/* Ultimate Night Theme - Professional Dark Theme */
/* Comprehensive dark mode with all light backgrounds removed */
/* Applied when data-theme="night" is set on html element */
[data-theme="night"] {
  /* Complete Background System - All Dark */
  --bg-primary: #0f0f0f;
  /* Deep dark base */
  --bg-secondary: #1a1a1a;
  /* Dark card backgrounds */
  --bg-tertiary: #262626;
  /* Dark hover states */
  --bg-accent: #333333;
  /* Dark accent areas */
  --bg-muted: #0f0f0f;
  /* Consistent with primary */
  --bg-card: rgba(26, 26, 26, 0.98);
  /* Semi-transparent cards */
  --bg-navbar: rgba(15, 15, 15, 0.98);
  /* Dark navbar */
  --bg-modal: rgba(15, 15, 15, 0.98);
  /* Dark modals */
  --bg-overlay: rgba(0, 0, 0, 0.8);
  /* Dark overlays */

  /* Text Colors - High Contrast on Dark */
  --text-primary: #ffffff;
  /* Pure white for primary text */
  --text-secondary: #e2e8f0;
  /* Light gray for secondary */
  --text-tertiary: #cbd5e1;
  /* Medium gray for tertiary */
  --text-muted: #94a3b8;
  /* Muted gray */
  --text-inverse: #0f0f0f;
  /* Dark inverse */
  --text-accent: #00d4ff;
  /* Cyan accent text */

  /* Border System - Dark Theme */
  --border-light: #374151;
  --border-medium: #4b5563;
  --border-dark: #6b7280;
  --border-accent: #00d4ff;

  /* Accent Colors - Cyan Theme */
  --accent-primary: #00d4ff;
  --accent-secondary: #00a8cc;
  --accent-light: rgba(0, 212, 255, 0.1);
  --accent-hover: #33e0ff;

  /* Status Colors - Dark Theme Optimized */
  --success: #40c057;
  --success-bg: rgba(64, 192, 87, 0.1);
  --success-border: #40c057;
  --warning: #ffd43b;
  --warning-bg: rgba(255, 212, 59, 0.1);
  --warning-border: #ffd43b;
  --danger: #fa5252;
  --danger-bg: rgba(250, 82, 82, 0.1);
  --danger-border: #fa5252;
  --info: #339af0;
  --info-bg: rgba(51, 154, 240, 0.1);
  --info-border: #339af0;

  /* Shadow System - Dark Theme */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.5);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.6), 0 1px 2px -1px rgb(0 0 0 / 0.6);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.6), 0 2px 4px -2px rgb(0 0 0 / 0.6);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.6), 0 4px 6px -4px rgb(0 0 0 / 0.6);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Night Theme Specific Overrides */
[data-theme="night"] body {
  background: var(--bg-primary);
  color: var(--text-primary);
}

[data-theme="night"] .dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 25px var(--shadow-color);
}

[data-theme="night"] .dashboard-card:hover {
  box-shadow: 0 15px 35px var(--shadow-hover);
}

[data-theme="night"] .navbar {
  background: var(--bg-navbar) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

[data-theme="night"] .navbar-brand {
  color: var(--accent-primary) !important;
}

[data-theme="night"] .btn-workshop {
  background: var(--gradient-primary);
  border: none;
  color: var(--text-white);
}

[data-theme="night"] .btn-workshop:hover {
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

[data-theme="night"] .hero-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

[data-theme="night"] .stats-card {
  background: var(--gradient-primary);
  color: var(--text-white);
}

[data-theme="night"] .quick-stats .stat-item {
  color: var(--text-white);
}

[data-theme="night"] .stat-number {
  color: var(--text-white);
}

[data-theme="night"] .stat-label {
  color: rgba(255, 255, 255, 0.8);
}

[data-theme="night"] .feature-icon {
  background: var(--gradient-primary);
  color: var(--text-white);
}

[data-theme="night"] .table {
  background: var(--bg-card);
  color: var(--text-primary);
}

[data-theme="night"] .table-striped tbody tr:nth-of-type(odd) {
  background: var(--bg-tertiary);
}

[data-theme="night"] .form-control {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

[data-theme="night"] .form-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.25);
}

/* Ultra-High-Contrast Checkboxes - Night Theme */
[data-theme="night"] .form-check-input {
  width: 1.25rem !important;
  height: 1.25rem !important;
  border: 2px solid var(--border-dark) !important;
  background: var(--bg-secondary) !important;
  margin-top: 0.125rem !important;
  cursor: pointer !important;
  border-radius: var(--radius-sm) !important;
  transition: all var(--transition-fast) !important;
  position: relative !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  outline: none !important;
}

[data-theme="night"] .form-check-input:checked {
  background: var(--accent-primary) !important;
  border-color: var(--accent-primary) !important;
}

[data-theme="night"] .form-check-input:checked::after {
  content: '✓' !important;
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  color: var(--text-inverse) !important;
  font-size: 0.875rem !important;
  font-weight: bold !important;
  font-family: Arial, sans-serif !important;
}

[data-theme="night"] .form-check-input:focus {
  border-color: var(--accent-primary) !important;
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.25) !important;
  outline: none !important;
}

[data-theme="night"] .form-check-input:hover {
  border-color: var(--accent-secondary) !important;
  box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.1) !important;
}

/* Override any default checkbox styling - Night Theme */
[data-theme="night"] .form-check-input[type="checkbox"] {
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  background: var(--bg-secondary) !important;
  border: 2px solid var(--border-dark) !important;
  border-radius: var(--radius-sm) !important;
  cursor: pointer !important;
  height: 1.25rem !important;
  width: 1.25rem !important;
  margin: 0 !important;
  position: relative !important;
  transition: all var(--transition-fast) !important;
}

[data-theme="night"] .form-check-input[type="checkbox"]:checked {
  background: var(--accent-primary) !important;
  border-color: var(--accent-primary) !important;
}

[data-theme="night"] .form-check-input[type="checkbox"]:checked::before,
[data-theme="night"] .form-check-input[type="checkbox"]:checked::after {
  content: '' !important;
}

[data-theme="night"] .form-check-input[type="checkbox"]:checked::after {
  content: '✓' !important;
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  color: var(--text-inverse) !important;
  font-size: 0.875rem !important;
  font-weight: bold !important;
  font-family: Arial, sans-serif !important;
}

[data-theme="night"] .form-check-label {
  color: var(--text-primary) !important;
}

[data-theme="night"] .form-check-label:hover {
  color: var(--accent-primary) !important;
}

/* Enhanced Selected Format Card Visibility for Night Theme */
[data-theme="night"] .format-card.selected {
  border-color: var(--accent-primary);
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

/* Comprehensive Night Theme Overrides - All Light Backgrounds Removed */

/* Cards and Containers */
[data-theme="night"] .card,
[data-theme="night"] .glass-card,
[data-theme="night"] .export-card {
  background: var(--bg-card) !important;
  border-color: var(--border-medium) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .card:hover,
[data-theme="night"] .glass-card:hover,
[data-theme="night"] .export-card:hover {
  background: var(--bg-secondary) !important;
  border-color: var(--border-dark) !important;
}

/* Form Elements - Complete Dark Theming */
[data-theme="night"] .form-control,
[data-theme="night"] .form-select,
[data-theme="night"] input,
[data-theme="night"] textarea,
[data-theme="night"] select {
  background: var(--bg-secondary) !important;
  border: 2px solid var(--border-medium) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .form-control:focus,
[data-theme="night"] .form-select:focus,
[data-theme="night"] input:focus,
[data-theme="night"] textarea:focus,
[data-theme="night"] select:focus {
  background: var(--bg-secondary) !important;
  border-color: var(--accent-primary) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1) !important;
}

[data-theme="night"] .form-control::placeholder,
[data-theme="night"] input::placeholder,
[data-theme="night"] textarea::placeholder {
  color: var(--text-muted) !important;
}

/* Labels and Text */
[data-theme="night"] .form-label,
[data-theme="night"] label,
[data-theme="night"] .text-secondary,
[data-theme="night"] .text-muted {
  color: var(--text-secondary) !important;
}

[data-theme="night"] .text-primary {
  color: var(--text-primary) !important;
}

/* Buttons - Dark Theme */
[data-theme="night"] .btn {
  background: var(--bg-secondary) !important;
  border-color: var(--border-medium) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .btn:hover {
  background: var(--bg-tertiary) !important;
  border-color: var(--border-dark) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .btn-primary {
  background: var(--accent-primary) !important;
  border-color: var(--accent-primary) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .btn-primary:hover {
  background: var(--accent-hover) !important;
  border-color: var(--accent-hover) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .btn-outline-secondary {
  border-color: var(--border-medium) !important;
  color: var(--text-secondary) !important;
  background: transparent !important;
}

[data-theme="night"] .btn-outline-secondary:hover {
  background: var(--bg-tertiary) !important;
  border-color: var(--border-dark) !important;
  color: var(--text-primary) !important;
}

/* Tables - Complete Dark Theming */
[data-theme="night"] .table {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-medium) !important;
}

[data-theme="night"] .table th {
  background: var(--bg-accent) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-dark) !important;
}

[data-theme="night"] .table td {
  background: transparent !important;
  color: var(--text-primary) !important;
  border-color: var(--border-light) !important;
}

[data-theme="night"] .table tbody tr:hover {
  background: var(--bg-tertiary) !important;
}

/* Alerts - Dark Backgrounds */
[data-theme="night"] .alert {
  background: var(--bg-secondary) !important;
  border-color: var(--border-medium) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .alert-success {
  background: rgba(64, 192, 87, 0.1) !important;
  border-color: var(--success) !important;
  color: var(--success) !important;
}

[data-theme="night"] .alert-warning {
  background: rgba(255, 212, 59, 0.1) !important;
  border-color: var(--warning) !important;
  color: var(--warning) !important;
}

[data-theme="night"] .alert-danger {
  background: rgba(250, 82, 82, 0.1) !important;
  border-color: var(--danger) !important;
  color: var(--danger) !important;
}

[data-theme="night"] .alert-info {
  background: rgba(51, 154, 240, 0.1) !important;
  border-color: var(--info) !important;
  color: var(--info) !important;
}

/* Navigation and UI Elements */
[data-theme="night"] .navbar {
  background: var(--bg-navbar) !important;
  border-color: var(--border-medium) !important;
}

[data-theme="night"] .dropdown-menu {
  background: var(--bg-card) !important;
  border-color: var(--border-medium) !important;
}

[data-theme="night"] .dropdown-item {
  color: var(--text-primary) !important;
}

[data-theme="night"] .dropdown-item:hover {
  background: var(--bg-tertiary) !important;
  color: var(--accent-primary) !important;
}

/* Badges and Tags */
[data-theme="night"] .badge {
  background: var(--bg-accent) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .badge.bg-success {
  background: var(--success) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .badge.bg-warning {
  background: var(--warning) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .badge.bg-danger {
  background: var(--danger) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .badge.bg-info {
  background: var(--info) !important;
  color: var(--text-inverse) !important;
}

/* Bootstrap Utility Classes - Dark Overrides */
[data-theme="night"] .bg-primary {
  background: var(--accent-primary) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .bg-secondary {
  background: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .bg-success {
  background: var(--success) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .bg-info {
  background: var(--info) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .bg-warning {
  background: var(--warning) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .bg-danger {
  background: var(--danger) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .bg-light {
  background: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .bg-dark {
  background: #1a1a1a !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .bg-white {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .text-primary {
  color: var(--accent-primary) !important;
}

[data-theme="night"] .text-secondary {
  color: var(--text-secondary) !important;
}

[data-theme="night"] .text-success {
  color: var(--success) !important;
}

[data-theme="night"] .text-info {
  color: var(--info) !important;
}

[data-theme="night"] .text-warning {
  color: var(--warning) !important;
}

[data-theme="night"] .text-danger {
  color: var(--danger) !important;
}

[data-theme="night"] .text-light {
  color: var(--text-muted) !important;
}

[data-theme="night"] .text-dark {
  color: var(--text-primary) !important;
}

[data-theme="night"] .text-white {
  color: var(--text-inverse) !important;
}

/* Export-Specific Elements */
[data-theme="night"] .format-card {
  background: var(--bg-secondary) !important;
  border-color: var(--border-medium) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .format-card:hover {
  background: var(--bg-tertiary) !important;
  border-color: var(--border-dark) !important;
}

[data-theme="night"] .format-card.selected {
  background: rgba(0, 212, 255, 0.1) !important;
  border-color: var(--accent-primary) !important;
}

[data-theme="night"] .template-editor-container {
  background: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-medium) !important;
}

/* Ensure no light backgrounds remain */
[data-theme="night"] * {
  background-color: transparent !important;
}

[data-theme="night"] .bg-primary,
[data-theme="night"] .bg-secondary,
[data-theme="night"] .bg-success,
[data-theme="night"] .bg-info,
[data-theme="night"] .bg-warning,
[data-theme="night"] .bg-danger,
[data-theme="night"] .bg-light,
[data-theme="night"] .bg-dark,
[data-theme="night"] .bg-white,
[data-theme="night"] .card,
[data-theme="night"] .card-body,
[data-theme="night"] .modal-content,
[data-theme="night"] .dropdown-menu,
[data-theme="night"] .navbar,
[data-theme="night"] .alert {
  background-color: var(--bg-secondary) !important;
}

/* Specific overrides for known light background elements */
[data-theme="night"] .export-container,
[data-theme="night"] .container,
[data-theme="night"] .container-fluid {
  background: var(--bg-primary) !important;
}

/* AGGRESSIVE NIGHT THEME OVERRIDES - Eliminate ALL Light Backgrounds */

/* Force all backgrounds to be dark - nuclear option */
[data-theme="night"] * {
  background-color: transparent !important;
}

/* Reset all Bootstrap background utilities to dark */
[data-theme="night"] .bg-white,
[data-theme="night"] .bg-light,
[data-theme="night"] .bg-secondary {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .bg-primary {
  background: var(--accent-primary) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .bg-success {
  background: var(--success) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .bg-warning {
  background: var(--warning) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .bg-danger {
  background: var(--danger) !important;
  color: var(--text-inverse) !important;
}

[data-theme="night"] .bg-info {
  background: var(--info) !important;
  color: var(--text-inverse) !important;
}

/* Override any inline styles that might set light backgrounds */
[data-theme="night"] [style*="background-color: white"],
[data-theme="night"] [style*="background-color:#fff"],
[data-theme="night"] [style*="background-color:#ffffff"],
[data-theme="night"] [style*="background-color: #fff"],
[data-theme="night"] [style*="background-color: #ffffff"],
[data-theme="night"] [style*="background: white"],
[data-theme="night"] [style*="background:#fff"],
[data-theme="night"] [style*="background:#ffffff"],
[data-theme="night"] [style*="background: #fff"],
[data-theme="night"] [style*="background: #ffffff"] {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

/* Force all cards and containers to dark backgrounds */
[data-theme="night"] .card,
[data-theme="night"] .card-body,
[data-theme="night"] .glass-card,
[data-theme="night"] .export-card,
[data-theme="night"] .dashboard-card,
[data-theme="night"] .modal-content,
[data-theme="night"] .dropdown-menu,
[data-theme="night"] .navbar,
[data-theme="night"] .alert,
[data-theme="night"] .table,
[data-theme="night"] .format-card,
[data-theme="night"] .template-editor-container {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-medium) !important;
}

/* Override table row backgrounds */
[data-theme="night"] .table tbody tr,
[data-theme="night"] .table-hover tbody tr:hover {
  background: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
}

/* Override any pre elements that might have light backgrounds */
[data-theme="night"] pre,
[data-theme="night"] code,
[data-theme="night"] .bg-light {
  background: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
}

/* Force all text to be properly colored in dark mode */
[data-theme="night"] .text-white,
[data-theme="night"] .text-light {
  color: var(--text-primary) !important;
}

[data-theme="night"] .text-dark,
[data-theme="night"] .text-muted,
[data-theme="night"] .text-secondary {
  color: var(--text-secondary) !important;
}

/* Override any light gray backgrounds */
[data-theme="night"] [style*="background-color: #f8f9fa"],
[data-theme="night"] [style*="background-color: #f8fafc"],
[data-theme="night"] [style*="background-color: #e9ecef"],
[data-theme="night"] [style*="background: #f8f9fa"],
[data-theme="night"] [style*="background: #f8fafc"],
[data-theme="night"] [style*="background: #e9ecef"] {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

/* Nuclear override - force ALL elements to have dark backgrounds if they have any background */
[data-theme="night"] [style*="background"]:not([style*="background: transparent"]):not([style*="background: none"]) {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

[data-theme="night"] .alert-success {
  background: var(--success-light);
  border-color: var(--success);
  color: var(--success);
}

[data-theme="night"] .alert-warning {
  background: var(--warning-light);
  border-color: var(--warning);
  color: var(--warning);
}

[data-theme="night"] .alert-danger {
  background: var(--danger-light);
  border-color: var(--danger);
  color: var(--danger);
}

[data-theme="night"] .alert-info {
  background: var(--info-light);
  border-color: var(--info);
  color: var(--info);
}

[data-theme="night"] .text-muted {
  color: var(--text-muted) !important;
}

[data-theme="night"] .border {
  border-color: var(--border-color) !important;
}

[data-theme="night"] .shadow-sm {
  box-shadow: 0 0.125rem 0.25rem var(--shadow-color) !important;
}

[data-theme="night"] .shadow {
  box-shadow: 0 0.5rem 1rem var(--shadow-color) !important;
}

[data-theme="night"] .shadow-lg {
  box-shadow: 0 1rem 3rem var(--shadow-hover) !important;
}

/* Theme toggle button styling for night theme */
[data-theme="night"] .theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

[data-theme="night"] .theme-toggle-btn:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

/* Specific night theme enhancements */
[data-theme="night"] .card-header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

[data-theme="night"] .list-group-item {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="night"] .dropdown-menu {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

[data-theme="night"] .dropdown-item {
  color: var(--text-primary);
}

[data-theme="night"] .dropdown-item:hover {
  background: var(--bg-secondary);
  color: var(--accent-primary);
}

[data-theme="night"] .modal-content {
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

[data-theme="night"] .btn-close {
  filter: invert(1);
}

/* Code blocks and pre elements */
[data-theme="night"] pre,
[data-theme="night"] code {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

/* Focus indicators for accessibility */
[data-theme="night"] *:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Custom scrollbar for night theme */
[data-theme="night"] ::-webkit-scrollbar {
  width: 8px;
}

[data-theme="night"] ::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

[data-theme="night"] ::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

[data-theme="night"] ::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}