/* Q&A FlipCards Public Styles */

.qa-flipcards-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Header */
.qa-flipcards-header {
    text-align: center;
    margin-bottom: 40px;
}

.qa-flipcards-title {
    font-size: 36px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 15px;
}

.qa-flipcards-subtitle {
    font-size: 16px;
    color: #6B7280;
    margin: 0 0 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Category Filters */
.qa-category-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.qa-filter-btn {
    padding: 10px 20px;
    border: 1px solid #E5E7EB;
    background: #fff;
    color: #6B7280;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.qa-filter-btn:hover {
    border-color: #2563EB;
    color: #2563EB;
}

.qa-filter-btn.active {
    background: #2563EB;
    color: #fff;
    border-color: #2563EB;
}

/* FlipCards Grid */
.qa-flipcards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

/* FlipCard */
.qa-flipcard {
    perspective: 1000px;
    height: 300px;
}

.qa-flipcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.qa-flipcard.flipped .qa-flipcard-inner {
    transform: rotateY(180deg);
}

.qa-flipcard-front,
.qa-flipcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.qa-flipcard-front {
    background: #fff;
    border: 1px solid #E5E7EB;
}

.qa-flipcard-back {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    transform: rotateY(180deg);
}

/* Card Icon */
.qa-card-icon {
    width: 60px;
    height: 60px;
    background: #EFF6FF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

/* Card Question */
.qa-card-question {
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    text-align: center;
    margin: 0 0 15px;
    line-height: 1.4;
}

/* Hover Hint */
.qa-card-hover-hint {
    font-size: 13px;
    color: #2563EB;
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Card Answer */
.qa-card-answer {
    font-size: 15px;
    line-height: 1.6;
    text-align: center;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Card Categories */
.qa-card-categories {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.qa-card-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.2);
}

/* Loading */
.qa-loading {
    text-align: center;
    padding: 40px;
}

.qa-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    border: 4px solid #E5E7EB;
    border-top-color: #2563EB;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* No Results */
.qa-no-results {
    text-align: center;
    color: #6B7280;
    padding: 60px 20px;
    font-size: 16px;
}

/* Hover Effects */
.qa-flipcard:hover .qa-flipcard-front {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Responsive */
@media (max-width: 768px) {
    .qa-flipcards-title {
        font-size: 28px;
    }
    
    .qa-flipcards-subtitle {
        font-size: 14px;
    }
    
    .qa-flipcards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .qa-flipcard {
        height: 280px;
    }
    
    .qa-category-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .qa-filter-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .qa-flipcard-front,
    .qa-flipcard-back {
        padding: 20px;
    }
    
    .qa-card-question {
        font-size: 16px;
    }
    
    .qa-card-answer {
        font-size: 14px;
    }
}

/* Accessibility */
.qa-flipcard:focus-within {
    outline: 2px solid #2563EB;
    outline-offset: 2px;
}

/* Animation Variants */
.qa-flipcard-inner {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Custom Colors (can be overridden by settings) */
:root {
    --qa-primary-color: #2563EB;
    --qa-primary-hover: #1D4ED8;
}

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

.qa-filter-btn:hover {
    border-color: var(--qa-primary-color);
    color: var(--qa-primary-color);
}

.qa-card-hover-hint {
    color: var(--qa-primary-color);
}

.qa-spinner {
    border-top-color: var(--qa-primary-color);
}