body {
    font-family: Georgia, 'Times New Roman', serif;
    line-height: 1.6;
    color: #333;
    max-width: 650px;
    margin: 40px auto;
    padding: 0 20px;
}

nav {
    text-align: center;
    margin-bottom: 30px;
    background-color: #e6f2ff; /* light blue */
    padding: 10px 0;
    border-radius: 4px;
}
.menu {
    list-style: none;
    padding: 0;
    margin: 0;
}
.menu li {
    display: inline;
    margin: 0 12px;
}
.menu li a {
    font-size: 14px;
    color: #3366cc;
    text-decoration: none;
}
.menu li a:hover {
    background-color: #e6f2ff;
    font-weight: bold;
}

h1 {
    font-size: 24px;
    font-weight: normal;
    margin-bottom: 5px;
}
h2 {
    font-size: 18px;
    font-weight: bold;
    margin-top: 30px;
    margin-bottom: 10px;
}
p {
    margin: 10px 0;
}
a {
    color: #0066cc;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
ul {
    padding-left: 20px;
}
li {
    margin: 8px 0;
}
hr {
    border: none;
    border-top: 1px solid #ccc;
    margin: 5px 0;
}
.header-info {
    color: #666;
    font-size: 14px;
}
.pub-entry {
    margin: 15px 0;
}
.pub-year {
    color: #666;
    margin-right: 10px;
}

.katex-html {
  display: none;
}
pre[class*="language-"] {
  margin-left: 20px;
  padding: 1em;
  border-radius: 5px;
  overflow-x: auto;
  font-family: 'Courier New', Courier, monospace;
}

iframe {
  display: block;     /* iframe'i blok eleman yap */
  margin-left: auto;  /* otomatik soldan boşluk */
  margin-right: auto; /* otomatik sağdan boşluk */
  max-width: 100%;    /* taşmayı önlemek için genişliği sınırlı tut */
}

.katex-display {
  display: block;
  text-align: center;
  margin: 1em 0;
  font-size: 18px;
}

.post-date {
  font-size: 0.8em;
  color: #666666;
  font-style: italic;
}

.blog-date {
    color: #666;
    font-size: 12px;
    text-align: right;
    font-style: italic
}

.blog-list {
    list-style: none;
    padding: 0;
}

.blog-list li {
    margin-bottom: 12px;
}

.blog-date {
    color: #888;
    font-size: 13px;
    margin-left: 10px;
}


.footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #ccc;
    color: #666;
    font-size: 14px;
}
.header {
    overflow: hidden;
    margin-bottom: 30px;
}
.header img {
    float: left;
    margin-right: 30px;
    border: 1px solid #ddd;
}
.header-text {
    float: left;
    padding-top: 10px;
}
.header-text h1 {
    margin-top: 0;
}