/**
 * Breakdance Theme Switcher - Toggle Styles
 * 
 * @package Breakdance_Theme_Switcher
 * @version 1.0.0
 */

/* ========================================
   CSS Custom Properties / Defaults
   ======================================== */

:root {
    /* Toggle sizing (overridden by PHP-generated values) */
    --bdts-toggle-height: 40px;
    --bdts-toggle-padding: 8px 14px;
    --bdts-toggle-icon-size: 18px;
    --bdts-toggle-font-size: 14px;
    
    /* Toggle colors (can be overridden in Global Settings) */
    --bdts-toggle-bg: transparent;
    --bdts-toggle-border: currentColor;
    --bdts-toggle-icon: currentColor;
    --bdts-toggle-hover: var(--bdts-brand, #2563eb);
    --bdts-toggle-radius: 8px;
    
    /* Internal variables */
    --bdts-toggle-text: var(--bdts-text, currentColor);
    --bdts-toggle-active-bg: var(--bdts-brand, #2563eb);
    --bdts-toggle-active-text: #ffffff;
    --bdts-toggle-focus-ring: rgba(37, 99, 235, 0.3);
}

/* ========================================
   Base Toggle Container
   ======================================== */

.bdts-theme-toggle {
    display: inline-flex;
    align-items: center;
    font-family: inherit;
    font-size: var(--bdts-toggle-font-size);
    line-height: 1;
}

/* Icon base styles */
.bdts-icon {
    width: var(--bdts-toggle-icon-size);
    height: var(--bdts-toggle-icon-size);
    flex-shrink: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ========================================
   Dropdown Style Toggle
   ======================================== */

.bdts-toggle__dropdown-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.bdts-toggle__select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    height: var(--bdts-toggle-height);
    padding: var(--bdts-toggle-padding);
    padding-left: calc(var(--bdts-toggle-icon-size) + 24px);
    padding-right: 36px;
    font-family: inherit;
    font-size: var(--bdts-toggle-font-size);
    font-weight: 500;
    color: var(--bdts-toggle-text);
    background-color: var(--bdts-toggle-bg);
    border: 1px solid var(--bdts-toggle-border);
    border-radius: var(--bdts-toggle-radius);
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    min-width: 120px;
}

.bdts-toggle__select:hover {
    border-color: var(--bdts-toggle-hover);
}

.bdts-toggle__select:focus {
    outline: none;
    border-color: var(--bdts-toggle-hover);
    box-shadow: 0 0 0 3px var(--bdts-toggle-focus-ring);
}

.bdts-toggle__select option {
    background-color: var(--bdts-background, #ffffff);
    color: var(--bdts-text, #1f2937);
    padding: 8px;
}

/* Icon display in dropdown */
.bdts-toggle__icon-display {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--bdts-toggle-icon-size);
    height: var(--bdts-toggle-icon-size);
    pointer-events: none;
    color: var(--bdts-toggle-icon);
}

.bdts-toggle__icon-display .bdts-icon {
    position: absolute;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

/* Show icon based on preference */
.bdts-toggle__dropdown-wrapper[data-preference="auto"] .bdts-icon--auto,
.bdts-toggle__dropdown-wrapper[data-preference="light"] .bdts-icon--light,
.bdts-toggle__dropdown-wrapper[data-preference="dark"] .bdts-icon--dark {
    opacity: 1;
    transform: scale(1);
}

/* Dropdown arrow */
.bdts-toggle__dropdown-arrow {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--bdts-toggle-icon);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.bdts-toggle__select:hover + .bdts-toggle__dropdown-arrow,
.bdts-toggle__select:focus + .bdts-toggle__dropdown-arrow {
    opacity: 1;
}

/* ========================================
   Switch Style Toggle
   ======================================== */

.bdts-toggle__switch {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.bdts-toggle__switch-track {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 56px;
    height: 28px;
    background-color: var(--bdts-toggle-border);
    border-radius: 14px;
    transition: background-color 0.2s ease;
}

.bdts-toggle__switch-track::before {
    content: '';
    position: absolute;
    left: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: currentColor;
    opacity: 0.3;
}

.bdts-toggle__switch-track::after {
    content: '';
    position: absolute;
    right: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: currentColor;
    opacity: 0.3;
}

.bdts-toggle__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.bdts-toggle__switch-thumb {
    position: absolute;
    left: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--bdts-background, #ffffff);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.bdts-toggle__input:checked ~ .bdts-toggle__switch-thumb {
    transform: translateX(28px);
}

.bdts-toggle__input:focus ~ .bdts-toggle__switch-thumb {
    box-shadow: 0 0 0 3px var(--bdts-toggle-focus-ring), 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Thumb icons */
.bdts-toggle__thumb-icon {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.bdts-toggle__thumb-icon .bdts-icon {
    width: 14px;
    height: 14px;
}

/* Default state (unchecked = light mode) - show sun */
.bdts-toggle__thumb-icon--dark {
    opacity: 0;
    transform: rotate(180deg);
}

.bdts-toggle__thumb-icon--light {
    opacity: 1;
    transform: rotate(0deg);
}

/* Checked state (dark mode) - show moon */
.bdts-toggle__input:checked ~ .bdts-toggle__switch-thumb .bdts-toggle__thumb-icon--dark {
    opacity: 1;
    transform: rotate(0deg);
}

.bdts-toggle__input:checked ~ .bdts-toggle__switch-thumb .bdts-toggle__thumb-icon--light {
    opacity: 0;
    transform: rotate(-180deg);
}

/* Switch labels */
.bdts-toggle__label {
    font-size: var(--bdts-toggle-font-size);
    font-weight: 500;
    color: var(--bdts-toggle-text);
    transition: opacity 0.2s ease;
}

/* Default (unchecked = light mode) */
.bdts-toggle__label--light {
    opacity: 1;
}

.bdts-toggle__label--dark {
    opacity: 0.5;
}

/* Checked (dark mode) */
.bdts-toggle__input:checked ~ .bdts-toggle__label--light {
    opacity: 0.5;
}

.bdts-toggle__input:checked ~ .bdts-toggle__label--dark {
    opacity: 1;
}

/* Auto mode indicator */
.bdts-toggle__switch-track[data-preference="auto"]::after {
    content: 'A';
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 8px;
    font-weight: bold;
    opacity: 0.5;
    background: transparent;
    border-radius: 0;
}

/* ========================================
   Button Group Style Toggle
   ======================================== */

.bdts-toggle__button-group {
    display: inline-flex;
    gap: 0;
    border-radius: var(--bdts-toggle-radius);
    overflow: hidden;
    border: 1px solid var(--bdts-toggle-border);
}

.bdts-toggle__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: var(--bdts-toggle-height);
    padding: var(--bdts-toggle-padding);
    font-family: inherit;
    font-size: var(--bdts-toggle-font-size);
    font-weight: 500;
    color: var(--bdts-toggle-text);
    background-color: var(--bdts-toggle-bg);
    border: none;
    border-right: 1px solid var(--bdts-toggle-border);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.bdts-toggle__button:last-child {
    border-right: none;
}

.bdts-toggle__button:hover {
    background-color: var(--bdts-toggle-border);
}

.bdts-toggle__button:focus {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--bdts-toggle-hover);
}

.bdts-toggle__button--active {
    background-color: var(--bdts-toggle-active-bg);
    color: var(--bdts-toggle-active-text);
}

.bdts-toggle__button--active:hover {
    background-color: var(--bdts-toggle-active-bg);
}

.bdts-toggle__button .bdts-icon {
    width: var(--bdts-toggle-icon-size);
    height: var(--bdts-toggle-icon-size);
}

.bdts-toggle__button-label {
    white-space: nowrap;
}

/* ========================================
   Icon-Only Button Toggle
   ======================================== */

.bdts-toggle__icon-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--bdts-toggle-height);
    height: var(--bdts-toggle-height);
    padding: 0;
    color: var(--bdts-toggle-icon);
    background-color: var(--bdts-toggle-bg);
    border: 1px solid var(--bdts-toggle-border);
    border-radius: var(--bdts-toggle-radius);
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.bdts-toggle__icon-button:hover {
    border-color: var(--bdts-toggle-hover);
    transform: scale(1.05);
}

.bdts-toggle__icon-button:focus {
    outline: none;
    border-color: var(--bdts-toggle-hover);
    box-shadow: 0 0 0 3px var(--bdts-toggle-focus-ring);
}

.bdts-toggle__icon-button:active {
    transform: scale(0.95);
}

/* Icon states */
.bdts-toggle__icon-button .bdts-toggle__icon {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: rotate(180deg) scale(0.5);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.bdts-toggle__icon-button[data-preference="auto"] .bdts-toggle__icon--auto,
.bdts-toggle__icon-button[data-preference="light"] .bdts-toggle__icon--light,
.bdts-toggle__icon-button[data-preference="dark"] .bdts-toggle__icon--dark {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Tooltip (optional) */
.bdts-toggle__icon-button::after {
    content: attr(data-tooltip-auto);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    color: var(--bdts-toggle-active-text);
    background-color: var(--bdts-text, #1f2937);
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.bdts-toggle__icon-button[data-preference="light"]::after {
    content: attr(data-tooltip-light);
}

.bdts-toggle__icon-button[data-preference="dark"]::after {
    content: attr(data-tooltip-dark);
}

.bdts-toggle__icon-button:hover::after,
.bdts-toggle__icon-button:focus::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* ========================================
   Size Variants (applied via data attributes)
   ======================================== */

/* Small */
.bdts-theme-toggle--small {
    --bdts-toggle-height: 32px;
    --bdts-toggle-padding: 6px 10px;
    --bdts-toggle-icon-size: 14px;
    --bdts-toggle-font-size: 12px;
}

/* Large */
.bdts-theme-toggle--large {
    --bdts-toggle-height: 48px;
    --bdts-toggle-padding: 10px 18px;
    --bdts-toggle-icon-size: 22px;
    --bdts-toggle-font-size: 16px;
}

/* ========================================
   Accessibility
   ======================================== */

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .bdts-theme-toggle *,
    .bdts-theme-toggle *::before,
    .bdts-theme-toggle *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
.bdts-toggle__select:focus-visible,
.bdts-toggle__button:focus-visible,
.bdts-toggle__icon-button:focus-visible {
    outline: 2px solid var(--bdts-toggle-hover);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (forced-colors: active) {
    .bdts-toggle__select,
    .bdts-toggle__button,
    .bdts-toggle__icon-button {
        border: 2px solid ButtonText;
    }
    
    .bdts-toggle__button--active {
        background-color: Highlight;
        color: HighlightText;
    }
}

/* ========================================
   Body Classes (Legacy Support)
   ======================================== */

body.bdts-theme--light,
body.bdts-theme--dark {
    /* No transition here - let Breakdance/plugin CSS handle it */
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .bdts-theme-toggle {
        display: none !important;
    }
}