:root {
    /* Podstawowe kolory */
    --primary-blue: #3498db;
    --primary-blue-dark: #2980b9;
    --primary-green: #2ecc71;
    --primary-green-dark: #27ae60;
    --primary-red: #e74c3c;
    --primary-red-dark: #c0392b;
    --primary-brown: #8B4513;
    --primary-brown-dark: #654321;
    --text-white: white;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-color-dark: rgba(0, 0, 0, 0.7);
}

#memo-area {
    display: none;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

#memo-area .memo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 20px;
    position: relative;
    min-height: 400px;
}

#memo-area .memo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    width: 100%;
    max-width: 600px;
}

#memo-area .memo-card {
    aspect-ratio: 1;
    perspective: 1000px;
    cursor: pointer;
}

#memo-area .memo-card-content {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    backface-visibility: visible;
}

#memo-area .memo-card.flipped .memo-card-content {
    transform: rotateY(180deg);
}

#memo-area .memo-card-front,
#memo-area .memo-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    color: var(--text-white);
}

#memo-area .memo-card-front {
    background-color: var(--primary-blue);
    border: 2px solid var(--primary-blue-dark);
}

#memo-area .memo-card-back {
    background-color: var(--primary-green);
    border: 2px solid var(--primary-green-dark);
    transform: rotateY(180deg);
}

#memo-area .memo-stats {
    display: flex;
    gap: 20px;
    font-size: 1.2rem;
    flex-wrap: wrap;
    justify-content: center;
}

#memo-area .memo-moves,
#memo-area .memo-pairs {
    background-color: #f8f9fa;
    padding: 10px 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

#memo-area .menu-btn {
    background-color: #dc3545;
    color: var(--text-white);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

#memo-area .menu-btn:hover {
    background-color: #c82333;
}

#memo-area .memo-card.matched .memo-card-content {
    border: 4px solid var(--primary-green);
    box-shadow: 0 0 10px rgba(40, 167, 69, 0.5);
}

@keyframes matchedCard {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

#memo-area .memo-card.matched {
    animation: matchedCard 0.5s ease-in-out;
}

/* Style dla urządzeń mobilnych */
@media (max-width: 768px) {
    #memo-area {
        padding: 10px;
    }

    #memo-area .memo-container {
        padding: 10px;
        gap: 15px;
    }

    #memo-area .memo-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        max-width: 100%;
    }

    #memo-area .memo-card-front,
    #memo-area .memo-card-back {
        font-size: 1.2rem;
    }

    #memo-area .memo-stats {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    #memo-area .memo-moves,
    #memo-area .memo-pairs {
        width: 100%;
        text-align: center;
    }

    #memo-area .menu-btn {
        width: 100%;
        padding: 15px;
        font-size: 1.1rem;
    }
}

/* Style dla bardzo małych ekranów */
@media (max-width: 360px) {
    #memo-area .memo-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
}

#memo-area .memo-completion {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: memoFadeIn 0.5s ease;
    width: 90%;
    max-width: 400px;
}

#memo-area .memo-completion h2 {
    color: #2ecc71;
    font-size: 2rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

#memo-area .memo-completion p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #2c3e50;
}

#memo-area .memo-completion .moves-count {
    font-weight: bold;
    color: #e74c3c;
}

#memo-area .memo-completion-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
}

#memo-area .memo-completion .menu-btn,
#memo-area .memo-completion .stats-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    width: 80%;
    max-width: 300px;
    margin: 10px;
}

#memo-area .memo-completion .menu-btn:hover,
#memo-area .memo-completion .stats-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

#memo-area .memo-completion .play-again-btn {
    background-color: #2ecc71;
}

#memo-area .memo-completion .play-again-btn:hover {
    background-color: #27ae60;
}

#memo-area .memo-completion .stats-btn {
    background-color: #f39c12;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    width: 80%;
    max-width: 300px;
    margin: 10px;
}

#memo-area .memo-completion .stats-btn:hover {
    background-color: #fdba4d;
    transform: translateY(-2px);
}

@media (max-width: 480px) {
    #memo-area .memo-completion {
        width: 95%;
        padding: 20px;
    }
    #memo-area .memo-completion h2 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }
    #memo-area .memo-completion p {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }
    #memo-area .memo-completion-buttons {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    #memo-area .memo-completion .menu-btn,
    #memo-area .memo-completion .stats-btn,
    #memo-area .memo-completion .play-again-btn {
        width: 100%;
        padding: 15px;
        font-size: 1.1rem;
        min-width: unset;
        margin: 0 auto 10px auto;
        box-sizing: border-box;
    }
}

/* Style dla konfetti */
.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #f00;
    animation: confetti-fall 3s linear infinite;
    z-index: 999;
    pointer-events: none;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

@keyframes memoFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

body.dark-mode #memo-area .memo-stats {
  background: none !important;
  color: #f5f6fa !important;
}
body.dark-mode #memo-area .memo-moves,
body.dark-mode #memo-area .memo-pairs {
  background-color: #353b48 !important;
  color: #f5f6fa !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3) !important;
}