.team-registration-form {
    background-color: #f7f9fb;
    padding: 2rem 0;
}

.team-registration-form h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 600;
}

.team-registration-form .card {
    border-radius: 12px;
    border: none;
    background-color: #fff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.team-registration-form .card.has-error {
    border: 2px solid #dc3545 !important;
    box-shadow: 0 0 6px rgba(220, 53, 69, 0.25);
}

.team-registration-form .card-error {
    color: #dc3545;
    font-size: 0.9rem;
    font-weight: 500;
    border-top: 1px solid #f5c2c7;
    padding-top: 0.4rem;
}

.team-registration-form .card-title {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.team-registration-form .form-check {
    margin-bottom: 0.4rem;
}

.team-registration-form .form-label {
    font-weight: 500;
}

.team-registration-form .invalid-feedback {
    font-size: 0.875rem;
}

.team-registration-form .btn-primary {
    background-color: #6200ee;
    border: none;
    border-radius: 6px;
    transition: all 0.2s ease-in-out;
}

.team-registration-form .btn-primary:hover {
    background-color: #4b00b8;
}

.team-registration-form .btn-outline-primary {
    border-color: #6200ee;
    color: #6200ee;
}

.team-registration-form .btn-outline-primary:hover {
    background-color: #6200ee;
    color: #fff;
}

.team-registration-form .btn-outline-danger {
    border-color: #dc3545;
    color: #dc3545;
}

.team-registration-form .btn-outline-danger:hover {
    background-color: #dc3545;
    color: #fff;
}

.team-registration-form .participant-item {
    transition: background-color 0.25s ease, transform 0.2s ease;
}
.team-registration-form .participant-item:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

.team-registration-form .participant-item input {
    background-color: #fff;
}

.team-registration-form .btn-outline-danger.btn-sm {
    padding: 0.35rem 0.5rem;
    font-size: 0.875rem;
}

.team-registration-form .btn-outline-primary i {
    margin-right: 0.3rem;
}

.team-registration-form .participant-item.added {
    background-color: #e9f5ff;
    transform: scale(1.02);
}