:root {
    --brand-main: #0d6efd;
    --brand-soft: #e7f0ff;
    --surface: #ffffff;
    --ink: #1f2937;
}

body {
    background: linear-gradient(180deg, #f6f9ff 0%, #eef6ff 100%);
    color: var(--ink);
}

.hero-section {
    background: linear-gradient(135deg, #0d6efd, #1f7af8 60%, #3b9dff);
    box-shadow: 0 10px 22px rgba(13, 110, 253, 0.25);
}

.card {
    border: 0;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.stat-card {
    background: var(--surface);
    padding: 16px;
    border-radius: 10px;
    border-left: 4px solid var(--brand-main);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
}

table td,
table th {
    vertical-align: middle;
}