body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
}

#header {
    background-color: #0C4B33;
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#header h1 {
    margin: 0;
    font-size: 20px;
}
#user-tools {
    font-size: 14px;
}

#container {
    display: flex;
    min-height: 100vh;
}

#sidebar {
    width: 220px;
    background-color: #f0f0f0;
    padding: 20px;
    border-right: 1px solid #ccc;
    margin-top: 60px; /* смещение под шапку */
}
#sidebar ul {
    list-style: none;
    padding-left: 0;
}
#sidebar ul li a {
    display: block;
    padding: 8px 12px;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: background 0.2s;
}
#sidebar ul li a:hover,
#sidebar ul li a.active {
    background-color: #d2e3da;
    font-weight: bold;
}

#content {
    flex-grow: 1;
    padding: 30px;
    background-color: #fafafa;
}

.module {
    background: white;
    border: 1px solid #ccc;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 4px;
}
.submit-row {
    background: #f9f9f9;
    border-top: 1px solid #eee;
    padding: 10px 0 0;
    margin-top: 20px;
    display: flex;
    gap: 10px;
}
.default {
    background-color: #0C4B33;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.default:hover {
    background-color: #0a3e2b;
}
.button.cancel-link {
    background-color: #ddd;
    color: black;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 4px;
}