/* Variables */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f5f5;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-color);
}

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

h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

/* Écrans de l'application */
#start-screen {
    text-align: center;
    padding: 2rem 0;
}

#results-screen {
    text-align: center;
    /* display: none; */
    padding: 2rem 0;
}

/* Barre de progression */
.progress {
    text-align: right;
    color: #7f8c8d;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

/* Conteneur des questions */
#question-container {
    margin-bottom: 2rem;
}

#question-text {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

/* Conteneur de médias */
.media-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.media-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.media-container iframe {
    width: 100%;
    min-height: 400px;
    border: none;
    border-radius: 8px;
}

.media-link {
    display: inline-block;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border: 1px solid var(--secondary-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.media-link:hover {
    background-color: var(--secondary-color);
    color: white;
}

.feedback {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 6px;
    background-color: var(--light-color);
    border-left: 4px solid var(--secondary-color);
    font-weight: 500;
    color: var(--dark-color);
    transition: opacity 0.2s ease;
}

/* Options de réponse */
#options-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.option-btn {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: white;
    border: 2px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
    font-size: 1rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    border: 2px solid var(--light-color);
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    text-align: left;
    transition: all 0.3s ease;
}

.option-btn:hover {
    background-color: var(--light-color);
}

.option-btn.selected {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.option-btn.correct {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.option-btn.incorrect {
    background-color: var(--error-color);
    color: white;
    border-color: var(--error-color);
    opacity: 0.7;
}

/* Boutons */
button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin: 0.5rem;
}

button:hover {
    background-color: #2980b9;
}

button:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

#start-btn,
#restart-btn {
    background-color: var(--accent-color);
    font-size: 1.1rem;
    padding: 1rem 2rem;
    margin-top: 1rem;
}

#start-btn:hover,
#restart-btn:hover {
    background-color: #c0392b;
}

/* Résultats */
#score {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
}

#result-message {
    font-size: 1.2rem;
    margin: 1.5rem 0;
    padding: 1rem;
    border-radius: 5px;
    background-color: var(--light-color);
}

/* Styles pour les boutons de réponse */
.option-btn:hover {
    background-color: #f8f9fa;
    border-color: var(--secondary-color);
}

.option-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.option-btn.correct {
    background-color: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.option-btn.incorrect {
    background-color: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.option-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Classes utilitaires */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    #question-text {
        font-size: 1.3rem;
    }

    .option-btn {
        padding: 0.8rem;
    }

    button {
        width: 100%;
        margin: 0.5rem 0;
    }
}