/**
 * DGA Dynamic Post Cards - Stylesheet
 *
 * @package DGA_Dynamic_Postloop
 * @version 1.0.0
 */

/* Google Font - Kanit */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --dga-dpc-primary-blue: #1e40af;
    --dga-dpc-secondary-blue: #3b82f6;
    --dga-dpc-primary-orange: #f97316;
    --dga-dpc-secondary-orange: #fb923c;
    --dga-dpc-text-dark: #111827;
    --dga-dpc-text-light: #f9fafb;
    --dga-dpc-bg-light: #f8f9fa;
    --dga-dpc-bg-white: #ffffff;
    --dga-dpc-border-color: #e5e7eb;
    --dga-dpc-shadow-color: rgba(0, 0, 0, 0.1);
    --dga-dpc-focus-color: #2563eb;
    --dga-dpc-success-color: #10b981;
    --dga-dpc-error-color: #ef4444;
}

/* Reset & Base Styles */
.dga-dpc-container *,
.dga-dpc-container *::before,
.dga-dpc-container *::after {
    box-sizing: border-box;
}

/* Main Container */
.dga-dpc-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 10px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    color: var(--dga-dpc-text-dark);
    position: relative;
    font-size: 16px;
    line-height: 1.6;
}

/* Controls Section */
.dga-dpc-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--dga-dpc-bg-light);
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--dga-dpc-shadow-color);
    position: relative;
}

/* View Mode Controls */
.dga-dpc-view-modes {
    display: flex;
    border: 1px solid var(--dga-dpc-border-color);
    border-radius: 6px;
    overflow: hidden;
    background-color: var(--dga-dpc-bg-white);
}

.dga-dpc-view-btn {
    display: flex;
    align-items: center;
    padding: 8px 15px;
    border: none;
    background-color: transparent;
    color: #4b5563;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    font-family: inherit;
}

.dga-dpc-view-btn:first-child {
    border-right: 1px solid var(--dga-dpc-border-color);
}

.dga-dpc-view-btn:hover {
    background-color: #f3f4f6;
}

.dga-dpc-view-btn.active {
    background-color: var(--dga-dpc-primary-blue);
    color: var(--dga-dpc-text-light);
}

.dga-dpc-view-btn .dashicons {
    margin-right: 5px;
    font-size: 16px;
    width: 16px;
    height: 16px;
}

/* Search Control */
.dga-dpc-search {
    flex: 1 1 250px;
    position: relative;
    min-width: 200px;
}

.dga-dpc-search-input {
    width: 100%;
    padding: 8px 35px 8px 12px;
    border: 1px solid var(--dga-dpc-border-color);
    border-radius: 6px;
    font-size: 14px;
    background-color: var(--dga-dpc-bg-white);
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.dga-dpc-search-input:focus {
    outline: none;
    border-color: var(--dga-dpc-focus-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.dga-dpc-search-icon::before {
    content: '\f179';
    font-family: dashicons;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 16px;
    pointer-events: none;
}

/* Filter Controls */
.dga-dpc-filters {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1 1 auto;
}

.dga-dpc-year-filter,
.dga-dpc-sorting {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.dga-dpc-year-filter label,
.dga-dpc-sorting label {
    font-size: 14px;
    color: #4b5563;
    margin-right: 6px;
    font-weight: 500;
}

.dga-dpc-year-select,
.dga-dpc-sort-select {
    padding: 8px 30px 8px 10px;
    border: 1px solid var(--dga-dpc-border-color);
    border-radius: 6px;
    background-color: var(--dga-dpc-bg-white);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234b5563' d='M6 9L1.5 3h9z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    font-size: 14px;
    min-width: 120px;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.dga-dpc-year-select:focus,
.dga-dpc-sort-select:focus {
    outline: none;
    border-color: var(--dga-dpc-focus-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Add Button */
.dga-dpc-add-button {
    margin-left: auto;
}

.dga-dpc-add-new {
    display: inline-flex;
    align-items: center;
    background-color: var(--dga-dpc-success-color);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 14px;
}

.dga-dpc-add-new:hover {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    color: white;
}

.dga-dpc-add-new:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.dga-dpc-add-new .dashicons {
    margin-right: 5px;
    font-size: 16px;
}

/* Mobile Filter Toggle */
.dga-dpc-mobile-toggle {
    display: none;
    background-color: var(--dga-dpc-primary-blue);
    color: var(--dga-dpc-text-light);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 10px;
    right: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 10;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dga-dpc-mobile-toggle:hover {
    background-color: var(--dga-dpc-secondary-blue);
    transform: scale(1.05);
}

.dga-dpc-mobile-toggle .dashicons {
    font-size: 20px;
}

/* Content Container */
.dga-dpc-content {
    margin-bottom: 25px;
    min-height: 200px;
}

/* Card View */
.dga-dpc-content.card-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.dga-dpc-card {
    display: flex;
    flex-direction: column;
    background-color: var(--dga-dpc-bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px var(--dga-dpc-shadow-color);
    transition: all 0.3s ease;
}

.dga-dpc-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--dga-dpc-shadow-color);
}

.dga-dpc-card-image-link {
    display: block;
    position: relative;
    overflow: hidden;
    height: 200px;
}

.dga-dpc-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.dga-dpc-card:hover .dga-dpc-card-image {
    transform: scale(1.05);
}

.dga-dpc-card-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px 8px;
    font-family: 'Kanit', sans-serif;
    font-size: 0.875rem;
    font-weight: 300;
    color: #6b7280;
}

.dga-dpc-card-meta .post-date {
    display: flex;
    align-items: center;
}

.dga-dpc-card-meta .visitor-count::before {
    content: '•';
    margin: 0 5px;
}

.dga-dpc-card-title {
    padding: 0 15px;
    margin: 0;
    font-family: 'Kanit', sans-serif;
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.4;
    min-height: 2.8em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.dga-dpc-card-title a {
    color: var(--dga-dpc-text-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.dga-dpc-card-title a:hover {
    color: var(--dga-dpc-primary-blue);
}

.dga-dpc-card-excerpt {
    padding: 10px 15px;
    font-family: 'Kanit', sans-serif;
    font-size: 0.9375rem;
    font-weight: 300;
    line-height: 1.6;
    color: #4b5563;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.dga-dpc-card-footer {
    padding: 15px;
    text-align: right;
}

.dga-dpc-read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #f97316 0%, #ea580c 50%, #dc2626 100%);
    color: var(--dga-dpc-text-light);
    border-radius: 8px;
    font-family: 'Kanit', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.35),
                0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.dga-dpc-read-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.dga-dpc-read-more::after {
    content: '→';
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.dga-dpc-read-more:hover {
    background: linear-gradient(135deg, #fb923c 0%, #f97316 50%, #ea580c 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.45),
                0 4px 8px rgba(0, 0, 0, 0.15);
    color: var(--dga-dpc-text-light);
}

.dga-dpc-read-more:hover::before {
    left: 100%;
}

.dga-dpc-read-more:hover::after {
    transform: translateX(4px);
}

.dga-dpc-read-more:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.3),
                0 4px 15px rgba(249, 115, 22, 0.35);
}

.dga-dpc-read-more:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
}

/* List View */
.dga-dpc-content.list-view {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.dga-dpc-list-item {
    display: flex;
    background-color: var(--dga-dpc-bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px var(--dga-dpc-shadow-color);
    transition: all 0.3s ease;
}

.dga-dpc-list-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px var(--dga-dpc-shadow-color);
}

.dga-dpc-list-image-link {
    position: relative;
    flex-shrink: 0;
    width: 160px;
    height: 120px;
    margin: 15px;
    overflow: hidden;
    border-radius: 6px;
    background-color: #f0f0f0;
    aspect-ratio: 4 / 3;
}

.dga-dpc-list-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dga-dpc-list-content {
    flex-grow: 1;
    padding: 15px 15px 15px 0;
    display: flex;
    flex-direction: column;
}

.dga-dpc-list-title {
    margin: 0 0 8px 0;
    font-family: 'Kanit', sans-serif;
    font-size: 1.0625rem;
    font-weight: 500;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.dga-dpc-list-title a {
    color: var(--dga-dpc-text-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.dga-dpc-list-title a:hover {
    color: var(--dga-dpc-primary-blue);
}

.dga-dpc-list-meta {
    margin-bottom: 8px;
    font-family: 'Kanit', sans-serif;
    font-size: 0.875rem;
    font-weight: 300;
    color: #6b7280;
}

.dga-dpc-list-meta .visitor-count::before {
    content: '•';
    margin: 0 5px;
}

.dga-dpc-list-excerpt {
    font-family: 'Kanit', sans-serif;
    font-size: 0.9375rem;
    font-weight: 300;
    line-height: 1.6;
    color: #4b5563;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    margin-bottom: 10px;
}

.dga-dpc-list-footer {
    text-align: right;
}

/* Document Badges */
.dga-dpc-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Kanit', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dga-dpc-badge.orange-badge {
    background-color: var(--dga-dpc-primary-orange);
    color: var(--dga-dpc-text-light);
}

.dga-dpc-badge.gold-badge {
    background-color: #fbbf24;
    color: #78350f;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Loading State - Use display:contents to inherit parent grid/flex layout */
.dga-dpc-loading {
    display: contents;
}

/* Hide loading when content is loaded */
.dga-dpc-loading.hidden,
.dga-dpc-loading.hidden * {
    display: none !important;
}

/* Skeleton Card Base - applies to both loading container and load-more skeletons */
.dga-dpc-card.skeleton,
.dga-dpc-list-item.skeleton {
    position: relative;
    overflow: hidden;
    background-color: var(--dga-dpc-bg-white);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--dga-dpc-shadow-color);
}

/* Card Skeleton Structure */
.dga-dpc-card.skeleton {
    display: flex;
    flex-direction: column;
}

.dga-dpc-card.skeleton .dga-dpc-card-image,
.dga-dpc-card.skeleton .dga-dpc-card-image-link {
    height: 200px;
    display: block;
    position: relative;
    overflow: hidden;
}

.dga-dpc-card.skeleton .dga-dpc-card-image,
.dga-dpc-card.skeleton .skeleton-image {
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
    background-size: 200% 100%;
    animation: dga-dpc-shimmer-bg 1.5s infinite;
}

.dga-dpc-card.skeleton .dga-dpc-card-meta {
    padding: 12px 15px 8px;
}

.dga-dpc-card.skeleton .dga-dpc-card-title {
    padding: 0 15px;
    min-height: auto;
}

.dga-dpc-card.skeleton .dga-dpc-card-excerpt {
    padding: 10px 15px;
    flex-grow: 1;
}

.dga-dpc-card.skeleton .dga-dpc-card-footer {
    padding: 15px;
    display: flex;
    justify-content: flex-end;
}

/* List Skeleton Structure */
.dga-dpc-list-item.skeleton {
    display: flex;
    min-height: 150px;
}

.dga-dpc-list-item.skeleton .dga-dpc-list-image-link {
    position: relative;
    flex-shrink: 0;
    width: 160px;
    height: 120px;
    margin: 15px;
    overflow: hidden;
    border-radius: 6px;
}

.dga-dpc-list-item.skeleton .dga-dpc-list-image,
.dga-dpc-list-item.skeleton .skeleton-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
    background-size: 200% 100%;
    animation: dga-dpc-shimmer-bg 1.5s infinite;
}

.dga-dpc-list-item.skeleton .dga-dpc-list-content {
    flex-grow: 1;
    padding: 15px 15px 15px 0;
    display: flex;
    flex-direction: column;
}

.dga-dpc-list-item.skeleton .dga-dpc-list-footer {
    margin-top: auto;
    display: flex;
    justify-content: flex-end;
}

/* Skeleton Elements */
.skeleton-image {
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
    background-size: 200% 100%;
    animation: dga-dpc-shimmer-bg 1.5s infinite;
    width: 100%;
    height: 100%;
}

.skeleton-text {
    height: 1em;
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
    background-size: 200% 100%;
    animation: dga-dpc-shimmer-bg 1.5s infinite;
    margin-bottom: 8px;
    border-radius: 4px;
    width: 100%;
}

.skeleton-text:last-child {
    margin-bottom: 0;
}

.skeleton-short {
    width: 40%;
}

.skeleton-medium {
    width: 70%;
}

.skeleton-title {
    height: 1.2em;
    width: 90%;
    margin-bottom: 10px;
}

.skeleton-title-2 {
    height: 1.2em;
    width: 60%;
}

.skeleton-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 100px;
    height: 24px;
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
    background-size: 200% 100%;
    animation: dga-dpc-shimmer-bg 1.5s infinite;
    border-radius: 4px;
}

.skeleton-button {
    height: 36px;
    width: 80px;
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
    background-size: 200% 100%;
    animation: dga-dpc-shimmer-bg 1.5s infinite;
    border-radius: 6px;
}

/* Shimmer Animation */
@keyframes dga-dpc-shimmer-bg {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Legacy shimmer support */
.skeleton::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        transparent 0,
        rgba(255, 255, 255, 0.2) 20%,
        rgba(255, 255, 255, 0.5) 60%,
        transparent 100%
    );
    animation: dga-dpc-shimmer 2s infinite;
}

@keyframes dga-dpc-shimmer {
    100% {
        transform: translateX(100%);
    }
}

/* Footer & Load More */
.dga-dpc-footer {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.dga-dpc-load-more {
    padding: 12px 30px;
    background-color: var(--dga-dpc-primary-blue);
    color: var(--dga-dpc-text-light);
    border: none;
    border-radius: 8px;
    font-family: 'Kanit', sans-serif;
    font-weight: 400;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dga-dpc-load-more:hover {
    background-color: var(--dga-dpc-secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.dga-dpc-load-more:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.dga-dpc-load-more:disabled {
    background-color: #cbd5e1;
    cursor: not-allowed;
    transform: none;
}

/* No Results Message */
.dga-dpc-no-results {
    padding: 30px;
    text-align: center;
    font-family: 'Kanit', sans-serif;
    font-size: 1.125rem;
    font-weight: 300;
    color: #6b7280;
    background-color: #f9fafb;
    border-radius: 8px;
    margin: 20px 0;
}

/* Screen Reader Only */
.screen-reader-text {
    position: absolute !important;
    clip: rect(1px, 1px, 1px, 1px);
    padding: 0 !important;
    border: 0 !important;
    height: 1px !important;
    width: 1px !important;
    overflow: hidden;
}

/* Responsive Design */
@media (max-width: 992px) {
    .dga-dpc-controls {
        flex-wrap: wrap;
    }

    .dga-dpc-search {
        order: 1;
        flex: 1 1 100%;
    }

    .dga-dpc-view-modes {
        order: 2;
    }

    .dga-dpc-filters {
        order: 3;
        flex: 1 1 auto;
    }

    .dga-dpc-add-button {
        order: 4;
        margin-left: 0;
        width: 100%;
        text-align: right;
        margin-top: 10px;
    }
}

@media (max-width: 768px) {
    .dga-dpc-container {
        padding-top: 50px;
    }

    .dga-dpc-mobile-toggle {
        display: flex;
    }

    .dga-dpc-filters {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        margin-top: 10px;
        padding-top: 10px;
        border-top: 1px solid var(--dga-dpc-border-color);
    }

    .dga-dpc-filters.active {
        display: flex;
    }

    .dga-dpc-year-filter,
    .dga-dpc-sorting {
        width: 100%;
        justify-content: space-between;
    }

    .dga-dpc-year-select,
    .dga-dpc-sort-select {
        flex: 1;
        max-width: 200px;
    }

    .dga-dpc-list-item {
        flex-direction: column;
    }

    .dga-dpc-list-image-link {
        width: 100%;
        height: 200px;
        margin: 0;
        border-radius: 0;
    }

    .dga-dpc-list-content {
        padding: 15px;
    }
}

@media (max-width: 576px) {
    .dga-dpc-content.card-view {
        grid-template-columns: 1fr;
    }

    .dga-dpc-view-modes {
        width: 100%;
    }

    .dga-dpc-view-btn {
        flex: 1;
        justify-content: center;
    }

    .dga-dpc-card-title,
    .dga-dpc-list-title {
        font-size: 1rem;
    }

    .dga-dpc-card-excerpt,
    .dga-dpc-list-excerpt {
        font-size: 0.875rem;
    }
}

/* Print Styles */
@media print {
    .dga-dpc-controls,
    .dga-dpc-footer,
    .dga-dpc-mobile-toggle {
        display: none !important;
    }

    .dga-dpc-content {
        display: block !important;
    }

    .dga-dpc-card,
    .dga-dpc-list-item {
        page-break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #000;
        margin-bottom: 20px;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .dga-dpc-container {
        --dga-dpc-border-color: #000;
        --dga-dpc-shadow-color: transparent;
    }

    .dga-dpc-card,
    .dga-dpc-list-item {
        border: 2px solid #000;
    }

    .dga-dpc-read-more,
    .dga-dpc-view-btn.active,
    .dga-dpc-add-new {
        border: 2px solid currentColor;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .dga-dpc-container *,
    .dga-dpc-container *::before,
    .dga-dpc-container *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}