/* -------- RESET GLOBAL -------- */
*,
*::before,
*::after {
    box-sizing: border-box; /* simplifie le calcul des largeurs/paddings */
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    min-height: 100%;
    background-color: #FEFEE2;
    overflow-x: hidden; /* empêche tout débordement horizontal */
}

/* -------- VARIABLES DE COULEUR -------- */
:root {
    --header-bg: #444444;
    --button-bg: #444444;
    --button-active: #888888;
    --builder-bg: #777777;
    --text-color: white;
    --footer-bg: #444444;
}

/* -------- HEADER -------- */
header {
    min-height: 80px;
    padding: 5px 10px; /* top/bottom 5px, left/right 10px */
    color: var(--text-color);
    background-color: var(--header-bg);
    width: 100%;
    position: relative;
}

header h1 {
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 3px; /* unité corrigée */
}

/* Container pour boutons */
.header-buttons-container {
    display: flex;
    align-items: center;
    justify-content: space-between; /* factions à gauche, builder à droite */
    flex-wrap: wrap; /* évite débordement sur petits écrans */
}

/* Formulaire des boutons de factions */
.filter-buttons {
    display: flex;
    gap: 5px; /* espace entre les boutons */
}

/* -------- BOUTONS -------- */
button {
    color: var(--text-color);
    background-color: var(--button-bg);
    border: none;
    padding: 2px 5px;
    cursor: pointer;
}

.filter-buttons button {
    border: outset 2px #222; /* relief classique */
}

.filter-buttons button.active-button {
    background-color: var(--button-active);
    border: inset 2px #222; /* effet enfoncé */
}

.filter-buttons button img {
    opacity: 0.85;
    transform: scale(0.95);
}

/* Bouton Builder */
.builder-button {
    display: inline-block;
    color: var(--text-color);
    background-color: var(--builder-bg);
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid #222;
    border-radius: 4px;
    white-space: nowrap;     /* pas de retour à la ligne */
    max-width: 200px;        /* limite largeur bouton */
    overflow: hidden;
    text-overflow: ellipsis; /* "Olomoc Builder..." si trop long */
    text-align: center;
}

.builder-buttons-column {
    position: absolute;
    right: 10px;
    top: 5px;

    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.home_button_div {
    display: inline-block;
    vertical-align: top;

    width: 200px;
    height: 200px;
    position: relative;

    background-color: #888888;
    border: outset 2px #222;   /* relief comme Olomoc */
    cursor: pointer;
    overflow: hidden;

    color: white;              /* pour texte ou labels éventuels */
}

.home_button_div:hover {
    background-color: #555;    /* effet hover optionnel */
}

.img_home {
    width:  100%;
    height: 100%;
    position: absolute;
}

/* -------- BODY -------- */
body {
    padding-bottom: 50px; /* espace pour footer */
}

/* -------- CARDS -------- */
.cards-container {
    padding: 10px;       /* léger espace autour des cartes */
    padding-top: 5px;
    text-align: left;     /* alignement à gauche */
}

.card_div {
    display: inline-block;
    vertical-align: top;
    width: 150px;
    height: 209px;
    position: relative;
    background-color: #000000;
    border: outset;
    cursor: pointer;
    overflow-y: hidden;
}

.card_button {
    width: 100%;
    height: 100%;
    position: absolute;
}

.card_thumb {
    width: 100%;
    height: auto;
    position: absolute;
}

/* -------- POPUP -------- */
#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    visibility: hidden;
}

#popup {
    width: 50%;
    margin: 20px auto;
    position: relative;
    display: block;
}

#card_img {
    width: 100%;
    height: auto;
    padding-bottom: 50px;
    position: absolute;
}

/* -------- FOOTER -------- */
footer {
    left: 0;
    right: 0;
    bottom: 0;
    padding: 5px;
    position: fixed;
    color: var(--text-color);
    font-size: 15px;
    background-color: var(--footer-bg);
    z-index: 1000;
}

/* -------- RESPONSIVE -------- */
@media (max-width: 768px) {
    .cards-container {
        padding: 5px;
    }

    .card_div {
        width: 120px;
        height: 170px;
    }

    header {
        padding: 5px;
    }

    .builder-button {
        padding: 3px 6px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .filter-buttons {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .builder-button {
        width: 100%;
        margin-top: 5px;
        text-align: center;
    }
}