.header-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.header-section p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 0;
}

.form-section {
    padding: 0.8rem 2rem;
}

.section-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 0.8rem;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.section-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}

.section-title {
    color: #ab0a3d;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    color: #667eea;
    font-size: 1.6rem;
}

.form-control,
.form-select {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.btn-outline-secondary {
    border-radius: 10px;
    border: 2px solid #6c757d;
    font-weight: 600;
}

.integrante-card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.integrante-number {
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--primary-gradient);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
}

.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.file-upload-area.dragover {
    border-color: #667eea;
    background: #f0f4ff;
}

.terms-section {
    background: #e3f2fd;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.alert {
    border-radius: 10px;
    border: none;
}

@media (max-width: 768px) {
    .header-section {
        padding: 2rem 1rem;
    }

    .header-section h1 {
        font-size: 2rem;
    }

    .form-section {
        padding: 2rem 1rem;
    }

    .section-card {
        padding: 1.5rem;
    }
}
.participantes-list {
    margin-top: 20px;
}
.participantes-empty {
    text-align: center;
    color: #6c757d;
    font-style: italic;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
}
.participante-item {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin-bottom: 10px;
    padding: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}
.participante-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}
.participante-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
.participante-numero {
    background: #3D3935;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}
.participante-info {
    flex: 1;
    margin-left: 15px;
}
.participante-nombre {
    font-weight: 600;
    color: #495057;
    margin-bottom: 2px;
}
.participante-edad {
    color: #6c757d;
    font-size: 14px;
}
.participante-actions {
    margin-left: 10px;
}
.btn-delete {
    padding: 6px 10px;
    font-size: 12px;
}
.max-participants-warning {
    background-color: #fff3cd;
    border: 1px solid #ffecb5;
    color: #856404;
    padding: 12px;
    border-radius: 5px;
    margin-top: 15px;
}
.list-header {
    background: #f8f9fa;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid #B68400;
}
@media (max-width: 576px) {
    .participante-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .participante-info {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
    }
    .participante-actions {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
    }
}