body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    
}


.container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.card {
    display: flex; 
    flex-direction: column;
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #dadce0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    text-decoration: none; 
    color: inherit; 
}


.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card-header {
    height: 100px; 
    padding: 20px;
    color: white;
    display: flex;
    align-items: flex-start; 
}

.card-header h2 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.3;
}

.card-body {
    height: 50px; 
    background-color: #fff;
    position: relative; 
}


#anaNav {
    font-size: 1rem;
    background-color: #1f1f1f;
    color: bisque;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center; 
    border-radius: 8px 8px 8px 8px;
    padding: 1rem;
}

#anaNav div {
    padding-left: 10px;
}

#anaNav .kutu {
    display: flex;
    flex-direction: row;
    padding: 10px;
    align-items: center; 
    gap: 15px;  
    margin: 0 10px;
}

#anaNav a {
    text-decoration: none;
    color: bisque;
}

#anaNav a:hover {
    text-decoration: none;
    color: white;
    text-decoration: underline;
}

.sinif{
    display: flex;
    justify-content: center;
    align-items: center;
}

.sinif a{
    display: inline-block;
    transform: scale(3.0);
    text-decoration: none;
}

.giris{
    max-width: 250px;
    margin-left: auto;
    margin-right: auto;
}

.sinif_katil a{
    display: inline-block;
    text-decoration: none;
    color:black;
    background-color: #1967d2;
    width: 200px;
    height: 60px;
    border-radius: 8px 8px 8px 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 40px;
}

.sinif_olustur a{
    display: inline-block;
    text-decoration: none;
    color: black;
    background-color: #1967d2;
    width: 200px;
    height: 60px;
    border-radius: 8px 8px 8px 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    
}
.sinif_1 {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 5%;
}

.sinif_2 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 5%;
    height: 40px;
}

.form{
margin-bottom: 0px;
margin-top: 0px;
}

.sinif_2_o form{
    margin-top: 3rem;
    display: flex;
    gap: 20px;
    align-items: flex-end;
    padding: 20px;
    border-radius:8px;
}

.input_sinif{
    display: flex;
    flex-direction: column;
    gap: 5px;
}


input {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}