/**
 * CPT Advanced Search - Frontend Styles
 * Mobile-First, Semantic, Performance-Optimized
 */

/* ==========================================================================
   Screen Reader Only (Accessibility)
   ========================================================================== */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: #21759b;
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* ==========================================================================
   Search Wrapper
   ========================================================================== */
.cas-search-wrapper {
    width: 100%;
    max-width: 100%;
    margin: 0 auto 2rem;
    position: relative;
}

.cas-search-container {
    display: block;
    width: 100%;
}

/* ==========================================================================
   Search Form
   ========================================================================== */
.cas-search-form {
    width: 100%;
    margin: 0;
    padding: 0;
}

.cas-search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
    background: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.cas-search-input-wrapper:focus-within {
    border-color: #2271b1;
    box-shadow: 0 4px 16px rgba(34, 113, 177, 0.15);
    transform: translateY(-1px);
}

/* ==========================================================================
   Search Input
   ========================================================================== */
.cas-search-input {
    flex: 1;
    min-width: 0;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #1e1e1e;
    background: transparent;
    border: none;
    outline: none;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    -webkit-appearance: none;
    appearance: none;
}

.cas-search-input::placeholder {
    color: #757575;
    opacity: 1;
}

.cas-search-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
}

/* ==========================================================================
   Search Button
   ========================================================================== */
.cas-search-button {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, #2271b1 0%, #1a5a8a 100%);
    color: #ffffff;
    border: none;
    border-radius: 0 50px 50px 0;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0;
    outline: none;
}

.cas-search-button:hover,
.cas-search-button:focus {
    background: linear-gradient(135deg, #1a5a8a 0%, #135078 100%);
    transform: scale(1.05);
}

.cas-search-button:active {
    transform: scale(0.98);
}

.cas-search-button:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}

.cas-search-icon {
    display: block;
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

/* ==========================================================================
   Loading Spinner
   ========================================================================== */
.cas-loading-spinner {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.cas-spinner {
    animation: cas-spin 1s linear infinite;
    color: #2271b1;
}

@keyframes cas-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Search Results Container
   ========================================================================== */
.cas-search-results {
    margin-top: 1.5rem;
    width: 100%;
}

.cas-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e0e0e0;
}

.cas-results-count {
    font-size: 0.9375rem;
    color: #555;
    font-weight: 500;
}

.cas-results-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

/* ==========================================================================
   Result Card
   ========================================================================== */
.cas-result-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.cas-result-card:hover,
.cas-result-card:focus-within {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: #2271b1;
}

.cas-result-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
    outline: none;
}

.cas-result-link:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}

/* ==========================================================================
   Result Image
   ========================================================================== */
.cas-result-image {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    /* 16:9 aspect ratio */
    background: #f5f5f5;
    overflow: hidden;
}

.cas-result-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cas-result-card:hover .cas-result-image img {
    transform: scale(1.05);
}

.cas-result-no-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #bdbdbd;
    font-size: 3rem;
}

/* ==========================================================================
   Result Content
   ========================================================================== */
.cas-result-content {
    flex: 1;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cas-result-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    color: #1e1e1e;
    transition: color 0.2s ease;
}

.cas-result-card:hover .cas-result-title {
    color: #2271b1;
}

.cas-result-excerpt {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #555;
}

.cas-highlight {
    background: #fff59d;
    padding: 0 0.125rem;
    font-weight: 600;
    color: #1e1e1e;
}

/* ==========================================================================
   Result Meta
   ========================================================================== */
.cas-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid #f0f0f0;
}

.cas-result-rating {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: #f59e0b;
    font-weight: 500;
}

.cas-result-rating-stars {
    display: flex;
    gap: 0.125rem;
}

.cas-star {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.cas-result-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cas-result-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: #2271b1;
    background: #e3f2fd;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* ==========================================================================
   Load More Button
   ========================================================================== */
.cas-load-more-wrapper {
    margin-top: 2rem;
    text-align: center;
}

.cas-load-more-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: #2271b1;
    background: #ffffff;
    border: 2px solid #2271b1;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.cas-load-more-button:hover,
.cas-load-more-button:focus {
    color: #ffffff;
    background: #2271b1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(34, 113, 177, 0.3);
}

.cas-load-more-button:active {
    transform: translateY(0);
}

.cas-load-more-button:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}

.cas-load-more-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ==========================================================================
   No Results
   ========================================================================== */
.cas-no-results {
    padding: 3rem 1.5rem;
    text-align: center;
    background: #f9f9f9;
    border-radius: 12px;
    border: 1px dashed #e0e0e0;
}

.cas-no-results-icon {
    font-size: 3rem;
    color: #bdbdbd;
    margin-bottom: 1rem;
}

.cas-no-results-title {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e1e1e;
}

.cas-no-results-text {
    margin: 0;
    font-size: 0.9375rem;
    color: #757575;
}

/* ==========================================================================
   Error Message
   ========================================================================== */
.cas-error {
    padding: 1rem 1.5rem;
    background: #fee;
    border: 1px solid #fcc;
    border-radius: 8px;
    color: #c33;
    font-size: 0.9375rem;
}

/* ==========================================================================
   Tablet Breakpoint (min-width: 600px)
   ========================================================================== */
@media (min-width: 600px) {
    .cas-search-wrapper {
        max-width: 720px;
    }

    .cas-results-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .cas-search-input {
        font-size: 1.0625rem;
    }
}

/* ==========================================================================
   Desktop Breakpoint (min-width: 960px)
   ========================================================================== */
@media (min-width: 960px) {
    .cas-search-wrapper {
        max-width: 960px;
    }

    .cas-results-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cas-result-card {
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* ==========================================================================
   Large Desktop Breakpoint (min-width: 1280px)
   ========================================================================== */
@media (min-width: 1280px) {
    .cas-search-wrapper {
        max-width: 1200px;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {

    .cas-search-form,
    .cas-load-more-wrapper {
        display: none;
    }

    .cas-result-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   High Contrast Mode
   ========================================================================== */
@media (prefers-contrast: high) {
    .cas-search-input-wrapper {
        border-width: 3px;
    }

    .cas-result-card {
        border-width: 2px;
    }
}

/* ==========================================================================
   Dark Mode Support
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    .cas-search-input-wrapper {
        background: #2d2d2d;
        border-color: #444;
    }

    .cas-search-input {
        color: #e0e0e0;
    }

    .cas-search-input::placeholder {
        color: #999;
    }

    .cas-result-card {
        background: #2d2d2d;
        border-color: #444;
    }

    .cas-result-title {
        color: #e0e0e0;
    }

    .cas-result-excerpt {
        color: #bbb;
    }

    .cas-no-results {
        background: #2d2d2d;
        border-color: #444;
    }

    .cas-highlight {
        background: #7c5d00;
        color: #fff;
    }
}