/**
 * Recipe Cards Developer - Frontend Styles
 * LTR Only
 */

/* CSS Variables */
:root {
    --rcd-primary: #1a1a1a;
    --rcd-secondary: #6b7280;
    --rcd-accent: #10B981;
    --rcd-background: #f9fafb;
    --rcd-white: #ffffff;
    --rcd-border: #e5e7eb;
    --rcd-star-filled: #fbbf24;
    --rcd-star-empty: #d1d5db;
    --rcd-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --rcd-shadow-hover: 0 10px 40px rgba(0, 0, 0, 0.12);
    --rcd-radius: 12px;
    --rcd-radius-sm: 6px;
    --rcd-transition: 0.3s ease;
    --rcd-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Wrapper */
.rcd-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: var(--rcd-font-family);
}

/* Filter Buttons */
.rcd-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
    padding: 0;
}

.rcd-filter-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--rcd-font-family);
    color: var(--rcd-primary);
    background: var(--rcd-white);
    border: 1px solid var(--rcd-border);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--rcd-transition);
    white-space: nowrap;
}

.rcd-filter-btn:hover {
    background: var(--rcd-background);
    border-color: var(--rcd-secondary);
}

.rcd-filter-btn.active {
    background: var(--rcd-primary);
    color: var(--rcd-white);
    border-color: var(--rcd-primary);
}

/* Cards Container */
.rcd-cards-container {
    min-height: 200px;
    position: relative;
}

.rcd-cards-container.loading {
    opacity: 0.6;
    pointer-events: none;
}

.rcd-cards-container.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--rcd-border);
    border-top-color: var(--rcd-primary);
    border-radius: 50%;
    animation: rcd-spin 0.8s linear infinite;
}

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

/* Cards Grid */
.rcd-cards-grid {
    display: grid;
    gap: 24px;
}

/* Dynamic Columns */
.rcd-wrapper[data-columns="1"] .rcd-cards-grid {
    grid-template-columns: 1fr;
}

.rcd-wrapper[data-columns="2"] .rcd-cards-grid {
    grid-template-columns: repeat(2, 1fr);
}

.rcd-wrapper[data-columns="3"] .rcd-cards-grid {
    grid-template-columns: repeat(3, 1fr);
}

.rcd-wrapper[data-columns="4"] .rcd-cards-grid {
    grid-template-columns: repeat(4, 1fr);
}

/* Card */
.rcd-card {
    background: var(--rcd-white);
    border-radius: var(--rcd-radius);
    overflow: hidden;
    box-shadow: var(--rcd-shadow);
    transition: transform var(--rcd-transition), box-shadow var(--rcd-transition);
}

.rcd-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--rcd-shadow-hover);
}

/* Card Image Link */
.rcd-card-image-link {
    display: block;
    text-decoration: none;
}

/* Card Image */
.rcd-card-image {
    position: relative;
    width: 100%;
    padding-top: 66.67%;
    overflow: hidden;
    background: var(--rcd-background);
}

.rcd-card-image img,
.rcd-card-image .rcd-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.rcd-placeholder-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e5e7eb 0%, #f3f4f6 100%);
}

/* Time Badge */
.rcd-time-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--rcd-primary);
    background: var(--rcd-white);
    border-radius: var(--rcd-radius-sm);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Card Content */
.rcd-card-content {
    padding: 20px;
}

/* Meta Tags (Brand + Tag) */
.rcd-meta-tags {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.rcd-brand {
    color: var(--rcd-accent);
}

.rcd-separator {
    color: var(--rcd-secondary);
    font-size: 10px;
}

.rcd-tag {
    color: var(--rcd-accent);
}

/* Card Title */
.rcd-card-title {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--rcd-primary);
}

.rcd-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--rcd-transition);
}

.rcd-card-title a:hover {
    color: var(--rcd-accent);
}

/* Card Excerpt */
.rcd-card-excerpt {
    margin: 0 0 16px 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--rcd-secondary);
}

/* Card Footer */
.rcd-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

/* Star Rating */
.rcd-rating {
    display: flex;
    align-items: center;
}

.rcd-stars {
    display: flex;
    gap: 2px;
}

.rcd-star {
    font-size: 16px;
    line-height: 1;
}

.rcd-star-full {
    color: var(--rcd-star-filled);
}

.rcd-star-half {
    color: var(--rcd-star-filled);
    position: relative;
}

.rcd-star-half::after {
    content: "\2606";
    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    overflow: hidden;
    color: var(--rcd-star-filled);
}

.rcd-star-empty {
    color: var(--rcd-star-empty);
}

/* View Link */
.rcd-view-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--rcd-primary);
    text-decoration: none;
    transition: color var(--rcd-transition);
}

.rcd-view-link:hover {
    color: var(--rcd-accent);
}

.rcd-arrow {
    transition: transform var(--rcd-transition);
}

.rcd-view-link:hover .rcd-arrow {
    transform: translateX(4px);
}

/* No Results */
.rcd-no-results {
    padding: 60px 20px;
    text-align: center;
    color: var(--rcd-secondary);
    background: var(--rcd-background);
    border-radius: var(--rcd-radius);
}

.rcd-no-results p {
    margin: 0;
    font-size: 16px;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet - Below 1024px */
@media (max-width: 1024px) {
    .rcd-wrapper[data-columns="4"] .rcd-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablet Portrait - Below 768px */
@media (max-width: 768px) {
    .rcd-wrapper {
        padding: 16px;
    }

    .rcd-filters {
        gap: 8px;
        margin-bottom: 24px;
    }

    .rcd-filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .rcd-wrapper[data-columns="3"] .rcd-cards-grid,
    .rcd-wrapper[data-columns="4"] .rcd-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .rcd-cards-grid {
        gap: 16px;
    }

    .rcd-card-content {
        padding: 16px;
    }

    .rcd-card-title {
        font-size: 16px;
    }

    .rcd-card-excerpt {
        font-size: 13px;
        margin-bottom: 12px;
    }
}

/* Mobile - Below 480px */
@media (max-width: 480px) {
    .rcd-wrapper {
        padding: 12px;
    }

    .rcd-filters {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
        margin-bottom: 20px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .rcd-filters::-webkit-scrollbar {
        display: none;
    }

    .rcd-filter-btn {
        flex-shrink: 0;
        padding: 8px 14px;
        font-size: 12px;
    }

    .rcd-wrapper[data-columns="2"] .rcd-cards-grid,
    .rcd-wrapper[data-columns="3"] .rcd-cards-grid,
    .rcd-wrapper[data-columns="4"] .rcd-cards-grid {
        grid-template-columns: 1fr;
    }

    .rcd-card-image {
        padding-top: 60%;
    }

    .rcd-time-badge {
        padding: 5px 10px;
        font-size: 11px;
    }

    .rcd-card-content {
        padding: 14px;
    }

    .rcd-meta-tags {
        font-size: 10px;
        margin-bottom: 8px;
    }

    .rcd-card-title {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .rcd-card-excerpt {
        font-size: 12px;
        line-height: 1.5;
        margin-bottom: 10px;
    }

    .rcd-card-footer {
        flex-direction: row;
        justify-content: space-between;
    }

    .rcd-star {
        font-size: 14px;
    }

    .rcd-view-link {
        font-size: 13px;
    }
}

/* Animation for cards appearing */
@keyframes rcd-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rcd-card {
    animation: rcd-fadeInUp 0.4s ease forwards;
}

.rcd-card:nth-child(1) { animation-delay: 0.05s; }
.rcd-card:nth-child(2) { animation-delay: 0.1s; }
.rcd-card:nth-child(3) { animation-delay: 0.15s; }
.rcd-card:nth-child(4) { animation-delay: 0.2s; }
.rcd-card:nth-child(5) { animation-delay: 0.25s; }
.rcd-card:nth-child(6) { animation-delay: 0.3s; }
.rcd-card:nth-child(7) { animation-delay: 0.35s; }
.rcd-card:nth-child(8) { animation-delay: 0.4s; }
.rcd-card:nth-child(9) { animation-delay: 0.45s; }