body{
    background: #0a0e17;
    color: #c9d8e8;
    font-family: monospace;
    font-size: 12pt;
    padding: 40px 20px;
}

h1{
    color: #00d4ff;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 3rem;
}

h2{
    color:#00d4ff;
    margin-top: 16px;
    margin-bottom: 8px;
}

/* menu cards */
h3{
    color: white;
    text-align: center;
}

input[type="checkbox"]{
    appearance: none; /*create a blank slate */
    /* make our own checkbox style */
    background: #f53d3d;
    width: 20px;
    height: 20px;
    border: 2px solid #4a6480;
    cursor:pointer;
}
input[type="checkbox"]:checked{
    background: rgba(0, 255, 153, 0.2);
    border-color: #00ff99;
    box-shadow: 0,0,10px rgba(0, 255, 153, 0.5);
}

.gate{
    display: flex;
    align-items: center;
    gap:10px;

    background-color: #111847;
    border: 2px solid #1e3a5f;
    width:fit-content;
    padding: 10px;
}

.inputs {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

table{
    margin-top: 5px;
    border: 2px solid #1e3a5f;
    border-collapse: collapse;
    font-size: 14pt;
    text-align: center;
}
 td, th {
       border: 1px solid #1e3a5f;
   }
th {
    padding: 5px 30px; /* top/bottom  left/right */
}

a {
    color: rgb(0, 255, 145);
    font-size: 14pt;
    text-decoration: none;
    display: inline-block;
    margin-top: 8px;
    border: 1px solid #1e3a5f;
    padding: 6px 16px;
    background: #111827;
    }


/* effects for the card on the logic and binary home page */
.card-container{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr auto;
    gap: 10px;
    overflow:hidden;
    padding: 4px;  
    margin: 2rem;
}
.card{
    border: 1px solid white ;
    background: rgb(16, 93, 155);
    color: white;
    min-height: 6rem;
    min-width: 12rem;
    padding: 10px;
    font-size: 20px;
    border-radius: 12px; 
    transition: all 0.2s ease-out;
}
.card:hover{
    transform: translateY(-3px);
    box-shadow: 0px 4px 8px rgba(38, 38, 38, 0.2);
    top: -4px;
    border: 1px solid #222480;
    background-color: rgb(74, 118, 231);
    
}

.home-btn a{
    color: rgb(0, 255, 145);
    font-size: 2rem;
    text-decoration: none;
    display: inline-block;
    margin-top: 14%;
    border: 1px solid #1e3a5f;
    padding: 6px 16px;
    background: #111827;
}