* { box-sizing: border-box; }

body {
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #0f1720;
    color: #e6edf3;
    margin: 0;
    padding: 0 1.5rem 3rem;
}

header {
    padding: 1.5rem 0 1rem;
}

h1 {
    font-size: 1.4rem;
    margin: 0;
}

h2 {
    font-size: 1.1rem;
    border-bottom: 1px solid #2d3748;
    padding-bottom: 0.4rem;
    margin-top: 2.5rem;
}

h3 {
    font-size: 0.95rem;
    color: #9fb3c8;
    margin: 1.2rem 0 0.4rem;
}

table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.85rem;
}

th, td {
    padding: 0.35rem 0.6rem;
    text-align: left;
    border-bottom: 1px solid #202b38;
}

th {
    color: #9fb3c8;
    font-weight: 600;
}

.prob-table td:not(:first-child):not(:nth-child(2)),
.prob-table th:not(:first-child):not(:nth-child(2)) {
    text-align: right;
}

.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.2rem;
    margin-top: 1rem;
}

.group-table caption {
    text-align: left;
    font-weight: 600;
    padding-bottom: 0.3rem;
    color: #9fb3c8;
}

.knockout-table {
    margin-bottom: 1rem;
}

.knockout-table .score {
    text-align: center;
    font-weight: 600;
    white-space: nowrap;
}