* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}


body, html {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: #225bcc;
}

.container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.sidebar {
    width: 250px;
    background-color: #333;
    color: #0b63e7;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 20px;
}

.sidebar .logo h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #eeedeb;
}

.sidebar ul {
    list-style-type: none;
    width: 100%;
    padding: 0;
}

.sidebar ul li {
    width: 100%;
}

.sidebar ul li a {
    display: block;
    padding: 15px;
    color: #fff;
    text-decoration: none;
    text-align: center;
}

.sidebar ul li a:hover {
    background-color: #555;
}

.main-content {
    flex-grow: 1;
    background: linear-gradient(120deg, #fcfeff 0%, #f7f7fa 100%);
    padding: 20px;
    overflow-y: auto;
}

.main-content header {
    background-color: #e9e8e4;
    padding: 15px;
    text-align: center;
    font-size: 24px;
    color: #333;
}

.content {
    margin-top: 20px;
}

.overview, .stats {
    margin-bottom: 20px;
}

.stats {
    display: flex;
    gap: 15px;
}

.stat-card {
    flex: 1;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat-card h3 {
    font-size: 18px;
    color: #333;
}

.stat-card p {
    font-size: 24px;
    font-weight: bold;
    color: #fcfcfc;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    background: radial-gradient(circle at 20% 20%, #ff6b6b, #333);
    animation: gradientAnimation 10s infinite alternate;
}

@keyframes gradientAnimation {
    0% {
        background: radial-gradient(circle at 0% 0%, #ff6b6b, #333);
    }
    50% {
        background: radial-gradient(circle at 100% 100%, #ffcc00, #333);
    }
    100% {
        background: radial-gradient(circle at 0% 100%, #ff6b6b, #333);
    }
}

/* Container utama */
.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: #fff;
    padding: 20px;
}

.sidebar .logo h2 {
    font-size: 24px;
    text-align: center;
    margin-bottom: 20px;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin: 15px 0;
}

.sidebar ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    display: flex;
    align-items: center;
}

.sidebar ul li a i {
    margin-right: 10px;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
    background-color: #ecf0f1;
}

header h1 {
    font-size: 26px;
    color: #333;
}

.overview p {
    font-size: 16px;
    color: #555;
}

/* Statistik */
.stats, .additional-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px 0;
}

.stat-card {
    background-color: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    flex: 1 1 200px;
    text-align: center;
}

.stat-card h3 {
    font-size: 18px;
    color: #333;
}

.stat-card p {
    font-size: 24px;
    color: #0f0f0f;
    margin-top: 5px;
}

/* Chart */
.chart {
    margin-top: 20px;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}