:root {
    --primary-color: #4a90e2;
    --secondary-color: #50e3c2;
    --background-color: #f0f4f8;
    --text-color: #333;
    --white: #fff;
    --danger-color: #e74c3c;
    --success-color: #2ecc71;
    --font-family: 'Poppins', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

#game-container {
    width: 100%;
    max-width: 500px;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

#score-board {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

#card {
    background-color: #f9f9f9;
    border: 2px dashed var(--primary-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

#word-display {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    min-height: 50px;
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: default;
    user-select: none;
}

.syllable-wrapper {
    display: inline-flex;
}

.letter {
    padding: 0 0.2rem;
    cursor: pointer;
    transition: transform 0.2s ease, color 0.2s ease;
}

.letter:hover {
    transform: scale(1.1);
    color: var(--primary-color);
}

.hyphen {
    color: var(--secondary-color);
    font-size: 2.5rem;
    font-weight: 600;
    padding: 0 0.2rem;
    animation: fadeIn 0.3s ease;
    flex-shrink: 0; /* Prevents hyphen from shrinking */
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

.instructions {
    color: #888;
    margin-top: 1rem;
    font-size: 0.9rem;
}

#syllable-count-section h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

#syllable-count-buttons {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.count-btn {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background-color: var(--white);
    color: var(--primary-color);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.count-btn:hover {
    background-color: #e9f2fe;
}

.count-btn.selected {
    background-color: var(--primary-color);
    color: var(--white);
}

#controls {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

button {
    font-family: var(--font-family);
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

button:active {
    transform: translateY(0);
    box-shadow: none;
}

#check-btn {
    background-color: var(--secondary-color);
    color: var(--white);
}

#reset-btn {
    background-color: #f39c12;
    color: var(--white);
}

#next-btn, #restart-btn {
    background-color: var(--primary-color);
    color: var(--white);
}

#feedback {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    min-height: 25px;
}

.correct {
    color: var(--success-color);
}

.incorrect {
    color: var(--danger-color);
}

.hidden {
    display: none !important;
}

#game-over {
    margin-top: 2rem;
}

#game-over h2 {
    font-size: 2rem;
    color: var(--primary-color);
}

#game-over p {
    font-size: 1.2rem;
    margin: 1rem 0;
}

/* Mobile responsive */
@media (max-width: 480px) {
    #game-container {
        padding: 1rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    #word-display {
        font-size: 2rem;
    }

    .hyphen {
        font-size: 2rem;
    }
}