/**
 * Signature Filters Pro - Styles
 * Modern, accessible, Woodmart-compatible styling
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

.sfp-form {
    --sfp-primary: var(--wd-primary-color, #a74241);
    --sfp-primary-hover: var(--wd-primary-color-hover, #a74341b4);
    --sfp-text: var(--wd-text-color, #333);
    --sfp-text-light: #666;
    --sfp-border: rgba(0, 0, 0, 0.1);
    --sfp-bg: #fff;
    --sfp-bg-hover: rgba(0, 0, 0, 0.03);
    --sfp-radius: 4px;
    --sfp-radius-lg: 35px;
    --sfp-spacing-xs: 0.25rem;
    --sfp-spacing-sm: 0.5rem;
    --sfp-spacing-md: 1rem;
    --sfp-spacing-lg: 1.5rem;
    --sfp-transition: 0.2s ease;
    --sfp-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   Form Layout
   ========================================================================== */

.sfp-form {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 100vh;
    font-size: 14px;
    line-height: 1.5;
    color: var(--sfp-text);
    background: var(--sfp-bg);
}

/* Context Banner - Shows current category breadcrumb */
.sfp-context-banner {
    background: linear-gradient(135deg, var(--sfp-primary), color-mix(in srgb, var(--sfp-primary) 80%, #000));
    color: #fff;
    padding: 10px 14px;
    border-radius: var(--sfp-radius);
    margin-bottom: var(--sfp-spacing-md);
    font-size: 13px;
}

.sfp-context-label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.85;
    margin-bottom: 2px;
}

.sfp-context-breadcrumb {
    display: block;
    font-weight: 600;
}

.sfp-filters-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: var(--sfp-spacing-sm);
    margin-right: calc(var(--sfp-spacing-sm) * -1);
    scrollbar-width: thin;
    scrollbar-color: #ccc #f1f1f1;
}

.sfp-filters-scroll::-webkit-scrollbar {
    width: 6px;
}

.sfp-filters-scroll::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.sfp-filters-scroll::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.sfp-filters-scroll::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* ==========================================================================
   Filter Groups
   ========================================================================== */

.sfp-group {
    margin: var(--sfp-spacing-md) 0;
    padding-bottom: var(--sfp-spacing-md);
    border-bottom: 1px solid var(--sfp-border);
}

.sfp-group:first-child {
    margin-top: 0;
}

.sfp-group:last-child {
    border-bottom: none;
}

.sfp-legend {
    display: block;
    font-weight: 600;
    margin-bottom: var(--sfp-spacing-sm);
    color: var(--sfp-text);
}

.sfp-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--sfp-spacing-sm);
    color: var(--sfp-text);
}

/* ==========================================================================
   Search Input
   ========================================================================== */

.sfp-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--sfp-border);
    border-radius: var(--sfp-radius);
    font-size: 14px;
    color: var(--sfp-text);
    background: var(--sfp-bg);
    transition: border-color var(--sfp-transition), box-shadow var(--sfp-transition);
    box-sizing: border-box;
}

.sfp-input:focus {
    outline: none;
    border-color: var(--sfp-primary);
    box-shadow: 0 0 0 3px rgba(30, 115, 190, 0.15);
}

.sfp-input::placeholder {
    color: #999;
}

/* Search specific */
.sfp-search-group .sfp-input {
    padding-left: 36px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
    box-sizing: border-box;
}

/* ==========================================================================
   Checkboxes
   ========================================================================== */

.sfp-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--sfp-spacing-sm);
    padding: var(--sfp-spacing-xs) 0;
    cursor: pointer;
    transition: background var(--sfp-transition);
    border-radius: var(--sfp-radius);
}

.sfp-checkbox:hover {
    background: var(--sfp-bg-hover);
}

.sfp-checkbox input[type="checkbox"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--sfp-primary);
}

.sfp-checkbox-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: var(--sfp-spacing-sm);
}

.sfp-term-name {
    flex: 1;
}

.sfp-count {
    flex-shrink: 0;
    font-size: 12px;
    color: var(--sfp-text-light);
    opacity: 0.8;
}

/* ==========================================================================
   Terms List (Taxonomy Filters)
   ========================================================================== */

.sfp-terms-list {
    display: flex;
    flex-direction: column;
    gap: var(--sfp-spacing-xs);
    max-height: 280px;
    padding-right: var(--sfp-spacing-xs);
    overflow-x: hidden;
}

.sfp-term-item {
    /* Base term item */
}

.sfp-term-children {
    margin-left: 20px;
    padding-left: 12px;
    border-left: 2px solid var(--sfp-border);
    margin-top: var(--sfp-spacing-xs);
}

.sfp-term-child {
    /* Child term specific styles if needed */
}

/* Context term highlighting - terms that are part of current category path */
.sfp-term-context > .sfp-checkbox {
    background: rgba(30, 115, 190, 0.08);
    border-radius: var(--sfp-radius);
    padding-left: var(--sfp-spacing-xs);
    padding-right: var(--sfp-spacing-xs);
}

.sfp-term-context > .sfp-checkbox .sfp-term-name {
    font-weight: 600;
    color: var(--sfp-primary);
}

/* ==========================================================================
   Price Filter
   ========================================================================== */

.sfp-price-inputs {
    display: flex;
    align-items: center;
    gap: var(--sfp-spacing-sm);
}

.sfp-price-field {
    flex: 1;
}

.sfp-price-field .sfp-input {
    text-align: center;
}

.sfp-price-separator {
    flex-shrink: 0;
    color: var(--sfp-text-light);
    font-weight: 500;
}

/* Hide number input spinners */
.sfp-price-field input[type="number"]::-webkit-inner-spin-button,
.sfp-price-field input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.sfp-price-field input[type="number"] {
    -moz-appearance: textfield;
}

/* ==========================================================================
   Radio Buttons (Sort Options)
   ========================================================================== */

.sfp-sort-options {
    display: flex;
    flex-direction: column;
    gap: var(--sfp-spacing-xs);
}

.sfp-radio {
    display: flex;
    align-items: center;
    gap: var(--sfp-spacing-sm);
    padding: var(--sfp-spacing-xs) 0;
    cursor: pointer;
    transition: background var(--sfp-transition);
    border-radius: var(--sfp-radius);
}

.sfp-radio:hover {
    background: var(--sfp-bg-hover);
}

.sfp-radio input[type="radio"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--sfp-primary);
}

/* ==========================================================================
   Action Buttons
   ========================================================================== */

.sfp-actions {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--sfp-spacing-sm);
    padding-top: var(--sfp-spacing-md);
    margin-top: auto;
    background: var(--sfp-bg);
    position: sticky;
    bottom: 0;
}

.sfp-btn {
    display: block;
    width: 100%;
    padding: 12px 24px;
    border: none;
    border-radius: var(--sfp-radius-lg);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--sfp-transition);
}

.sfp-btn-primary {
    background: var(--sfp-primary);
    color: #fff;
    border: 2px solid var(--sfp-primary);
    border-radius: var(--sfp-radius-lg) !important;
}

.sfp-btn-primary:hover,
.sfp-btn-primary:focus {
    background: var(--sfp-primary-hover);
    border-color: var(--sfp-primary-hover);
    color: #fff;
}

.sfp-btn-secondary {
    background: transparent;
    color: var(--sfp-text);
    border: 2px solid var(--sfp-border);
}

.sfp-btn-secondary:hover,
.sfp-btn-secondary:focus {
    background: var(--sfp-bg-hover);
    border-color: var(--sfp-text-light);
    color: var(--sfp-text);
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.sfp-form.is-loading {
    opacity: 0.6;
    pointer-events: none;
}

.sfp-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.7);
    pointer-events: none;
}

.sfp-loader[hidden] {
    display: none;
}

.sfp-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--sfp-primary);
    border-radius: 50%;
    animation: sfp-spin 0.8s linear infinite;
}

@keyframes sfp-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Live search loading indicator */
.sfp-form.sfp-live-loading .sfp-search-group::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 12px;
    width: 16px;
    height: 16px;
    border: 2px solid #f3f3f3;
    border-top-color: var(--sfp-primary);
    border-radius: 50%;
    animation: sfp-spin 0.8s linear infinite;
    transform: translateY(-50%);
}

.sfp-search-group {
    position: relative;
}

/* Count loading state */
.sfp-count-loading {
    opacity: 0.5;
    position: relative;
}

.sfp-count-loading::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border: 2px solid #ccc;
    border-top-color: #333;
    border-radius: 50%;
    animation: sfp-spin 0.6s linear infinite;
    margin-left: 4px;
    display: inline-block;
    vertical-align: middle;
}

/* Empty term styling (0 count) */
.sfp-term-empty > label {
    opacity: 0.5;
}

.sfp-term-empty .sfp-count {
    color: #999;
}

/* Optional: hide empty terms entirely */

.sfp-term-empty {
    display: none;
}


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

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible for keyboard navigation */
.sfp-checkbox input:focus-visible,
.sfp-radio input:focus-visible,
.sfp-input:focus-visible,
.sfp-btn:focus-visible {
    outline: 2px solid var(--sfp-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   Woodmart Off-Canvas Compatibility
   ========================================================================== */

.wd-col-offcanvas-md-sm {
    position: fixed;
    top: 0;
    left: -350px;
    width: 350px;
    height: 100vh;
    background: var(--sfp-bg);
    z-index: 9998;
    transition: left 0.3s ease-out;
    box-shadow: var(--sfp-shadow);
    overflow-y: hidden !important;
    padding: 20px;
    box-sizing: border-box;
}

.wd-col-offcanvas-md-sm.filter-visible {
    left: 0;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Desktop only class */
.sfp-desktop-only {
    display: block;
}

@media (max-width: 1023px) {
    .sfp-desktop-only {
        display: none;
    }

    .wd-col-offcanvas-md-sm {
        overflow-y: auto !important;
        display: flex;
        flex-direction: column;
    }
    
    .wd-col-offcanvas-md-sm .sfp-form {
        flex: 1;
        max-height: none; /* Let the off-canvas control height */
        overflow: visible;
    }
    
    .wd-col-offcanvas-md-sm .sfp-filters-scroll {
        max-height: calc(100vh - 200px); /* Adjust 200px based on header + actions height */
        overflow-y: auto;
    }
    
    .wd-col-offcanvas-md-sm .sfp-actions {
        position: sticky;
        bottom: 0;
        background: var(--sfp-bg);
        padding-bottom: var(--sfp-spacing-md);
        /* Add shadow to show it's floating */
        /* box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1); */
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .sfp-form {
        max-height: 90vh;
    }
    
    .sfp-terms-list {
        max-height: 200px;
    }
    
    .sfp-price-inputs {
        flex-wrap: wrap;
    }
    
    .sfp-price-field {
        flex: 1 1 40%;
    }
    
    .sfp-price-separator {
        flex: 0 0 100%;
        text-align: center;
        margin: var(--sfp-spacing-xs) 0;
        display: none;
    }
}

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

@media print {
    .sfp-form {
        display: none;
    }
}