body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0; padding: 20px;
    background-color: #e9eff5;
}

.container {
    max-width: 600px; margin: 0 auto;
    background: #ffffff; padding: 25px;
    border-radius: 12px;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

h1 { color: #007bff; text-align: center; }
.icon { font-size: 1.2em; color: #28a745; margin: 0 5px; }

h2 {
    color: #343a40; border-bottom: 2px solid #007bff;
    padding-bottom: 10px; margin-top: 30px;
}

label { display: block; margin-top: 15px; font-weight: bold; color: #495057; }

select {
    width: 100%; padding: 12px; margin-bottom: 20px;
    border-radius: 8px; border: 1px solid #ced4da;
    font-size: 16px; background-color: #f8f9fa;
}

#kaynak-listesi { list-style-type: none; padding: 0; }

#kaynak-listesi li {
    margin-bottom: 10px; padding: 15px;
    border-radius: 8px; font-size: 15px;
}

.kolay-kaynak { background-color: #e6f9e6; border-left: 5px solid #28a745; color: #155724; }
.orta-kaynak { background-color: #e9f7ff; border-left: 5px solid #007bff; color: #004085; }
.zor-kaynak { background-color: #fcebeb; border-left: 5px solid #dc3545; color: #721c24; }

#footer-imza {
    text-align: center; margin-top: 40px; padding: 20px;
    font-size: 14px; color: #6c757d; border-top: 1px solid #dee2e6;
}
/* Instagram Sabit Buton */
.insta-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #E1306C;
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: sans-serif;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.insta-float img {
    width: 25px;
    height: 25px;
    margin-right: 10px;
}

.insta-float:hover {
    transform: scale(1.1);
    background-color: #C13584;
}

/* Mobilde sadece ikon görünsün istersen (isteğe bağlı) */
@media screen and (max-width: 600px) {
    .insta-float span {
        display: none;
    }
    .insta-float {
        padding: 10px;
        border-radius: 50%;
    }
    .insta-float img {
        margin-right: 0;
    }
}