/* Çevir Kartları Stilleri - GÜNCELLENMİŞ */
.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.controls select {
    padding: 10px 15px;
    border-radius: 6px;
    border: 1px solid #ddd;
    font-size: 1rem;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.pagination-controls .btn {
    min-width: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.flashcards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.flashcard {
    perspective: 1000px;
    height: 280px;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

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

.flashcard-front,
.flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.2rem;
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
}

.flashcard-front {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.flashcard-back {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
    transform: rotateY(180deg);
}

.flashcard-image {
    width: 100%;
    height: 150px;
    object-fit: contain;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 1rem;
    padding: 0.5rem;
}

.flashcard-text {
    font-size: 1.3rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 0.5rem;
}

.flashcard-sentence {
    font-size: 0.9rem;
    font-style: italic;
    text-align: center;
    margin-bottom: 0.8rem;
    opacity: 0.9;
}

.flashcard-hover-text {
    font-size: 0.8rem;
    opacity: 0.8;
    text-align: center;
    margin-top: 0.5rem;
    font-style: italic;
}

.flashcard-category {
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
}

.stats {
    text-align: center;
    margin-top: 2rem;
    padding: 1.2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.stats h3 {
    margin-bottom: 0.8rem;
    color: #2c3e50;
}

.no-cards {
    text-align: center;
    padding: 3rem;
    color: #6c757d;
    font-style: italic;
    grid-column: 1 / -1;
    font-size: 1.1rem;
}

/* Mobil uyumluluk */
@media (max-width: 1024px) {
    .flashcards-container {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .flashcards-container {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1.2rem;
    }
    
    .flashcard {
        height: 240px;
    }
    
    .flashcard-image {
        height: 120px;
    }
    
    .flashcard-text {
        font-size: 1.1rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: center;
    }
    
    .controls select {
        width: 100%;
        max-width: 250px;
    }
    
    .pagination-controls {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .flashcards-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .flashcard {
        height: 220px;
    }
    
    .flashcard-image {
        height: 100px;
    }
    
    .flashcard-front,
    .flashcard-back {
        padding: 1rem;
    }
    
    .flashcard-text {
        font-size: 1rem;
    }
    
    .flashcard-sentence {
        font-size: 0.8rem;
    }
    
    .flashcard-hover-text {
        font-size: 0.7rem;
    }
}

/* Hover efekti */
.flashcard:hover {
    transform: translateY(-5px);
}

.flashcard:hover .flashcard-front,
.flashcard:hover .flashcard-back {
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}