/* ========================================
   Memory Game Styles
   ======================================== */

/* Game Section */
.game-section {
    padding: 3rem 0;
    background: var(--bg-light);
    min-height: 600px;
}

/* Game Stats */
.game-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin-bottom: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
}

.stat-item i {
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.stat-item strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* Game Controls */
.game-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.game-controls .btn {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary {
    background: var(--text-light);
    color: white;
}

.btn-secondary:hover {
    background: var(--text-dark);
    transform: translateY(-2px);
}

/* Memory Game Board */
.memory-game-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
    perspective: 1000px;
}

/* Memory Card */
.memory-card {
    aspect-ratio: 1;
    position: relative;
    cursor: pointer;
    transform-style: preserve-3d;
    transition: transform 0.6s;
}

.memory-card:hover {
    transform: scale(1.05);
}

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

.memory-card.matched {
    animation: matchAnimation 0.6s ease;
}

@keyframes matchAnimation {
    0%, 100% {
        transform: rotateY(180deg) scale(1);
    }
    50% {
        transform: rotateY(180deg) scale(1.15);
    }
}

/* Card Faces */
.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.card-front {
    background: var(--bg-gradient);
    color: white;
    font-size: 3rem;
}

.card-back {
    background: white;
    color: var(--primary-color);
    font-size: 3.5rem;
    transform: rotateY(180deg);
    border: 3px solid var(--secondary-color);
}

.card-front i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
}

/* Win Message */
.win-message {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.win-message.show {
    display: flex;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.win-content {
    background: white;
    padding: 3rem;
    border-radius: 1.5rem;
    text-align: center;
    max-width: 500px;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.win-content i {
    font-size: 5rem;
    color: #fbbf24;
    margin-bottom: 1rem;
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.win-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.win-stats {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin: 1.5rem 0;
}

.win-stats p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

/* Instructions Section */
.instructions-section {
    padding: 4rem 0;
    background: white;
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.instruction-card {
    text-align: center;
    padding: 2rem;
    border-radius: 1rem;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.instruction-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.instruction-number {
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0 auto 1rem;
}

.instruction-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.instruction-card p {
    color: var(--text-light);
    margin: 0;
}

/* Icons Reference Section */
.icons-reference {
    padding: 4rem 0;
    background: var(--bg-light);
}

.icons-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.icon-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.icon-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.icon-item i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
}

.icon-item p {
    margin: 0;
    font-weight: 600;
    color: var(--text-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
    .game-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .memory-game-board {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
        padding: 0 10px;
    }

    .card-back,
    .card-front {
        font-size: 2rem;
    }

    .win-content {
        margin: 1rem;
        padding: 2rem;
    }

    .instructions-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 992px) {
    .icons-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .card-back,
    .card-front {
        font-size: 1.5rem;
    }

    .memory-game-board {
        gap: 0.3rem;
    }

    .game-controls {
        flex-direction: column;
    }

    .game-controls .btn {
        width: 100%;
    }
}