/**
 * Dark Mode Switcher CSS
 * Modern CSS with custom properties and accessibility features
 */

:root {
    --dms-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --dms-toggle-size: 2.5rem;
    --dms-toggle-padding: 0.5rem;
    --dms-border-radius: 50%;
    --dms-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    --dms-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.2);
    
    /* Light mode colors */
    --dms-bg-primary: #ffffff;
    --dms-bg-secondary: #f8f9fa;
    --dms-text-primary: #212529;
    --dms-text-secondary: #6c757d;
    --dms-border: #dee2e6;
    --dms-toggle-bg: #ffffff;
    --dms-toggle-border: #dee2e6;
    --dms-toggle-hover: #f8f9fa;
}

.dark-mode {
    /* Dark mode colors */
    --dms-bg-primary: #1a1a1a;
    --dms-bg-secondary: #2d2d2d;
    --dms-text-primary: #ffffff;
    --dms-text-secondary: #b3b3b3;
    --dms-border: #404040;
    --dms-toggle-bg: #2d2d2d;
    --dms-toggle-border: #404040;
    --dms-toggle-hover: #3a3a3a;
}

/* Apply dark mode to common elements */
.dark-mode body {
    background-color: var(--dms-bg-primary);
    color: var(--dms-text-primary);
    transition: var(--dms-transition);
}

.dark-mode header,
.dark-mode nav,
.dark-mode main,
.dark-mode footer,
.dark-mode aside {
    background-color: var(--dms-bg-primary);
    color: var(--dms-text-primary);
}

.dark-mode a {
    color: var(--dms-text-primary);
}

.dark-mode input,
.dark-mode textarea,
.dark-mode select {
    background-color: var(--dms-bg-secondary);
    color: var(--dms-text-primary);
    border-color: var(--dms-border);
}

/* Dark mode toggle styles */
.dark-mode-toggle-item {
    list-style: none !important;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.dark-mode-toggle {
    position: relative;
    width: var(--dms-toggle-size);
    height: var(--dms-toggle-size);
    border: 2px solid var(--dms-toggle-border);
    border-radius: var(--dms-border-radius);
    background-color: var(--dms-toggle-bg);
    cursor: pointer;
    transition: var(--dms-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0 var(--dms-toggle-padding);
    box-shadow: var(--dms-shadow);
    font-size: 1.2rem;
    outline: none;
}

.dark-mode-toggle:hover {
    background-color: var(--dms-toggle-hover);
    box-shadow: var(--dms-shadow-hover);
    transform: translateY(-1px);
}

.dark-mode-toggle:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

.dark-mode-toggle:active {
    transform: translateY(0);
    box-shadow: var(--dms-shadow);
}

.mode-icon {
    position: absolute;
    transition: var(--dms-transition);
    font-size: 1rem;
    line-height: 1;
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.mode-icon.hidden {
    opacity: 0;
    transform: scale(0.8) rotate(180deg);
}

/* Three-mode icon management */
.light-icon,
.dark-icon,
.auto-icon {
    display: none;
}

/* Show icons based on data-mode attribute */
[data-mode="light"] .light-icon {
    display: inline;
}

[data-mode="dark"] .dark-icon {
    display: inline;
}

[data-mode="auto"] .auto-icon {
    display: inline;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .dark-mode-toggle {
        --dms-toggle-size: 2rem;
        --dms-toggle-padding: 0.25rem;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .dark-mode-toggle {
        border-width: 3px;
    }
    
    .dark-mode-toggle:focus {
        outline-width: 3px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .dark-mode-toggle,
    .dark-mode-icon,
    .dark-mode body {
        transition: none;
    }
}

/* Integration with common WordPress themes */
.menu .dark-mode-toggle-item,
#primary-menu .dark-mode-toggle-item,
.main-navigation .dark-mode-toggle-item {
    margin-left: auto;
}

/* Gutenberg Navigation block integration */
.wp-block-navigation .dark-mode-toggle-item {
    margin: 0;
    padding: 0;
}

.wp-block-navigation .dark-mode-toggle {
    padding: 0.5rem;
    margin: 0 0.5rem;
    background: var(--dms-toggle-bg);
    border: 2px solid var(--dms-toggle-border);
    border-radius: var(--dms-border-radius);
    color: inherit;
    font-size: inherit;
}

.wp-block-navigation .dark-mode-toggle:hover {
    background: var(--dms-toggle-hover);
}

/* Navigation block specific styling */
.wp-block-navigation-item .dark-mode-toggle {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Gutenberg editor support */
.wp-block .dark-mode-toggle {
    margin: 0;
}

/* Enhanced animations for three-mode switching */
.dark-mode-toggle .mode-icon {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.dark-mode-toggle .mode-icon.hidden {
    opacity: 0;
    transform: scale(0.8) rotate(180deg);
}

/* Mode-specific styling */
.dark-mode-toggle[data-mode="auto"] {
    border-color: #6366f1;
}

.dark-mode-toggle[data-mode="light"] {
    border-color: #f59e0b;
}

.dark-mode-toggle[data-mode="dark"] {
    border-color: #6b7280;
}

/* Icon hover effects for better UX */
.dark-mode-toggle:hover .mode-icon {
    transform: scale(1.1) rotate(5deg);
}

.dark-mode-toggle:active .mode-icon {
    transform: scale(0.95) rotate(-5deg);
}

/* Custom theme compatibility */
.dark-mode .wp-block-group,
.dark-mode .wp-block-cover,
.dark-mode .wp-block-columns {
    background-color: var(--dms-bg-primary);
    color: var(--dms-text-primary);
}

.dark-mode .wp-block-button__link {
    background-color: var(--dms-bg-secondary);
    color: var(--dms-text-primary);
    border-color: var(--dms-border);
}

/* Ensure proper contrast for important elements */
.dark-mode .has-background {
    background-color: var(--dms-bg-secondary) !important;
}

.dark-mode .has-text-color {
    color: var(--dms-text-primary) !important;
}