/**
 * Memory Game Styles
 * Card matching memory game
 */

/* Game Info */
.game-info {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--secondary-bg);
    border-radius: var(--radius-md);
}

.moves-display span,
.timer-display span,
.matches-display span {
    color: var(--text-secondary);
}

#move-count,
#match-count,
#total-pairs {
    color: var(--accent-color);
    font-weight: bold;
}

#timer {
    color: var(--win-color);
    font-weight: bold;
    font-family: monospace;
}

/* Difficulty Selection */
.difficulty-select {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.difficulty-select h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.difficulty-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.difficulty-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    background: var(--tertiary-bg);
    border: 2px solid var(--tertiary-bg);
}

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

.difficulty-btn:hover {
    border-color: var(--accent-color);
}

/* Memory Container */
.memory-container {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    background: var(--secondary-bg);
    border-radius: var(--radius-lg);
    border: 3px solid var(--primary-color);
    padding: var(--spacing-md);
}

.memory-grid {
    display: grid;
    gap: 10px;
    padding: 10px;
}

.memory-grid.grid-2 {
    grid-template-columns: repeat(4, 1fr);
}

.memory-grid.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.memory-grid.grid-6 {
    grid-template-columns: repeat(6, 1fr);
}

/* Memory Cards */
.memory-card {
    aspect-ratio: 1;
    position: relative;
    cursor: pointer;
    perspective: 1000px;
}

.memory-card .card-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.5s ease;
}

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

.memory-card .card-front,
.memory-card .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.5rem, 5vw, 3rem);
}

.memory-card .card-front {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.memory-card .card-front::after {
    content: '?';
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: bold;
}

.memory-card .card-back {
    background: linear-gradient(135deg, #2d3561 0%, #1a1f3a 100%);
    transform: rotateY(180deg);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border: 2px solid var(--primary-color);
}

.memory-card.matched .card-back {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    border-color: #2ecc71;
}

.memory-card:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

.memory-card.disabled {
    pointer-events: none;
}

/* Controls */
.controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

/* Instructions */
.instructions {
    background: var(--secondary-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    border: 2px solid var(--primary-color);
}

.instructions h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.instructions ul {
    list-style-position: inside;
    color: var(--text-secondary);
}

.instructions li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--secondary-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 3px solid var(--primary-color);
    text-align: center;
    max-width: 400px;
    margin: var(--spacing-md);
}

.modal-content h2 {
    color: var(--win-color);
    margin-bottom: var(--spacing-md);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Responsive */
@media (max-width: 500px) {
    .memory-container {
        max-width: 95vw;
    }
    
    .memory-grid {
        gap: 8px;
        padding: 8px;
    }
    
    .memory-card .card-front::after {
        font-size: clamp(1.8rem, 6vw, 2.8rem);
    }
    
    .memory-card .card-front,
    .memory-card .card-back {
        font-size: clamp(1.8rem, 6vw, 3.2rem);
    }
}

/* Extra small screens */
@media (max-width: 380px) {
    .memory-grid {
        gap: 6px;
        padding: 6px;
    }
}