@font-face { 
    font-family: bits;
    src: url(./fonts/Quinquefive-K7qep.ttf);
}

:root { 
    --green: 51,255,1,255;
}

body { 
    margin: 0;
    padding: 0;
    font-family: bits;
    color: white;
}

.flex { 
    display: flex;
}

.hidden { 
    display: none;
}

.center { 
    margin: auto;
    width: 50%;
    padding: 10px; 
}

.game-section { 
   background-color: black;
}

.game-area { 
    position: relative;
    background-color: black;
    width: 90%;
    height: 90vh;
    padding: 0 5%;
    border-bottom: 5px solid rgba(var(--green));
}

.start-game { 
    position: absolute;
    width: 60%;
    flex-direction: column;
    justify-content: space-around;
    left: 15%;
    top: 15%;
    z-index: 3;
}

.main-header { 
    text-align: center;
    width: 25%;
}

.start-game-points { 
    list-style: none;
    line-height: 4rem;
    text-align: center;
    padding: 0;
}

.start-game-points>ul { 
    padding: 0;
}

.ten-pts { 
    width: 45px;
    vertical-align: middle;
}

.twenty-pts { 
    width: 50px;
    vertical-align: middle;
    padding-right: 15px;
}

.fourty-pts { 
    width: 50px;
    vertical-align: middle;
}

.mothership-pts { 
    width: 65px;
    vertical-align: middle;
}

.start-button { 
    width: 40%;
    border-radius: 30px;
    background-color: rgb(var(--green));
    padding: 30px;
    text-align: center;
}

.controls-center { 
    padding-top: 25px;
    text-align: center;
}

.controls { 
    width: 10%;
    align-items: center;
}


.start-button:hover { 
    cursor: pointer;
    color: rgba(var(--green));
    background-color: white;
}

.game-over { 
    position: absolute;
    width: 30%;
    z-index: 3;
    border-radius: 30px;
    background-color: red;
    left: 35%;
    top: 15%;
    padding: 30px;
    text-align: center;
}


.game-over:hover { 
    cursor: pointer;
    color: red;
    background-color: white;
}

.score-screen { 
    background-color: black;
    display: flex;
    justify-content: space-between;
    margin: 0 5%;
    line-height: 4em;
}

.green { 
    color: rgba(51,255,1,255);
}

.lives, .lives-counter { 
    display: flex;
    justify-content: space-between;
    gap: 5%;
}


.one-life { 
    width: 75px;
    height: 35px;
    background-image: url(./images/defender/defender.jpg);
    background-repeat: no-repeat;
    background-size: contain;
    margin: auto;
    background-position: center;
}

.defender { 
    position: absolute;
    width: 100px;
    height: 50px;
    background-image: url(./images/defender/defender.jpg);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
}

.lazer-shot {
    position: absolute;
    width: 25px;
    height: 25px;
    background-image: url(./images/defender/attack-lazer.jpg);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
}

.alien-lazer-shot { 
    position: absolute;
    width: 25px;
    height: 25px;
    background-image: url(./images/aliens/attack-type-1.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    z-index: 1;
}

.alien-cluster { 
    position: absolute;
    display: grid;
    grid-template-columns: repeat(11, 65px);
    grid-template-rows: repeat(5, 55px);
    margin-top: 4%;
}

.alien { 
    width: 60px;
    height: 50px;
    background-repeat: no-repeat;
    background-size: contain;
    z-index: 2;
}

.alien-40pts { 
    background-image: url(./images/aliens/enemy-40pts-1.png);
}

.alien-20pts { 
    background-image: url(./images/aliens/enemy-20pts-1.png);
}

.alien-10pts { 
    background-image: url(./images/aliens/enemy-10pts-1.png);
}

.mothership { 
       position: absolute;
       width: 60px;
       height: 50px;
       background-image: url(./images/aliens/mothership.jpg);
}

.shield-field { 
    position: absolute;
    display: flex;
    justify-content: space-around;
}

.shield { 
    width: 150px;
    height: 75px;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    z-index: 2;
}

.shield-full-hp { 
    background-image: url(./images/shield/shield-full-hp.png);
}

.shield-1hit { 
    background-image: url(./images/shield/shield-full-1hit.png);
}

.shield-2hits { 
    background-image: url(./images/shield/shield-full-2hits.png);
}

.shield-3hits { 
    background-image: url(./images/shield/shield-full-3hits.png);
}

.shield-destroyed { 
    background-image: url(./images/shield/shield-destroyed.jpg);
}

.dying-animation { 
    background-image: url(./images/aliens/death-animation.jpg);
}

.dead-alien { 
    z-index: -100;
    background-color: black;
}

@media (max-width: 1600px) { 

    .game-area { 
        width: 90%;
        height: 87vh;
    }

    .one-life { 
        width: 50px;
        height: 25px;
    }
    
    .defender { 
        width: 75px;
        height: 35px;
    }
    
    .lazer-shot {
        width: 15px;
        height: 20px;
    }
    
    .alien-lazer-shot { 
        width: 20px;
        height: 20px;
    }
    
    .alien-cluster { 
        grid-template-columns: repeat(11, 45px);
        grid-template-rows: repeat(5, 45px);
    }
    
    .alien { 
        width: 60px;
        height: 30px;
    }

    .shield { 
        width: 100px;
        height: 50px;
    }
    
    
    .mothership { 
           width: 60px;
           height: 30px;
    }
}