*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family: Arial, sans-serif;
    background:#f5f7fa;
}

header{
    background:#1e3a8a;
    color:white;
    padding:20px;
    text-align:center;
}

header h1{
    margin-bottom:10px;
}

nav{
    margin-top:10px;
}

nav a{
    color:white;
    text-decoration:none;
    margin:0 10px;
    font-weight:bold;
}

nav a:hover{
    color:#facc15;
}

.container{
    width:90%;
    max-width:1000px;
    margin:30px auto;
    background:white;
    padding:25px;
    border-radius:15px;
    box-shadow:0 0 15px rgba(0,0,0,0.1);
}

h2{
    color:#1e3a8a;
    margin-bottom:20px;
}

h3{
    margin-top:20px;
    color:#374151;
}

input,
select,
textarea{
    width:100%;
    padding:12px;
    border:1px solid #ccc;
    border-radius:8px;
    margin-top:5px;
}

button{
    background:#2563eb;
    color:white;
    border:none;
    padding:12px 20px;
    border-radius:8px;
    cursor:pointer;
    font-size:16px;
}

button:hover{
    background:#1d4ed8;
}

table{
    width:100%;
    border-collapse:collapse;
    margin-top:20px;
}

table th{
    background:#1e3a8a;
    color:white;
    padding:12px;
}

table td{
    padding:10px;
    border:1px solid #ddd;
    text-align:center;
}

a{
    color:#2563eb;
}

a:hover{
    color:#1e40af;
}

ul{
    margin-left:20px;
    margin-top:10px;
}

li{
    margin-bottom:10px;
}

@media(max-width:768px){

    nav a{
        display:block;
        margin:10px 0;
    }

    .container{
        width:95%;
    }

    table{
        font-size:12px;
    }
}
.sayac{
    background:#e0ecff;
    padding:20px;
    border-radius:12px;
    margin-bottom:20px;
    text-align:center;
}

#geriSayim{
    font-size:26px;
    font-weight:bold;
    color:#1e3a8a;
}