/**
 * Focus Search - Styles
 *
 * Modern, responsive styles for the Focus Search block.
 * - Desktop: Search icon button in block position, opens popup on click
 * - Tablet/Mobile: Block hidden, fixed button at bottom-right corner
 * - Unified popup modal for search UI on all devices
 *
 * @package FocusSearch
 * @since 1.0.0
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
    --focus-search-primary: #cf2e2e;
    --focus-search-primary-hover: #b52727;
    --focus-search-text: #1f2937;
    --focus-search-text-light: #6b7280;
    --focus-search-border: #e5e7eb;
    --focus-search-bg: #ffffff;
    --focus-search-bg-hover: #f9fafb;
    --focus-search-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --focus-search-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --focus-search-radius: 12px;
    --focus-search-radius-sm: 8px;
    --focus-search-transition: 0.2s ease;
}

/* ==========================================================================
   Desktop Search Icon Button (Block)
   ========================================================================== */

.focus-search {
    display: inline-block;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.focus-search__trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    /* Default size - can be overridden by inline styles */
    width: 36px;
    height: 36px;
    padding: 0;
    /* Default background - can be overridden by inline styles */
    background: var(--focus-search-bg);
    border: 2px solid var(--focus-search-border);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--focus-search-transition), border-color var(--focus-search-transition), transform var(--focus-search-transition);
}

.focus-search__trigger:hover {
    border-color: var(--focus-search-primary);
    filter: brightness(0.95);
}

.focus-search__trigger:active {
    transform: scale(0.95);
}

.focus-search__trigger svg {
    /* Default size - can be overridden by inline styles */
    width: 18px;
    height: 18px;
    /* Default color - can be overridden by inline styles */
    color: var(--focus-search-text);
    transition: color var(--focus-search-transition), filter var(--focus-search-transition);
}

.focus-search__trigger:hover svg {
    filter: brightness(0.8);
}

/* ==========================================================================
   Mobile/Tablet Search Trigger (Fixed Button)
   ========================================================================== */

.focus-search-mobile-trigger {
    display: none;
    position: fixed;
    bottom: 105px;
    right: 24px;
    z-index: 9999;
    width: 56px;
    height: 56px;
    padding: 0;
    background: var(--focus-search-primary);
    border: none;
    border-radius: 50%;
    box-shadow: var(--focus-search-shadow-lg);
    cursor: pointer;
    transition: background-color var(--focus-search-transition), transform var(--focus-search-transition);
}

.focus-search-mobile-trigger:hover {
    background: var(--focus-search-primary-hover);
    transform: scale(1.05);
}

.focus-search-mobile-trigger:active {
    transform: scale(0.95);
}

.focus-search-mobile-trigger svg {
    width: 24px;
    height: 24px;
    color: #ffffff;
}

/* ==========================================================================
   Search Popup Modal
   ========================================================================== */

.focus-search-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.focus-search-modal.is-open {
    display: flex;
}

.focus-search-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.focus-search-modal__content {
    position: relative;
    width: 100%;
    max-width: 1200px;
    max-height: 85vh;
    background: var(--focus-search-bg);
    border-radius: var(--focus-search-radius);
    box-shadow: var(--focus-search-shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: focus-search-modal-in 0.2s ease-out;
}

@keyframes focus-search-modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.focus-search-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--focus-search-border);
    background: var(--focus-search-bg);
}

/* Logo in modal header */
.focus-search-modal__logo {
    display: flex;
    align-items: center;
}

.focus-search-modal__logo-img {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.focus-search-modal__site-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--focus-search-text);
}

/* Legacy title class (kept for backwards compatibility) */
.focus-search-modal__title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--focus-search-text);
}

.focus-search-modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--focus-search-transition);
}

.focus-search-modal__close:hover {
    background: var(--focus-search-bg-hover);
}

.focus-search-modal__close svg {
    width: 24px;
    height: 24px;
    color: var(--focus-search-text);
}

.focus-search-modal__form {
    padding: 16px 20px;
    border-bottom: 1px solid var(--focus-search-border);
    background: var(--focus-search-bg-hover);
}

.focus-search-modal__input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.focus-search-modal__icon {
    position: absolute;
    left: 14px;
    width: 20px;
    height: 20px;
    color: var(--focus-search-text-light);
    pointer-events: none;
}

.focus-search-modal__input {
    width: 100%;
    height: 52px;
    padding: 0 48px;
    font-size: 16px;
    color: var(--focus-search-text);
    background: var(--focus-search-bg);
    border: 2px solid var(--focus-search-border);
    border-radius: var(--focus-search-radius-sm);
    outline: none !important;
    transition: border-color var(--focus-search-transition), box-shadow var(--focus-search-transition);
}

.focus-search-modal__input:focus {
    border-color: var(--focus-search-border);
    box-shadow: none;
    outline: none !important;
}

.focus-search-modal__input::placeholder {
    color: var(--focus-search-text-light);
}

.focus-search-modal__clear {
    position: absolute;
    right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: var(--focus-search-bg-hover);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--focus-search-transition);
}

.focus-search-modal__clear:hover {
    background: var(--focus-search-border);
}

.focus-search-modal__clear svg {
    width: 16px;
    height: 16px;
    color: var(--focus-search-text-light);
}

/* ==========================================================================
   Search Results
   ========================================================================== */

.focus-search-modal__results {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.focus-search-modal__results-list {
    padding: 16px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.focus-search__result-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0;
    text-decoration: none;
    color: inherit;
    border-radius: var(--focus-search-radius-sm);
    overflow: hidden;
    background: var(--focus-search-bg);
    border: 1px solid var(--focus-search-border);
    transition: transform var(--focus-search-transition), box-shadow var(--focus-search-transition);
}

.focus-search__result-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--focus-search-shadow);
}

.focus-search__result-thumb {
    flex-shrink: 0;
    width: 100%;
    height: 160px;
    border-radius: 0;
    overflow: hidden;
    background: var(--focus-search-bg-hover);
}

.focus-search__result-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.focus-search__result-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--focus-search-border);
}

.focus-search__result-placeholder svg {
    width: 32px;
    height: 32px;
}

.focus-search__result-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 6px;
    padding: 0 12px 12px;
}

.focus-search__result-title {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--focus-search-text);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.focus-search__result-date {
    font-size: 12px;
    color: var(--focus-search-text-light);
}

.focus-search__result-read-more {
    display: inline-block;
    margin-top: auto;
    padding: 6px 0;
    font-size: 12px;
    font-weight: 600;
    color: #c8102e;
    background: transparent;
    border: none;
    border-radius: 0;
    text-decoration: none;
    text-align: left;
    transition: color var(--focus-search-transition);
}

.focus-search__result-item:hover .focus-search__result-read-more {
    color: #a00d24;
}

/* No Results & Error */
.focus-search__no-results,
.focus-search__error {
    padding: 40px 20px;
    text-align: center;
    color: var(--focus-search-text-light);
    font-size: 15px;
}

.focus-search__error {
    color: #dc2626;
}

/* Pagination */
.focus-search-modal__pagination {
    padding: 16px 20px;
    border-top: 1px solid var(--focus-search-border);
    text-align: center;
    background: var(--focus-search-bg);
}

.focus-search-modal__load-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
    height: 44px;
    padding: 0 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--focus-search-primary);
    background: transparent;
    border: 2px solid var(--focus-search-primary);
    border-radius: var(--focus-search-radius-sm);
    cursor: pointer;
    transition: background-color var(--focus-search-transition), color var(--focus-search-transition);
}

.focus-search-modal__load-more:hover {
    background: var(--focus-search-primary);
    color: #ffffff;
}

/* Loading */
.focus-search-modal__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    color: var(--focus-search-text-light);
    font-size: 14px;
}

.focus-search__spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--focus-search-border);
    border-top-color: var(--focus-search-primary);
    border-radius: 50%;
    animation: focus-search-spin 0.8s linear infinite;
}

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

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

/* Very large screens (1600px and above) - Keep max 4 columns */
@media (min-width: 1600px) {
    .focus-search-modal__content {
        max-width: 1400px;
    }

    .focus-search-modal__results-list {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        padding: 20px;
    }

    .focus-search__result-thumb {
        height: 180px;
    }

    .focus-search__result-title {
        font-size: 15px;
    }
}

/* Extra large screens (1920px and above) - Keep max 4 columns */
@media (min-width: 1920px) {
    .focus-search-modal__content {
        max-width: 1600px;
    }

    .focus-search-modal__results-list {
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }

    .focus-search__result-thumb {
        height: 200px;
    }
}

/* Large desktop (1200px to 1599px) - default 4 columns already set */

/* Medium desktop / small laptop (992px to 1199px) */
@media (max-width: 1199px) {
    .focus-search-modal__content {
        max-width: 960px;
    }

    .focus-search-modal__results-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}

/* Tablet (768px to 991px) */
@media (max-width: 991px) {
    .focus-search-modal__content {
        max-width: 720px;
    }

    .focus-search-modal__results-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 16px;
    }

    .focus-search__result-thumb {
        height: 300px;
    }
}

/* Show fixed search button until 1440px */
@media (max-width: 1439px) {
    /* Hide desktop search block */
    .focus-search {
        display: none !important;
    }

    /* Show mobile/tablet trigger */
    .focus-search-mobile-trigger {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Mobile and below (767px and below) */
@media (max-width: 767px) {

    /* Full-screen modal on tablet/mobile */
    .focus-search-modal {
        padding: 0;
        align-items: flex-start;
    }

    .focus-search-modal__content {
        max-width: none;
        max-height: none;
        height: 100%;
        border-radius: 0;
        animation: focus-search-modal-slide-up 0.25s ease-out;
    }

    /* Keep 2 column grid on tablet */
    .focus-search-modal__results-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 12px;
    }

    .focus-search__result-thumb {
        height: 90px;
    }

    /* Logo adjustments for tablet/mobile */
    .focus-search-modal__logo-img {
        max-height: 32px;
    }

    @keyframes focus-search-modal-slide-up {
        from {
            opacity: 0;
            transform: translateY(100%);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .focus-search-mobile-trigger {
        bottom: 105px;
        right: 20px;
        width: 52px;
        height: 52px;
    }

    .focus-search-mobile-trigger svg {
        width: 22px;
        height: 22px;
    }

    .focus-search-modal__header {
        padding: 14px 16px;
    }

    .focus-search-modal__logo-img {
        max-height: 28px;
    }

    .focus-search-modal__site-name {
        font-size: 16px;
    }

    .focus-search-modal__form {
        padding: 14px 16px;
    }

    .focus-search-modal__input {
        height: 48px;
        font-size: 15px;
    }

    /* Single column list layout for mobile */
    .focus-search-modal__results-list {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 0;
    }

    .focus-search__result-item {
        flex-direction: row;
        gap: 12px;
        padding: 12px 16px;
        border-radius: 0;
        border: none;
        border-bottom: 1px solid var(--focus-search-border);
    }

    .focus-search__result-item:hover {
        transform: none;
        box-shadow: none;
        background: var(--focus-search-bg-hover);
    }

    .focus-search__result-thumb {
        width: 70px;
        height: 52px;
        border-radius: var(--focus-search-radius-sm);
    }

    .focus-search__result-content {
        padding: 0;
        justify-content: center;
    }

    .focus-search__result-title {
        font-size: 14px;
    }

    .focus-search__result-date {
        font-size: 12px;
    }

    .focus-search-modal__pagination {
        padding: 14px 16px;
    }

    .focus-search-modal__load-more {
        width: 100%;
        max-width: 300px;
    }
}

/* ==========================================================================
   Editor Styles (Gutenberg Block Editor)
   ========================================================================== */

/* Editor wrapper for the block */
.focus-search-editor-wrapper {
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--focus-search-radius);
    border: 1px solid #e0e0e0;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Ensure desktop search is always visible in editor */
.focus-search-editor-wrapper .focus-search {
    display: inline-block !important;
}

/* Hide mobile elements in editor */
.focus-search-editor-wrapper .focus-search-mobile-trigger,
.focus-search-editor-wrapper .focus-search-modal {
    display: none !important;
}

/* Editor placeholder styles */
.focus-search-editor-wrapper .components-placeholder {
    min-height: 100px;
    background: transparent;
    box-shadow: none;
}

.focus-search-editor-wrapper .components-placeholder__label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.focus-search-editor-wrapper .components-placeholder__instructions {
    color: #757575;
    font-size: 13px;
}

/* Loading spinner in editor */
.focus-search-editor-wrapper .components-spinner {
    margin: 0;
}

/* Block editor specific overrides */
.editor-styles-wrapper .focus-search-editor-wrapper {
    margin: 0;
}

/* Ensure proper display in Site Editor (FSE) */
.edit-site-visual-editor .focus-search-editor-wrapper .focus-search {
    display: inline-block !important;
}

/* Block alignment support in editor */
.focus-search-editor-wrapper[data-align="wide"] {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.focus-search-editor-wrapper[data-align="full"] {
    max-width: none;
}

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

/* Focus visible styles */
.focus-search__trigger:focus-visible,
.focus-search-mobile-trigger:focus-visible,
.focus-search-modal__input:focus-visible,
.focus-search-modal__close:focus-visible,
.focus-search-modal__clear:focus-visible,
.focus-search-modal__load-more:focus-visible {
    outline: 2px solid var(--focus-search-primary);
    outline-offset: 2px;
}

.focus-search__result-item:focus-visible {
    outline: 2px solid var(--focus-search-primary);
    outline-offset: -2px;
    background: var(--focus-search-bg-hover);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .focus-search__spinner {
        animation: none;
    }

    .focus-search__trigger,
    .focus-search-mobile-trigger,
    .focus-search-modal__content,
    .focus-search-modal__input,
    .focus-search-modal__close,
    .focus-search-modal__load-more,
    .focus-search__result-item {
        transition: none;
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --focus-search-border: #000000;
        --focus-search-text-light: #000000;
    }

    .focus-search__trigger,
    .focus-search-modal__input {
        border-width: 3px;
    }
}

/* Body scroll lock when modal is open */
body.focus-search-modal-open {
    overflow: hidden;
}