/* Layout de base */
@import url("https://www.oiseaux.net/jeux/css/menu_hide.css");
@import url("https://www.oiseaux.net/jeux/css/jeux.css");

#game_board {
    width: 100%;
    min-height: 800px;
    margin: 0 auto;
    margin-left: 0;
    position: relative;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 20px 0 10px 0;
}

.level-button {
    padding: 8px 15px;
    border: none;
    border-radius: 10px;
    background-color: #6d9dd6;
    color: white;
    cursor: pointer;
    font-size: 1.1em;
    font-family: "Comic Sans MS", cursive;
    transition: all 0.2s ease;
}

.level-button:hover {
    transform: translateY(2px);
}

.level-button.active {
    background-color: #4282c7;
    box-shadow: 0 2px 0 #2171C7;
}

#game_board {
    width: 100%;
    min-height: 800px;
    margin: 0 auto;
    position: relative;
}

/* Ajuster la taille du plateau selon le niveau */
.game-board-debutant, .game-board-poussin {
    min-height: 400px;
}

.game-board-intermediaire {
    min-height: 600px;
}

.game-board-confirme {
    min-height: 800px;
}

/* Conteneur principal des layers */
.layers-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Structure des tuiles */
.block {
    position: absolute;
    width: 66px;
    height: 66px;
    cursor: pointer;
    perspective: 1000px;
    transition: all 0.3s ease-in-out;
    box-sizing: border-box;
    /* Optimisation des performances avec will-change */
    will-change: transform, top, left, z-index;
}

/* Définition explicite des layers et leurs positions */
.layer_1 {
    position: absolute;
    z-index: 1;
    top:0;
    left:0;
}

.layer_2 {
    position: absolute;
    z-index: 2;
    top:-4px;
    left:-4px;
}


.layer_3 {
    position: absolute;
    z-index: 3;
    top:-8px;
    left:-8px;
}

.layer_4 {
    position: absolute;
    z-index: 4;
    top:-12px;
    left:-12px;
}

.layer_5 {
    position: absolute;
    z-index: 5;
    top:-16px;
    left:-16px;
    transform: translate(-25px, -25px);
}

/* Images des oiseaux */
.block .bird-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 3px;
    opacity: 1;
    z-index: 2;
    transition: opacity 0.3s ease, transform 0.3s ease;
    border-radius: 5px;
    /*border: 3px solid #ddd;  Bordure légère */
    background-color: #ccc; /* Fond blanc pour l'effet Mahjong */
    box-shadow: 
        2px 4px 0 rgba(0, 0, 0, 0.3), /* Ombre principale */
        inset 0 2px 4px rgba(255, 255, 255, 0.6); /* Légère lumière intérieure */

    border-right: 4px ridge  #ffffff;
    border-bottom: 4px ridge  #ffffff;
    padding-top: 1px;
    padding-left: 2px;
}

/* Couverture des tuiles */
.block .tile-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 10px 10px;
    border: 1px solid #000000;
    box-shadow: 4px 4px 5px rgb(240, 231, 231);
    box-sizing: border-box;
    border-radius: 3px;
    transition: opacity 0.3s ease;
    z-index: 3;
}

/* États des tuiles */
.block:hover .tile-cover {
    opacity: 0.2;
}

.block:hover .bird-image {
    opacity: 1;
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.8);
}

/* États sélectionnés */
.block.selected {
    z-index: 1000 !important;
}

.block.selected .bird-image {
    opacity: 1;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.layer_1 .bird-image{
    padding-top: 0;
    padding-left: 0;
    /*background-color: transparent;*/
}
.layer_2 .bird-image{
    padding-top: 2px;
    padding-left: 2px;
    /*background-color: transparent;*/
}


.block.selected .tile-cover {
    opacity: 0;
}

/* Espacement entre les tuiles */
.block[class*="layer_1"] {
    margin: 0;
    position: absolute;
}

/* Interface utilisateur */
#player_won, #player_lost {
    display: none;
    width: 331px;
    height: 50px;
    margin: 100px auto;
    text-align: center;
    font-size: 24px;
}

#player_won { color: #4caf50; }
#player_lost { color: #f44336; }

#start_again {
    width: 200px;
    margin: 20px auto;
    display: none;
    text-align: center;
    position: relative;
    top: -200px;
}

#start_again a {
    display: inline-block;
    padding: 10px 20px;
    background: #4caf50;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

#start_again a:hover {
    background: #388e3c;
}

#control {
    margin: auto;
    text-align: center;
    font-size: 16px;
    color: #666;
}

#control #shuffle {
    display: inline-block;
    margin-left: 10px;
    padding: 5px 10px;
    color: #2196f3;
    text-decoration: none;
    border: 1px solid #2196f3;
    border-radius: 3px;
    transition: all 0.3s ease;
}

#control #shuffle:hover {
    background: #2196f3;
    color: white;
}

/* Styles pour le lien vers la fiche espèce */
.bird-species-link {
    margin-left: 10px;
    font-size: 16px;
}

.bird-species-link a {
    color: #2196f3;
    text-decoration: none;
    transition: color 0.3s ease;
}

.bird-species-link a:hover {
    color: #0d47a1;
    text-decoration: underline;
}

.bird-species-link {
    margin-left: 10px;
    font-size: 16px;
}

.bird-species-link a {
    color: #2196f3;
    text-decoration: none;
    transition: color 0.3s ease;
}

.bird-species-link a:hover {
    color: #0d47a1;
    text-decoration: underline;
}

@media (max-width: 768px) {
    #game_board {
        transform: scale(0.6);
    }
    
    #control {
        width: 100%;
        padding: 10px 0;
    }
}