body {
    background:
        linear-gradient(
            135deg,
            #020617,
            #0f172a,
            #111827
        );

    color: white;
    font-family: Arial, sans-serif;
    min-height: 100vh;
}

.main-card {

    background: rgba(15, 23, 42, 0.95);

    border: 2px solid #1d4ed8;

    border-radius: 20px;

    padding: 40px;

    box-shadow:
        0 0 25px rgba(37, 99, 235, 0.4);
}

.title {

    color: #60a5fa;

    font-size: 42px;

    font-weight: bold;

    letter-spacing: 2px;
}

.subtitle {

    color: #cbd5e1;

    font-size: 18px;
}

.form-control,
.form-select {

    background: #111827;

    border: 1px solid #334155;

    color: white;
}

.form-control:focus,
.form-select:focus {

    background: #1e293b;

    color: white;

    border-color: #3b82f6;

    box-shadow:
        0 0 10px rgba(59,130,246,.5);
}

.table {

    border-color: #334155;
}

.table thead {

    background: #1e3a8a;
}

.modalidades-cell {

    min-width: 500px;
}

.form-check {

    margin-bottom: 8px;
}

.btn-add {

    background: #2563eb;

    color: white;

    font-weight: bold;

    border: none;

    padding: 12px 24px;
}

.btn-add:hover {

    background: #1d4ed8;
}

.btn-save {

    background: #059669;

    color: white;

    font-weight: bold;

    border: none;

    padding: 12px 24px;
}

.btn-save:hover {

    background: #047857;
}

.table-responsive {

    overflow-x: auto;
}

.logo-torneo {

    max-width: 100px;

    margin-bottom: 10px;
}

.disclaimer-box {

    background:
        rgba(2, 6, 23, 0.85);

    border:
        1px solid #1e40af;

    border-left:
        5px solid #3b82f6;

    border-radius: 15px;

    padding: 25px;

    margin-bottom: 35px;

    color: #cbd5e1;

    line-height: 1.7;
}

.disclaimer-box h5 {

    color: #60a5fa;

    font-weight: bold;
}