/* Global Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: #F4F4F9; /* Light Gray Background */
    color: #333333; /* Dark Charcoal Text */
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Container */
.container {
    background: #FFFFFF; /* White Background for the Quiz Box */
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 600px;
    padding: 20px;
    text-align: center;
}

/* Heading */
h1 {
    color: #1D3557; /* Deep Blue */
    font-size: 2rem;
    margin-bottom: 20px;
}

/* Progress Bar */
#progress-bar {
    background-color: #E0E0E0;
    border-radius: 8px;
    height: 10px;
    margin-bottom: 20px;
    width: 100%;
}

#progress {
    background-color: #F1C40F; /* Soft Gold */
    height: 100%;
    width: 0%;
    border-radius: 8px;
    transition: width 0.3s ease;
}

/* Options */
.option-btn {
    background-color: #2C6E49; /* Muted Teal */
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    font-size: 1rem;
    margin: 10px 0;
    padding: 10px;
    width: 100%;
    transition: background-color 0.3s ease;
}

.option-btn:hover {
    background-color: #1D3557; /* Deep Blue on Hover */
}

/* Correct and Incorrect States */
.option-btn.correct {
    background-color: #27AE60; /* Success Green */
}

.option-btn.incorrect {
    background-color: #E74C3C; /* Error Red */
}

/* Buttons */
button, #share-btn {
    background-color: #F1C40F; /* Soft Gold */
    border: none;
    border-radius: 8px;
    color: #1D3557; /* Deep Blue Text */
    cursor: pointer;
    font-size: 1rem;
    margin-top: 20px;
    padding: 12px 24px;
    width: 100%;
    transition: background-color 0.3s ease;
}

button:hover, #share-btn:hover {
    background-color: #D4AC0D; /* Darker Gold on Hover */
}

/* Hidden Elements */
.hidden {
    display: none;
}