/* --- RESET ET CONFIGURATION GLOBALE --- */
:root {
    --main-bg-color: #1e272e;
    --card-size: 80px;
    --hand-height: 120px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', sans-serif;
}

html, body {
    width: 100%;
    height: 100dvh; /* Utilise la hauteur dynamique pour mieux s'adapter aux mobiles */
    overflow: hidden;
    background-color: var(--main-bg-color);
    color: white;
}

button {
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #3498db;
    color: white;
    transition: background-color 0.2s;
}

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

.hidden {
    display: none !important;
}