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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    padding: 20px 0;
    border-bottom: 1px solid #e0e0e0;
    text-align: center;
    position: relative; /* Geri butonu için konumlandırma */
}

.back-button {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: #000000;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.back-button:hover {
    background-color: #0056b3;
    transform: translateY(-50%) scale(1.05);
}

.back-button:active {
    transform: translateY(-50%) scale(0.95);
}

.back-button svg {
    width: 18px;
    height: 18px;
}

.logo {
    height: 40px;
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    margin-top: 30px;
}

/* Sidebar */
.sidebar {
    width: 250px;
    padding-right: 20px;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 15px;
}

.sidebar-nav a {
    text-decoration: none;
    color: #666;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: #000000;
}

/* Content Area */
.content {
    flex: 1;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.content-section h1 {
    font-size: 32px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.last-updated {
    font-size: 14px;
    color: #888;
    margin-bottom: 20px;
}

.content-section h2 {
    font-size: 24px;
    color: #333;
    margin-top: 30px;
    margin-bottom: 10px;
}

.content-section p {
    font-size: 16px;
    color: #555;
    margin-bottom: 15px;
}

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        padding-right: 0;
        margin-bottom: 20px;
    }

    .sidebar-nav ul {
        display: flex;
        justify-content: space-around;
        border-bottom: 1px solid #e0e0e0;
        padding-bottom: 10px;
    }

    .sidebar-nav li {
        margin-bottom: 0;
    }

    .content {
        padding: 15px;
    }

    .content-section h1 {
        font-size: 28px;
    }

    .content-section h2 {
        font-size: 20px;
    }

    .back-button {
        padding: 6px 10px;
        font-size: 12px;
    }

    .back-button svg {
        width: 16px;
        height: 16px;
    }
}