body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    direction: ltr;
    background-color: #ffffff;
    color: #4a4a4a;
}

.left-menu {
    width: 250px;
    background-color: #f9f9f9;
    color: #333;
    position: fixed;
    height: 100%;
    overflow: auto;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    left: 0;
    z-index: 10;
}

.left-menu .content-logo {
    text-align: center;
    padding: 20px;
    border-bottom: 1px solid #ddd;
}

.left-menu .content-logo img {
    display: block;
    margin: 0 auto 10px;
}

.left-menu .content-logo span {
    font-size: 20px;
    font-weight: bold;
}

.left-menu .content-menu ul {
    list-style-type: none;
    padding: 0;
}

.left-menu .content-menu ul li {
    padding: 15px 20px;
    transition: all 0.5s ease;
}

.left-menu .content-menu ul li a {
    color: #007bff;
    text-decoration: none;
    padding: 10px 20px;
    display: block;
    font-weight: 500;
    transition: all 0.5s ease;
}

.left-menu .content-menu ul li a:hover {
    background-color: #e9ecef;
    border-radius: 5px;
    transform: scale(1.1);
}

.left-menu .content-menu ul li.active a {
    background-color: #007bff;
    color: #fff;
    border-radius: 5px;
    position: relative;
}

.left-menu .content-menu ul li.active a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background-color: #007bff;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.content-page {
    margin-left: 270px;
    padding: 40px;
    text-align: left;
    max-width: calc(100% - 270px);
    margin-right: auto;
    position: relative;
    z-index: 1;
}

h1 {
    font-size: 28px;
    color: #007bff;
    margin-bottom: 20px;
}

h2, h3 {
    color: #007bff;
    margin-top: 30px;
}

p {
    line-height: 1.8;
    margin-bottom: 20px;
}

a {
    text-decoration: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.1);
}

table th, table td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
    font-size: 14px;
    color: #4a4a4a;
}

table th {
    background-color: #f8f9fa;
    font-weight: bold;
    text-transform: uppercase;
}

pre {
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
}

.service-list-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.service-list-link:hover {
    text-decoration: underline;
}
html {
    scroll-behavior: smooth; /* فعال‌سازی انیمیشن نرم */
}