body {
    margin: 0;
    font-family: "Poppins", sans-serif;
    background: #0f0f0f;
    color: white;
}

header {
    text-align: center;
    padding: 2rem 1rem;
    background: #181818;
    border-bottom: 2px solid #e100ff;
}

h1 {
    margin: 0;
    font-size: 2rem;
    color: #e100ff;
}

main {
    display: grid;
    gap: 2rem;
    padding: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.chart-panel {
    background: #1a1a1a;
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid #333;
    transition: 0.25s;
}

.chart-panel:hover {
    transform: translateY(-4px);
    border-color: #e100ff;
}

.chart-title {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: #ff57ff;
}

canvas {
    width: 100% !important;
    height: auto !important;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #181818;
    margin-top: 3rem;
}