body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    padding: 20px;
    box-sizing: border-box;
}

.glass-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 1200px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

h1 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
}

.chart-container {
    position: relative;
    height: 150px;
    width: 100%;
    margin-top: 20px;
}