html, body {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
}

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #2d6ae3;
}

.login-box {
    background: white;
    padding: 30px;
    border-radius: 8px;
    width: 300px;
    text-align: center;
}

.login-box input {
    width: 100%;
    margin: 10px 0;
    padding: 10px;
}

.login-box button {
    width: 100%;
    padding: 10px;
    background: #2d6ae3;
    color: white;
    border: none;
}

.error {
    color: red;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.header {
    background: #2d6ae3;
    color: white;
    padding: 15px;
    display: flex;
    justify-content: space-between;
}

.content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.cards {
    display: flex;
    gap: 20px;
}

.card {
    background: #f3f4f6;
    padding: 20px;
    border-radius: 8px;
}

.charts-container {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.chart-card {
    flex: 1;
    background: #f3f4f6;
    padding: 20px;
    border-radius: 8px;
}

.chart-wrapper {
    height: 260px;
}