/**
 * Dark Mode Styles for Kam Ling International Trading Co.
 * Automatically applied based on user preference
 */

/* Dark mode CSS variables */
[data-theme="dark"] {
  --primary-color: #4a90e2;
  --secondary-color: #9ca3af;
  --accent-color: #fbbf24;
  --light-color: #1f2937;
  --dark-color: #f3f4f6;
  --bg-color: #111827;
  --card-bg: #1f2937;
  --text-color: #f3f4f6;
  --text-muted: #9ca3af;
  --border-color: #374151;
  --hero-bg: linear-gradient(135deg, #1e3a8a 0%, #581c87 100%);
}

/* Apply dark mode based on system preference if no manual selection */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --primary-color: #4a90e2;
    --secondary-color: #9ca3af;
    --accent-color: #fbbf24;
    --light-color: #1f2937;
    --dark-color: #f3f4f6;
    --bg-color: #111827;
    --card-bg: #1f2937;
    --text-color: #f3f4f6;
    --text-muted: #9ca3af;
    --border-color: #374151;
    --hero-bg: linear-gradient(135deg, #1e3a8a 0%, #581c87 100%);
  }
}

/* Dark mode specific styles */
[data-theme="dark"] body {
  background-color: var(--bg-color);
  color: var(--text-color);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) body {
    background-color: var(--bg-color);
    color: var(--text-color);
  }
}

/* Ensure all text elements are visible in dark mode */
[data-theme="dark"] p,
[data-theme="dark"] span,
[data-theme="dark"] div,
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] li,
[data-theme="dark"] td,
[data-theme="dark"] th,
[data-theme="dark"] label,
[data-theme="dark"] .lead {
  color: var(--text-color);
}

/* Ensure paragraphs and content in containers are visible */
[data-theme="dark"] .container p,
[data-theme="dark"] .container div,
[data-theme="dark"] .card-text,
[data-theme="dark"] .card-body p,
[data-theme="dark"] .card-body div {
  color: var(--text-color);
}

/* Cards and containers */
[data-theme="dark"] .card,
[data-theme="dark"] .product-card {
  background-color: var(--card-bg);
  border-color: var(--border-color);
}

/* Override Bootstrap bg-light class in dark mode */
[data-theme="dark"] .bg-light {
  background-color: var(--card-bg) !important;
}

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

[data-theme="dark"] .card.bg-light .card-body {
  color: var(--text-color);
}

[data-theme="dark"] .card.bg-light .card-title {
  color: var(--text-color);
}

[data-theme="dark"] .card.bg-light .card-text {
  color: var(--text-color);
}

/* System dark mode support for bg-light */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .bg-light {
    background-color: var(--card-bg) !important;
  }

  :root:not([data-theme]) .card.bg-light {
    background-color: var(--card-bg) !important;
    color: var(--text-color);
  }

  :root:not([data-theme]) .card.bg-light .card-body {
    color: var(--text-color);
  }

  :root:not([data-theme]) .card.bg-light .card-title {
    color: var(--text-color);
  }

  :root:not([data-theme]) .card.bg-light .card-text {
    color: var(--text-color);
  }
}

/* Keep navbar with original white background and dark text in dark mode */
[data-theme="dark"] .navbar,
[data-theme="dark"] .navbar-light,
[data-theme="dark"] header,
[data-theme="dark"] header.navbar {
  background-color: #fff !important;
  color: rgba(0, 0, 0, 0.9) !important;
}

[data-theme="dark"] .navbar .nav-link,
[data-theme="dark"] .navbar .dropdown-item,
[data-theme="dark"] header .nav-link {
  color: rgba(0, 0, 0, 0.7) !important;
}

[data-theme="dark"] .navbar .nav-link:hover,
[data-theme="dark"] .navbar .dropdown-item:hover,
[data-theme="dark"] header .nav-link:hover {
  color: rgba(0, 0, 0, 0.9) !important;
}

/* Keep site title in original red color in dark mode */
[data-theme="dark"] .navbar-brand,
[data-theme="dark"] .navbar-brand span[data-translate="site_title"],
[data-theme="dark"] header .navbar-brand,
[data-theme="dark"] header .navbar-brand span[data-translate="site_title"] {
  color: #b72528 !important;
}

/* Keep language dropdown same color as nav links */
[data-theme="dark"] #languageDropdown,
[data-theme="dark"] #currentLangLabel {
  color: rgba(0, 0, 0, 0.7) !important;
}

[data-theme="dark"] #languageDropdown:hover,
[data-theme="dark"] #languageDropdown:hover #currentLangLabel {
  color: rgba(0, 0, 0, 0.9) !important;
}

/* Keep dropdown menus light in dark mode */
[data-theme="dark"] .dropdown-menu {
  background-color: #fff !important;
  border-color: #dee2e6 !important;
}

/* Keep navbar toggler icon dark in dark mode */
[data-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 0, 0, 0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

[data-theme="dark"] .navbar-toggler {
  border-color: rgba(0, 0, 0, 0.1) !important;
}

/* Also handle prefers-color-scheme for navbar */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .navbar,
  :root:not([data-theme]) .navbar-light,
  :root:not([data-theme]) header,
  :root:not([data-theme]) header.navbar {
    background-color: #fff !important;
    color: rgba(0, 0, 0, 0.9) !important;
  }

  :root:not([data-theme]) .navbar .nav-link,
  :root:not([data-theme]) .navbar .dropdown-item,
  :root:not([data-theme]) header .nav-link {
    color: rgba(0, 0, 0, 0.7) !important;
  }

  :root:not([data-theme]) .navbar .nav-link:hover,
  :root:not([data-theme]) .navbar .dropdown-item:hover,
  :root:not([data-theme]) header .nav-link:hover {
    color: rgba(0, 0, 0, 0.9) !important;
  }

  /* Keep site title in original red color in system dark mode */
  :root:not([data-theme]) .navbar-brand,
  :root:not([data-theme]) .navbar-brand span[data-translate="site_title"],
  :root:not([data-theme]) header .navbar-brand,
  :root:not([data-theme]) header .navbar-brand span[data-translate="site_title"] {
    color: #b72528 !important;
  }

  /* Keep language dropdown same color as nav links in system dark mode */
  :root:not([data-theme]) #languageDropdown,
  :root:not([data-theme]) #currentLangLabel {
    color: rgba(0, 0, 0, 0.7) !important;
  }

  :root:not([data-theme]) #languageDropdown:hover,
  :root:not([data-theme]) #languageDropdown:hover #currentLangLabel {
    color: rgba(0, 0, 0, 0.9) !important;
  }

  :root:not([data-theme]) .dropdown-menu {
    background-color: #fff !important;
    border-color: #dee2e6 !important;
  }

  :root:not([data-theme]) .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 0, 0, 0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
  }

  :root:not([data-theme]) .navbar-toggler {
    border-color: rgba(0, 0, 0, 0.1) !important;
  }
}

/* Text colors */
[data-theme="dark"] .text-muted {
  color: var(--text-muted) !important;
}

/* Links */
[data-theme="dark"] a:not(.btn) {
  color: var(--primary-color);
}

[data-theme="dark"] a:not(.btn):hover {
  color: #60a5fa;
}

/* Buttons */
[data-theme="dark"] .btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

[data-theme="dark"] .btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

[data-theme="dark"] .btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: #fff;
}

/* Forms */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-color);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  background-color: var(--card-bg);
  border-color: var(--primary-color);
  color: var(--text-color);
}

/* Hero section */
[data-theme="dark"] .hero-section {
  background: var(--hero-bg);
}

/* Footer */
[data-theme="dark"] footer {
  background-color: #0f172a;
  border-top-color: var(--border-color);
}

/* Images - slight opacity adjustment for dark mode */
[data-theme="dark"] img:not(.logo) {
  opacity: 0.9;
}

[data-theme="dark"] img:not(.logo):hover {
  opacity: 1;
}

/* Dark mode toggle button styles - navbar version */
.dark-mode-toggle-nav {
  background: transparent !important;
  border: none !important;
  padding: 0.5rem 1rem !important;
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform 0.2s;
  text-decoration: none !important;
  opacity: 1 !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
}

.dark-mode-toggle-nav:hover {
  transform: scale(1.2);
  opacity: 1 !important;
}

.dark-mode-toggle-nav:active {
  transform: scale(0.95);
}

.dark-mode-toggle-nav:focus {
  outline: none;
  box-shadow: none !important;
}

/* Old fixed position toggle - hide it */
.dark-mode-toggle {
  display: none;
}

/* Ensure Tawk.to widget stays visible */
/* Tawk.to uses iframe and dynamically generated classes */
iframe[src*="tawk.to"] {
  z-index: 999998 !important;
  visibility: visible !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* Prevent dark mode from affecting Tawk.to widget */
[data-theme="dark"] iframe[src*="tawk.to"] {
  filter: none !important;
}

/* Icon visibility - ensure spans are inline by default */
.dark-mode-toggle-nav .sun-icon,
.dark-mode-toggle-nav .moon-icon {
  display: inline;
}

/* Hide sun icon in dark mode, moon in light mode */
[data-theme="dark"] .dark-mode-toggle-nav .sun-icon {
  display: none !important;
}

[data-theme="light"] .dark-mode-toggle-nav .moon-icon,
:root:not([data-theme]) .dark-mode-toggle-nav .moon-icon {
  display: none !important;
}

/* Smooth transitions for theme changes */
body,
.card,
.navbar,
.btn,
.form-control,
.form-select {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Accessibility: Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  body,
  .card,
  .navbar,
  .btn,
  .form-control,
  .form-select,
  .dark-mode-toggle {
    transition: none;
  }
}

/* Loading skeleton in dark mode */
[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    #374151 25%,
    #4b5563 50%,
    #374151 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s ease-in-out infinite;
}

/* Bootstrap Tables - Dark Mode */
[data-theme="dark"] .table {
  color: var(--text-color);
  border-color: var(--border-color);
}

[data-theme="dark"] .table th,
[data-theme="dark"] .table td {
  color: var(--text-color);
  border-color: var(--border-color);
  background-color: transparent;
}

[data-theme="dark"] .table thead th {
  color: var(--text-color);
  background-color: #374151;
  border-color: var(--border-color);
}

[data-theme="dark"] .table tbody tr {
  border-color: var(--border-color);
}

[data-theme="dark"] .table tbody tr:hover {
  background-color: rgba(55, 65, 81, 0.3);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
  color: var(--text-color);
  background-color: rgba(55, 65, 81, 0.2);
}

[data-theme="dark"] .table-bordered {
  border-color: var(--border-color);
}

[data-theme="dark"] .table-bordered th,
[data-theme="dark"] .table-bordered td {
  border-color: var(--border-color);
}

[data-theme="dark"] .table-sm th,
[data-theme="dark"] .table-sm td {
  color: var(--text-color);
}

/* Table light/dark variants in dark mode */
[data-theme="dark"] .table-light {
  background-color: #374151 !important;
  color: var(--text-color);
}

[data-theme="dark"] .table-light th,
[data-theme="dark"] .table-light td {
  background-color: #374151 !important;
  color: var(--text-color);
  border-color: var(--border-color);
}

[data-theme="dark"] thead.table-light {
  background-color: #374151 !important;
}

[data-theme="dark"] thead.table-light th {
  background-color: #374151 !important;
  color: var(--text-color);
  border-color: var(--border-color);
}

[data-theme="dark"] tr.table-light {
  background-color: #374151 !important;
}

[data-theme="dark"] tr.table-light th,
[data-theme="dark"] tr.table-light td {
  background-color: #374151 !important;
  color: var(--text-color);
  border-color: var(--border-color);
}

[data-theme="dark"] .table-dark {
  background-color: #1f2937;
  color: var(--text-color);
}

/* System dark mode support for tables */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .table {
    color: var(--text-color);
    border-color: var(--border-color);
  }

  :root:not([data-theme]) .table th,
  :root:not([data-theme]) .table td {
    color: var(--text-color);
    border-color: var(--border-color);
  }

  :root:not([data-theme]) .table thead th {
    background-color: #374151;
    color: var(--text-color);
  }

  :root:not([data-theme]) .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(55, 65, 81, 0.2);
  }

  :root:not([data-theme]) .table-light {
    background-color: #374151 !important;
    color: var(--text-color);
  }

  :root:not([data-theme]) .table-light th,
  :root:not([data-theme]) .table-light td {
    background-color: #374151 !important;
    color: var(--text-color);
    border-color: var(--border-color);
  }

  :root:not([data-theme]) thead.table-light {
    background-color: #374151 !important;
  }

  :root:not([data-theme]) thead.table-light th {
    background-color: #374151 !important;
    color: var(--text-color);
    border-color: var(--border-color);
  }

  :root:not([data-theme]) tr.table-light {
    background-color: #374151 !important;
  }

  :root:not([data-theme]) tr.table-light th,
  :root:not([data-theme]) tr.table-light td {
    background-color: #374151 !important;
    color: var(--text-color);
    border-color: var(--border-color);
  }
}

/* Product Comparison Modal - Dark Mode */
[data-theme="dark"] .comparison-modal-content {
  background-color: var(--card-bg);
  color: var(--text-color);
}

[data-theme="dark"] .comparison-modal-content .modal-header {
  background-color: #1f2937;
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .comparison-modal-content .modal-title {
  color: var(--text-color);
}

[data-theme="dark"] .comparison-modal-content .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="dark"] .comparison-modal-content .modal-body {
  background-color: var(--bg-color);
}

[data-theme="dark"] .comparison-modal-content .modal-footer {
  background-color: #1f2937;
  border-top-color: var(--border-color);
}

/* Comparison table dark mode */
[data-theme="dark"] .comparison-table {
  color: var(--text-color);
  border-color: var(--border-color);
}

[data-theme="dark"] .comparison-table thead {
  background-color: #374151 !important;
  border-color: var(--border-color);
}

[data-theme="dark"] .comparison-table thead th {
  color: var(--text-color) !important;
  border-color: var(--border-color);
  background-color: #374151 !important;
}

[data-theme="dark"] .comparison-table tbody tr {
  border-color: var(--border-color);
}

[data-theme="dark"] .comparison-table tbody td {
  color: var(--text-color);
  border-color: var(--border-color);
  background-color: var(--card-bg);
}

[data-theme="dark"] .comparison-table tbody tr.table-light {
  background-color: #374151 !important;
}

[data-theme="dark"] .comparison-table tbody tr.table-light td {
  background-color: #374151 !important;
  color: var(--text-color);
}

[data-theme="dark"] .comparison-table .fw-bold {
  color: var(--text-color);
}

/* Comparison Bar - Dark Mode */
[data-theme="dark"] .comparison-bar {
  background-color: var(--card-bg);
  border-top-color: var(--border-color);
}

[data-theme="dark"] .comparison-bar .comparison-title {
  color: var(--text-color);
}

[data-theme="dark"] .comparison-bar .comparison-title strong {
  color: var(--text-color);
}

[data-theme="dark"] .comparison-bar .comparison-product-item {
  background-color: #374151;
  border-color: var(--border-color);
}

[data-theme="dark"] .comparison-bar .comparison-product-item .product-name {
  color: var(--text-color);
}

[data-theme="dark"] .comparison-bar .comparison-product-item .remove-compare {
  color: var(--text-muted);
}

[data-theme="dark"] .comparison-bar .comparison-product-item .remove-compare:hover {
  color: #ef4444;
}

/* System dark mode support */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .comparison-modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
  }

  :root:not([data-theme]) .comparison-modal-content .modal-header {
    background-color: #1f2937;
    border-bottom-color: var(--border-color);
  }

  :root:not([data-theme]) .comparison-modal-content .modal-title {
    color: var(--text-color);
  }

  :root:not([data-theme]) .comparison-modal-content .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
  }

  :root:not([data-theme]) .comparison-modal-content .modal-body {
    background-color: var(--bg-color);
  }

  :root:not([data-theme]) .comparison-table {
    color: var(--text-color);
    border-color: var(--border-color);
  }

  :root:not([data-theme]) .comparison-table thead {
    background-color: #374151 !important;
  }

  :root:not([data-theme]) .comparison-table thead th {
    color: var(--text-color) !important;
    border-color: var(--border-color);
    background-color: #374151 !important;
  }

  :root:not([data-theme]) .comparison-table tbody td {
    color: var(--text-color);
    border-color: var(--border-color);
    background-color: var(--card-bg);
  }

  :root:not([data-theme]) .comparison-bar {
    background-color: var(--card-bg);
    border-top-color: var(--border-color);
  }

  :root:not([data-theme]) .comparison-bar .comparison-title {
    color: var(--text-color);
  }
}