondary);
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

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

.grid {
  display: grid;
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card:hover::before {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-secondary);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.card-body {
  flex: 1;
}

.card-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-secondary);
}

.card-elevated {
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-md);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  background: var(--color-bg-hover);
}

/* Card Variants */
.card-primary {
  border-color: var(--color-accent-primary-muted);
}

.card-success {
  border-color: var(--color-accent-success-muted);
}

.card-warning {
  border-color: var(--color-accent-warning-muted);
}

.card-danger {
  border-color: var(--color-accent-danger-muted);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  user-select: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--color-accent-primary-muted);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(0.6);
  box-shadow: none !important;
  transform: none !important;
}

/* Accessible disabled states - distinct visual that passes WCAG */
.btn:disabled,
.btn[aria-disabled="true"] {
  /* Remove all interactive affordances */
  filter: grayscale(0.7) brightness(0.8);
  /* Use pattern overlay to make it visually distinct */
  position: relative;
  overflow: hidden;
}
.btn:disabled::after,
.btn[aria-disabled="true"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(0,0,0,0.08) 4px,
    rgba(0,0,0,0.08) 8px
  );
  pointer-events: none;
}
/* Success button disabled - use a distinct muted teal instead of just opacity */
.btn.btn-success:disabled {
  background: #1a3a35 !important;
  color: #4a7c75 !important;
  border-color: #2a5550 !important;
  opacity: 1 !important;
  filter: none !important;
  cursor: not-allowed;
}
/* Primary button disabled */
.btn.btn-primary:disabled {
  background: #2a2a4a !important;
  color: #5a5a8a !important;
  border-color: #3a3a5a !important;
  opacity: 1 !important;
  filter: none !important;
}
/* Danger button disabled */
.btn.btn-danger:disabled,
.btn.btn-secondary:disabled {
  opacity: 1 !important;
  filter: grayscale(0.5) !important;
  cursor: not-allowed;
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn-xl {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

/* Button Variants */
.btn-primary {
  background: var(--color-accent-primary);
  color: white;
  border-color: var(--color-accent-primary);
}

.btn-primary:hover {
  background: var(--color-accent-primary-hover);
  border-color: var(--color-accent-primary-hover);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border-color: var(--color-border-primary);
}

.btn-secondary:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-hover);
}

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

.btn-success:hover {
  background: #059669;
  box-shadow: var(--shadow-glow-success);
}

.btn-danger {
  background: var(--color-accent-danger);
  color: white;
  border-color: var(--color-accent-danger);
}

.btn-danger:hover {
  background: #dc2626;
  box-shadow: var(--shadow-glow-danger);
}

.btn-warning {
  background: var(--color-accent-warning);
  color: var(--color-text-inverse);
  border-color: var(--color-accent-warning);
}

.btn-info {
  background: var(--color-accent-info);
  color: white;
  border-color: var(--color-accent-info);
}

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

.btn-ghost:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

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

.btn-outline:hover {
  background: var(--color-accent-primary-muted);
}

/* Button with Icons */
.btn-icon {
  padding: var(--spacing-sm);
  width: 2.5rem;
  height: 2.5rem;
}

.btn-icon.btn-sm {
  width: 2rem;
  height: 2rem;
}

.btn-icon.btn-lg {
  width: 3rem;
  height: 3rem;
}

/* Button Group */
.btn-group {
  display: inline-flex;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-group .btn:not(:last-child) {
  border-right: none;
}

/* ==========================================================================
   Status Badges
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

/* Badge Variants */
.badge-primary {
  background: var(--color-accent-primary-muted);
  color: var(--color-accent-primary-hover);
  border: 1px solid var(--color-accent-primary);
}

.badge-success {
  background: var(--color-accent-success-muted);
  color: var(--color-accent-success);
  border: 1px solid var(--color-accent-success);
}

.badge-warning {
  background: var(--color-accent-warning-muted);
  color: var(--color-accent-warning);
  border: 1px solid var(--color-accent-warning);
}

.badge-danger {
  background: var(--color-accent-danger-muted);
  color: var(--color-accent-danger);
  border: 1px solid var(--color-accent-danger);
}

.badge-info {
  background: var(--color-accent-info-muted);
  color: var(--color-accent-info);
  border: 1px solid var(--color-accent-info);
}

.badge-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-primary);
}

.badge-neutral {
  background: var(--color-bg-elevated);
  color: var(--color-text-tertiary);
  border: 1px solid var(--color-border-secondary);
}

/* Badge Sizes */
.badge-sm {
  padding: 2px var(--spacing-xs);
  font-size: 10px;
}

.badge-lg {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* Badge with Dot Animation */
.badge-live::before {
  animation: pulse 1.5s infinite;
}

.badge-paused::before {
  animation: pulse 3s infinite;
}

.badge-static::before {
  animation: none;
}

/* ==========================================================================
   Table Grid
   ========================================================================== */
.table-container {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table thead {
  background: var(--color-bg-tertiary);
}

.table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border-primary);
}

.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-secondary);
  color: var(--color-text-primary);
  vertical-align: middle;
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--color-bg-hover);
}

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

.table tbody tr.selected {
  background: var(--color-accent-primary-muted);
}

/* Table with Hover States */
.table-hover tbody tr:hover {
  background: var(--color-bg-hover);
  cursor: pointer;
}

/* Table Striped */
.table-striped tbody tr:nth-child(even) {
  background: var(--color-bg-tertiary);
}

/* Table Bordered */
.table-bordered {
  border: 1px solid var(--color-border-primary);
}

.table-bordered th,
.table-bordered td {
  border: 1px solid var(--color-border-secondary);
}

/* Table Compact */
.table-compact th,
.table-compact td {
  padding: var(--spacing-sm) var(--spacing-md);
}

/* Table Responsive Wrapper */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ==========================================================================
   Timers
   ========================================================================== */
.timer {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-primary);
}

.timer-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-secondary);
}

.timer-display {
  min-width: 5ch;
  text-align: center;
}

.timer-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Timer Variants */
.timer-success {
  background: var(--color-accent-success-muted);
  border-color: var(--color-accent-success);
  color: var(--color-accent-success);
}

.timer-warning {
  background: var(--color-accent-warning-muted);
  border-color: var(--color-accent-warning);
  color: var(--color-accent-warning);
}

.timer-danger {
  background: var(--color-accent-danger-muted);
  border-color: var(--color-accent-danger);
  color: var(--color-accent-danger);
  animation: timer-pulse 1s infinite;
}

@keyframes timer-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* Timer Large */
.timer-lg {
  font-size: var(--font-size-2xl);
  padding: var(--spacing-md) var(--spacing-lg);
}

.timer-lg .timer-icon {
  width: 1.5rem;
  height: 1.5rem;
}

/* Timer Display States */
.timer-elapsed {
  color: var(--color-accent-success);
}

.timer-remaining {
  color: var(--color-text-primary);
}

.timer-overtime {
  color: var(--color-accent-danger);
}

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

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  pointer-events: auto;
  animation: toast-slide-in 0.3s ease forwards;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

@keyframes toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.toast-exit {
  animation: toast-slide-out 0.3s ease forwards;
}

@keyframes toast-slide-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.toast-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 2px;
}

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

.toast-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.toast-close {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

/* Toast Variants */
.toast-success {
  border-color: var(--color-accent-success);
}

.toast-success::before {
  background: var(--color-accent-success);
}

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

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

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

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

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

.toast-warning::before {
  background: var(--color-accent-warning);
}

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

.toast-info {
  border-color: var(--color-accent-info);
}

.toast-info::before {
  background: var(--color-accent-info);
}

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

/* Toast Progress Bar */
.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--color-text-tertiary);
  animation: toast-progress-shrink linear forwards;
}

@keyframes toast-progress-shrink {
  from { width: 100%; }
  to { width: 0%; }
}

/* ==========================================================================
   Form Elements
   ========================================================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-primary-muted);
}

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

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-sm) center;
  background-size: 1.25rem;
  padding-right: var(--spacing-xl);
}

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

.form-checkbox,
.form-radio {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--color-accent-primary);
  cursor: pointer;
}

.form-switch {
  position: relative;
  width: 3rem;
  height: 1.5rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 1rem;
  height: 1rem;
  background: var(--color-text-secondary);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.form-switch:checked {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

.form-switch:checked::after {
  left: calc(100% - 1.125rem);
  background: white;
}

/* ==========================================================================
   Responsive Layouts
   ========================================================================== */

/* Mobile First - Extra Small Devices (phones, 320px - 480px) */
@media (max-width: 480px) {
  :root {
    --font-size-base: 0.9375rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .btn-lg,
  .btn-xl {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .toast-container {
    left: var(--spacing-md);
    right: var(--spacing-md);
    max-width: none;
  }
  
  .timer {
    font-size: var(--font-size-base);
  }
  
  .timer-lg {
    font-size: var(--font-size-xl);
  }
}

/* Small Devices - Tablets (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .card {
    padding: var(--spacing-lg);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-md);
  }
  
  .timer {
    font-size: var(--font-size-lg);
  }
}

/* Medium Devices - Small Laptops (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    max-width: 1200px;
  }
}

/* Large Devices - Desktops (1025px - 1280px) */
@media (min-width: 1025px) and (max-width: 1280px) {
  .container {
    max-width: 1400px;
  }
}

/* Extra Large Devices - Large Desktops (1281px+) */
@media (min-width: 1281px) {
  .container {
    max-width: 1600px;
  }
}

/* Responsive Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(-1 * var(--spacing-md) / 2);
}

.col {
  flex: 1;
  padding: 0 calc(var(--spacing-md) / 2);
}

.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }

@media (max-width: 768px) {
  .col-12,
  .col-6,
  .col-4,
  .col-3,
  .col-2,
  .col-1 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .col-6:not(.no-collapse) { flex: 0 0 100%; max-width: 100%; }
}

@media (max-width: 1024px) {
  .hide-tablet { display: none !important; }
}

@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

/* Spacing */
.m-0 { margin: 0; }
.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-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-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-accent-success); }
.text-danger { color: var(--color-accent-danger); }
.text-warning { color: var(--color-accent-warning); }
.text-info { color: var(--color-accent-info); }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-normal { font-weight: var(--font-weight-normal); }

/* Background */
.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }
.bg-elevated { background-color: var(--color-bg-elevated); }

/* Borders */
.border { border: 1px solid var(--color-border-primary); }
.border-0 { border: none; }
.border-top { border-top: 1px solid var(--color-border-primary); }
.border-bottom { border-bottom: 1px solid var(--color-border-primary); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Transitions */
.transition { transition: all var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

/* ==========================================================================
   Scrollbar Styling
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-hover);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-primary) var(--color-bg-secondary);
}

/* ==========================================================================
   Selection Styling
   ========================================================================== */
::selection {
  background: var(--color-accent-primary);
  color: white;
}

::-moz-selection {
  background: var(--color-accent-primary);
  color: white;
}
/* ==========================================================================
   Italo POS - Premium Agency Design System
   Version: 1.0.0
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
  /* Color Palette - Premium Dark Theme */
  --color-bg: #0a0a0f;
  --color-accent: #ff6b35;
  --color-secondary: #ffa726;
  --color-surface: #12121a;
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-accent: rgba(255, 107, 53, 0.3);

  /* Additional Colors */
  --color-glow: rgba(255, 107, 53, 0.4);
  --color-surface-hover: #1a1a24;
  --color-surface-elevated: #1e1e28;

  /* Typography */
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* 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: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.3);
}

/* ==========================================================================
   Base Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ==========================================================================
   Keyframe Animations
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(255, 107, 53, 0.6);
  }
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

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

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    #0a0a0f 0%,
    #12121a 25%,
    #1a1520 50%,
    #12121a 75%,
    #0a0a0f 100%
  );
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
  z-index: -2;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 107, 53, 0.08) 0%,
    transparent 50%
  );
  z-index: -1;
  animation: pulse-glow 8s ease-in-out infinite;
}

/* ==========================================================================
   Glass Card
   ========================================================================== */
.glass-card {
  background: rgba(18, 18, 26, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 107, 53, 0.5),
    transparent
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card:hover {
  background: rgba(18, 18, 26, 0.9);
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.glass-card:hover::before {
  opacity: 1;
}

/* ==========================================================================
   Premium Button
   ========================================================================== */
.btn-premium {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-premium::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 0.5s ease;
}

.btn-premium:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

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

.btn-premium:active {
  transform: translateY(0);
}

/* ==========================================================================
   Module Cards Grid
   ========================================================================== */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  width: 100%;
  max-width: 1200px;
  margin: var(--spacing-2xl) auto 0;
}

@media (max-width: 1024px) {
  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

@media (max-width: 640px) {
  .modules-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

.module-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: rgba(18, 18, 26, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease backwards;
}

.module-card:nth-child(1) { animation-delay: 0.1s; }
.module-card:nth-child(2) { animation-delay: 0.2s; }
.module-card:nth-child(3) { animation-delay: 0.3s; }
.module-card:nth-child(4) { animation-delay: 0.4s; }

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.module-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 0%,
    rgba(255, 107, 53, 0.15),
    transparent 60%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.module-card:hover {
  background: rgba(26, 26, 36, 0.8);
  border-color: var(--color-border-accent);
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(255, 107, 53, 0.2);
}

.module-card:hover::before {
  transform: scaleX(1);
}

.module-card:hover::after {
  opacity: 1;
}

.module-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.2), rgba(255, 167, 38, 0.1));
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-base);
}

.module-icon i {
  font-size: 2rem;
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.module-card:hover .module-icon {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.3), rgba(255, 167, 38, 0.2));
  transform: scale(1.1);
}

.module-card:hover .module-icon i {
  color: var(--color-secondary);
  transform: scale(1.1);
}

.module-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.module-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Hero Typography
   ========================================================================== */
.hero-content {
  text-align: center;
  max-width: 800px;
  animation: fadeInUp 0.8s ease;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--color-text) 0%,
    var(--color-accent) 50%,
    var(--color-secondary) 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 5s ease infinite;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ==========================================================================
   Header
   ========================================================================== */
.premium-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  border-radius: var(--radius-md);
}

.logo-icon i {
  font-size: 1.25rem;
  color: #fff;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.premium-footer {
  padding: var(--spacing-xl);
  text-align: center;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-gradient {
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */
@media (max-width: 768px) {
  .hero-section {
    padding: calc(var(--spacing-3xl) + 60px) var(--spacing-md) var(--spacing-xl);
  }

  .hero-content {
    animation-duration: 0.5s;
  }

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

  .module-icon {
    width: 60px;
    height: 60px;
  }

  .module-icon i {
    font-size: 1.5rem;
  }

  .premium-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* ==========================================================================
   Phosphor Icons Size Override
   ========================================================================== */
.ph {
  font-size: inherit;
  line-height: 1;
  font-weight: 400;
}
/* ============================================================
   RESPONSIVE DESIGN - Italo Burger POS
   Mobile First - Phones, Tablets, Desktops
   ============================================================ */

/* Mobile Navigation Hamburger */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
    padding: 8px;
}

/* ============================================================
   ADMIN.HTML - RESPONSIVE BREAKPOINTS
   ============================================================ */

/* Tablet Portrait (768px - 1024px) */
@media (max-width: 1024px) {
    .admin-sidebar {
        width: 72px;
    }
    .sidebar-title,
    .sidebar-subtitle,
    .nav-item span,
    .nav-badge,
    .user-details {
        display: none;
    }
    .nav-item {
        justify-content: center;
        padding: var(--spacing-md);
    }
    .sidebar-header {
        justify-content: center;
    }
    .user-info {
        justify-content: center;
    }
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }

    /* Mobile nav toggle button */
    .mobile-nav-toggle {
        display: flex;
    }

    /* Sidebar becomes off-canvas drawer */
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        z-index: 1001;
        transition: left 0.3s ease;
        flex-direction: column;
        box-shadow: 4px 0 20px rgba(0,0,0,0.3);
    }

    .admin-sidebar.open {
        left: 0;
    }

    .sidebar-header {
        display: flex !important;
        padding: var(--spacing-lg);
    }

    .sidebar-nav {
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .nav-section {
        display: flex;
        flex-direction: column;
    }

    .nav-item {
        flex-direction: row;
        justify-content: flex-start;
        min-width: unset;
        padding: var(--spacing-md);
    }

    .nav-item span {
        display: inline !important;
    }

    .sidebar-footer {
        display: flex !important;
        flex-direction: column;
    }

    .user-info {
        justify-content: flex-start;
    }

    /* Overlay when sidebar is open */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1000;
    }

    .sidebar-overlay.active {
        display: block;
    }

    /* Header */
    .admin-header {
        padding: var(--spacing-md) !important;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .page-title {
        font-size: var(--font-size-xl) !important;
    }

    /* Content */
    .admin-content {
        padding: var(--spacing-md) !important;
    }

    /* Stats grid - 2 columns on mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--spacing-sm) !important;
    }

    .stat-card {
        padding: var(--spacing-md) !important;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .stat-icon {
        width: 44px !important;
        height: 44px !important;
    }

    .stat-icon .material-icons {
        font-size: 1.25rem !important;
    }

    .stat-value {
        font-size: var(--font-size-2xl) !important;
    }

    /* Quick actions - 2 columns */
    .quick-actions {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .quick-action-btn {
        padding: var(--spacing-md) !important;
    }

    .quick-action-btn .material-icons {
        font-size: 1.5rem !important;
    }

    /* Charts */
    .charts-grid {
        grid-template-columns: 1fr !important;
    }

    /* Tables */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .data-table {
        min-width: 600px;
        font-size: var(--font-size-sm);
    }

    .data-table th,
    .data-table td {
        padding: var(--spacing-sm) var(--spacing-md);
        white-space: nowrap;
    }

    /* Filters bar - stack vertically */
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .filter-search {
        min-width: unset;
        width: 100%;
    }

    .filter-group {
        width: 100%;
    }

    .filter-group select,
    .filter-group input {
        width: 100%;
    }

    /* Section header */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .section-title {
        font-size: var(--font-size-lg);
    }

    /* Modal - full screen on mobile */
    .modal {
        max-width: 100% !important;
        max-height: 100vh !important;
        border-radius: 0 !important;
        margin: 0 !important;
    }

    .modal-overlay {
        align-items: flex-end !important;
    }

    /* Toast - bottom full width */
    .toast-container {
        left: var(--spacing-sm) !important;
        right: var(--spacing-sm) !important;
        bottom: var(--spacing-sm) !important;
    }
}

/* ============================================================
   MESERO.HTML - RESPONSIVE
   ============================================================ */

.mesero-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.mesero-header {
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.mesero-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.menu-panel {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.order-panel {
    width: 400px;
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border-primary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .mesero-content {
        flex-direction: column;
    }

    .order-panel {
        width: 100%;
        height: 50vh;
        border-left: none;
        border-top: 1px solid var(--color-border-primary);
    }

    .menu-panel {
        height: 50vh;
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    .mesero-layout {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    .mesero-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .mesero-content {
        display: flex;
        flex-direction: column;
        flex: 1;
        overflow: hidden;
    }

    /* Full height order panel on mobile - slides up */
    .order-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 70vh;
        border-radius: var(--spacing-lg) var(--spacing-lg) 0 0;
        transform: translateY(calc(100% - 60px));
        transition: transform 0.3s ease;
        z-index: 100;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
    }

    .order-panel.open {
        transform: translateY(0);
    }

    .order-panel-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-sm);
        cursor: pointer;
        border-bottom: 1px solid var(--color-border-primary);
        flex-shrink: 0;
    }

    .menu-panel {
        flex: 1;
        height: auto;
        padding: var(--spacing-sm);
    }

    /* Categories - horizontal scroll */
    .categories-list {
        display: flex;
        gap: var(--spacing-sm);
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
        -webkit-overflow-scrolling: touch;
    }

    .category-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* Products grid - 2 columns on mobile */
    .products-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--spacing-sm) !important;
    }

    .product-card {
        padding: var(--spacing-md) !important;
    }

    .product-name {
        font-size: var(--font-size-sm);
    }

    .product-price {
        font-size: var(--font-size-base);
    }

    /* Order items */
    .order-items {
        flex: 1;
        overflow-y: auto;
        padding: var(--spacing-sm);
    }

    .order-item {
        padding: var(--spacing-sm);
    }

    /* Order footer */
    .order-footer {
        padding: var(--spacing-md);
    }

    .order-total {
        font-size: var(--font-size-lg);
    }

    /* Table selector - horizontal scroll */
    .table-selector {
        display: flex;
        gap: var(--spacing-sm);
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
        -webkit-overflow-scrolling: touch;
    }

    .table-btn {
        min-width: 48px;
        flex-shrink: 0;
    }

    /* Customer input */
    .customer-input {
        padding: var(--spacing-sm);
    }
}

/* ============================================================
   COCINA.HTML - RESPONSIVE
   ============================================================ */

.cocina-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.cocina-header {
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.cocina-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.orders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* Tablet */
@media (max-width: 1024px) {
    .orders-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    .cocina-header {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .cocina-content {
        padding: var(--spacing-sm);
    }

    .orders-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-sm);
    }

    .order-card {
        padding: var(--spacing-md) !important;
    }

    .order-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .order-card-title {
        font-size: var(--font-size-lg);
    }

    .order-timer {
        font-size: var(--font-size-xl);
    }

    .order-items-summary {
        font-size: var(--font-size-sm);
    }

    .order-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .order-actions .btn {
        width: 100%;
    }
}

/* ============================================================
   CAJA.HTML - RESPONSIVE
   ============================================================ */

.caja-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.caja-header {
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.caja-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.caja-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* Tablet */
@media (max-width: 1024px) {
    .caja-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    .caja-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .caja-content {
        padding: var(--spacing-sm);
    }

    .caja-grid {
        grid-template-columns: 1fr !important;
    }

    .summary-cards {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--spacing-sm) !important;
    }

    .summary-card {
        padding: var(--spacing-md) !important;
    }

    .order-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .order-row-actions {
        width: 100%;
        flex-direction: row;
    }

    .order-row-actions .btn {
        flex: 1;
    }

    /* Payment modal */
    .payment-modal {
        padding: var(--spacing-md);
    }

    .payment-modal-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================================
   SHARED - ALL PAGES
   ============================================================ */

/* Horizontal scroll for tables */
.table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Stack grids on mobile */
@media (max-width: 768px) {
    .stack-grid-2,
    .stack-grid-3,
    .stack-grid-4 {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* Font size adjustments on mobile */
@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
    }
}

/* Hide on mobile */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

/* Show only on mobile */
@media (min-width: 769px) {
    .show-mobile-only {
        display: none !important;
    }
}
/* ============================================================
   UX PREMIUM STYLES - Italo Burger POS
   All 10 UX Improvements
   ============================================================ */

/* 1. BREADCRUMB NAVIGATION */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 0;
    margin-bottom: 16px;
    font-size: 14px;
}
.breadcrumb-link {
    color: var(--color-accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}
.breadcrumb-link:hover { opacity: 0.75; }
.breadcrumb-sep {
    color: var(--color-text-muted);
    user-select: none;
}
.breadcrumb-current {
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* 2. WCAG AA CONTRAST - Status badges with proper contrast */
.status-badge {
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.02em;
}
.status-badge.pending {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FCD34D;
}
.status-badge.preparing {
    background: #DBEAFE;
    color: #1E40AF;
    border: 1px solid #93C5FD;
}
.status-badge.ready, .status-badge.completed {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}
.status-badge.cancelled, .status-badge.inactive {
    background: #F3F4F6;
    color: #374151;
    border: 1px solid #D1D5DB;
}
.status-badge.low-stock {
    background: #FED7AA;
    color: #C2410C;
    border: 1px solid #FB923C;
}
.status-badge.out-of-stock {
    background: #FEE2E2;
    color: #B91C1C;
    border: 1px solid #FCA5A5;
}
.status-badge.active {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}
.role-badge {
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.02em;
}
.role-badge.admin {
    background: #FEE2E2;
    color: #B91C1C;
    border: 1px solid #FCA5A5;
}
.role-badge.manager {
    background: #DBEAFE;
    color: #1E40AF;
    border: 1px solid #93C5FD;
}
.role-badge.cashier {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}
.role-badge.waiter {
    background: #F3E8FF;
    color: #6B21A8;
    border: 1px solid #C4B5FD;
}

/* 3. EMPTY STATES WITH ICONS */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-muted);
}
.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}
.empty-state-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}
.empty-state-text {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* 4. SKELETON LOADERS */
.skeleton {
    background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-hover) 50%, var(--color-bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 6px;
}
@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
}
.skeleton-text.short { width: 60%; }
.skeleton-text.medium { width: 80%; }
.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.skeleton-btn {
    height: 40px;
    width: 100px;
}

/* 5. AUTO-REFRESH INDICATOR */
.refresh-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--color-text-muted);
    padding: 4px 10px;
    background: var(--color-bg-tertiary);
    border-radius: 20px;
}
.refresh-indicator .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent-success);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.refresh-indicator.countdown { color: var(--color-text-secondary); }
.refresh-indicator.refreshing .dot {
    background: var(--color-accent-primary);
    animation: spin-dot 0.8s linear infinite;
}
@keyframes spin-dot {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 6. TOOLTIPS */
[data-tooltip] {
    position: relative;
    cursor: help;
}
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-primary);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    pointer-events: none;
}
[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 7. HORA RELATIVA */
.relative-time {
    font-weight: 500;
}

/* 8. KEYBOARD SHORTCUTS HINT */
.kbd-shortcut {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--color-text-muted);
    margin-left: 8px;
}
.kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-primary);
    border-radius: 4px;
    font-family: monospace;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* 9. SIDEBAR ENHANCED NAV */
.admin-sidebar .nav-item {
    position: relative;
    overflow: hidden;
}
.admin-sidebar .nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-accent-primary);
    transform: scaleY(0);
    transition: transform 0.2s;
}
.admin-sidebar .nav-item.active::before {
    transform: scaleY(1);
}
.admin-sidebar .nav-item.active {
    background: var(--color-accent-primary-muted);
}
.admin-sidebar .nav-item.active .material-icons {
    color: var(--color-accent-primary);
}

/* 10. DATE FILTER IN ORDERS */
.date-filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}
.date-filter-group input[type="date"] {
    padding: 8px 12px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-primary);
    border-radius: 8px;
    color: var(--color-text-primary);
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      outline: 2px solid var(--color-accent-primary);
      outline-offset: 2px;
      border-color: var(--color-accent-primary);
      box-shadow: 0 0 0 3px var(--color-accent-primary-muted);
    }

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* Modal keyboard close hint */
.modal-close-hint {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 4px;
}



/* ===== MÓDULOS DEL SISTEMA (enlaces externos en sidebar) ===== */
.nav-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    font-size: 13px;
    position: relative;
    border-left: 3px solid transparent;
}
.nav-link:hover {
    background: rgba(255, 107, 53, 0.12);
    border-left-color: var(--color-accent-primary, #ff6b35);
    color: var(--color-accent-primary, #ff6b35);
    transform: translateX(2px);
}
.nav-link .material-icons {
    font-size: 18px !important;
    color: var(--color-text-muted, #8892a4);
    transition: color 0.2s;
}
.nav-link:hover .material-icons {
    color: var(--color-accent-primary, #ff6b35);
}
.nav-link span:nth-child(2) {
    flex: 1;
}
.nav-badge {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-left: auto;
}
.nav-link:hover .nav-badge {
    background: rgba(255, 107, 53, 0.25);
    color: #ff8c5a;
}