:root {
    --primary-color: #ffffff;
    --background-color: #1a1a1a;
    --box-background: #ffffff;
    --text-color: #333333;
    --accent-color: #4CAF50;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    color: var(--primary-color);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

h1 {
    font-size: 4rem;
    margin: 0.5rem 0 1.5rem 0;
}

.settings {
    background-color: #2a2a2a;
    padding: 2rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
}

.settings h2 {
    font-size: 1.8rem;
    margin: 0.8rem 0;
    color: var(--primary-color);
}

.mode-selection {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 2rem;
    margin: 1rem 0;
}

.mode-card {
    position: relative;
    cursor: pointer;
    width: 200px;
    height: 120px;
}

.mode-card input[type="checkbox"] {
    display: none;
}

.card-content {
    width: 100%;
    height: 100%;
    background-color: var(--box-background);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-color);
    transition: all 0.3s ease;
    padding: 1rem;
    box-sizing: border-box;
    text-align: center;
}

.mode-card input[type="checkbox"]:checked + .card-content {
    box-shadow: inset 0 0 0 3px var(--accent-color);
}

.duration-selection {
    display: flex;
    flex-direction: row;
    justify-content: center;
    background-color: #1a1a1a;
    border-radius: 50px;
    padding: 0.5rem;
    margin: 1rem auto;
    width: fit-content;
    gap: 0.5rem;
}

.duration-option {
    position: relative;
    cursor: pointer;
}

.duration-option input[type="radio"] {
    display: none;
}

.duration-option span {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    color: var(--primary-color);
}

.duration-option input[type="radio"]:checked + span {
    background-color: var(--accent-color);
}

#start-game {
    margin-top: 1.5rem;
    padding: 1.2rem 4rem;
    font-size: 1.5rem;
    border-radius: 50px;
    border: none;
    background-color: var(--accent-color);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

#start-game:disabled {
    background-color: #666666;
    cursor: not-allowed;
}

.question-box {
    background-color: var(--box-background);
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#question {
    font-size: 6rem;
    color: var(--text-color);
    font-weight: bold;
}

#answer {
    font-size: 1.5rem;
    padding: 0.5rem;
    width: 150px;
    text-align: center;
    border: 2px solid #ccc;
    border-radius: 5px;
    margin: 0;
}

#answer:focus {
    outline: none;
    border-color: var(--accent-color);
}

.stats {
    display: flex;
    justify-content: space-between;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

h1 a {
    color: var(--primary-color);
    text-decoration: none;
}

.answer-box {
    margin: 2rem 0;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: center;
    gap: 1rem;
}

.rainbow-letter {
    display: inline-block;
    font-weight: bold;
}

/* Style commun pour les boutons de jeu */
#submit-answer, #play-again {
    padding: 0.5rem 2rem;
    font-size: 1.2rem;
    border-radius: 25px;
    border: none;
    background-color: var(--accent-color);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

#submit-answer:disabled, #play-again:disabled {
    background-color: #666666;
    cursor: not-allowed;
}

/* Style pour la sélection des tables */
.tables-selection {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
}

.table-card {
    position: relative;
    cursor: pointer;
    width: 45px;
    height: 45px;
}

.table-card input[type="checkbox"] {
    display: none;
}

.table-card .card-content {
    width: 100%;
    height: 100%;
    background-color: var(--box-background);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.table-card input[type="checkbox"]:checked + .card-content {
    box-shadow: inset 0 0 0 3px var(--accent-color);
}

/* Ajustement de la validation */
#start-game:disabled {
    background-color: #666666;
    cursor: not-allowed;
}

/* Media queries pour le responsive */
@media screen and (max-width: 768px) {
    /* Styles pour la page d'accueil */
    h1 {
        font-size: 2.5rem;
        margin: 0.3rem 0;
    }

    .settings {
        padding: 0.8rem;
    }

    .settings h2 {
        font-size: 1.5rem;
        margin: 0.5rem 0;
    }

    /* Ajustement des tables */
    .tables-selection {
        display: grid;
        grid-template-rows: repeat(2, 1fr);
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
        margin: 0.5rem auto;
        max-width: 200px;
        padding: 0;
    }

    .table-card {
        width: 100%;
        height: auto;
        aspect-ratio: 1;
    }

    .table-card .card-content {
        font-size: 1rem;
        border-radius: 6px;
        padding: 0;
    }

    /* Ajustement des modes de jeu */
    .mode-card {
        width: 100%;
        max-width: 280px;
        height: 60px;
        margin: 0 auto;
    }

    .mode-selection {
        flex-direction: column;
        gap: 0.5rem;
        margin: 0.5rem 0;
    }

    /* Ajustement de la durée */
    .duration-selection {
        margin: 0.5rem auto;
        padding: 0.3rem;
    }

    .duration-option span {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    /* Ajustement du bouton jouer */
    #start-game {
        margin-top: 1rem;
        padding: 0.8rem 3rem;
        font-size: 1.3rem;
    }

    /* Styles pour la page de jeu */
    .game-container {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--background-color);
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .stats {
        flex-shrink: 0;
        padding: 0.5rem;
        background-color: var(--background-color);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .game-content {
        flex-grow: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 1rem;
    }

    .question-box {
        width: 90%;
        max-width: 300px;
        background-color: var(--box-background);
        border-radius: 15px;
        padding: 1rem;
        height: auto;
        min-height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0;
    }

    #question {
        font-size: 3rem;
    }

    .answer-box {
        flex-shrink: 0;
        padding: 1rem;
        background-color: var(--background-color);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    #answer, #submit-answer {
        width: 80%;
        max-width: 200px;
    }

    /* Ajustement du titre */
    h1 {
        font-size: 2.5rem;
        margin: 0.5rem 0;
        padding: 0 1rem;
        word-break: keep-all;
        white-space: nowrap;
    }
}

/* Ajustements pour les très petits écrans */
@media screen and (max-width: 320px) {
    h1 {
        font-size: 2.5rem;
    }

    #question {
        font-size: 2.5rem;
    }
}