/**
 * WCRS Search Filter Widget Styles
 *
 * Pill-shaped search input for filtering Loop Grid.
 * WCAG 2.1 AA compliant.
 */

/* ==========================================================================
   Search Filter Container
   ========================================================================== */

.wcrs-search-filter {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px 12px 24px;
    background-color: #FFFFFF;
    border: 1px solid;
    border-radius: 46px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    min-height: 44px; /* WCAG 2.5.5 touch target */
}

/* Focus state - only when input is focused (not clear button) */
.wcrs-search-filter:has(.wcrs-search-filter-input:focus) {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

/* Fallback for browsers without :has() support */
@supports not selector(:has(*)) {
    .wcrs-search-filter:focus-within:not(:has(.wcrs-search-filter-icon--clear:focus)) {
        outline: 2px solid currentColor;
        outline-offset: 2px;
    }
}

/* Loading state */
.wcrs-search-filter.is-loading {
    opacity: 0.7;
    pointer-events: none;
}

.wcrs-search-filter.is-loading .wcrs-search-filter-icon--search {
    animation: wcrs-search-pulse 1s ease-in-out infinite;
}

@keyframes wcrs-search-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

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

.wcrs-search-filter-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    outline: none;
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
    padding: 0;
    margin: 0;
}

/* Remove focus outline from input - container has focus state */
.wcrs-search-filter-input:focus,
.wcrs-search-filter-input:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

.wcrs-search-filter-input::placeholder {
    color: #9D9D9D;
    opacity: 1;
}

/* Remove default browser styles */
.wcrs-search-filter-input::-webkit-search-decoration,
.wcrs-search-filter-input::-webkit-search-cancel-button,
.wcrs-search-filter-input::-webkit-search-results-button,
.wcrs-search-filter-input::-webkit-search-results-decoration {
    display: none;
}

/* ==========================================================================
   Icon (Search)
   ========================================================================== */

.wcrs-search-filter-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.15s ease;
}

.wcrs-search-filter-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* ==========================================================================
   Clear Button
   ========================================================================== */

.wcrs-search-filter-icon--clear {
    /* Reset button styles */
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    color: inherit;
    
    /* Visual sizing */
    width: 24px;
    height: 24px;
    
    /* Expanded touch target using ::before pseudo-element */
    position: relative;
}

/* WCAG 44px touch target - invisible but clickable */
.wcrs-search-filter-icon--clear::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
}

.wcrs-search-filter-icon--clear:hover {
    opacity: 0.7;
}

.wcrs-search-filter-icon--clear:focus {
    outline: 2px solid currentColor;
    outline-offset: 0;
    border-radius: 50%;
}

.wcrs-search-filter-icon--clear:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 0;
    border-radius: 50%;
}

/* Hide clear button by default (controlled by JS) */
.wcrs-search-filter-icon--clear[style*="display: none"] {
    display: none !important;
}

/* ==========================================================================
   Screen Reader Only (Status)
   ========================================================================== */

.wcrs-search-filter-status {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

@media (max-width: 480px) {
    .wcrs-search-filter {
        padding: 10px 16px 10px 20px;
        gap: 12px;
    }

    .wcrs-search-filter-input {
        font-size: 14px;
    }

    .wcrs-search-filter-icon {
        width: 20px;
        height: 20px;
    }
}