body {
    background: #0f172a; /* dark slate */
    color: #e5e7eb;
}

.hero-card {
    background: linear-gradient(135deg, #1d4ed8, #0f172a);
    border-radius: 1.5rem;
}

.ticket-grid .ticket {
    width: 48px;
    height: 48px;
    border-radius: .5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 4px;
    font-weight: 600;
}

.ticket-free {
    background: #f9fafb;
    color: #111827;
}

.ticket-taken {
    background: #fee2e2;
    color: #991b1b;
}

.ticket-mine {
    background: #bbf7d0;
    color: #14532d;
    box-shadow: 0 0 0 3px #22c55e55;
}