/**
 * Product Variant Selector Styles
 * Styles for Osmo, Shades, and Elements product type selectors
 */

/* Shade Button Base Styles */
.btn-shade {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 60px;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    cursor: pointer;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: all 0.2s ease-in-out;
    overflow: hidden;
}

.btn-shade picture, .btn-shade picture img
{
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 6px;
}

.btn-shade picture img {
    object-fit: cover;
}

/* Hover State */
.btn-shade:hover {
    border-color: #adb5bd;
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Active/Selected State */
.btn-shade.active {
    border-color: #28a745;
    border-width: 3px;
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

/* Disabled State */
.btn-shade.disabled,
.btn-shade:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Focus State for Accessibility */
.btn-shade:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

/* Responsive Sizes */
@media (max-width: 576px) {
    .btn-shade {
        width: 50px;
        height: 50px;
    }
}

@media (min-width: 992px) {
    .btn-shade {
        width: 70px;
        height: 70px;
    }
}

/* Variant Button Styles (Standard Variants) */
.btn-variant {
    border: 2px solid #dee2e6;
    background-color: #fff;
    color: #495057;
    transition: all 0.2s ease-in-out;
}

.btn-variant:hover {
    border-color: #adb5bd;
    background-color: #f8f9fa;
}

.btn-variant.active {
    border-color: #28a745;
    background-color: #28a745;
    color: #fff;
}

.btn-variant.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    text-decoration: line-through;
}

/* Element Category Buttons */
.btn-outline-secondary[data-element-category] {
    min-width: 100px;
}

.btn-outline-secondary[data-element-category].active {
    background-color: #6c757d;
    border-color: #6c757d;
    color: #fff;
}

/* Osmo Shade Code Input */
#osmoShadeCode {
    text-transform: uppercase;
}

#osmoShadeCode.is-valid {
    border-color: #28a745;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

#osmoShadeCode.is-invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* Loading State */
.btn-shade.loading {
    pointer-events: none;
    position: relative;
}

.btn-shade.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Accessibility: High Contrast Mode */
@media (prefers-contrast: high) {
    .btn-shade {
        border-width: 3px;
    }
    
    .btn-shade.active {
        border-width: 4px;
    }
}

/* Print Styles */
@media print {
    .btn-shade,
    .btn-variant,
    .btn-outline-secondary[data-element-category] {
        border: 1px solid #000;
        box-shadow: none;
    }
}