/**
 * WooCommerce Barcode Scanner
 * Frontend Styles with Design System Variables - Enhanced
 */

/* Design System Variables */
:root {
    /* Color Palette */
    --wc-scanner-primary: #0066cc;
    --wc-scanner-primary-hover: #0052a3;
    --wc-scanner-success: #4CAF50;
    --wc-scanner-success-hover: #45a049;
    --wc-scanner-text-primary: #333;
    --wc-scanner-text-secondary: #555;
    --wc-scanner-text-muted: #666;
    --wc-scanner-background: #fff;
    --wc-scanner-background-light: #f5f5f5;
    --wc-scanner-background-hover: #f0f0f0;
    --wc-scanner-border: #eaeaea;
    
    /* Overlay Colors */
    --wc-scanner-overlay-dark: rgba(0, 0, 0, 0.3);
    --wc-scanner-shadow-light: rgba(0, 0, 0, 0.2);
    --wc-scanner-shadow-medium: rgba(0, 0, 0, 0.3);
    --wc-scanner-success-shadow: rgba(76, 175, 80, 0.4);
    --wc-scanner-success-border-glow: rgba(76, 175, 80, 0.5);
    --wc-scanner-primary-shadow: rgba(0, 102, 204, 0.2);
    
    /* Spacing Scale */
    --wc-scanner-space-xs: 10px;
    --wc-scanner-space-sm: 16px;
    --wc-scanner-space-md: 20px;
    --wc-scanner-space-lg: 24px;
    --wc-scanner-space-xl: 30px;
    --wc-scanner-space-xxl: 40px;
    
    /* Border Radius Scale */
    --wc-scanner-radius-sm: 6px;
    --wc-scanner-radius-md: 10px;
    --wc-scanner-radius-lg: 12px;
    --wc-scanner-radius-xl: 30px;
    --wc-scanner-radius-full: 50%;
    
    /* Component Dimensions */
    --wc-scanner-button-size: 60px;
    --wc-scanner-button-icon-size: 30px;
    --wc-scanner-close-button-size: 32px;
    --wc-scanner-viewport-height: 300px;
    --wc-scanner-viewport-height-mobile: 250px;
    
    /* Modal Dimensions */
    --wc-scanner-modal-max-width: 500px;
    --wc-scanner-modal-min-height: 400px;
    
    /* Typography */
    --wc-scanner-font-size-sm: 14px;
    --wc-scanner-font-size-md: 15px;
    --wc-scanner-font-size-lg: 16px;
    --wc-scanner-font-size-xl: 20px;
    --wc-scanner-font-size-xxl: 24px;
    --wc-scanner-line-height-normal: 1.5;
    --wc-scanner-font-weight-normal: 500;
    --wc-scanner-font-weight-bold: 600;
    
    /* Animation Timing */
    --wc-scanner-transition-fast: 0.2s ease;
    --wc-scanner-transition-normal: 0.3s ease;
    --wc-scanner-transition-slow: 0.4s ease;
    --wc-scanner-transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Z-Index Scale */
    --wc-scanner-z-button: 1000;
    --wc-scanner-z-modal: 1001;
    --wc-scanner-z-overlay: 10;
}

/* Floating button */
.wc-barcode-scanner-button {
    position: fixed;
    bottom: var(--wc-scanner-space-xl);
    right: var(--wc-scanner-space-xl);
    width: var(--wc-scanner-button-size);
    height: var(--wc-scanner-button-size);
    border-radius: var(--wc-scanner-radius-full);
    background-color: var(--wc-scanner-background);
    box-shadow: 0 2px var(--wc-scanner-space-xs) var(--wc-scanner-shadow-medium);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: var(--wc-scanner-z-button);
    transition: transform var(--wc-scanner-transition-normal), opacity var(--wc-scanner-transition-fast);
}

.wc-barcode-scanner-button:hover {
    transform: scale(1.1);
}

.wc-barcode-scanner-button svg {
    width: var(--wc-scanner-button-icon-size);
    height: var(--wc-scanner-button-icon-size);
}

/* Scanner modal */
.wc-barcode-scanner-modal {
    position: fixed;
    bottom: var(--wc-scanner-space-xl);
    right: var(--wc-scanner-space-xl);
    width: var(--wc-scanner-button-size);
    height: var(--wc-scanner-button-size);
    background-color: var(--wc-scanner-background);
    border-radius: var(--wc-scanner-radius-xl);
    box-shadow: 0 4px var(--wc-scanner-space-md) var(--wc-scanner-shadow-light);
    z-index: var(--wc-scanner-z-modal);
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
    overflow: hidden;
    transition: all var(--wc-scanner-transition-bounce);
    transform-origin: bottom right;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.wc-barcode-scanner-modal.active {
    width: 90%;
    max-width: var(--wc-scanner-modal-max-width);
    height: auto;
    min-height: var(--wc-scanner-modal-min-height);
    border-radius: var(--wc-scanner-radius-lg);
    padding: var(--wc-scanner-space-lg);
    bottom: var(--wc-scanner-space-xxl);
    right: var(--wc-scanner-space-xxl);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Modal header */
.wc-scanner-modal-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--wc-scanner-space-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--wc-scanner-transition-normal) 0.2s;
}

.wc-barcode-scanner-modal.active .wc-scanner-modal-header {
    opacity: 1;
    visibility: visible;
}

.wc-scanner-modal-title {
    color: var(--wc-scanner-text-primary);
    font-size: var(--wc-scanner-font-size-xl);
    font-weight: var(--wc-scanner-font-weight-bold);
    margin: 0;
}

.wc-scanner-close-button {
    background: none;
    border: none;
    color: var(--wc-scanner-text-muted);
    font-size: var(--wc-scanner-font-size-xxl);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--wc-scanner-close-button-size);
    height: var(--wc-scanner-close-button-size);
    border-radius: var(--wc-scanner-radius-full);
    transition: background-color var(--wc-scanner-transition-fast);
}

.wc-scanner-close-button:hover {
    background-color: var(--wc-scanner-background-hover);
}

/* Modal content */
.wc-scanner-modal-content {
    width: 100%;
    opacity: 0;
    transform: translateY(var(--wc-scanner-space-md));
    transition: all var(--wc-scanner-transition-slow) 0.2s;
}

.wc-barcode-scanner-modal.active .wc-scanner-modal-content {
    opacity: 1;
    transform: translateY(0);
}

.wc-scanner-description {
    color: var(--wc-scanner-text-secondary);
    margin-bottom: var(--wc-scanner-space-md);
    text-align: center;
    font-size: var(--wc-scanner-font-size-sm);
    line-height: var(--wc-scanner-line-height-normal);
}

/* Scanner container and viewport */
.wc-scanner-container {
    position: relative;
    width: 100%;
    height: var(--wc-scanner-viewport-height);
    background-color: var(--wc-scanner-background-light);
    overflow: hidden;
    border-radius: var(--wc-scanner-radius-md);
    margin-bottom: var(--wc-scanner-space-md);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: 1px solid var(--wc-scanner-border);
}

/* Temporary error message */
.wc-scanner-temp-error {
    animation: slideInFadeOut 3s ease-out;
}

@keyframes slideInFadeOut {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    15% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    85% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
}

/* Camera swap button */
.wc-scanner-camera-swap {
    position: absolute;
    bottom: var(--wc-scanner-space-sm);
    right: var(--wc-scanner-space-sm);
    width: 44px;
    height: 44px;
    border-radius: var(--wc-scanner-radius-full);
    background-color: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--wc-scanner-transition-fast);
    z-index: 5;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.wc-scanner-camera-swap:hover {
    background-color: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.wc-scanner-camera-swap:active {
    transform: scale(0.95);
}

.wc-scanner-camera-swap svg {
    width: 20px;
    height: 20px;
}

.wc-scanner-viewport {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Fix for Quagga canvas elements */
.wc-scanner-viewport canvas, 
.wc-scanner-viewport video {
    width: 100% !important;
    height: 100% !important;
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover; /* Ensure video/canvas covers the area properly */
}

/* Ensure drawing buffer canvas is visible and properly positioned */
.wc-scanner-viewport canvas.drawingBuffer {
    width: 100% !important;
    height: 100% !important;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none; /* Allow clicks to pass through */
    z-index: 2; /* Ensure it's above the video */
}

/* Scanner overlay */
.wc-scanner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--wc-scanner-overlay-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--wc-scanner-background);
    font-size: var(--wc-scanner-font-size-lg);
    z-index: var(--wc-scanner-z-overlay);
    border-radius: var(--wc-scanner-radius-md);
    text-align: center;
    padding: var(--wc-scanner-space-md);
}

/* Scanner status */
.wc-scanner-status {
    margin-top: var(--wc-scanner-space-xs);
    color: var(--wc-scanner-text-muted);
    text-align: center;
    min-height: var(--wc-scanner-space-md);
    font-size: var(--wc-scanner-font-size-sm);
}

/* Product result display */
.wc-scanner-product-result {
    display: flex;
    align-items: center;
    gap: var(--wc-scanner-space-sm);
    background-color: var(--wc-scanner-background);
    padding: var(--wc-scanner-space-sm);
    border-radius: var(--wc-scanner-radius-md);
    border: 1px solid var(--wc-scanner-success);
    margin-top: var(--wc-scanner-space-md);
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.15);
    animation: slideInFade 0.3s ease-out;
    transition: all var(--wc-scanner-transition-fast);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.wc-scanner-product-result:hover {
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.25);
    transform: translateY(-2px);
}

@keyframes slideInFade {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.wc-scanner-product-thumb {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--wc-scanner-radius-sm);
    flex-shrink: 0;
}

.wc-scanner-product-name {
    flex: 1;
    font-size: var(--wc-scanner-font-size-md);
    font-weight: var(--wc-scanner-font-weight-normal);
    color: var(--wc-scanner-text-primary);
    text-align: left;
    line-height: var(--wc-scanner-line-height-normal);
}

.wc-scanner-product-go {
    width: 44px;
    height: 44px;
    border-radius: var(--wc-scanner-radius-full);
    background-color: var(--wc-scanner-success);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--wc-scanner-transition-fast);
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

.wc-scanner-product-go:hover {
    background-color: var(--wc-scanner-success-hover);
    transform: scale(1.1);
}

.wc-scanner-product-go:active {
    transform: scale(0.95);
}

.wc-scanner-product-go svg {
    width: 20px;
    height: 20px;
}

/* Scanner container confirmation state */
.wc-scanner-container.wc-scanner-confirmed {
    border: 3px solid var(--wc-scanner-success);
    box-shadow: 0 0 15px var(--wc-scanner-success-border-glow);
    transition: all var(--wc-scanner-transition-normal);
}

/* Header button container */
.wc-scanner-header-buttons {
    display: flex;
    gap: var(--wc-scanner-space-xs);
    align-items: center;
}

/* Debug button - Enhanced for mobile touch */
.wc-scanner-debug-button {
    background: var(--wc-scanner-background-light);
    border: 1px solid var(--wc-scanner-border);
    color: var(--wc-scanner-text-muted);
    padding: 8px 12px; /* Increased padding for better touch targets */
    border-radius: var(--wc-scanner-radius-sm);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--wc-scanner-transition-fast);
    /* Touch enhancements */
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
    min-height: 44px; /* iOS recommended touch target size */
    display: flex;
    align-items: center;
    justify-content: center;
}

.wc-scanner-debug-button:hover {
    background-color: var(--wc-scanner-background-hover);
    color: var(--wc-scanner-text-primary);
}

/* Active state for touch feedback */
.wc-scanner-debug-button:active {
    background-color: var(--wc-scanner-primary);
    color: var(--wc-scanner-background);
    transform: scale(0.95);
}

/* Debug panel */
.wc-scanner-debug-panel {
    margin-top: var(--wc-scanner-space-md);
    padding: var(--wc-scanner-space-sm);
    background-color: var(--wc-scanner-background-light);
    border: 1px solid var(--wc-scanner-border);
    border-radius: var(--wc-scanner-radius-sm);
    font-family: monospace;
    font-size: 11px;
    line-height: 1.3;
    color: var(--wc-scanner-text-secondary);
    max-height: 150px;
    overflow-y: auto;
    word-break: break-all;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .wc-barcode-scanner-modal.active {
        width: 95%;
        bottom: var(--wc-scanner-space-xs);
        right: var(--wc-scanner-space-xs);
        padding: var(--wc-scanner-space-sm);
    }
    
    .wc-scanner-container {
        height: var(--wc-scanner-viewport-height-mobile);
    }
    
    /* Ensure buttons are touch-friendly on mobile */
    .wc-scanner-debug-button,
    .wc-scanner-close-button {
        min-width: 44px;
        min-height: 44px;
    }
    
    /* Adjust product result for mobile */
    .wc-scanner-product-result {
        padding: var(--wc-scanner-space-xs);
        gap: var(--wc-scanner-space-xs);
    }
    
    .wc-scanner-product-thumb {
        width: 50px;
        height: 50px;
    }
    
    .wc-scanner-product-name {
        font-size: var(--wc-scanner-font-size-sm);
    }
}

/* iOS-specific fixes */
@supports (-webkit-touch-callout: none) {
    /* iOS-specific styles */
    .wc-scanner-debug-button {
        -webkit-appearance: none;
        appearance: none;
    }
    
    /* Prevent zoom on double-tap */
    .wc-scanner-container,
    .wc-scanner-debug-button,
    .wc-scanner-close-button {
        touch-action: manipulation;
    }
}