:root {
    --primary-color: #4a90e2;
    --secondary-color: #50e3c2;
    --background-color: #f0f4f8;
    --text-color: #333;
    --white: #fff;
    --danger-color: #e74c3c;
    --success-color: #2ecc71;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 1rem;
    box-sizing: border-box;
}

#game-container {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 800px;
    text-align: center;
}

h1, h2 {
    color: var(--primary-color);
}

.instructions {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    color: #666;
}

#puzzle-area, #choices-area {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.puzzle-item, .choice-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.puzzle-item img, .choice-item img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    background-color: #f9f9f9;
    border: 2px solid #ddd;
    border-radius: 12px;
    padding: 0.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.choice-item img {
    cursor: pointer;
}

.choice-item img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(74, 144, 226, 0.4);
    border-color: var(--primary-color);
}

.puzzle-item input {
    width: 50px;
    height: 50px;
    text-align: center;
    font-size: 1.8rem;
    font-weight: 600;
    text-transform: uppercase;
    border: 2px solid #ccc;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s;
}

.puzzle-item input:focus {
    border-color: var(--primary-color);
}

#formed-word-container {
    margin: 2rem 0;
}

#formed-word {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    height: 60px;
}

.letter-box {
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    background-color: var(--secondary-color);
    border-radius: 8px;
    border-bottom: 4px solid #48c9b0;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.3s, transform 0.3s;
}

.letter-box.visible {
    opacity: 1;
    transform: scale(1);
}

#feedback-area {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
}

#feedback-area.correct {
    background-color: #e9f9f2;
    color: var(--success-color);
}

#feedback-area.incorrect {
    background-color: #fdecea;
    color: var(--danger-color);
}

.hidden {
    display: none !important;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 1rem;
}

button:hover {
    background-color: #3a7ac8;
}

#game-over-screen {
    padding: 2rem;
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.modal:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 90%;
    max-width: 400px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal:not(.hidden) .modal-content {
    transform: scale(1);
}

#modal-feedback-message {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    margin-top: 0;
}

.modal-content.correct #modal-feedback-message {
    color: var(--success-color);
}

.modal-content.incorrect #modal-feedback-message {
    color: var(--danger-color);
}

.modal-content button {
    margin: 0.5rem;
}

/* Mobile Styles */
@media (max-width: 600px) {
    body {
        padding: 0.5rem;
    }
    #game-container {
        padding: 1rem;
    }
    h1 {
        font-size: 1.5rem;
    }
    .puzzle-item img, .choice-item img {
        width: 70px;
        height: 70px;
    }
    .puzzle-item input {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    .letter-box {
        width: 40px;
        height: 40px;
        font-size: 1.6rem;
    }
}