#pairings-container {
    display: grid;
    grid-template-columns: repeat(var(--columns), 1fr);
    gap: 5px;
}

.card {
    cursor: default;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}





/* More dark mode styles */
.dark-mode,
.dark-mode body {
    background-color: #121212 !important;
    color: #e5e5e5;
}

.dark-mode a,
.dark-mode .nav-link,
.dark-mode .card-title,
.dark-mode .card-text,
.dark-mode label,
.dark-mode h1,
.dark-mode h2,
.dark-mode h3,
.dark-mode h4,
.dark-mode h5,
.dark-mode p {
    color: #e5e5e5 !important;
}

.dark-mode .navbar,
.dark-mode .bg-dark {
    background-color: #0f0f0f !important;
}

.dark-mode .bg-light,
.dark-mode .card,
.dark-mode .accordion-body,
.dark-mode .modal-content {
    background-color: #1e1e1e !important;
    color: #e5e5e5;
    border-color: #2d2d2d;
}

.dark-mode .card,
.dark-mode .accordion-item,
.dark-mode .modal-content {
    border: 1px solid #2d2d2d;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.dark-mode .text-dark {
    color: #e5e5e5 !important;
}

.dark-mode .border,
.dark-mode .table th,
.dark-mode .table td,
.dark-mode .modal-header,
.dark-mode .modal-footer {
    border-color: #2d2d2d !important;
}

.dark-mode .form-control,
.dark-mode select,
.dark-mode textarea,
.dark-mode input {
    background-color: #2a2a2a;
    color: #e5e5e5;
    border-color: #3a3a3a;
}

.dark-mode .form-control:focus,
.dark-mode select:focus,
.dark-mode textarea:focus,
.dark-mode input:focus {
    background-color: #2f2f2f;
    color: #ffffff;
    border-color: #5a5a5a;
    box-shadow: 0 0 0 0.2rem rgba(100, 149, 237, 0.25);
}

.dark-mode .btn-primary {
    background-color: #2563eb;
    border-color: #1d4ed8;
}

.dark-mode .btn-primary:hover {
    background-color: #1d4ed8;
    border-color: #1e40af;
}

.dark-mode .btn-secondary {
    background-color: #374151;
    border-color: #4b5563;
}

.dark-mode .btn-secondary:hover {
    background-color: #4b5563;
    border-color: #6b7280;
}

.dark-mode .btn-info {
    background-color: #0ea5e9;
    border-color: #0284c7;
    color: #0a0a0a;
}

.dark-mode .btn-warning {
    background-color: #f59e0b;
    border-color: #d97706;
    color: #0a0a0a;
}

.dark-mode .btn-success {
    background-color: #22c55e;
    border-color: #16a34a;
}

.dark-mode .alert {
    background-color: #1e293b;
    color: #e5e5e5;
    border-color: #334155;
}

.dark-mode .table {
    background-color: #111827;
    color: #e5e5e5;
}

.dark-mode .modal-header,
.dark-mode .modal-footer {
    background-color: #1e1e1e;
}

.dark-mode #pairings-container .card {
    background-color: #1e293b;
}

.dark-mode .badge {
    color: #0a0a0a;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .navbar-nav {
        flex-direction: column;
        align-items: flex-start;
    }
    .navbar-nav .nav-item {
        margin-bottom: 0.5rem;
    }
    #pairings-container {
        grid-template-columns: 1fr !important;
    }
    .card {
        font-size: 0.9em;
    }
    .btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.9em;
    }
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .hero {
        padding: 2rem 1rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
}

@media print {
    body {
        font-size: 12px;
        margin: 0;
        padding: 0;
    }
    nav, footer, button, #round-title, #selected-count, .form-label, select, .form-check {
        display: none !important;
    }
    .mb-3 {
        margin-bottom: 0 !important;
    }
    #pairings-container {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 2px !important;
    }
    .card {
        margin: 0 !important;
        padding: 4px !important;
        font-size: 10px !important;
        page-break-inside: avoid;
    }
    h1 {
        font-size: 18px;
        margin: 10px 0;
    }
}

@media print and (orientation: portrait) {
    #pairings-container {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media print and (orientation: landscape) {
    #pairings-container {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}