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

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f5f7;
    color: #333;
}

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

.sidebar {
    width: 220px;
    background-color: #34495e;
    color: #ffffff;
    padding: 25px 20px;
    flex-shrink: 0;
}

.sidebar .logo {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 30px;
}

.sidebar .menu {
    list-style: none;
}

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

.sidebar .menu a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 15px;
    display: block;
    transition: color 0.2s;
}

.sidebar .menu a:hover,
.sidebar .menu a.active {
    color: #ffffff;
    font-weight: bold;
}

.main-content {
    flex-grow: 1;
    padding: 30px 40px;
}

.page-title {
    font-size: 22px;
    color: #2c3e50;
    margin-bottom: 25px;
}

.stats-container {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
}

.stat-card {
    background-color: #ffffff;
    padding: 20px 25px;
    border-radius: 8px;
    flex: 1;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.stat-title {
    display: block;
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 8px;
}

.stat-value {
    display: block;
    font-size: 20px;
    font-weight: bold;
    color: #2c3e50;
}

.section-title {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 15px;
}

.user-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.user-table th,
.user-table td {
    padding: 12px 18px;
    text-align: left;
    font-size: 14px;
}

.user-table th {
    background-color: #ffffff;
    color: #7f8c8d;
    font-weight: bold;
    border-bottom: 2px solid #edf2f7;
}

.user-table td {
    border-bottom: 1px solid #edf2f7;
    color: #4a5568;
}

.user-table tbody tr:last-child td {
    border-bottom: none;
}